[python-pdal] 01/09: Imported Upstream version 1.4.0+ds

Bas Couwenberg sebastic at debian.org
Thu Dec 15 21:35:30 UTC 2016


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sebastic pushed a commit to branch master
in repository python-pdal.

commit dcc6b97070a5272660ff244259fefa0163607d93
Author: Bas Couwenberg <sebastic at xs4all.nl>
Date:   Thu Dec 15 20:40:50 2016 +0100

    Imported Upstream version 1.4.0+ds
---
 PKG-INFO               |   43 +-
 README.rst             |   41 +-
 VERSION.txt            |    2 +-
 pdal/Pipeline.cpp      |   59 -
 pdal/Pipeline.hpp      |   39 -
 pdal/PyPipeline.cpp    |  101 +
 pdal/PyPipeline.hpp    |  102 +
 pdal/__init__.py       |    4 +-
 pdal/libpdalpython.cpp | 6376 +++++++++++++++++++++++++++++++-----------------
 pdal/libpdalpython.pyx |   74 +-
 pdal/pipeline.py       |   46 +
 pdal/pipeline_xml.py   |   62 -
 setup.py               |   20 +-
 test/__init__.py       |    2 -
 test/test_libpdal.py   |   74 -
 test/test_pipeline.py  |  152 +-
 16 files changed, 4655 insertions(+), 2542 deletions(-)

diff --git a/PKG-INFO b/PKG-INFO
index 34a9308..13344a6 100644
--- a/PKG-INFO
+++ b/PKG-INFO
@@ -1,6 +1,6 @@
 Metadata-Version: 1.1
 Name: PDAL
-Version: 1.3.0
+Version: 1.4.0
 Summary: Point cloud data processing
 Home-page: http://pdal.io
 Author: Howard Butler
@@ -10,11 +10,48 @@ Description: ===================================================================
         PDAL
         ================================================================================
         
+        The PDAL Python extension allows you to process data with PDAL into `Numpy`_
+        arrays. Additionally, you can use it to fetch `schema`_ and `metadata`_ from
+        PDAL operations.
+        
+        Usage
+        --------------------------------------------------------------------------------
+        
+        Given the following pipeline, which simply reads an `ASPRS LAS`_ file and
+        sorts it by the ``X`` dimension:
+        
+        .. code-block:: python
+        
+        
+            json = """
+            {
+              "pipeline": [
+                "1.2-with-color.las",
+                {
+                    "type": "filters.sort",
+                    "dimension": "X"
+                }
+              ]
+            }"""
+        
+            import pdal
+            pipeline = pdal.Pipeline(pipeline)
+            pipeline.validate() # check if our JSON and options were good
+            pipeline.loglevel = 9 #really noisy
+            count = pipeline.execute()
+            arrays = pipeline.arrays
+            metadata = pipeline.metadata
+            log = pipeline.log
+        
+        
+        .. _`Numpy`: http://www.numpy.org/
+        .. _`schema`: http://www.pdal.io/dimensions.html
+        .. _`metadata`: http://www.pdal.io/development/metadata.html
+        
         Requirements
         ================================================================================
         
-        PDAL 1.0+ requires
-        
+        * PDAL 1.4+
         * Python >=2.7 (including Python 3.x)
         
         
diff --git a/README.rst b/README.rst
index 3ce1d14..84c6d63 100644
--- a/README.rst
+++ b/README.rst
@@ -2,10 +2,47 @@
 PDAL
 ================================================================================
 
+The PDAL Python extension allows you to process data with PDAL into `Numpy`_
+arrays. Additionally, you can use it to fetch `schema`_ and `metadata`_ from
+PDAL operations.
+
+Usage
+--------------------------------------------------------------------------------
+
+Given the following pipeline, which simply reads an `ASPRS LAS`_ file and
+sorts it by the ``X`` dimension:
+
+.. code-block:: python
+
+
+    json = """
+    {
+      "pipeline": [
+        "1.2-with-color.las",
+        {
+            "type": "filters.sort",
+            "dimension": "X"
+        }
+      ]
+    }"""
+
+    import pdal
+    pipeline = pdal.Pipeline(pipeline)
+    pipeline.validate() # check if our JSON and options were good
+    pipeline.loglevel = 9 #really noisy
+    count = pipeline.execute()
+    arrays = pipeline.arrays
+    metadata = pipeline.metadata
+    log = pipeline.log
+
+
+.. _`Numpy`: http://www.numpy.org/
+.. _`schema`: http://www.pdal.io/dimensions.html
+.. _`metadata`: http://www.pdal.io/development/metadata.html
+
 Requirements
 ================================================================================
 
-PDAL 1.0+ requires
-
+* PDAL 1.4+
 * Python >=2.7 (including Python 3.x)
 
diff --git a/VERSION.txt b/VERSION.txt
index 589268e..e21e727 100644
--- a/VERSION.txt
+++ b/VERSION.txt
@@ -1 +1 @@
-1.3.0
\ No newline at end of file
+1.4.0
\ No newline at end of file
diff --git a/pdal/Pipeline.cpp b/pdal/Pipeline.cpp
deleted file mode 100644
index b18e6ee..0000000
--- a/pdal/Pipeline.cpp
+++ /dev/null
@@ -1,59 +0,0 @@
-#include "Pipeline.hpp"
-#ifdef PDAL_HAVE_LIBXML2
-#include <pdal/XMLSchema.hpp>
-#endif
-
-#include <pdal/plang/Array.hpp>
-
-
-namespace libpdalpython
-{
-
-Pipeline::Pipeline(std::string const& json)
-    : m_json(json)
-    , m_schema("")
-    , m_manager(-1)
-{
-    auto initNumpy = []()
-    {
-#undef NUMPY_IMPORT_ARRAY_RETVAL
-#define NUMPY_IMPORT_ARRAY_RETVAL
-        import_array();
-    };
-    initNumpy();
-}
-
-void Pipeline::execute()
-{
-    std::stringstream strm;
-    strm << m_json;
-    m_manager.readPipeline(strm);
-    m_manager.execute();
-#ifdef PDAL_HAVE_LIBXML2
-    pdal::XMLSchema schema(m_manager.pointTable().layout());
-    m_schema = schema.xml();
-#endif
-
-    strm.str("");
-    pdal::PipelineWriter::writePipeline(m_manager.getStage(), strm);
-
-    m_json = strm.str();
-
-}
-
-std::vector<PArray> Pipeline::getArrays() const
-{
-    std::vector<PArray> output;
-    const pdal::PointViewSet& pvset = m_manager.views();
-
-
-    for (auto i: pvset)
-    {
-        PArray array = new pdal::plang::Array;
-        array->update(i);
-        output.push_back(array);
-    }
-    return output;
-}
-} //namespace libpdalpython
-
diff --git a/pdal/Pipeline.hpp b/pdal/Pipeline.hpp
deleted file mode 100644
index f832ad1..0000000
--- a/pdal/Pipeline.hpp
+++ /dev/null
@@ -1,39 +0,0 @@
-#include <pdal/PipelineManager.hpp>
-#include <pdal/PipelineWriter.hpp>
-#include <pdal/util/FileUtils.hpp>
-#include <pdal/plang/Array.hpp>
-
-#include <string>
-#include <Python.h>
-#undef toupper
-#undef tolower
-#undef isspace
-
-#define PY_ARRAY_UNIQUE_SYMBOL LIBPDALPYTHON_ARRAY_API
-#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION
-
-#include <numpy/arrayobject.h>
-
-
-namespace libpdalpython
-{
-//     typedef std::shared_ptr<pdal::plang::Array> PArray;
-    typedef pdal::plang::Array* PArray;
-class Pipeline {
-public:
-    Pipeline(std::string const& xml);
-    ~Pipeline(){};
-
-    void execute();
-    inline const char* getJSON() const { return m_json.c_str(); }
-    inline const char* getSchema() const { return m_schema.c_str(); }
-    std::vector<PArray> getArrays() const;
-
-private:
-    std::string m_json;
-    std::string m_schema;
-    pdal::PipelineManager m_manager; // no progress reporting
-
-};
-
-}
diff --git a/pdal/PyPipeline.cpp b/pdal/PyPipeline.cpp
new file mode 100644
index 0000000..63f1f17
--- /dev/null
+++ b/pdal/PyPipeline.cpp
@@ -0,0 +1,101 @@
+/******************************************************************************
+* Copyright (c) 2016, Howard Butler (howard at hobu.co)
+*
+* All rights reserved.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following
+* conditions are met:
+*
+*     * Redistributions of source code must retain the above copyright
+*       notice, this list of conditions and the following disclaimer.
+*     * Redistributions in binary form must reproduce the above copyright
+*       notice, this list of conditions and the following disclaimer in
+*       the documentation and/or other materials provided
+*       with the distribution.
+*     * Neither the name of Hobu, Inc. or Flaxen Geo Consulting nor the
+*       names of its contributors may be used to endorse or promote
+*       products derived from this software without specific prior
+*       written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+* OF SUCH DAMAGE.
+****************************************************************************/
+
+#include "PyPipeline.hpp"
+#ifdef PDAL_HAVE_LIBXML2
+#include <pdal/XMLSchema.hpp>
+#endif
+
+
+namespace libpdalpython
+{
+
+Pipeline::Pipeline(std::string const& json)
+    : m_executor(json)
+{
+    auto initNumpy = []()
+    {
+#undef NUMPY_IMPORT_ARRAY_RETVAL
+#define NUMPY_IMPORT_ARRAY_RETVAL
+        import_array();
+    };
+
+    initNumpy();
+}
+
+Pipeline::~Pipeline()
+{
+}
+
+void Pipeline::setLogLevel(int level)
+{
+    m_executor.setLogLevel(level);
+}
+
+int Pipeline::getLogLevel() const
+{
+    return static_cast<int>(m_executor.getLogLevel());
+}
+
+int64_t Pipeline::execute()
+{
+
+    int64_t count = m_executor.execute();
+    return count;
+}
+
+bool Pipeline::validate()
+{
+    return m_executor.validate();
+}
+
+std::vector<PArray> Pipeline::getArrays() const
+{
+    std::vector<PArray> output;
+
+    if (!m_executor.executed())
+        throw python_error("call execute() before fetching arrays");
+
+    const pdal::PointViewSet& pvset = m_executor.getManagerConst().views();
+
+    for (auto i: pvset)
+    {
+        PArray array = new pdal::plang::Array;
+        array->update(i);
+        output.push_back(array);
+    }
+    return output;
+}
+} //namespace libpdalpython
+
diff --git a/pdal/PyPipeline.hpp b/pdal/PyPipeline.hpp
new file mode 100644
index 0000000..e356f7e
--- /dev/null
+++ b/pdal/PyPipeline.hpp
@@ -0,0 +1,102 @@
+/******************************************************************************
+* Copyright (c) 2016, Howard Butler (howard at hobu.co)
+*
+* All rights reserved.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following
+* conditions are met:
+*
+*     * Redistributions of source code must retain the above copyright
+*       notice, this list of conditions and the following disclaimer.
+*     * Redistributions in binary form must reproduce the above copyright
+*       notice, this list of conditions and the following disclaimer in
+*       the documentation and/or other materials provided
+*       with the distribution.
+*     * Neither the name of Hobu, Inc. or Flaxen Geo Consulting nor the
+*       names of its contributors may be used to endorse or promote
+*       products derived from this software without specific prior
+*       written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+* OF SUCH DAMAGE.
+****************************************************************************/
+
+#pragma once
+
+#include <pdal/PipelineManager.hpp>
+#include <pdal/PipelineWriter.hpp>
+#include <pdal/util/FileUtils.hpp>
+#include <pdal/plang/Array.hpp>
+#include <pdal/PipelineExecutor.hpp>
+
+#include <string>
+#include <sstream>
+#undef toupper
+#undef tolower
+#undef isspace
+
+#define PY_ARRAY_UNIQUE_SYMBOL LIBPDALPYTHON_ARRAY_API
+#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION
+
+#include <numpy/arrayobject.h>
+
+
+namespace libpdalpython
+{
+
+class python_error : public std::runtime_error
+{
+public:
+    inline python_error(std::string const& msg) : std::runtime_error(msg)
+        {}
+};
+
+    typedef pdal::plang::Array* PArray;
+
+class Pipeline {
+public:
+    Pipeline(std::string const& xml);
+    ~Pipeline();
+
+    int64_t execute();
+    bool validate();
+    inline std::string getPipeline() const
+    {
+        return m_executor.getPipeline();
+    }
+    inline std::string getMetadata() const
+    {
+        return m_executor.getMetadata();
+    }
+    inline std::string getSchema() const
+    {
+        return m_executor.getSchema();
+    }
+    inline std::string getLog() const
+    {
+        return m_executor.getLog();
+    }
+    std::vector<PArray> getArrays() const;
+
+
+    void setLogLevel(int level);
+    int getLogLevel() const;
+
+private:
+
+    pdal::PipelineExecutor m_executor;
+
+};
+
+}
diff --git a/pdal/__init__.py b/pdal/__init__.py
index 29739b3..0ebc296 100644
--- a/pdal/__init__.py
+++ b/pdal/__init__.py
@@ -1 +1,3 @@
-__version__='1.3.0'
+__version__='1.4.0'
+
+from .pipeline import Pipeline
diff --git a/pdal/libpdalpython.cpp b/pdal/libpdalpython.cpp
index ed7b276..e73e7e6 100644
--- a/pdal/libpdalpython.cpp
+++ b/pdal/libpdalpython.cpp
@@ -1,4 +1,4 @@
-/* Generated by Cython 0.24.1 */
+/* Generated by Cython 0.25.1 */
 
 /* BEGIN: Cython Metadata
 {
@@ -7,14 +7,14 @@
             "/Users/hobu/pdal-build/include/pdal/plang/Array.hpp",
             "/usr/local/lib/python3.5/site-packages/numpy/core/include/numpy/arrayobject.h",
             "/usr/local/lib/python3.5/site-packages/numpy/core/include/numpy/ufuncobject.h",
-            "pdal/Pipeline.hpp"
+            "pdal/PyPipeline.hpp"
         ],
         "extra_compile_args": [
             "-std=c++11"
         ],
         "include_dirs": [
             "/Users/hobu/pdal-build/include",
-            "/usr/local/Cellar/gdal/1.11.3_1/include",
+            "/usr/local/Cellar/gdal/1.11.5_1/include",
             "/usr/local/Cellar/libxml2/2.9.4/include/libxml2",
             "/usr/local/include",
             "/usr/local/include",
@@ -40,7 +40,7 @@ END: Cython Metadata */
 #elif PY_VERSION_HEX < 0x02060000 || (0x03000000 <= PY_VERSION_HEX && PY_VERSION_HEX < 0x03020000)
     #error Cython requires Python 2.6+ or Python 3.2+.
 #else
-#define CYTHON_ABI "0_24_1"
+#define CYTHON_ABI "0_25_1"
 #include <stddef.h>
 #ifndef offsetof
   #define offsetof(type, member) ( (size_t) & ((type*)0) -> member )
@@ -62,6 +62,11 @@ END: Cython Metadata */
 #ifndef DL_EXPORT
   #define DL_EXPORT(t) t
 #endif
+#ifndef HAVE_LONG_LONG
+  #if PY_VERSION_HEX >= 0x03030000 || (PY_MAJOR_VERSION == 2 && PY_VERSION_HEX >= 0x02070000)
+    #define HAVE_LONG_LONG
+  #endif
+#endif
 #ifndef PY_LONG_LONG
   #define PY_LONG_LONG LONG_LONG
 #endif
@@ -70,13 +75,110 @@ END: Cython Metadata */
 #endif
 #ifdef PYPY_VERSION
   #define CYTHON_COMPILING_IN_PYPY 1
+  #define CYTHON_COMPILING_IN_PYSTON 0
+  #define CYTHON_COMPILING_IN_CPYTHON 0
+  #undef CYTHON_USE_TYPE_SLOTS
+  #define CYTHON_USE_TYPE_SLOTS 0
+  #undef CYTHON_USE_ASYNC_SLOTS
+  #define CYTHON_USE_ASYNC_SLOTS 0
+  #undef CYTHON_USE_PYLIST_INTERNALS
+  #define CYTHON_USE_PYLIST_INTERNALS 0
+  #undef CYTHON_USE_UNICODE_INTERNALS
+  #define CYTHON_USE_UNICODE_INTERNALS 0
+  #undef CYTHON_USE_UNICODE_WRITER
+  #define CYTHON_USE_UNICODE_WRITER 0
+  #undef CYTHON_USE_PYLONG_INTERNALS
+  #define CYTHON_USE_PYLONG_INTERNALS 0
+  #undef CYTHON_AVOID_BORROWED_REFS
+  #define CYTHON_AVOID_BORROWED_REFS 1
+  #undef CYTHON_ASSUME_SAFE_MACROS
+  #define CYTHON_ASSUME_SAFE_MACROS 0
+  #undef CYTHON_UNPACK_METHODS
+  #define CYTHON_UNPACK_METHODS 0
+  #undef CYTHON_FAST_THREAD_STATE
+  #define CYTHON_FAST_THREAD_STATE 0
+  #undef CYTHON_FAST_PYCALL
+  #define CYTHON_FAST_PYCALL 0
+#elif defined(PYSTON_VERSION)
+  #define CYTHON_COMPILING_IN_PYPY 0
+  #define CYTHON_COMPILING_IN_PYSTON 1
   #define CYTHON_COMPILING_IN_CPYTHON 0
+  #ifndef CYTHON_USE_TYPE_SLOTS
+    #define CYTHON_USE_TYPE_SLOTS 1
+  #endif
+  #undef CYTHON_USE_ASYNC_SLOTS
+  #define CYTHON_USE_ASYNC_SLOTS 0
+  #undef CYTHON_USE_PYLIST_INTERNALS
+  #define CYTHON_USE_PYLIST_INTERNALS 0
+  #ifndef CYTHON_USE_UNICODE_INTERNALS
+    #define CYTHON_USE_UNICODE_INTERNALS 1
+  #endif
+  #undef CYTHON_USE_UNICODE_WRITER
+  #define CYTHON_USE_UNICODE_WRITER 0
+  #undef CYTHON_USE_PYLONG_INTERNALS
+  #define CYTHON_USE_PYLONG_INTERNALS 0
+  #ifndef CYTHON_AVOID_BORROWED_REFS
+    #define CYTHON_AVOID_BORROWED_REFS 0
+  #endif
+  #ifndef CYTHON_ASSUME_SAFE_MACROS
+    #define CYTHON_ASSUME_SAFE_MACROS 1
+  #endif
+  #ifndef CYTHON_UNPACK_METHODS
+    #define CYTHON_UNPACK_METHODS 1
+  #endif
+  #undef CYTHON_FAST_THREAD_STATE
+  #define CYTHON_FAST_THREAD_STATE 0
+  #undef CYTHON_FAST_PYCALL
+  #define CYTHON_FAST_PYCALL 0
 #else
   #define CYTHON_COMPILING_IN_PYPY 0
+  #define CYTHON_COMPILING_IN_PYSTON 0
   #define CYTHON_COMPILING_IN_CPYTHON 1
+  #ifndef CYTHON_USE_TYPE_SLOTS
+    #define CYTHON_USE_TYPE_SLOTS 1
+  #endif
+  #if PY_MAJOR_VERSION < 3
+    #undef CYTHON_USE_ASYNC_SLOTS
+    #define CYTHON_USE_ASYNC_SLOTS 0
+  #elif !defined(CYTHON_USE_ASYNC_SLOTS)
+    #define CYTHON_USE_ASYNC_SLOTS 1
+  #endif
+  #if PY_VERSION_HEX < 0x02070000
+    #undef CYTHON_USE_PYLONG_INTERNALS
+    #define CYTHON_USE_PYLONG_INTERNALS 0
+  #elif !defined(CYTHON_USE_PYLONG_INTERNALS)
+    #define CYTHON_USE_PYLONG_INTERNALS 1
+  #endif
+  #ifndef CYTHON_USE_PYLIST_INTERNALS
+    #define CYTHON_USE_PYLIST_INTERNALS 1
+  #endif
+  #ifndef CYTHON_USE_UNICODE_INTERNALS
+    #define CYTHON_USE_UNICODE_INTERNALS 1
+  #endif
+  #if PY_VERSION_HEX < 0x030300F0
+    #undef CYTHON_USE_UNICODE_WRITER
+    #define CYTHON_USE_UNICODE_WRITER 0
+  #elif !defined(CYTHON_USE_UNICODE_WRITER)
+    #define CYTHON_USE_UNICODE_WRITER 1
+  #endif
+  #ifndef CYTHON_AVOID_BORROWED_REFS
+    #define CYTHON_AVOID_BORROWED_REFS 0
+  #endif
+  #ifndef CYTHON_ASSUME_SAFE_MACROS
+    #define CYTHON_ASSUME_SAFE_MACROS 1
+  #endif
+  #ifndef CYTHON_UNPACK_METHODS
+    #define CYTHON_UNPACK_METHODS 1
+  #endif
+  #ifndef CYTHON_FAST_THREAD_STATE
+    #define CYTHON_FAST_THREAD_STATE 1
+  #endif
+  #ifndef CYTHON_FAST_PYCALL
+    #define CYTHON_FAST_PYCALL 1
+  #endif
 #endif
-#if !defined(CYTHON_USE_PYLONG_INTERNALS) && CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x02070000
-  #define CYTHON_USE_PYLONG_INTERNALS 1
+#if !defined(CYTHON_FAST_PYCCALL)
+#define CYTHON_FAST_PYCCALL  (CYTHON_FAST_PYCALL && PY_VERSION_HEX >= 0x030600B1)
 #endif
 #if CYTHON_USE_PYLONG_INTERNALS
   #include "longintrepr.h"
@@ -112,24 +214,44 @@ END: Cython Metadata */
 #ifndef Py_TPFLAGS_HAVE_FINALIZE
   #define Py_TPFLAGS_HAVE_FINALIZE 0
 #endif
+#ifndef METH_FASTCALL
+  #define METH_FASTCALL 0x80
+  typedef PyObject *(*__Pyx_PyCFunctionFast) (PyObject *self, PyObject **args,
+                                              Py_ssize_t nargs, PyObject *kwnames);
+#else
+  #define __Pyx_PyCFunctionFast _PyCFunctionFast
+#endif
+#if CYTHON_FAST_PYCCALL
+#define __Pyx_PyFastCFunction_Check(func)\
+    ((PyCFunction_Check(func) && METH_FASTCALL == PyCFunction_GET_FLAGS(func) & ~(METH_CLASS | METH_STATIC | METH_COEXIST)))
+#else
+#define __Pyx_PyFastCFunction_Check(func) 0
+#endif
 #if PY_VERSION_HEX > 0x03030000 && defined(PyUnicode_KIND)
   #define CYTHON_PEP393_ENABLED 1
   #define __Pyx_PyUnicode_READY(op)       (likely(PyUnicode_IS_READY(op)) ?\
                                               0 : _PyUnicode_Ready((PyObject *)(op)))
   #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_LENGTH(u)
   #define __Pyx_PyUnicode_READ_CHAR(u, i) PyUnicode_READ_CHAR(u, i)
+  #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u)   PyUnicode_MAX_CHAR_VALUE(u)
   #define __Pyx_PyUnicode_KIND(u)         PyUnicode_KIND(u)
   #define __Pyx_PyUnicode_DATA(u)         PyUnicode_DATA(u)
   #define __Pyx_PyUnicode_READ(k, d, i)   PyUnicode_READ(k, d, i)
+  #define __Pyx_PyUnicode_WRITE(k, d, i, ch)  PyUnicode_WRITE(k, d, i, ch)
   #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != (likely(PyUnicode_IS_READY(u)) ? PyUnicode_GET_LENGTH(u) : PyUnicode_GET_SIZE(u)))
 #else
   #define CYTHON_PEP393_ENABLED 0
+  #define PyUnicode_1BYTE_KIND  1
+  #define PyUnicode_2BYTE_KIND  2
+  #define PyUnicode_4BYTE_KIND  4
   #define __Pyx_PyUnicode_READY(op)       (0)
   #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_SIZE(u)
   #define __Pyx_PyUnicode_READ_CHAR(u, i) ((Py_UCS4)(PyUnicode_AS_UNICODE(u)[i]))
+  #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u)   ((sizeof(Py_UNICODE) == 2) ? 65535 : 1114111)
   #define __Pyx_PyUnicode_KIND(u)         (sizeof(Py_UNICODE))
   #define __Pyx_PyUnicode_DATA(u)         ((void*)PyUnicode_AS_UNICODE(u))
   #define __Pyx_PyUnicode_READ(k, d, i)   ((void)(k), (Py_UCS4)(((Py_UNICODE*)d)[i]))
+  #define __Pyx_PyUnicode_WRITE(k, d, i, ch)  (((void)(k)), ((Py_UNICODE*)d)[i] = ch)
   #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != PyUnicode_GET_SIZE(u))
 #endif
 #if CYTHON_COMPILING_IN_PYPY
@@ -154,6 +276,13 @@ END: Cython Metadata */
   #define PyObject_Free(p)     PyMem_Free(p)
   #define PyObject_Realloc(p)  PyMem_Realloc(p)
 #endif
+#if CYTHON_COMPILING_IN_PYSTON
+  #define __Pyx_PyCode_HasFreeVars(co)  PyCode_HasFreeVars(co)
+  #define __Pyx_PyFrame_SetLineNumber(frame, lineno) PyFrame_SetLineNumber(frame, lineno)
+#else
+  #define __Pyx_PyCode_HasFreeVars(co)  (PyCode_GetNumFree(co) > 0)
+  #define __Pyx_PyFrame_SetLineNumber(frame, lineno)  (frame)->f_lineno = (lineno)
+#endif
 #define __Pyx_PyString_FormatSafe(a, b)   ((unlikely((a) == Py_None)) ? PyNumber_Remainder(a, b) : __Pyx_PyString_Format(a, b))
 #define __Pyx_PyUnicode_FormatSafe(a, b)  ((unlikely((a) == Py_None)) ? PyNumber_Remainder(a, b) : PyUnicode_Format(a, b))
 #if PY_MAJOR_VERSION >= 3
@@ -182,6 +311,7 @@ END: Cython Metadata */
   #define PySet_CheckExact(obj)        (Py_TYPE(obj) == &PySet_Type)
 #endif
 #define __Pyx_TypeCheck(obj, type) PyObject_TypeCheck(obj, (PyTypeObject *)type)
+#define __Pyx_PyException_Check(obj) __Pyx_TypeCheck(obj, PyExc_Exception)
 #if PY_MAJOR_VERSION >= 3
   #define PyIntObject                  PyLongObject
   #define PyInt_Type                   PyLong_Type
@@ -220,18 +350,20 @@ END: Cython Metadata */
 #else
   #define __Pyx_PyMethod_New(func, self, klass) PyMethod_New(func, self, klass)
 #endif
-#if PY_VERSION_HEX >= 0x030500B1
-#define __Pyx_PyAsyncMethodsStruct PyAsyncMethods
-#define __Pyx_PyType_AsAsync(obj) (Py_TYPE(obj)->tp_as_async)
-#elif CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
-typedef struct {
-    unaryfunc am_await;
-    unaryfunc am_aiter;
-    unaryfunc am_anext;
-} __Pyx_PyAsyncMethodsStruct;
-#define __Pyx_PyType_AsAsync(obj) ((__Pyx_PyAsyncMethodsStruct*) (Py_TYPE(obj)->tp_reserved))
+#if CYTHON_USE_ASYNC_SLOTS
+  #if PY_VERSION_HEX >= 0x030500B1
+    #define __Pyx_PyAsyncMethodsStruct PyAsyncMethods
+    #define __Pyx_PyType_AsAsync(obj) (Py_TYPE(obj)->tp_as_async)
+  #else
+    typedef struct {
+        unaryfunc am_await;
+        unaryfunc am_aiter;
+        unaryfunc am_anext;
+    } __Pyx_PyAsyncMethodsStruct;
+    #define __Pyx_PyType_AsAsync(obj) ((__Pyx_PyAsyncMethodsStruct*) (Py_TYPE(obj)->tp_reserved))
+  #endif
 #else
-#define __Pyx_PyType_AsAsync(obj) NULL
+  #define __Pyx_PyType_AsAsync(obj) NULL
 #endif
 #ifndef CYTHON_RESTRICT
   #if defined(__GNUC__)
@@ -263,6 +395,8 @@ class __Pyx_FakeReference {
     __Pyx_FakeReference(const T& ref) : ptr(const_cast<T*>(&ref)) { }
     T *operator->() { return ptr; }
     operator T&() { return *ptr; }
+    template<typename U> bool operator ==(U other) { return *ptr == other; };
+    template<typename U> bool operator !=(U other) { return *ptr != other; };
   private:
     T *ptr;
 };
@@ -315,14 +449,15 @@ static CYTHON_INLINE float __PYX_NAN() {
 #include "new"
 #include "stdexcept"
 #include "typeinfo"
-#include "string.h"
+#include <string.h>
 #include <string>
-#include "stdio.h"
-#include "stdlib.h"
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
 #include "numpy/arrayobject.h"
 #include "numpy/ufuncobject.h"
 #include "pdal/plang/Array.hpp"
-#include "Pipeline.hpp"
+#include "PyPipeline.hpp"
 #include "pythread.h"
 #ifdef _OPENMP
 #include <omp.h>
@@ -429,7 +564,7 @@ static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject*);
 static CYTHON_INLINE PyObject* __Pyx_PyNumber_IntOrLong(PyObject* x);
 static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*);
 static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t);
-#if CYTHON_COMPILING_IN_CPYTHON
+#if CYTHON_ASSUME_SAFE_MACROS
 #define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x))
 #else
 #define __pyx_PyFloat_AsDouble(x) PyFloat_AsDouble(x)
@@ -537,7 +672,7 @@ static int __pyx_clineno = 0;
 static const char * __pyx_cfilenm= __FILE__;
 static const char *__pyx_filename;
 
-/* None.proto */
+/* Header.proto */
 #if !defined(CYTHON_CCOMPLEX)
   #if defined(__cplusplus)
     #define CYTHON_CCOMPLEX 1
@@ -563,6 +698,7 @@ static const char *__pyx_filename;
 static const char *__pyx_f[] = {
   "pdal/libpdalpython.pyx",
   "__init__.pxd",
+  "stringsource",
   "type.pxd",
   "bool.pxd",
   "complex.pxd",
@@ -756,7 +892,7 @@ typedef npy_double __pyx_t_5numpy_double_t;
  * ctypedef npy_cfloat      cfloat_t
  */
 typedef npy_longdouble __pyx_t_5numpy_longdouble_t;
-/* None.proto */
+/* Declarations.proto */
 #if CYTHON_CCOMPLEX
   #ifdef __cplusplus
     typedef ::std::complex< float > __pyx_t_float_complex;
@@ -766,8 +902,9 @@ typedef npy_longdouble __pyx_t_5numpy_longdouble_t;
 #else
     typedef struct { float real, imag; } __pyx_t_float_complex;
 #endif
+static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float, float);
 
-/* None.proto */
+/* Declarations.proto */
 #if CYTHON_CCOMPLEX
   #ifdef __cplusplus
     typedef ::std::complex< double > __pyx_t_double_complex;
@@ -777,6 +914,7 @@ typedef npy_longdouble __pyx_t_5numpy_longdouble_t;
 #else
     typedef struct { double real, imag; } __pyx_t_double_complex;
 #endif
+static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double, double);
 
 
 /*--- Type declarations ---*/
@@ -818,8 +956,8 @@ typedef npy_clongdouble __pyx_t_5numpy_clongdouble_t;
  */
 typedef npy_cdouble __pyx_t_5numpy_complex_t;
 
-/* "pdal/libpdalpython.pyx":23
- *         vector[Array*] getArrays() except +
+/* "pdal/libpdalpython.pyx":32
+ *         void setLogLevel(int)
  * 
  * cdef class PyPipeline:             # <<<<<<<<<<<<<<
  *     cdef Pipeline *thisptr      # hold a c++ instance which we're wrapping
@@ -895,8 +1033,42 @@ struct __pyx_obj_4pdal_13libpdalpython_PyPipeline {
 #define __Pyx_CLEAR(r)    do { PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);} while(0)
 #define __Pyx_XCLEAR(r)   do { if((r) != NULL) {PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);}} while(0)
 
+/* RaiseDoubleKeywords.proto */
+static void __Pyx_RaiseDoubleKeywordsError(const char* func_name, PyObject* kw_name);
+
+/* ParseKeywords.proto */
+static int __Pyx_ParseOptionalKeywords(PyObject *kwds, PyObject **argnames[],\
+    PyObject *kwds2, PyObject *values[], Py_ssize_t num_pos_args,\
+    const char* function_name);
+
+/* RaiseArgTupleInvalid.proto */
+static void __Pyx_RaiseArgtupleInvalid(const char* func_name, int exact,
+    Py_ssize_t num_min, Py_ssize_t num_max, Py_ssize_t num_found);
+
+/* ArgTypeTest.proto */
+static CYTHON_INLINE int __Pyx_ArgTypeTest(PyObject *obj, PyTypeObject *type, int none_allowed,
+    const char *name, int exact);
+
+/* IncludeCppStringH.proto */
+#include <string>
+
+/* decode_c_bytes.proto */
+static CYTHON_INLINE PyObject* __Pyx_decode_c_bytes(
+         const char* cstring, Py_ssize_t length, Py_ssize_t start, Py_ssize_t stop,
+         const char* encoding, const char* errors,
+         PyObject* (*decode_func)(const char *s, Py_ssize_t size, const char *errors));
+
+/* decode_cpp_string.proto */
+static CYTHON_INLINE PyObject* __Pyx_decode_cpp_string(
+         std::string cppstring, Py_ssize_t start, Py_ssize_t stop,
+         const char* encoding, const char* errors,
+         PyObject* (*decode_func)(const char *s, Py_ssize_t size, const char *errors)) {
+    return __Pyx_decode_c_bytes(
+        cppstring.data(), cppstring.size(), start, stop, encoding, errors, decode_func);
+}
+
 /* PyObjectGetAttrStr.proto */
-#if CYTHON_COMPILING_IN_CPYTHON
+#if CYTHON_USE_TYPE_SLOTS
 static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStr(PyObject* obj, PyObject* attr_name) {
     PyTypeObject* tp = Py_TYPE(obj);
     if (likely(tp->tp_getattro))
@@ -911,36 +1083,44 @@ static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStr(PyObject* obj, PyObject
 #define __Pyx_PyObject_GetAttrStr(o,n) PyObject_GetAttr(o,n)
 #endif
 
-/* GetBuiltinName.proto */
-static PyObject *__Pyx_GetBuiltinName(PyObject *name);
-
-/* RaiseDoubleKeywords.proto */
-static void __Pyx_RaiseDoubleKeywordsError(const char* func_name, PyObject* kw_name);
+/* Import.proto */
+static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level);
 
-/* ParseKeywords.proto */
-static int __Pyx_ParseOptionalKeywords(PyObject *kwds, PyObject **argnames[],\
-    PyObject *kwds2, PyObject *values[], Py_ssize_t num_pos_args,\
-    const char* function_name);
+/* PyCFunctionFastCall.proto */
+#if CYTHON_FAST_PYCCALL
+static CYTHON_INLINE PyObject *__Pyx_PyCFunction_FastCall(PyObject *func, PyObject **args, Py_ssize_t nargs);
+#else
+#define __Pyx_PyCFunction_FastCall(func, args, nargs)  (assert(0), NULL)
+#endif
 
-/* RaiseArgTupleInvalid.proto */
-static void __Pyx_RaiseArgtupleInvalid(const char* func_name, int exact,
-    Py_ssize_t num_min, Py_ssize_t num_max, Py_ssize_t num_found);
+/* PyFunctionFastCall.proto */
+#if CYTHON_FAST_PYCALL
+#define __Pyx_PyFunction_FastCall(func, args, nargs)\
+    __Pyx_PyFunction_FastCallDict((func), (args), (nargs), NULL)
+#if 1 || PY_VERSION_HEX < 0x030600B1
+static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args, int nargs, PyObject *kwargs);
+#else
+#define __Pyx_PyFunction_FastCallDict(func, args, nargs, kwargs) _PyFunction_FastCallDict(func, args, nargs, kwargs)
+#endif
+#endif
 
-/* ArgTypeTest.proto */
-static CYTHON_INLINE int __Pyx_ArgTypeTest(PyObject *obj, PyTypeObject *type, int none_allowed,
-    const char *name, int exact);
+/* PyObjectCall.proto */
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw);
+#else
+#define __Pyx_PyObject_Call(func, arg, kw) PyObject_Call(func, arg, kw)
+#endif
 
-/* IncludeStringH.proto */
-#include <string.h>
+/* PyObjectCallMethO.proto */
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg);
+#endif
 
-/* decode_c_string.proto */
-static CYTHON_INLINE PyObject* __Pyx_decode_c_string(
-         const char* cstring, Py_ssize_t start, Py_ssize_t stop,
-         const char* encoding, const char* errors,
-         PyObject* (*decode_func)(const char *s, Py_ssize_t size, const char *errors));
+/* PyObjectCallOneArg.proto */
+static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg);
 
 /* ListAppend.proto */
-#if CYTHON_COMPILING_IN_CPYTHON
+#if CYTHON_USE_PYLIST_INTERNALS && CYTHON_ASSUME_SAFE_MACROS
 static CYTHON_INLINE int __Pyx_PyList_Append(PyObject* list, PyObject* x) {
     PyListObject* L = (PyListObject*) list;
     Py_ssize_t len = Py_SIZE(list);
@@ -956,15 +1136,8 @@ static CYTHON_INLINE int __Pyx_PyList_Append(PyObject* list, PyObject* x) {
 #define __Pyx_PyList_Append(L,x) PyList_Append(L,x)
 #endif
 
-/* PyObjectCall.proto */
-#if CYTHON_COMPILING_IN_CPYTHON
-static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw);
-#else
-#define __Pyx_PyObject_Call(func, arg, kw) PyObject_Call(func, arg, kw)
-#endif
-
 /* PyThreadStateGet.proto */
-#if CYTHON_COMPILING_IN_CPYTHON
+#if CYTHON_FAST_THREAD_STATE
 #define __Pyx_PyThreadState_declare  PyThreadState *__pyx_tstate;
 #define __Pyx_PyThreadState_assign  __pyx_tstate = PyThreadState_GET();
 #else
@@ -973,7 +1146,7 @@ static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg
 #endif
 
 /* PyErrFetchRestore.proto */
-#if CYTHON_COMPILING_IN_CPYTHON
+#if CYTHON_FAST_THREAD_STATE
 #define __Pyx_ErrRestoreWithState(type, value, tb)  __Pyx_ErrRestoreInState(PyThreadState_GET(), type, value, tb)
 #define __Pyx_ErrFetchWithState(type, value, tb)    __Pyx_ErrFetchInState(PyThreadState_GET(), type, value, tb)
 #define __Pyx_ErrRestore(type, value, tb)  __Pyx_ErrRestoreInState(__pyx_tstate, type, value, tb)
@@ -990,6 +1163,9 @@ static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject
 /* RaiseException.proto */
 static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause);
 
+/* GetBuiltinName.proto */
+static PyObject *__Pyx_GetBuiltinName(PyObject *name);
+
 /* DictGetItem.proto */
 #if PY_MAJOR_VERSION >= 3 && !CYTHON_COMPILING_IN_PYPY
 static PyObject *__Pyx_PyDict_GetItem(PyObject *d, PyObject* key) {
@@ -1023,6 +1199,33 @@ static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void);
 /* ExtTypeTest.proto */
 static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type);
 
+/* SaveResetException.proto */
+#if CYTHON_FAST_THREAD_STATE
+#define __Pyx_ExceptionSave(type, value, tb)  __Pyx__ExceptionSave(__pyx_tstate, type, value, tb)
+static CYTHON_INLINE void __Pyx__ExceptionSave(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb);
+#define __Pyx_ExceptionReset(type, value, tb)  __Pyx__ExceptionReset(__pyx_tstate, type, value, tb)
+static CYTHON_INLINE void __Pyx__ExceptionReset(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb);
+#else
+#define __Pyx_ExceptionSave(type, value, tb)   PyErr_GetExcInfo(type, value, tb)
+#define __Pyx_ExceptionReset(type, value, tb)  PyErr_SetExcInfo(type, value, tb)
+#endif
+
+/* PyErrExceptionMatches.proto */
+#if CYTHON_FAST_THREAD_STATE
+#define __Pyx_PyErr_ExceptionMatches(err) __Pyx_PyErr_ExceptionMatchesInState(__pyx_tstate, err)
+static CYTHON_INLINE int __Pyx_PyErr_ExceptionMatchesInState(PyThreadState* tstate, PyObject* err);
+#else
+#define __Pyx_PyErr_ExceptionMatches(err)  PyErr_ExceptionMatches(err)
+#endif
+
+/* GetException.proto */
+#if CYTHON_FAST_THREAD_STATE
+#define __Pyx_GetException(type, value, tb)  __Pyx__GetException(__pyx_tstate, type, value, tb)
+static int __Pyx__GetException(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb);
+#else
+static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb);
+#endif
+
 /* CodeObjectCache.proto */
 typedef struct {
     PyCodeObject* code_object;
@@ -1058,6 +1261,8 @@ static void __Pyx_CppExn2PyErr() {
     PyErr_SetString(PyExc_MemoryError, exn.what());
   } catch (const std::bad_cast& exn) {
     PyErr_SetString(PyExc_TypeError, exn.what());
+  } catch (const std::bad_typeid& exn) {
+    PyErr_SetString(PyExc_TypeError, exn.what());
   } catch (const std::domain_error& exn) {
     PyErr_SetString(PyExc_ValueError, exn.what());
   } catch (const std::invalid_argument& exn) {
@@ -1082,7 +1287,13 @@ static void __Pyx_CppExn2PyErr() {
 }
 #endif
 
-/* None.proto */
+/* CIntToPy.proto */
+static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value);
+
+/* CIntToPy.proto */
+static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int64_t(int64_t value);
+
+/* RealImag.proto */
 #if CYTHON_CCOMPLEX
   #ifdef __cplusplus
     #define __Pyx_CREAL(z) ((z).real())
@@ -1095,7 +1306,8 @@ static void __Pyx_CppExn2PyErr() {
     #define __Pyx_CREAL(z) ((z).real)
     #define __Pyx_CIMAG(z) ((z).imag)
 #endif
-#if defined(__cplusplus) && CYTHON_CCOMPLEX         && (defined(_WIN32) || defined(__clang__) || (defined(__GNUC__) && (__GNUC__ >= 5 || __GNUC__ == 4 && __GNUC_MINOR__ >= 4 )) || __cplusplus >= 201103)
+#if defined(__cplusplus) && CYTHON_CCOMPLEX\
+        && (defined(_WIN32) || defined(__clang__) || (defined(__GNUC__) && (__GNUC__ >= 5 || __GNUC__ == 4 && __GNUC_MINOR__ >= 4 )) || __cplusplus >= 201103)
     #define __Pyx_SET_CREAL(z,x) ((z).real(x))
     #define __Pyx_SET_CIMAG(z,y) ((z).imag(y))
 #else
@@ -1103,92 +1315,83 @@ static void __Pyx_CppExn2PyErr() {
     #define __Pyx_SET_CIMAG(z,y) __Pyx_CIMAG(z) = (y)
 #endif
 
-/* None.proto */
-static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float, float);
-
-/* None.proto */
+/* Arithmetic.proto */
 #if CYTHON_CCOMPLEX
-    #define __Pyx_c_eqf(a, b)   ((a)==(b))
-    #define __Pyx_c_sumf(a, b)  ((a)+(b))
-    #define __Pyx_c_difff(a, b) ((a)-(b))
-    #define __Pyx_c_prodf(a, b) ((a)*(b))
-    #define __Pyx_c_quotf(a, b) ((a)/(b))
-    #define __Pyx_c_negf(a)     (-(a))
+    #define __Pyx_c_eq_float(a, b)   ((a)==(b))
+    #define __Pyx_c_sum_float(a, b)  ((a)+(b))
+    #define __Pyx_c_diff_float(a, b) ((a)-(b))
+    #define __Pyx_c_prod_float(a, b) ((a)*(b))
+    #define __Pyx_c_quot_float(a, b) ((a)/(b))
+    #define __Pyx_c_neg_float(a)     (-(a))
   #ifdef __cplusplus
-    #define __Pyx_c_is_zerof(z) ((z)==(float)0)
-    #define __Pyx_c_conjf(z)    (::std::conj(z))
+    #define __Pyx_c_is_zero_float(z) ((z)==(float)0)
+    #define __Pyx_c_conj_float(z)    (::std::conj(z))
     #if 1
-        #define __Pyx_c_absf(z)     (::std::abs(z))
-        #define __Pyx_c_powf(a, b)  (::std::pow(a, b))
+        #define __Pyx_c_abs_float(z)     (::std::abs(z))
+        #define __Pyx_c_pow_float(a, b)  (::std::pow(a, b))
     #endif
   #else
-    #define __Pyx_c_is_zerof(z) ((z)==0)
-    #define __Pyx_c_conjf(z)    (conjf(z))
+    #define __Pyx_c_is_zero_float(z) ((z)==0)
+    #define __Pyx_c_conj_float(z)    (conjf(z))
     #if 1
-        #define __Pyx_c_absf(z)     (cabsf(z))
-        #define __Pyx_c_powf(a, b)  (cpowf(a, b))
+        #define __Pyx_c_abs_float(z)     (cabsf(z))
+        #define __Pyx_c_pow_float(a, b)  (cpowf(a, b))
     #endif
  #endif
 #else
-    static CYTHON_INLINE int __Pyx_c_eqf(__pyx_t_float_complex, __pyx_t_float_complex);
-    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_sumf(__pyx_t_float_complex, __pyx_t_float_complex);
-    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_difff(__pyx_t_float_complex, __pyx_t_float_complex);
-    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_prodf(__pyx_t_float_complex, __pyx_t_float_complex);
-    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_quotf(__pyx_t_float_complex, __pyx_t_float_complex);
-    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_negf(__pyx_t_float_complex);
-    static CYTHON_INLINE int __Pyx_c_is_zerof(__pyx_t_float_complex);
-    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_conjf(__pyx_t_float_complex);
+    static CYTHON_INLINE int __Pyx_c_eq_float(__pyx_t_float_complex, __pyx_t_float_complex);
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_sum_float(__pyx_t_float_complex, __pyx_t_float_complex);
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_diff_float(__pyx_t_float_complex, __pyx_t_float_complex);
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_prod_float(__pyx_t_float_complex, __pyx_t_float_complex);
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_quot_float(__pyx_t_float_complex, __pyx_t_float_complex);
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_neg_float(__pyx_t_float_complex);
+    static CYTHON_INLINE int __Pyx_c_is_zero_float(__pyx_t_float_complex);
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_conj_float(__pyx_t_float_complex);
     #if 1
-        static CYTHON_INLINE float __Pyx_c_absf(__pyx_t_float_complex);
-        static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_powf(__pyx_t_float_complex, __pyx_t_float_complex);
+        static CYTHON_INLINE float __Pyx_c_abs_float(__pyx_t_float_complex);
+        static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_pow_float(__pyx_t_float_complex, __pyx_t_float_complex);
     #endif
 #endif
 
-/* None.proto */
-static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double, double);
-
-/* None.proto */
+/* Arithmetic.proto */
 #if CYTHON_CCOMPLEX
-    #define __Pyx_c_eq(a, b)   ((a)==(b))
-    #define __Pyx_c_sum(a, b)  ((a)+(b))
-    #define __Pyx_c_diff(a, b) ((a)-(b))
-    #define __Pyx_c_prod(a, b) ((a)*(b))
-    #define __Pyx_c_quot(a, b) ((a)/(b))
-    #define __Pyx_c_neg(a)     (-(a))
+    #define __Pyx_c_eq_double(a, b)   ((a)==(b))
+    #define __Pyx_c_sum_double(a, b)  ((a)+(b))
+    #define __Pyx_c_diff_double(a, b) ((a)-(b))
+    #define __Pyx_c_prod_double(a, b) ((a)*(b))
+    #define __Pyx_c_quot_double(a, b) ((a)/(b))
+    #define __Pyx_c_neg_double(a)     (-(a))
   #ifdef __cplusplus
-    #define __Pyx_c_is_zero(z) ((z)==(double)0)
-    #define __Pyx_c_conj(z)    (::std::conj(z))
+    #define __Pyx_c_is_zero_double(z) ((z)==(double)0)
+    #define __Pyx_c_conj_double(z)    (::std::conj(z))
     #if 1
-        #define __Pyx_c_abs(z)     (::std::abs(z))
-        #define __Pyx_c_pow(a, b)  (::std::pow(a, b))
+        #define __Pyx_c_abs_double(z)     (::std::abs(z))
+        #define __Pyx_c_pow_double(a, b)  (::std::pow(a, b))
     #endif
   #else
-    #define __Pyx_c_is_zero(z) ((z)==0)
-    #define __Pyx_c_conj(z)    (conj(z))
+    #define __Pyx_c_is_zero_double(z) ((z)==0)
+    #define __Pyx_c_conj_double(z)    (conj(z))
     #if 1
-        #define __Pyx_c_abs(z)     (cabs(z))
-        #define __Pyx_c_pow(a, b)  (cpow(a, b))
+        #define __Pyx_c_abs_double(z)     (cabs(z))
+        #define __Pyx_c_pow_double(a, b)  (cpow(a, b))
     #endif
  #endif
 #else
-    static CYTHON_INLINE int __Pyx_c_eq(__pyx_t_double_complex, __pyx_t_double_complex);
-    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_sum(__pyx_t_double_complex, __pyx_t_double_complex);
-    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_diff(__pyx_t_double_complex, __pyx_t_double_complex);
-    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_prod(__pyx_t_double_complex, __pyx_t_double_complex);
-    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_quot(__pyx_t_double_complex, __pyx_t_double_complex);
-    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_neg(__pyx_t_double_complex);
-    static CYTHON_INLINE int __Pyx_c_is_zero(__pyx_t_double_complex);
-    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_conj(__pyx_t_double_complex);
+    static CYTHON_INLINE int __Pyx_c_eq_double(__pyx_t_double_complex, __pyx_t_double_complex);
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_sum_double(__pyx_t_double_complex, __pyx_t_double_complex);
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_diff_double(__pyx_t_double_complex, __pyx_t_double_complex);
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_prod_double(__pyx_t_double_complex, __pyx_t_double_complex);
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_quot_double(__pyx_t_double_complex, __pyx_t_double_complex);
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_neg_double(__pyx_t_double_complex);
+    static CYTHON_INLINE int __Pyx_c_is_zero_double(__pyx_t_double_complex);
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_conj_double(__pyx_t_double_complex);
     #if 1
-        static CYTHON_INLINE double __Pyx_c_abs(__pyx_t_double_complex);
-        static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_pow(__pyx_t_double_complex, __pyx_t_double_complex);
+        static CYTHON_INLINE double __Pyx_c_abs_double(__pyx_t_double_complex);
+        static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_pow_double(__pyx_t_double_complex, __pyx_t_double_complex);
     #endif
 #endif
 
 /* CIntToPy.proto */
-static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value);
-
-/* CIntToPy.proto */
 static CYTHON_INLINE PyObject* __Pyx_PyInt_From_enum__NPY_TYPES(enum NPY_TYPES value);
 
 /* CIntFromPy.proto */
@@ -1228,6 +1431,10 @@ static int __Pyx_InitStrings(__Pyx_StringTabEntry *t);
 
 /* Module declarations from 'libcpp.string' */
 
+/* Module declarations from 'libc.stdint' */
+
+/* Module declarations from 'libcpp' */
+
 /* Module declarations from 'cpython.version' */
 
 /* Module declarations from 'cpython.buffer' */
@@ -1320,50 +1527,70 @@ static PyTypeObject *__pyx_ptype_5numpy_broadcast = 0;
 static PyTypeObject *__pyx_ptype_5numpy_ndarray = 0;
 static PyTypeObject *__pyx_ptype_5numpy_ufunc = 0;
 static CYTHON_INLINE char *__pyx_f_5numpy__util_dtypestring(PyArray_Descr *, char *, char *, int *); /*proto*/
+static CYTHON_INLINE int __pyx_f_5numpy_import_array(void); /*proto*/
 
 /* Module declarations from 'pdal.libpdalpython' */
 static PyTypeObject *__pyx_ptype_4pdal_13libpdalpython_PyPipeline = 0;
+static CYTHON_INLINE PyObject *__pyx_convert_PyObject_string_to_py_std__in_string(std::string const &); /*proto*/
+static CYTHON_INLINE PyObject *__pyx_convert_PyUnicode_string_to_py_std__in_string(std::string const &); /*proto*/
+static CYTHON_INLINE PyObject *__pyx_convert_PyStr_string_to_py_std__in_string(std::string const &); /*proto*/
+static CYTHON_INLINE PyObject *__pyx_convert_PyBytes_string_to_py_std__in_string(std::string const &); /*proto*/
+static CYTHON_INLINE PyObject *__pyx_convert_PyByteArray_string_to_py_std__in_string(std::string const &); /*proto*/
 #define __Pyx_MODULE_NAME "pdal.libpdalpython"
 int __pyx_module_is_main_pdal__libpdalpython = 0;
 
 /* Implementation of 'pdal.libpdalpython' */
-static PyObject *__pyx_builtin_Exception;
 static PyObject *__pyx_builtin_ValueError;
 static PyObject *__pyx_builtin_range;
 static PyObject *__pyx_builtin_RuntimeError;
+static PyObject *__pyx_builtin_ImportError;
 static const char __pyx_k_json[] = "json";
 static const char __pyx_k_main[] = "__main__";
 static const char __pyx_k_test[] = "__test__";
+static const char __pyx_k_loads[] = "loads";
 static const char __pyx_k_range[] = "range";
-static const char __pyx_k_Exception[] = "Exception";
+static const char __pyx_k_import[] = "__import__";
 static const char __pyx_k_ValueError[] = "ValueError";
+static const char __pyx_k_ImportError[] = "ImportError";
 static const char __pyx_k_RuntimeError[] = "RuntimeError";
 static const char __pyx_k_ndarray_is_not_C_contiguous[] = "ndarray is not C contiguous";
+static const char __pyx_k_numpy_core_multiarray_failed_to[] = "numpy.core.multiarray failed to import";
 static const char __pyx_k_unknown_dtype_code_in_numpy_pxd[] = "unknown dtype code in numpy.pxd (%d)";
 static const char __pyx_k_C_Pipeline_object_not_constructe[] = "C++ Pipeline object not constructed!";
 static const char __pyx_k_Format_string_allocated_too_shor[] = "Format string allocated too short, see comment in numpy.pxd";
 static const char __pyx_k_Non_native_byte_order_not_suppor[] = "Non-native byte order not supported";
 static const char __pyx_k_ndarray_is_not_Fortran_contiguou[] = "ndarray is not Fortran contiguous";
+static const char __pyx_k_numpy_core_umath_failed_to_impor[] = "numpy.core.umath failed to import";
 static const char __pyx_k_Format_string_allocated_too_shor_2[] = "Format string allocated too short.";
 static PyObject *__pyx_kp_s_C_Pipeline_object_not_constructe;
-static PyObject *__pyx_n_s_Exception;
 static PyObject *__pyx_kp_u_Format_string_allocated_too_shor;
 static PyObject *__pyx_kp_u_Format_string_allocated_too_shor_2;
+static PyObject *__pyx_n_s_ImportError;
 static PyObject *__pyx_kp_u_Non_native_byte_order_not_suppor;
 static PyObject *__pyx_n_s_RuntimeError;
 static PyObject *__pyx_n_s_ValueError;
+static PyObject *__pyx_n_s_import;
 static PyObject *__pyx_n_s_json;
+static PyObject *__pyx_n_s_loads;
 static PyObject *__pyx_n_s_main;
 static PyObject *__pyx_kp_u_ndarray_is_not_C_contiguous;
 static PyObject *__pyx_kp_u_ndarray_is_not_Fortran_contiguou;
+static PyObject *__pyx_kp_s_numpy_core_multiarray_failed_to;
+static PyObject *__pyx_kp_s_numpy_core_umath_failed_to_impor;
 static PyObject *__pyx_n_s_range;
 static PyObject *__pyx_n_s_test;
 static PyObject *__pyx_kp_u_unknown_dtype_code_in_numpy_pxd;
 static int __pyx_pf_4pdal_13libpdalpython_10PyPipeline___cinit__(struct __pyx_obj_4pdal_13libpdalpython_PyPipeline *__pyx_v_self, PyObject *__pyx_v_json); /* proto */
 static void __pyx_pf_4pdal_13libpdalpython_10PyPipeline_2__dealloc__(struct __pyx_obj_4pdal_13libpdalpython_PyPipeline *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_4pdal_13libpdalpython_10PyPipeline_4json___get__(struct __pyx_obj_4pdal_13libpdalpython_PyPipeline *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_4pdal_13libpdalpython_10PyPipeline_4arrays(struct __pyx_obj_4pdal_13libpdalpython_PyPipeline *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_4pdal_13libpdalpython_10PyPipeline_6execute(struct __pyx_obj_4pdal_13libpdalpython_PyPipeline *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_4pdal_13libpdalpython_10PyPipeline_8pipeline___get__(struct __pyx_obj_4pdal_13libpdalpython_PyPipeline *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_4pdal_13libpdalpython_10PyPipeline_8metadata___get__(struct __pyx_obj_4pdal_13libpdalpython_PyPipeline *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_4pdal_13libpdalpython_10PyPipeline_8loglevel___get__(struct __pyx_obj_4pdal_13libpdalpython_PyPipeline *__pyx_v_self); /* proto */
+static int __pyx_pf_4pdal_13libpdalpython_10PyPipeline_8loglevel_2__set__(struct __pyx_obj_4pdal_13libpdalpython_PyPipeline *__pyx_v_self, PyObject *__pyx_v_v); /* proto */
+static PyObject *__pyx_pf_4pdal_13libpdalpython_10PyPipeline_3log___get__(struct __pyx_obj_4pdal_13libpdalpython_PyPipeline *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_4pdal_13libpdalpython_10PyPipeline_6schema___get__(struct __pyx_obj_4pdal_13libpdalpython_PyPipeline *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_4pdal_13libpdalpython_10PyPipeline_6arrays___get__(struct __pyx_obj_4pdal_13libpdalpython_PyPipeline *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_4pdal_13libpdalpython_10PyPipeline_4execute(struct __pyx_obj_4pdal_13libpdalpython_PyPipeline *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_4pdal_13libpdalpython_10PyPipeline_6validate(struct __pyx_obj_4pdal_13libpdalpython_PyPipeline *__pyx_v_self); /* proto */
 static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags); /* proto */
 static void __pyx_pf_5numpy_7ndarray_2__releasebuffer__(PyArrayObject *__pyx_v_self, Py_buffer *__pyx_v_info); /* proto */
 static PyObject *__pyx_tp_new_4pdal_13libpdalpython_PyPipeline(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
@@ -1374,8 +1601,12 @@ static PyObject *__pyx_tuple__4;
 static PyObject *__pyx_tuple__5;
 static PyObject *__pyx_tuple__6;
 static PyObject *__pyx_tuple__7;
+static PyObject *__pyx_tuple__8;
+static PyObject *__pyx_tuple__9;
+static PyObject *__pyx_tuple__10;
+static PyObject *__pyx_tuple__11;
 
-/* "pdal/libpdalpython.pyx":25
+/* "pdal/libpdalpython.pyx":34
  * cdef class PyPipeline:
  *     cdef Pipeline *thisptr      # hold a c++ instance which we're wrapping
  *     def __cinit__(self, unicode json):             # <<<<<<<<<<<<<<
@@ -1408,7 +1639,7 @@ static int __pyx_pw_4pdal_13libpdalpython_10PyPipeline_1__cinit__(PyObject *__py
         else goto __pyx_L5_argtuple_error;
       }
       if (unlikely(kw_args > 0)) {
-        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "__cinit__") < 0)) __PYX_ERR(0, 25, __pyx_L3_error)
+        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "__cinit__") < 0)) __PYX_ERR(0, 34, __pyx_L3_error)
       }
     } else if (PyTuple_GET_SIZE(__pyx_args) != 1) {
       goto __pyx_L5_argtuple_error;
@@ -1419,13 +1650,13 @@ static int __pyx_pw_4pdal_13libpdalpython_10PyPipeline_1__cinit__(PyObject *__py
   }
   goto __pyx_L4_argument_unpacking_done;
   __pyx_L5_argtuple_error:;
-  __Pyx_RaiseArgtupleInvalid("__cinit__", 1, 1, 1, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 25, __pyx_L3_error)
+  __Pyx_RaiseArgtupleInvalid("__cinit__", 1, 1, 1, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 34, __pyx_L3_error)
   __pyx_L3_error:;
   __Pyx_AddTraceback("pdal.libpdalpython.PyPipeline.__cinit__", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __Pyx_RefNannyFinishContext();
   return -1;
   __pyx_L4_argument_unpacking_done:;
-  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_json), (&PyUnicode_Type), 1, "json", 1))) __PYX_ERR(0, 25, __pyx_L1_error)
+  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_json), (&PyUnicode_Type), 1, "json", 1))) __PYX_ERR(0, 34, __pyx_L1_error)
   __pyx_r = __pyx_pf_4pdal_13libpdalpython_10PyPipeline___cinit__(((struct __pyx_obj_4pdal_13libpdalpython_PyPipeline *)__pyx_v_self), __pyx_v_json);
 
   /* function exit code */
@@ -1449,7 +1680,7 @@ static int __pyx_pf_4pdal_13libpdalpython_10PyPipeline___cinit__(struct __pyx_ob
   char const *__pyx_t_5;
   __Pyx_RefNannySetupContext("__cinit__", 0);
 
-  /* "pdal/libpdalpython.pyx":27
+  /* "pdal/libpdalpython.pyx":36
  *     def __cinit__(self, unicode json):
  *         cdef char* x
  *         if PY_MAJOR_VERSION >= 3:             # <<<<<<<<<<<<<<
@@ -1459,7 +1690,7 @@ static int __pyx_pf_4pdal_13libpdalpython_10PyPipeline___cinit__(struct __pyx_ob
   __pyx_t_1 = ((PY_MAJOR_VERSION >= 3) != 0);
   if (__pyx_t_1) {
 
-    /* "pdal/libpdalpython.pyx":28
+    /* "pdal/libpdalpython.pyx":37
  *         cdef char* x
  *         if PY_MAJOR_VERSION >= 3:
  *             py_byte_string = json.encode('UTF-8')             # <<<<<<<<<<<<<<
@@ -1468,24 +1699,24 @@ static int __pyx_pf_4pdal_13libpdalpython_10PyPipeline___cinit__(struct __pyx_ob
  */
     if (unlikely(__pyx_v_json == Py_None)) {
       PyErr_Format(PyExc_AttributeError, "'NoneType' object has no attribute '%s'", "encode");
-      __PYX_ERR(0, 28, __pyx_L1_error)
+      __PYX_ERR(0, 37, __pyx_L1_error)
     }
-    __pyx_t_2 = PyUnicode_AsUTF8String(__pyx_v_json); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 28, __pyx_L1_error)
+    __pyx_t_2 = PyUnicode_AsUTF8String(__pyx_v_json); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 37, __pyx_L1_error)
     __Pyx_GOTREF(__pyx_t_2);
     __pyx_v_py_byte_string = __pyx_t_2;
     __pyx_t_2 = 0;
 
-    /* "pdal/libpdalpython.pyx":29
+    /* "pdal/libpdalpython.pyx":38
  *         if PY_MAJOR_VERSION >= 3:
  *             py_byte_string = json.encode('UTF-8')
  *             x= py_byte_string             # <<<<<<<<<<<<<<
  *             self.thisptr = new Pipeline(x)
  *         else:
  */
-    __pyx_t_3 = __Pyx_PyObject_AsString(__pyx_v_py_byte_string); if (unlikely((!__pyx_t_3) && PyErr_Occurred())) __PYX_ERR(0, 29, __pyx_L1_error)
+    __pyx_t_3 = __Pyx_PyObject_AsString(__pyx_v_py_byte_string); if (unlikely((!__pyx_t_3) && PyErr_Occurred())) __PYX_ERR(0, 38, __pyx_L1_error)
     __pyx_v_x = __pyx_t_3;
 
-    /* "pdal/libpdalpython.pyx":30
+    /* "pdal/libpdalpython.pyx":39
  *             py_byte_string = json.encode('UTF-8')
  *             x= py_byte_string
  *             self.thisptr = new Pipeline(x)             # <<<<<<<<<<<<<<
@@ -1496,11 +1727,11 @@ static int __pyx_pf_4pdal_13libpdalpython_10PyPipeline___cinit__(struct __pyx_ob
       __pyx_t_4 = new libpdalpython::Pipeline(__pyx_v_x);
     } catch(...) {
       __Pyx_CppExn2PyErr();
-      __PYX_ERR(0, 30, __pyx_L1_error)
+      __PYX_ERR(0, 39, __pyx_L1_error)
     }
     __pyx_v_self->thisptr = __pyx_t_4;
 
-    /* "pdal/libpdalpython.pyx":27
+    /* "pdal/libpdalpython.pyx":36
  *     def __cinit__(self, unicode json):
  *         cdef char* x
  *         if PY_MAJOR_VERSION >= 3:             # <<<<<<<<<<<<<<
@@ -1510,7 +1741,7 @@ static int __pyx_pf_4pdal_13libpdalpython_10PyPipeline___cinit__(struct __pyx_ob
     goto __pyx_L3;
   }
 
-  /* "pdal/libpdalpython.pyx":32
+  /* "pdal/libpdalpython.pyx":41
  *             self.thisptr = new Pipeline(x)
  *         else:
  *             self.thisptr = new Pipeline(json)             # <<<<<<<<<<<<<<
@@ -1518,18 +1749,18 @@ static int __pyx_pf_4pdal_13libpdalpython_10PyPipeline___cinit__(struct __pyx_ob
  *         del self.thisptr
  */
   /*else*/ {
-    __pyx_t_5 = __Pyx_PyObject_AsString(__pyx_v_json); if (unlikely((!__pyx_t_5) && PyErr_Occurred())) __PYX_ERR(0, 32, __pyx_L1_error)
+    __pyx_t_5 = __Pyx_PyObject_AsString(__pyx_v_json); if (unlikely((!__pyx_t_5) && PyErr_Occurred())) __PYX_ERR(0, 41, __pyx_L1_error)
     try {
       __pyx_t_4 = new libpdalpython::Pipeline(__pyx_t_5);
     } catch(...) {
       __Pyx_CppExn2PyErr();
-      __PYX_ERR(0, 32, __pyx_L1_error)
+      __PYX_ERR(0, 41, __pyx_L1_error)
     }
     __pyx_v_self->thisptr = __pyx_t_4;
   }
   __pyx_L3:;
 
-  /* "pdal/libpdalpython.pyx":25
+  /* "pdal/libpdalpython.pyx":34
  * cdef class PyPipeline:
  *     cdef Pipeline *thisptr      # hold a c++ instance which we're wrapping
  *     def __cinit__(self, unicode json):             # <<<<<<<<<<<<<<
@@ -1550,7 +1781,7 @@ static int __pyx_pf_4pdal_13libpdalpython_10PyPipeline___cinit__(struct __pyx_ob
   return __pyx_r;
 }
 
-/* "pdal/libpdalpython.pyx":33
+/* "pdal/libpdalpython.pyx":42
  *         else:
  *             self.thisptr = new Pipeline(json)
  *     def __dealloc__(self):             # <<<<<<<<<<<<<<
@@ -1573,16 +1804,16 @@ static void __pyx_pf_4pdal_13libpdalpython_10PyPipeline_2__dealloc__(struct __py
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__dealloc__", 0);
 
-  /* "pdal/libpdalpython.pyx":34
+  /* "pdal/libpdalpython.pyx":43
  *             self.thisptr = new Pipeline(json)
  *     def __dealloc__(self):
  *         del self.thisptr             # <<<<<<<<<<<<<<
  * 
- *     property json:
+ *     property pipeline:
  */
   delete __pyx_v_self->thisptr;
 
-  /* "pdal/libpdalpython.pyx":33
+  /* "pdal/libpdalpython.pyx":42
  *         else:
  *             self.thisptr = new Pipeline(json)
  *     def __dealloc__(self):             # <<<<<<<<<<<<<<
@@ -1594,62 +1825,66 @@ static void __pyx_pf_4pdal_13libpdalpython_10PyPipeline_2__dealloc__(struct __py
   __Pyx_RefNannyFinishContext();
 }
 
-/* "pdal/libpdalpython.pyx":37
+/* "pdal/libpdalpython.pyx":46
  * 
- *     property json:
+ *     property pipeline:
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- *             cdef int offset
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-  __Pyx_INCREF(__pyx_t_3);
-  __pyx_v_descr = ((PyArray_Descr *)__pyx_t_3);
-  __pyx_t_3 = 0;
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-  /* "../../../../../../usr/local/lib/python3.5/site-packages/Cython/Includes/numpy/__init__.pxd":246
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+    /* "../../../../../../usr/local/lib/python3.5/site-packages/Cython/Includes/numpy/__init__.pxd":212
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-    /* "../../../../../../usr/local/lib/python3.5/site-packages/Cython/Includes/numpy/__init__.pxd":248
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-    __Pyx_DECREF(__pyx_v_info->obj);
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-    /* "../../../../../../usr/local/lib/python3.5/site-packages/Cython/Includes/numpy/__init__.pxd":256
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+  return __pyx_pw_4pdal_13libpdalpython_10PyPipeline_8loglevel_1__get__(o);
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+static PyObject *__pyx_getprop_4pdal_13libpdalpython_10PyPipeline_schema(PyObject *o, CYTHON_UNUSED void *x) {
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+  {(char *)"schema", __pyx_getprop_4pdal_13libpdalpython_10PyPipeline_schema, 0, (char *)0, 0},
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  *                 if ((descr.byteorder == c'>' and little_endian) or
@@ -4238,9 +5646,9 @@ static int __Pyx_InitCachedConstants(void) {
  *                 if   t == NPY_BYTE:        f = "b"
  *                 elif t == NPY_UBYTE:       f = "B"
  */
-  __pyx_tuple__4 = PyTuple_Pack(1, __pyx_kp_u_Non_native_byte_order_not_suppor); if (unlikely(!__pyx_tuple__4)) __PYX_ERR(1, 259, __pyx_L1_error)
-  __Pyx_GOTREF(__pyx_tuple__4);
-  __Pyx_GIVEREF(__pyx_tuple__4);
+  __pyx_tuple__5 = PyTuple_Pack(1, __pyx_kp_u_Non_native_byte_order_not_suppor); if (unlikely(!__pyx_tuple__5)) __PYX_ERR(1, 259, __pyx_L1_error)
+  __Pyx_GOTREF(__pyx_tuple__5);
+  __Pyx_GIVEREF(__pyx_tuple__5);
 
   /* "../../../../../../usr/local/lib/python3.5/site-packages/Cython/Includes/numpy/__init__.pxd":799
  * 
@@ -4249,9 +5657,9 @@ static int __Pyx_InitCachedConstants(void) {
  * 
  *         if ((child.byteorder == c'>' and little_endian) or
  */
-  __pyx_tuple__5 = PyTuple_Pack(1, __pyx_kp_u_Format_string_allocated_too_shor); if (unlikely(!__pyx_tuple__5)) __PYX_ERR(1, 799, __pyx_L1_error)
-  __Pyx_GOTREF(__pyx_tuple__5);
-  __Pyx_GIVEREF(__pyx_tuple__5);
+  __pyx_tuple__6 = PyTuple_Pack(1, __pyx_kp_u_Format_string_allocated_too_shor); if (unlikely(!__pyx_tuple__6)) __PYX_ERR(1, 799, __pyx_L1_error)
+  __Pyx_GOTREF(__pyx_tuple__6);
+  __Pyx_GIVEREF(__pyx_tuple__6);
 
   /* "../../../../../../usr/local/lib/python3.5/site-packages/Cython/Includes/numpy/__init__.pxd":803
  *         if ((child.byteorder == c'>' and little_endian) or
@@ -4260,9 +5668,9 @@ static int __Pyx_InitCachedConstants(void) {
  *             # One could encode it in the format string and have Cython
  *             # complain instead, BUT: < and > in format strings also imply
  */
-  __pyx_tuple__6 = PyTuple_Pack(1, __pyx_kp_u_Non_native_byte_order_not_suppor); if (unlikely(!__pyx_tuple__6)) __PYX_ERR(1, 803, __pyx_L1_error)
-  __Pyx_GOTREF(__pyx_tuple__6);
-  __Pyx_GIVEREF(__pyx_tuple__6);
+  __pyx_tuple__7 = PyTuple_Pack(1, __pyx_kp_u_Non_native_byte_order_not_suppor); if (unlikely(!__pyx_tuple__7)) __PYX_ERR(1, 803, __pyx_L1_error)
+  __Pyx_GOTREF(__pyx_tuple__7);
+  __Pyx_GIVEREF(__pyx_tuple__7);
 
   /* "../../../../../../usr/local/lib/python3.5/site-packages/Cython/Includes/numpy/__init__.pxd":823
  *             t = child.type_num
@@ -4271,9 +5679,40 @@ static int __Pyx_InitCachedConstants(void) {
  * 
  *             # Until ticket #99 is fixed, use integers to avoid warnings
  */
-  __pyx_tuple__7 = PyTuple_Pack(1, __pyx_kp_u_Format_string_allocated_too_shor_2); if (unlikely(!__pyx_tuple__7)) __PYX_ERR(1, 823, __pyx_L1_error)
-  __Pyx_GOTREF(__pyx_tuple__7);
-  __Pyx_GIVEREF(__pyx_tuple__7);
+  __pyx_tuple__8 = PyTuple_Pack(1, __pyx_kp_u_Format_string_allocated_too_shor_2); if (unlikely(!__pyx_tuple__8)) __PYX_ERR(1, 823, __pyx_L1_error)
+  __Pyx_GOTREF(__pyx_tuple__8);
+  __Pyx_GIVEREF(__pyx_tuple__8);
+
+  /* "../../../../../../usr/local/lib/python3.5/site-packages/Cython/Includes/numpy/__init__.pxd":989
+ *         _import_array()
+ *     except Exception:
+ *         raise ImportError("numpy.core.multiarray failed to import")             # <<<<<<<<<<<<<<
+ * 
+ * cdef inline int import_umath() except -1:
+ */
+  __pyx_tuple__9 = PyTuple_Pack(1, __pyx_kp_s_numpy_core_multiarray_failed_to); if (unlikely(!__pyx_tuple__9)) __PYX_ERR(1, 989, __pyx_L1_error)
+  __Pyx_GOTREF(__pyx_tuple__9);
+  __Pyx_GIVEREF(__pyx_tuple__9);
+
+  /* "../../../../../../usr/local/lib/python3.5/site-packages/Cython/Includes/numpy/__init__.pxd":995
+ *         _import_umath()
+ *     except Exception:
+ *         raise ImportError("numpy.core.umath failed to import")             # <<<<<<<<<<<<<<
+ * 
+ * cdef inline int import_ufunc() except -1:
+ */
+  __pyx_tuple__10 = PyTuple_Pack(1, __pyx_kp_s_numpy_core_umath_failed_to_impor); if (unlikely(!__pyx_tuple__10)) __PYX_ERR(1, 995, __pyx_L1_error)
+  __Pyx_GOTREF(__pyx_tuple__10);
+  __Pyx_GIVEREF(__pyx_tuple__10);
+
+  /* "../../../../../../usr/local/lib/python3.5/site-packages/Cython/Includes/numpy/__init__.pxd":1001
+ *         _import_umath()
+ *     except Exception:
+ *         raise ImportError("numpy.core.umath failed to import")             # <<<<<<<<<<<<<<
+ */
+  __pyx_tuple__11 = PyTuple_Pack(1, __pyx_kp_s_numpy_core_umath_failed_to_impor); if (unlikely(!__pyx_tuple__11)) __PYX_ERR(1, 1001, __pyx_L1_error)
+  __Pyx_GOTREF(__pyx_tuple__11);
+  __Pyx_GIVEREF(__pyx_tuple__11);
   __Pyx_RefNannyFinishContext();
   return 0;
   __pyx_L1_error:;
@@ -4296,7 +5735,8 @@ PyMODINIT_FUNC PyInit_libpdalpython(void); /*proto*/
 PyMODINIT_FUNC PyInit_libpdalpython(void)
 #endif
 {
-  PyObject *__pyx_t_1 = NULL;
+  int __pyx_t_1;
+  PyObject *__pyx_t_2 = NULL;
   __Pyx_RefNannyDeclarations
   #if CYTHON_REFNANNY
   __Pyx_RefNanny = __Pyx_RefNannyImportAPI("refnanny");
@@ -4372,9 +5812,9 @@ PyMODINIT_FUNC PyInit_libpdalpython(void)
   /*--- Variable export code ---*/
   /*--- Function export code ---*/
   /*--- Type init code ---*/
-  if (PyType_Ready(&__pyx_type_4pdal_13libpdalpython_PyPipeline) < 0) __PYX_ERR(0, 23, __pyx_L1_error)
+  if (PyType_Ready(&__pyx_type_4pdal_13libpdalpython_PyPipeline) < 0) __PYX_ERR(0, 32, __pyx_L1_error)
   __pyx_type_4pdal_13libpdalpython_PyPipeline.tp_print = 0;
-  if (PyObject_SetAttrString(__pyx_m, "PyPipeline", (PyObject *)&__pyx_type_4pdal_13libpdalpython_PyPipeline) < 0) __PYX_ERR(0, 23, __pyx_L1_error)
+  if (PyObject_SetAttrString(__pyx_m, "PyPipeline", (PyObject *)&__pyx_type_4pdal_13libpdalpython_PyPipeline) < 0) __PYX_ERR(0, 32, __pyx_L1_error)
   __pyx_ptype_4pdal_13libpdalpython_PyPipeline = &__pyx_type_4pdal_13libpdalpython_PyPipeline;
   /*--- Type import code ---*/
   __pyx_ptype_7cpython_4type_type = __Pyx_ImportType(__Pyx_BUILTIN_MODULE_NAME, "type", 
@@ -4383,9 +5823,9 @@ PyMODINIT_FUNC PyInit_libpdalpython(void)
   #else
   sizeof(PyHeapTypeObject),
   #endif
-  0); if (unlikely(!__pyx_ptype_7cpython_4type_type)) __PYX_ERR(2, 9, __pyx_L1_error)
-  __pyx_ptype_7cpython_4bool_bool = __Pyx_ImportType(__Pyx_BUILTIN_MODULE_NAME, "bool", sizeof(PyBoolObject), 0); if (unlikely(!__pyx_ptype_7cpython_4bool_bool)) __PYX_ERR(3, 8, __pyx_L1_error)
-  __pyx_ptype_7cpython_7complex_complex = __Pyx_ImportType(__Pyx_BUILTIN_MODULE_NAME, "complex", sizeof(PyComplexObject), 0); if (unlikely(!__pyx_ptype_7cpython_7complex_complex)) __PYX_ERR(4, 15, __pyx_L1_error)
+  0); if (unlikely(!__pyx_ptype_7cpython_4type_type)) __PYX_ERR(3, 9, __pyx_L1_error)
+  __pyx_ptype_7cpython_4bool_bool = __Pyx_ImportType(__Pyx_BUILTIN_MODULE_NAME, "bool", sizeof(PyBoolObject), 0); if (unlikely(!__pyx_ptype_7cpython_4bool_bool)) __PYX_ERR(4, 8, __pyx_L1_error)
+  __pyx_ptype_7cpython_7complex_complex = __Pyx_ImportType(__Pyx_BUILTIN_MODULE_NAME, "complex", sizeof(PyComplexObject), 0); if (unlikely(!__pyx_ptype_7cpython_7complex_complex)) __PYX_ERR(5, 15, __pyx_L1_error)
   __pyx_ptype_5numpy_dtype = __Pyx_ImportType("numpy", "dtype", sizeof(PyArray_Descr), 0); if (unlikely(!__pyx_ptype_5numpy_dtype)) __PYX_ERR(1, 155, __pyx_L1_error)
   __pyx_ptype_5numpy_flatiter = __Pyx_ImportType("numpy", "flatiter", sizeof(PyArrayIterObject), 0); if (unlikely(!__pyx_ptype_5numpy_flatiter)) __PYX_ERR(1, 168, __pyx_L1_error)
   __pyx_ptype_5numpy_broadcast = __Pyx_ImportType("numpy", "broadcast", sizeof(PyArrayMultiIterObject), 0); if (unlikely(!__pyx_ptype_5numpy_broadcast)) __PYX_ERR(1, 172, __pyx_L1_error)
@@ -4398,38 +5838,38 @@ PyMODINIT_FUNC PyInit_libpdalpython(void)
   if (__Pyx_patch_abc() < 0) __PYX_ERR(0, 1, __pyx_L1_error)
   #endif
 
-  /* "pdal/libpdalpython.pyx":7
+  /* "pdal/libpdalpython.pyx":9
  * from cpython.version cimport PY_MAJOR_VERSION
  * cimport numpy as np
  * np.import_array()             # <<<<<<<<<<<<<<
  * 
  * from cpython cimport PyObject, Py_INCREF
  */
-  import_array();
+  __pyx_t_1 = __pyx_f_5numpy_import_array(); if (unlikely(__pyx_t_1 == -1)) __PYX_ERR(0, 9, __pyx_L1_error)
 
   /* "pdal/libpdalpython.pyx":1
  * # distutils: language = c++             # <<<<<<<<<<<<<<
  * 
  * from libcpp.vector cimport vector
  */
-  __pyx_t_1 = PyDict_New(); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 1, __pyx_L1_error)
-  __Pyx_GOTREF(__pyx_t_1);
-  if (PyDict_SetItem(__pyx_d, __pyx_n_s_test, __pyx_t_1) < 0) __PYX_ERR(0, 1, __pyx_L1_error)
-  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  __pyx_t_2 = PyDict_New(); if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 1, __pyx_L1_error)
+  __Pyx_GOTREF(__pyx_t_2);
+  if (PyDict_SetItem(__pyx_d, __pyx_n_s_test, __pyx_t_2) < 0) __PYX_ERR(0, 1, __pyx_L1_error)
+  __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
 
-  /* "../../../../../../usr/local/lib/python3.5/site-packages/Cython/Includes/numpy/__init__.pxd":976
- *      arr.base = baseptr
+  /* "string.to_py":55
+ * 
+ * @cname("__pyx_convert_PyByteArray_string_to_py_std__in_string")
+ * cdef inline object __pyx_convert_PyByteArray_string_to_py_std__in_string(const string& s):             # <<<<<<<<<<<<<<
+ *     return __Pyx_PyByteArray_FromStringAndSize(s.data(), s.size())
  * 
- * cdef inline object get_array_base(ndarray arr):             # <<<<<<<<<<<<<<
- *     if arr.base is NULL:
- *         return None
  */
 
   /*--- Wrapped vars code ---*/
 
   goto __pyx_L0;
   __pyx_L1_error:;
-  __Pyx_XDECREF(__pyx_t_1);
+  __Pyx_XDECREF(__pyx_t_2);
   if (__pyx_m) {
     if (__pyx_d) {
       __Pyx_AddTraceback("init pdal.libpdalpython", __pyx_clineno, __pyx_lineno, __pyx_filename);
@@ -4465,20 +5905,6 @@ end:
 }
 #endif
 
-/* GetBuiltinName */
-static PyObject *__Pyx_GetBuiltinName(PyObject *name) {
-    PyObject* result = __Pyx_PyObject_GetAttrStr(__pyx_b, name);
-    if (unlikely(!result)) {
-        PyErr_Format(PyExc_NameError,
-#if PY_MAJOR_VERSION >= 3
-            "name '%U' is not defined", name);
-#else
-            "name '%.200s' is not defined", PyString_AS_STRING(name));
-#endif
-    }
-    return result;
-}
-
 /* RaiseDoubleKeywords */
 static void __Pyx_RaiseDoubleKeywordsError(
     const char* func_name,
@@ -4648,20 +6074,12 @@ static CYTHON_INLINE int __Pyx_ArgTypeTest(PyObject *obj, PyTypeObject *type, in
     return 0;
 }
 
-/* decode_c_string */
-static CYTHON_INLINE PyObject* __Pyx_decode_c_string(
-         const char* cstring, Py_ssize_t start, Py_ssize_t stop,
+/* decode_c_bytes */
+static CYTHON_INLINE PyObject* __Pyx_decode_c_bytes(
+         const char* cstring, Py_ssize_t length, Py_ssize_t start, Py_ssize_t stop,
          const char* encoding, const char* errors,
          PyObject* (*decode_func)(const char *s, Py_ssize_t size, const char *errors)) {
-    Py_ssize_t length;
     if (unlikely((start < 0) | (stop < 0))) {
-        size_t slen = strlen(cstring);
-        if (unlikely(slen > (size_t) PY_SSIZE_T_MAX)) {
-            PyErr_SetString(PyExc_OverflowError,
-                            "c-string too long to convert to Python");
-            return NULL;
-        }
-        length = (Py_ssize_t) slen;
         if (start < 0) {
             start += length;
             if (start < 0)
@@ -4670,16 +6088,232 @@ static CYTHON_INLINE PyObject* __Pyx_decode_c_string(
         if (stop < 0)
             stop += length;
     }
-    length = stop - start;
-    if (unlikely(length <= 0))
-        return PyUnicode_FromUnicode(NULL, 0);
-    cstring += start;
-    if (decode_func) {
-        return decode_func(cstring, length, errors);
-    } else {
-        return PyUnicode_Decode(cstring, length, encoding, errors);
+    if (stop > length)
+        stop = length;
+    length = stop - start;
+    if (unlikely(length <= 0))
+        return PyUnicode_FromUnicode(NULL, 0);
+    cstring += start;
+    if (decode_func) {
+        return decode_func(cstring, length, errors);
+    } else {
+        return PyUnicode_Decode(cstring, length, encoding, errors);
+    }
+}
+
+/* Import */
+static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level) {
+    PyObject *empty_list = 0;
+    PyObject *module = 0;
+    PyObject *global_dict = 0;
+    PyObject *empty_dict = 0;
+    PyObject *list;
+    #if PY_VERSION_HEX < 0x03030000
+    PyObject *py_import;
+    py_import = __Pyx_PyObject_GetAttrStr(__pyx_b, __pyx_n_s_import);
+    if (!py_import)
+        goto bad;
+    #endif
+    if (from_list)
+        list = from_list;
+    else {
+        empty_list = PyList_New(0);
+        if (!empty_list)
+            goto bad;
+        list = empty_list;
+    }
+    global_dict = PyModule_GetDict(__pyx_m);
+    if (!global_dict)
+        goto bad;
+    empty_dict = PyDict_New();
+    if (!empty_dict)
+        goto bad;
+    {
+        #if PY_MAJOR_VERSION >= 3
+        if (level == -1) {
+            if (strchr(__Pyx_MODULE_NAME, '.')) {
+                #if PY_VERSION_HEX < 0x03030000
+                PyObject *py_level = PyInt_FromLong(1);
+                if (!py_level)
+                    goto bad;
+                module = PyObject_CallFunctionObjArgs(py_import,
+                    name, global_dict, empty_dict, list, py_level, NULL);
+                Py_DECREF(py_level);
+                #else
+                module = PyImport_ImportModuleLevelObject(
+                    name, global_dict, empty_dict, list, 1);
+                #endif
+                if (!module) {
+                    if (!PyErr_ExceptionMatches(PyExc_ImportError))
+                        goto bad;
+                    PyErr_Clear();
+                }
+            }
+            level = 0;
+        }
+        #endif
+        if (!module) {
+            #if PY_VERSION_HEX < 0x03030000
+            PyObject *py_level = PyInt_FromLong(level);
+            if (!py_level)
+                goto bad;
+            module = PyObject_CallFunctionObjArgs(py_import,
+                name, global_dict, empty_dict, list, py_level, NULL);
+            Py_DECREF(py_level);
+            #else
+            module = PyImport_ImportModuleLevelObject(
+                name, global_dict, empty_dict, list, level);
+            #endif
+        }
+    }
+bad:
+    #if PY_VERSION_HEX < 0x03030000
+    Py_XDECREF(py_import);
+    #endif
+    Py_XDECREF(empty_list);
+    Py_XDECREF(empty_dict);
+    return module;
+}
+
+/* PyCFunctionFastCall */
+#if CYTHON_FAST_PYCCALL
+static CYTHON_INLINE PyObject * __Pyx_PyCFunction_FastCall(PyObject *func_obj, PyObject **args, Py_ssize_t nargs) {
+    PyCFunctionObject *func = (PyCFunctionObject*)func_obj;
+    PyCFunction meth = PyCFunction_GET_FUNCTION(func);
+    PyObject *self = PyCFunction_GET_SELF(func);
+    PyObject *result;
+    int flags;
+    assert(PyCFunction_Check(func));
+    assert(METH_FASTCALL == PyCFunction_GET_FLAGS(func) & ~(METH_CLASS | METH_STATIC | METH_COEXIST));
+    assert(nargs >= 0);
+    assert(nargs == 0 || args != NULL);
+    /* _PyCFunction_FastCallDict() must not be called with an exception set,
+       because it may clear it (directly or indirectly) and so the
+       caller loses its exception */
+    assert(!PyErr_Occurred());
+    return (*((__Pyx_PyCFunctionFast)meth)) (self, args, nargs, NULL);
+}
+#endif  // CYTHON_FAST_PYCCALL
+
+/* PyFunctionFastCall */
+#if CYTHON_FAST_PYCALL
+#include "frameobject.h"
+static PyObject* __Pyx_PyFunction_FastCallNoKw(PyCodeObject *co, PyObject **args, Py_ssize_t na,
+                                               PyObject *globals) {
+    PyFrameObject *f;
+    PyThreadState *tstate = PyThreadState_GET();
+    PyObject **fastlocals;
+    Py_ssize_t i;
+    PyObject *result;
+    assert(globals != NULL);
+    /* XXX Perhaps we should create a specialized
+       PyFrame_New() that doesn't take locals, but does
+       take builtins without sanity checking them.
+       */
+    assert(tstate != NULL);
+    f = PyFrame_New(tstate, co, globals, NULL);
+    if (f == NULL) {
+        return NULL;
+    }
+    fastlocals = f->f_localsplus;
+    for (i = 0; i < na; i++) {
+        Py_INCREF(*args);
+        fastlocals[i] = *args++;
+    }
+    result = PyEval_EvalFrameEx(f,0);
+    ++tstate->recursion_depth;
+    Py_DECREF(f);
+    --tstate->recursion_depth;
+    return result;
+}
+#if 1 || PY_VERSION_HEX < 0x030600B1
+static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args, int nargs, PyObject *kwargs) {
+    PyCodeObject *co = (PyCodeObject *)PyFunction_GET_CODE(func);
+    PyObject *globals = PyFunction_GET_GLOBALS(func);
+    PyObject *argdefs = PyFunction_GET_DEFAULTS(func);
+    PyObject *closure;
+#if PY_MAJOR_VERSION >= 3
+    PyObject *kwdefs;
+#endif
+    PyObject *kwtuple, **k;
+    PyObject **d;
+    Py_ssize_t nd;
+    Py_ssize_t nk;
+    PyObject *result;
+    assert(kwargs == NULL || PyDict_Check(kwargs));
+    nk = kwargs ? PyDict_Size(kwargs) : 0;
+    if (Py_EnterRecursiveCall((char*)" while calling a Python object")) {
+        return NULL;
+    }
+    if (
+#if PY_MAJOR_VERSION >= 3
+            co->co_kwonlyargcount == 0 &&
+#endif
+            likely(kwargs == NULL || nk == 0) &&
+            co->co_flags == (CO_OPTIMIZED | CO_NEWLOCALS | CO_NOFREE)) {
+        if (argdefs == NULL && co->co_argcount == nargs) {
+            result = __Pyx_PyFunction_FastCallNoKw(co, args, nargs, globals);
+            goto done;
+        }
+        else if (nargs == 0 && argdefs != NULL
+                 && co->co_argcount == Py_SIZE(argdefs)) {
+            /* function called with no arguments, but all parameters have
+               a default value: use default values as arguments .*/
+            args = &PyTuple_GET_ITEM(argdefs, 0);
+            result =__Pyx_PyFunction_FastCallNoKw(co, args, Py_SIZE(argdefs), globals);
+            goto done;
+        }
+    }
+    if (kwargs != NULL) {
+        Py_ssize_t pos, i;
+        kwtuple = PyTuple_New(2 * nk);
+        if (kwtuple == NULL) {
+            result = NULL;
+            goto done;
+        }
+        k = &PyTuple_GET_ITEM(kwtuple, 0);
+        pos = i = 0;
+        while (PyDict_Next(kwargs, &pos, &k[i], &k[i+1])) {
+            Py_INCREF(k[i]);
+            Py_INCREF(k[i+1]);
+            i += 2;
+        }
+        nk = i / 2;
+    }
+    else {
+        kwtuple = NULL;
+        k = NULL;
+    }
+    closure = PyFunction_GET_CLOSURE(func);
+#if PY_MAJOR_VERSION >= 3
+    kwdefs = PyFunction_GET_KW_DEFAULTS(func);
+#endif
+    if (argdefs != NULL) {
+        d = &PyTuple_GET_ITEM(argdefs, 0);
+        nd = Py_SIZE(argdefs);
+    }
+    else {
+        d = NULL;
+        nd = 0;
     }
+#if PY_MAJOR_VERSION >= 3
+    result = PyEval_EvalCodeEx((PyObject*)co, globals, (PyObject *)NULL,
+                               args, nargs,
+                               k, (int)nk,
+                               d, (int)nd, kwdefs, closure);
+#else
+    result = PyEval_EvalCodeEx(co, globals, (PyObject *)NULL,
+                               args, nargs,
+                               k, (int)nk,
+                               d, (int)nd, closure);
+#endif
+    Py_XDECREF(kwtuple);
+done:
+    Py_LeaveRecursiveCall();
+    return result;
 }
+#endif  // CPython < 3.6
+#endif  // CYTHON_FAST_PYCALL
 
 /* PyObjectCall */
 #if CYTHON_COMPILING_IN_CPYTHON
@@ -4701,8 +6335,72 @@ static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg
 }
 #endif
 
-/* PyErrFetchRestore */
+/* PyObjectCallMethO */
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg) {
+    PyObject *self, *result;
+    PyCFunction cfunc;
+    cfunc = PyCFunction_GET_FUNCTION(func);
+    self = PyCFunction_GET_SELF(func);
+    if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object")))
+        return NULL;
+    result = cfunc(self, arg);
+    Py_LeaveRecursiveCall();
+    if (unlikely(!result) && unlikely(!PyErr_Occurred())) {
+        PyErr_SetString(
+            PyExc_SystemError,
+            "NULL result without error in PyObject_Call");
+    }
+    return result;
+}
+#endif
+
+/* PyObjectCallOneArg */
 #if CYTHON_COMPILING_IN_CPYTHON
+static PyObject* __Pyx__PyObject_CallOneArg(PyObject *func, PyObject *arg) {
+    PyObject *result;
+    PyObject *args = PyTuple_New(1);
+    if (unlikely(!args)) return NULL;
+    Py_INCREF(arg);
+    PyTuple_SET_ITEM(args, 0, arg);
+    result = __Pyx_PyObject_Call(func, args, NULL);
+    Py_DECREF(args);
+    return result;
+}
+static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) {
+#if CYTHON_FAST_PYCALL
+    if (PyFunction_Check(func)) {
+        return __Pyx_PyFunction_FastCall(func, &arg, 1);
+    }
+#endif
+#ifdef __Pyx_CyFunction_USED
+    if (likely(PyCFunction_Check(func) || PyObject_TypeCheck(func, __pyx_CyFunctionType))) {
+#else
+    if (likely(PyCFunction_Check(func))) {
+#endif
+        if (likely(PyCFunction_GET_FLAGS(func) & METH_O)) {
+            return __Pyx_PyObject_CallMethO(func, arg);
+#if CYTHON_FAST_PYCCALL
+        } else if (PyCFunction_GET_FLAGS(func) & METH_FASTCALL) {
+            return __Pyx_PyCFunction_FastCall(func, &arg, 1);
+#endif
+        }
+    }
+    return __Pyx__PyObject_CallOneArg(func, arg);
+}
+#else
+static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) {
+    PyObject *result;
+    PyObject *args = PyTuple_Pack(1, arg);
+    if (unlikely(!args)) return NULL;
+    result = __Pyx_PyObject_Call(func, args, NULL);
+    Py_DECREF(args);
+    return result;
+}
+#endif
+
+/* PyErrFetchRestore */
+  #if CYTHON_FAST_THREAD_STATE
 static CYTHON_INLINE void __Pyx_ErrRestoreInState(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) {
     PyObject *tmp_type, *tmp_value, *tmp_tb;
     tmp_type = tstate->curexc_type;
@@ -4726,7 +6424,7 @@ static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject
 #endif
 
 /* RaiseException */
-#if PY_MAJOR_VERSION < 3
+  #if PY_MAJOR_VERSION < 3
 static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb,
                         CYTHON_UNUSED PyObject *cause) {
     __Pyx_PyThreadState_declare
@@ -4888,26 +6586,40 @@ bad:
 }
 #endif
 
+/* GetBuiltinName */
+    static PyObject *__Pyx_GetBuiltinName(PyObject *name) {
+    PyObject* result = __Pyx_PyObject_GetAttrStr(__pyx_b, name);
+    if (unlikely(!result)) {
+        PyErr_Format(PyExc_NameError,
+#if PY_MAJOR_VERSION >= 3
+            "name '%U' is not defined", name);
+#else
+            "name '%.200s' is not defined", PyString_AS_STRING(name));
+#endif
+    }
+    return result;
+}
+
 /* RaiseTooManyValuesToUnpack */
-  static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected) {
+    static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected) {
     PyErr_Format(PyExc_ValueError,
                  "too many values to unpack (expected %" CYTHON_FORMAT_SSIZE_T "d)", expected);
 }
 
 /* RaiseNeedMoreValuesToUnpack */
-  static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index) {
+    static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index) {
     PyErr_Format(PyExc_ValueError,
                  "need more than %" CYTHON_FORMAT_SSIZE_T "d value%.1s to unpack",
                  index, (index == 1) ? "" : "s");
 }
 
 /* RaiseNoneIterError */
-  static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void) {
+    static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void) {
     PyErr_SetString(PyExc_TypeError, "'NoneType' object is not iterable");
 }
 
 /* ExtTypeTest */
-  static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type) {
+    static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type) {
     if (unlikely(!type)) {
         PyErr_SetString(PyExc_SystemError, "Missing type object");
         return 0;
@@ -4919,8 +6631,103 @@ bad:
     return 0;
 }
 
+/* SaveResetException */
+    #if CYTHON_FAST_THREAD_STATE
+static CYTHON_INLINE void __Pyx__ExceptionSave(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
+    *type = tstate->exc_type;
+    *value = tstate->exc_value;
+    *tb = tstate->exc_traceback;
+    Py_XINCREF(*type);
+    Py_XINCREF(*value);
+    Py_XINCREF(*tb);
+}
+static CYTHON_INLINE void __Pyx__ExceptionReset(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) {
+    PyObject *tmp_type, *tmp_value, *tmp_tb;
+    tmp_type = tstate->exc_type;
+    tmp_value = tstate->exc_value;
+    tmp_tb = tstate->exc_traceback;
+    tstate->exc_type = type;
+    tstate->exc_value = value;
+    tstate->exc_traceback = tb;
+    Py_XDECREF(tmp_type);
+    Py_XDECREF(tmp_value);
+    Py_XDECREF(tmp_tb);
+}
+#endif
+
+/* PyErrExceptionMatches */
+    #if CYTHON_FAST_THREAD_STATE
+static CYTHON_INLINE int __Pyx_PyErr_ExceptionMatchesInState(PyThreadState* tstate, PyObject* err) {
+    PyObject *exc_type = tstate->curexc_type;
+    if (exc_type == err) return 1;
+    if (unlikely(!exc_type)) return 0;
+    return PyErr_GivenExceptionMatches(exc_type, err);
+}
+#endif
+
+/* GetException */
+    #if CYTHON_FAST_THREAD_STATE
+static int __Pyx__GetException(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
+#else
+static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb) {
+#endif
+    PyObject *local_type, *local_value, *local_tb;
+#if CYTHON_FAST_THREAD_STATE
+    PyObject *tmp_type, *tmp_value, *tmp_tb;
+    local_type = tstate->curexc_type;
+    local_value = tstate->curexc_value;
+    local_tb = tstate->curexc_traceback;
+    tstate->curexc_type = 0;
+    tstate->curexc_value = 0;
+    tstate->curexc_traceback = 0;
+#else
+    PyErr_Fetch(&local_type, &local_value, &local_tb);
+#endif
+    PyErr_NormalizeException(&local_type, &local_value, &local_tb);
+#if CYTHON_FAST_THREAD_STATE
+    if (unlikely(tstate->curexc_type))
+#else
+    if (unlikely(PyErr_Occurred()))
+#endif
+        goto bad;
+    #if PY_MAJOR_VERSION >= 3
+    if (local_tb) {
+        if (unlikely(PyException_SetTraceback(local_value, local_tb) < 0))
+            goto bad;
+    }
+    #endif
+    Py_XINCREF(local_tb);
+    Py_XINCREF(local_type);
+    Py_XINCREF(local_value);
+    *type = local_type;
+    *value = local_value;
+    *tb = local_tb;
+#if CYTHON_FAST_THREAD_STATE
+    tmp_type = tstate->exc_type;
+    tmp_value = tstate->exc_value;
+    tmp_tb = tstate->exc_traceback;
+    tstate->exc_type = local_type;
+    tstate->exc_value = local_value;
+    tstate->exc_traceback = local_tb;
+    Py_XDECREF(tmp_type);
+    Py_XDECREF(tmp_value);
+    Py_XDECREF(tmp_tb);
+#else
+    PyErr_SetExcInfo(local_type, local_value, local_tb);
+#endif
+    return 0;
+bad:
+    *type = 0;
+    *value = 0;
+    *tb = 0;
+    Py_XDECREF(local_type);
+    Py_XDECREF(local_value);
+    Py_XDECREF(local_tb);
+    return -1;
+}
+
 /* CodeObjectCache */
-  static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) {
+      static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) {
     int start = 0, mid = 0, end = count - 1;
     if (end >= 0 && code_line > entries[end].code_line) {
         return count;
@@ -5000,7 +6807,7 @@ static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object) {
 }
 
 /* AddTraceback */
-  #include "compile.h"
+      #include "compile.h"
 #include "frameobject.h"
 #include "traceback.h"
 static PyCodeObject* __Pyx_CreateCodeObjectForTraceback(
@@ -5073,15 +6880,99 @@ static void __Pyx_AddTraceback(const char *funcname, int c_line,
         0                    /*PyObject *locals*/
     );
     if (!py_frame) goto bad;
-    py_frame->f_lineno = py_line;
+    __Pyx_PyFrame_SetLineNumber(py_frame, py_line);
     PyTraceBack_Here(py_frame);
 bad:
     Py_XDECREF(py_code);
     Py_XDECREF(py_frame);
 }
 
-/* None */
-  #if CYTHON_CCOMPLEX
+/* CIntToPy */
+      static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value) {
+    const int neg_one = (int) -1, const_zero = (int) 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (is_unsigned) {
+        if (sizeof(int) < sizeof(long)) {
+            return PyInt_FromLong((long) value);
+        } else if (sizeof(int) <= sizeof(unsigned long)) {
+            return PyLong_FromUnsignedLong((unsigned long) value);
+#ifdef HAVE_LONG_LONG
+        } else if (sizeof(int) <= sizeof(unsigned PY_LONG_LONG)) {
+            return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
+#endif
+        }
+    } else {
+        if (sizeof(int) <= sizeof(long)) {
+            return PyInt_FromLong((long) value);
+#ifdef HAVE_LONG_LONG
+        } else if (sizeof(int) <= sizeof(PY_LONG_LONG)) {
+            return PyLong_FromLongLong((PY_LONG_LONG) value);
+#endif
+        }
+    }
+    {
+        int one = 1; int little = (int)*(unsigned char *)&one;
+        unsigned char *bytes = (unsigned char *)&value;
+        return _PyLong_FromByteArray(bytes, sizeof(int),
+                                     little, !is_unsigned);
+    }
+}
+
+/* CIntFromPyVerify */
+      #define __PYX_VERIFY_RETURN_INT(target_type, func_type, func_value)\
+    __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 0)
+#define __PYX_VERIFY_RETURN_INT_EXC(target_type, func_type, func_value)\
+    __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 1)
+#define __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, exc)\
+    {\
+        func_type value = func_value;\
+        if (sizeof(target_type) < sizeof(func_type)) {\
+            if (unlikely(value != (func_type) (target_type) value)) {\
+                func_type zero = 0;\
+                if (exc && unlikely(value == (func_type)-1 && PyErr_Occurred()))\
+                    return (target_type) -1;\
+                if (is_unsigned && unlikely(value < zero))\
+                    goto raise_neg_overflow;\
+                else\
+                    goto raise_overflow;\
+            }\
+        }\
+        return (target_type) value;\
+    }
+
+/* CIntToPy */
+      static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int64_t(int64_t value) {
+    const int64_t neg_one = (int64_t) -1, const_zero = (int64_t) 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (is_unsigned) {
+        if (sizeof(int64_t) < sizeof(long)) {
+            return PyInt_FromLong((long) value);
+        } else if (sizeof(int64_t) <= sizeof(unsigned long)) {
+            return PyLong_FromUnsignedLong((unsigned long) value);
+#ifdef HAVE_LONG_LONG
+        } else if (sizeof(int64_t) <= sizeof(unsigned PY_LONG_LONG)) {
+            return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
+#endif
+        }
+    } else {
+        if (sizeof(int64_t) <= sizeof(long)) {
+            return PyInt_FromLong((long) value);
+#ifdef HAVE_LONG_LONG
+        } else if (sizeof(int64_t) <= sizeof(PY_LONG_LONG)) {
+            return PyLong_FromLongLong((PY_LONG_LONG) value);
+#endif
+        }
+    }
+    {
+        int one = 1; int little = (int)*(unsigned char *)&one;
+        unsigned char *bytes = (unsigned char *)&value;
+        return _PyLong_FromByteArray(bytes, sizeof(int64_t),
+                                     little, !is_unsigned);
+    }
+}
+
+/* Declarations */
+      #if CYTHON_CCOMPLEX
   #ifdef __cplusplus
     static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float x, float y) {
       return ::std::complex< float >(x, y);
@@ -5100,61 +6991,86 @@ bad:
     }
 #endif
 
-/* None */
-  #if CYTHON_CCOMPLEX
+/* Arithmetic */
+      #if CYTHON_CCOMPLEX
 #else
-    static CYTHON_INLINE int __Pyx_c_eqf(__pyx_t_float_complex a, __pyx_t_float_complex b) {
+    static CYTHON_INLINE int __Pyx_c_eq_float(__pyx_t_float_complex a, __pyx_t_float_complex b) {
        return (a.real == b.real) && (a.imag == b.imag);
     }
-    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_sumf(__pyx_t_float_complex a, __pyx_t_float_complex b) {
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_sum_float(__pyx_t_float_complex a, __pyx_t_float_complex b) {
         __pyx_t_float_complex z;
         z.real = a.real + b.real;
         z.imag = a.imag + b.imag;
         return z;
     }
-    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_difff(__pyx_t_float_complex a, __pyx_t_float_complex b) {
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_diff_float(__pyx_t_float_complex a, __pyx_t_float_complex b) {
         __pyx_t_float_complex z;
         z.real = a.real - b.real;
         z.imag = a.imag - b.imag;
         return z;
     }
-    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_prodf(__pyx_t_float_complex a, __pyx_t_float_complex b) {
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_prod_float(__pyx_t_float_complex a, __pyx_t_float_complex b) {
         __pyx_t_float_complex z;
         z.real = a.real * b.real - a.imag * b.imag;
         z.imag = a.real * b.imag + a.imag * b.real;
         return z;
     }
-    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_quotf(__pyx_t_float_complex a, __pyx_t_float_complex b) {
-        __pyx_t_float_complex z;
-        float denom = b.real * b.real + b.imag * b.imag;
-        z.real = (a.real * b.real + a.imag * b.imag) / denom;
-        z.imag = (a.imag * b.real - a.real * b.imag) / denom;
-        return z;
+    #if 1
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_quot_float(__pyx_t_float_complex a, __pyx_t_float_complex b) {
+        if (b.imag == 0) {
+            return __pyx_t_float_complex_from_parts(a.real / b.real, a.imag / b.real);
+        } else if (fabsf(b.real) >= fabsf(b.imag)) {
+            if (b.real == 0 && b.imag == 0) {
+                return __pyx_t_float_complex_from_parts(a.real / b.real, a.imag / b.imag);
+            } else {
+                float r = b.imag / b.real;
+                float s = 1.0 / (b.real + b.imag * r);
+                return __pyx_t_float_complex_from_parts(
+                    (a.real + a.imag * r) * s, (a.imag - a.real * r) * s);
+            }
+        } else {
+            float r = b.real / b.imag;
+            float s = 1.0 / (b.imag + b.real * r);
+            return __pyx_t_float_complex_from_parts(
+                (a.real * r + a.imag) * s, (a.imag * r - a.real) * s);
+        }
+    }
+    #else
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_quot_float(__pyx_t_float_complex a, __pyx_t_float_complex b) {
+        if (b.imag == 0) {
+            return __pyx_t_float_complex_from_parts(a.real / b.real, a.imag / b.real);
+        } else {
+            float denom = b.real * b.real + b.imag * b.imag;
+            return __pyx_t_float_complex_from_parts(
+                (a.real * b.real + a.imag * b.imag) / denom,
+                (a.imag * b.real - a.real * b.imag) / denom);
+        }
     }
-    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_negf(__pyx_t_float_complex a) {
+    #endif
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_neg_float(__pyx_t_float_complex a) {
         __pyx_t_float_complex z;
         z.real = -a.real;
         z.imag = -a.imag;
         return z;
     }
-    static CYTHON_INLINE int __Pyx_c_is_zerof(__pyx_t_float_complex a) {
+    static CYTHON_INLINE int __Pyx_c_is_zero_float(__pyx_t_float_complex a) {
        return (a.real == 0) && (a.imag == 0);
     }
-    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_conjf(__pyx_t_float_complex a) {
+    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_conj_float(__pyx_t_float_complex a) {
         __pyx_t_float_complex z;
         z.real =  a.real;
         z.imag = -a.imag;
         return z;
     }
     #if 1
-        static CYTHON_INLINE float __Pyx_c_absf(__pyx_t_float_complex z) {
+        static CYTHON_INLINE float __Pyx_c_abs_float(__pyx_t_float_complex z) {
           #if !defined(HAVE_HYPOT) || defined(_MSC_VER)
             return sqrtf(z.real*z.real + z.imag*z.imag);
           #else
             return hypotf(z.real, z.imag);
           #endif
         }
-        static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_powf(__pyx_t_float_complex a, __pyx_t_float_complex b) {
+        static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_pow_float(__pyx_t_float_complex a, __pyx_t_float_complex b) {
             __pyx_t_float_complex z;
             float r, lnr, theta, z_r, z_theta;
             if (b.imag == 0 && b.real == (int)b.real) {
@@ -5172,14 +7088,14 @@ bad:
                     case 1:
                         return a;
                     case 2:
-                        z = __Pyx_c_prodf(a, a);
-                        return __Pyx_c_prodf(a, a);
+                        z = __Pyx_c_prod_float(a, a);
+                        return __Pyx_c_prod_float(a, a);
                     case 3:
-                        z = __Pyx_c_prodf(a, a);
-                        return __Pyx_c_prodf(z, a);
+                        z = __Pyx_c_prod_float(a, a);
+                        return __Pyx_c_prod_float(z, a);
                     case 4:
-                        z = __Pyx_c_prodf(a, a);
-                        return __Pyx_c_prodf(z, z);
+                        z = __Pyx_c_prod_float(a, a);
+                        return __Pyx_c_prod_float(z, z);
                 }
             }
             if (a.imag == 0) {
@@ -5189,7 +7105,7 @@ bad:
                 r = a.real;
                 theta = 0;
             } else {
-                r = __Pyx_c_absf(a);
+                r = __Pyx_c_abs_float(a);
                 theta = atan2f(a.imag, a.real);
             }
             lnr = logf(r);
@@ -5202,8 +7118,8 @@ bad:
     #endif
 #endif
 
-/* None */
-  #if CYTHON_CCOMPLEX
+/* Declarations */
+      #if CYTHON_CCOMPLEX
   #ifdef __cplusplus
     static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double x, double y) {
       return ::std::complex< double >(x, y);
@@ -5222,61 +7138,86 @@ bad:
     }
 #endif
 
-/* None */
-  #if CYTHON_CCOMPLEX
+/* Arithmetic */
+      #if CYTHON_CCOMPLEX
 #else
-    static CYTHON_INLINE int __Pyx_c_eq(__pyx_t_double_complex a, __pyx_t_double_complex b) {
+    static CYTHON_INLINE int __Pyx_c_eq_double(__pyx_t_double_complex a, __pyx_t_double_complex b) {
        return (a.real == b.real) && (a.imag == b.imag);
     }
-    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_sum(__pyx_t_double_complex a, __pyx_t_double_complex b) {
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_sum_double(__pyx_t_double_complex a, __pyx_t_double_complex b) {
         __pyx_t_double_complex z;
         z.real = a.real + b.real;
         z.imag = a.imag + b.imag;
         return z;
     }
-    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_diff(__pyx_t_double_complex a, __pyx_t_double_complex b) {
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_diff_double(__pyx_t_double_complex a, __pyx_t_double_complex b) {
         __pyx_t_double_complex z;
         z.real = a.real - b.real;
         z.imag = a.imag - b.imag;
         return z;
     }
-    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_prod(__pyx_t_double_complex a, __pyx_t_double_complex b) {
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_prod_double(__pyx_t_double_complex a, __pyx_t_double_complex b) {
         __pyx_t_double_complex z;
         z.real = a.real * b.real - a.imag * b.imag;
         z.imag = a.real * b.imag + a.imag * b.real;
         return z;
     }
-    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_quot(__pyx_t_double_complex a, __pyx_t_double_complex b) {
-        __pyx_t_double_complex z;
-        double denom = b.real * b.real + b.imag * b.imag;
-        z.real = (a.real * b.real + a.imag * b.imag) / denom;
-        z.imag = (a.imag * b.real - a.real * b.imag) / denom;
-        return z;
+    #if 1
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_quot_double(__pyx_t_double_complex a, __pyx_t_double_complex b) {
+        if (b.imag == 0) {
+            return __pyx_t_double_complex_from_parts(a.real / b.real, a.imag / b.real);
+        } else if (fabs(b.real) >= fabs(b.imag)) {
+            if (b.real == 0 && b.imag == 0) {
+                return __pyx_t_double_complex_from_parts(a.real / b.real, a.imag / b.imag);
+            } else {
+                double r = b.imag / b.real;
+                double s = 1.0 / (b.real + b.imag * r);
+                return __pyx_t_double_complex_from_parts(
+                    (a.real + a.imag * r) * s, (a.imag - a.real * r) * s);
+            }
+        } else {
+            double r = b.real / b.imag;
+            double s = 1.0 / (b.imag + b.real * r);
+            return __pyx_t_double_complex_from_parts(
+                (a.real * r + a.imag) * s, (a.imag * r - a.real) * s);
+        }
+    }
+    #else
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_quot_double(__pyx_t_double_complex a, __pyx_t_double_complex b) {
+        if (b.imag == 0) {
+            return __pyx_t_double_complex_from_parts(a.real / b.real, a.imag / b.real);
+        } else {
+            double denom = b.real * b.real + b.imag * b.imag;
+            return __pyx_t_double_complex_from_parts(
+                (a.real * b.real + a.imag * b.imag) / denom,
+                (a.imag * b.real - a.real * b.imag) / denom);
+        }
     }
-    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_neg(__pyx_t_double_complex a) {
+    #endif
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_neg_double(__pyx_t_double_complex a) {
         __pyx_t_double_complex z;
         z.real = -a.real;
         z.imag = -a.imag;
         return z;
     }
-    static CYTHON_INLINE int __Pyx_c_is_zero(__pyx_t_double_complex a) {
+    static CYTHON_INLINE int __Pyx_c_is_zero_double(__pyx_t_double_complex a) {
        return (a.real == 0) && (a.imag == 0);
     }
-    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_conj(__pyx_t_double_complex a) {
+    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_conj_double(__pyx_t_double_complex a) {
         __pyx_t_double_complex z;
         z.real =  a.real;
         z.imag = -a.imag;
         return z;
     }
     #if 1
-        static CYTHON_INLINE double __Pyx_c_abs(__pyx_t_double_complex z) {
+        static CYTHON_INLINE double __Pyx_c_abs_double(__pyx_t_double_complex z) {
           #if !defined(HAVE_HYPOT) || defined(_MSC_VER)
             return sqrt(z.real*z.real + z.imag*z.imag);
           #else
             return hypot(z.real, z.imag);
           #endif
         }
-        static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_pow(__pyx_t_double_complex a, __pyx_t_double_complex b) {
+        static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_pow_double(__pyx_t_double_complex a, __pyx_t_double_complex b) {
             __pyx_t_double_complex z;
             double r, lnr, theta, z_r, z_theta;
             if (b.imag == 0 && b.real == (int)b.real) {
@@ -5294,14 +7235,14 @@ bad:
                     case 1:
                         return a;
                     case 2:
-                        z = __Pyx_c_prod(a, a);
-                        return __Pyx_c_prod(a, a);
+                        z = __Pyx_c_prod_double(a, a);
+                        return __Pyx_c_prod_double(a, a);
                     case 3:
-                        z = __Pyx_c_prod(a, a);
-                        return __Pyx_c_prod(z, a);
+                        z = __Pyx_c_prod_double(a, a);
+                        return __Pyx_c_prod_double(z, a);
                     case 4:
-                        z = __Pyx_c_prod(a, a);
-                        return __Pyx_c_prod(z, z);
+                        z = __Pyx_c_prod_double(a, a);
+                        return __Pyx_c_prod_double(z, z);
                 }
             }
             if (a.imag == 0) {
@@ -5311,7 +7252,7 @@ bad:
                 r = a.real;
                 theta = 0;
             } else {
-                r = __Pyx_c_abs(a);
+                r = __Pyx_c_abs_double(a);
                 theta = atan2(a.imag, a.real);
             }
             lnr = log(r);
@@ -5325,56 +7266,7 @@ bad:
 #endif
 
 /* CIntToPy */
-  static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value) {
-    const int neg_one = (int) -1, const_zero = (int) 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (is_unsigned) {
-        if (sizeof(int) < sizeof(long)) {
-            return PyInt_FromLong((long) value);
-        } else if (sizeof(int) <= sizeof(unsigned long)) {
-            return PyLong_FromUnsignedLong((unsigned long) value);
-        } else if (sizeof(int) <= sizeof(unsigned PY_LONG_LONG)) {
-            return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
-        }
-    } else {
-        if (sizeof(int) <= sizeof(long)) {
-            return PyInt_FromLong((long) value);
-        } else if (sizeof(int) <= sizeof(PY_LONG_LONG)) {
-            return PyLong_FromLongLong((PY_LONG_LONG) value);
-        }
-    }
-    {
-        int one = 1; int little = (int)*(unsigned char *)&one;
-        unsigned char *bytes = (unsigned char *)&value;
-        return _PyLong_FromByteArray(bytes, sizeof(int),
-                                     little, !is_unsigned);
-    }
-}
-
-/* CIntFromPyVerify */
-  #define __PYX_VERIFY_RETURN_INT(target_type, func_type, func_value)\
-    __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 0)
-#define __PYX_VERIFY_RETURN_INT_EXC(target_type, func_type, func_value)\
-    __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 1)
-#define __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, exc)\
-    {\
-        func_type value = func_value;\
-        if (sizeof(target_type) < sizeof(func_type)) {\
-            if (unlikely(value != (func_type) (target_type) value)) {\
-                func_type zero = 0;\
-                if (exc && unlikely(value == (func_type)-1 && PyErr_Occurred()))\
-                    return (target_type) -1;\
-                if (is_unsigned && unlikely(value < zero))\
-                    goto raise_neg_overflow;\
-                else\
-                    goto raise_overflow;\
-            }\
-        }\
-        return (target_type) value;\
-    }
-
-/* CIntToPy */
-  static CYTHON_INLINE PyObject* __Pyx_PyInt_From_enum__NPY_TYPES(enum NPY_TYPES value) {
+      static CYTHON_INLINE PyObject* __Pyx_PyInt_From_enum__NPY_TYPES(enum NPY_TYPES value) {
     const enum NPY_TYPES neg_one = (enum NPY_TYPES) -1, const_zero = (enum NPY_TYPES) 0;
     const int is_unsigned = neg_one > const_zero;
     if (is_unsigned) {
@@ -5382,14 +7274,18 @@ bad:
             return PyInt_FromLong((long) value);
         } else if (sizeof(enum NPY_TYPES) <= sizeof(unsigned long)) {
             return PyLong_FromUnsignedLong((unsigned long) value);
+#ifdef HAVE_LONG_LONG
         } else if (sizeof(enum NPY_TYPES) <= sizeof(unsigned PY_LONG_LONG)) {
             return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
+#endif
         }
     } else {
         if (sizeof(enum NPY_TYPES) <= sizeof(long)) {
             return PyInt_FromLong((long) value);
+#ifdef HAVE_LONG_LONG
         } else if (sizeof(enum NPY_TYPES) <= sizeof(PY_LONG_LONG)) {
             return PyLong_FromLongLong((PY_LONG_LONG) value);
+#endif
         }
     }
     {
@@ -5401,7 +7297,7 @@ bad:
 }
 
 /* CIntFromPy */
-  static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *x) {
+      static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *x) {
     const int neg_one = (int) -1, const_zero = (int) 0;
     const int is_unsigned = neg_one > const_zero;
 #if PY_MAJOR_VERSION < 3
@@ -5468,8 +7364,10 @@ bad:
 #endif
             if (sizeof(int) <= sizeof(unsigned long)) {
                 __PYX_VERIFY_RETURN_INT_EXC(int, unsigned long, PyLong_AsUnsignedLong(x))
+#ifdef HAVE_LONG_LONG
             } else if (sizeof(int) <= sizeof(unsigned PY_LONG_LONG)) {
                 __PYX_VERIFY_RETURN_INT_EXC(int, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
+#endif
             }
         } else {
 #if CYTHON_USE_PYLONG_INTERNALS
@@ -5536,8 +7434,10 @@ bad:
 #endif
             if (sizeof(int) <= sizeof(long)) {
                 __PYX_VERIFY_RETURN_INT_EXC(int, long, PyLong_AsLong(x))
+#ifdef HAVE_LONG_LONG
             } else if (sizeof(int) <= sizeof(PY_LONG_LONG)) {
                 __PYX_VERIFY_RETURN_INT_EXC(int, PY_LONG_LONG, PyLong_AsLongLong(x))
+#endif
             }
         }
         {
@@ -5586,7 +7486,7 @@ raise_neg_overflow:
 }
 
 /* CIntToPy */
-  static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value) {
+      static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value) {
     const long neg_one = (long) -1, const_zero = (long) 0;
     const int is_unsigned = neg_one > const_zero;
     if (is_unsigned) {
@@ -5594,14 +7494,18 @@ raise_neg_overflow:
             return PyInt_FromLong((long) value);
         } else if (sizeof(long) <= sizeof(unsigned long)) {
             return PyLong_FromUnsignedLong((unsigned long) value);
+#ifdef HAVE_LONG_LONG
         } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) {
             return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
+#endif
         }
     } else {
         if (sizeof(long) <= sizeof(long)) {
             return PyInt_FromLong((long) value);
+#ifdef HAVE_LONG_LONG
         } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) {
             return PyLong_FromLongLong((PY_LONG_LONG) value);
+#endif
         }
     }
     {
@@ -5613,7 +7517,7 @@ raise_neg_overflow:
 }
 
 /* CIntFromPy */
-  static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *x) {
+      static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *x) {
     const long neg_one = (long) -1, const_zero = (long) 0;
     const int is_unsigned = neg_one > const_zero;
 #if PY_MAJOR_VERSION < 3
@@ -5680,8 +7584,10 @@ raise_neg_overflow:
 #endif
             if (sizeof(long) <= sizeof(unsigned long)) {
                 __PYX_VERIFY_RETURN_INT_EXC(long, unsigned long, PyLong_AsUnsignedLong(x))
+#ifdef HAVE_LONG_LONG
             } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) {
                 __PYX_VERIFY_RETURN_INT_EXC(long, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
+#endif
             }
         } else {
 #if CYTHON_USE_PYLONG_INTERNALS
@@ -5748,8 +7654,10 @@ raise_neg_overflow:
 #endif
             if (sizeof(long) <= sizeof(long)) {
                 __PYX_VERIFY_RETURN_INT_EXC(long, long, PyLong_AsLong(x))
+#ifdef HAVE_LONG_LONG
             } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) {
                 __PYX_VERIFY_RETURN_INT_EXC(long, PY_LONG_LONG, PyLong_AsLongLong(x))
+#endif
             }
         }
         {
@@ -5798,7 +7706,7 @@ raise_neg_overflow:
 }
 
 /* CheckBinaryVersion */
-  static int __Pyx_check_binary_version(void) {
+      static int __Pyx_check_binary_version(void) {
     char ctversion[4], rtversion[4];
     PyOS_snprintf(ctversion, 4, "%d.%d", PY_MAJOR_VERSION, PY_MINOR_VERSION);
     PyOS_snprintf(rtversion, 4, "%s", Py_GetVersion());
@@ -5814,7 +7722,7 @@ raise_neg_overflow:
 }
 
 /* ModuleImport */
-  #ifndef __PYX_HAVE_RT_ImportModule
+      #ifndef __PYX_HAVE_RT_ImportModule
 #define __PYX_HAVE_RT_ImportModule
 static PyObject *__Pyx_ImportModule(const char *name) {
     PyObject *py_name = 0;
@@ -5832,7 +7740,7 @@ bad:
 #endif
 
 /* TypeImport */
-  #ifndef __PYX_HAVE_RT_ImportType
+      #ifndef __PYX_HAVE_RT_ImportType
 #define __PYX_HAVE_RT_ImportType
 static PyTypeObject *__Pyx_ImportType(const char *module_name, const char *class_name,
     size_t size, int strict)
@@ -5897,7 +7805,7 @@ bad:
 #endif
 
 /* InitStrings */
-  static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) {
+      static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) {
     while (t->p) {
         #if PY_MAJOR_VERSION < 3
         if (t->is_unicode) {
@@ -5998,7 +7906,9 @@ static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) {
    else return PyObject_IsTrue(x);
 }
 static CYTHON_INLINE PyObject* __Pyx_PyNumber_IntOrLong(PyObject* x) {
+#if CYTHON_USE_TYPE_SLOTS
   PyNumberMethods *m;
+#endif
   const char *name = NULL;
   PyObject *res = NULL;
 #if PY_MAJOR_VERSION < 3
@@ -6007,8 +7917,9 @@ static CYTHON_INLINE PyObject* __Pyx_PyNumber_IntOrLong(PyObject* x) {
   if (PyLong_Check(x))
 #endif
     return __Pyx_NewRef(x);
+#if CYTHON_USE_TYPE_SLOTS
   m = Py_TYPE(x)->tp_as_number;
-#if PY_MAJOR_VERSION < 3
+  #if PY_MAJOR_VERSION < 3
   if (m && m->nb_int) {
     name = "int";
     res = PyNumber_Int(x);
@@ -6017,11 +7928,14 @@ static CYTHON_INLINE PyObject* __Pyx_PyNumber_IntOrLong(PyObject* x) {
     name = "long";
     res = PyNumber_Long(x);
   }
-#else
+  #else
   if (m && m->nb_int) {
     name = "int";
     res = PyNumber_Long(x);
   }
+  #endif
+#else
+  res = PyNumber_Int(x);
 #endif
   if (res) {
 #if PY_MAJOR_VERSION < 3
diff --git a/pdal/libpdalpython.pyx b/pdal/libpdalpython.pyx
index d049bee..0728cc1 100644
--- a/pdal/libpdalpython.pyx
+++ b/pdal/libpdalpython.pyx
@@ -2,6 +2,8 @@
 
 from libcpp.vector cimport vector
 from libcpp.string cimport string
+from libc.stdint cimport uint32_t, int64_t
+from libcpp cimport bool
 from cpython.version cimport PY_MAJOR_VERSION
 cimport numpy as np
 np.import_array()
@@ -9,16 +11,23 @@ np.import_array()
 from cpython cimport PyObject, Py_INCREF
 from cython.operator cimport dereference as deref, preincrement as inc
 
+
 cdef extern from "pdal/plang/Array.hpp" namespace "pdal::plang":
     cdef cppclass Array:
         void* getPythonArray() except+
 
-cdef extern from "Pipeline.hpp" namespace "libpdalpython":
+cdef extern from "PyPipeline.hpp" namespace "libpdalpython":
     cdef cppclass Pipeline:
         Pipeline(const char* ) except +
-        void execute() except +
-        const char* getJSON()
+        int64_t execute() except +
+        bool validate() except +
+        string getPipeline() except +
+        string getMetadata() except +
+        string getSchema() except +
+        string getLog() except +
         vector[Array*] getArrays() except +
+        int getLogLevel()
+        void setLogLevel(int)
 
 cdef class PyPipeline:
     cdef Pipeline *thisptr      # hold a c++ instance which we're wrapping
@@ -33,25 +42,52 @@ cdef class PyPipeline:
     def __dealloc__(self):
         del self.thisptr
 
-    property json:
+    property pipeline:
+        def __get__(self):
+            return self.thisptr.getPipeline().decode('UTF-8')
+
+    property metadata:
+        def __get__(self):
+            return self.thisptr.getMetadata().decode('UTF-8')
+
+    property loglevel:
+        def __get__(self):
+            return self.thisptr.getLogLevel()
+        def __set__(self, v):
+            self.thisptr.setLogLevel(v)
+
+    property log:
         def __get__(self):
-            return self.thisptr.getJSON().decode('UTF-8')
-
-    def arrays(self):
-        v = self.thisptr.getArrays()
-        output = []
-        cdef vector[Array*].iterator it = v.begin()
-        cdef Array* a
-        while it != v.end():
-            ptr = deref(it)
-            a = ptr#.get()
-            o = a.getPythonArray()
-            output.append(<object>o)
-            inc(it)
-        return output
+
+            return self.thisptr.getLog().decode('UTF-8')
+
+    property schema:
+        def __get__(self):
+            import json
+
+            j = self.thisptr.getSchema().decode('UTF-8')
+            return json.loads(j)
+
+    property arrays:
+        def __get__(self):
+            v = self.thisptr.getArrays()
+            output = []
+            cdef vector[Array*].iterator it = v.begin()
+            cdef Array* a
+            while it != v.end():
+                ptr = deref(it)
+                a = ptr#.get()
+                o = a.getPythonArray()
+                output.append(<object>o)
+                inc(it)
+            return output
 
     def execute(self):
         if not self.thisptr:
             raise Exception("C++ Pipeline object not constructed!")
-        self.thisptr.execute()
+        return self.thisptr.execute()
 
+    def validate(self):
+        if not self.thisptr:
+            raise Exception("C++ Pipeline object not constructed!")
+        return self.thisptr.validate()
diff --git a/pdal/pipeline.py b/pdal/pipeline.py
new file mode 100644
index 0000000..7cd7aef
--- /dev/null
+++ b/pdal/pipeline.py
@@ -0,0 +1,46 @@
+
+from pdal import libpdalpython
+
+class Pipeline(object):
+    """A PDAL pipeline object, defined by JSON. See http://www.pdal.io/pipeline.html for more
+    information on how to define one"""
+
+    def __init__(self, json):
+        if isinstance(json, str):
+            data = json
+        else:
+            data = json.decode('UTF-8')
+        self.p = libpdalpython.PyPipeline(data)
+
+    def get_metadata(self):
+        return self.p.metadata
+    metadata = property(get_metadata)
+
+    def get_schema(self):
+        return self.p.schema
+    schema = property(get_schema)
+
+    def get_pipeline(self):
+        return self.p.pipeline
+    pipeline = property(get_pipeline)
+
+    def get_loglevel(self):
+        return self.p.loglevel
+
+    def set_loglevel(self, v):
+        self.p.loglevel = v
+    loglevel = property(get_loglevel, set_loglevel)
+
+    def get_log(self):
+        return self.p.log
+    log = property(get_log)
+
+    def execute(self):
+        return self.p.execute()
+
+    def validate(self):
+        return self.p.validate()
+
+    def get_arrays(self):
+        return self.p.arrays
+    arrays = property(get_arrays)
diff --git a/pdal/pipeline_xml.py b/pdal/pipeline_xml.py
deleted file mode 100644
index 1b809f0..0000000
--- a/pdal/pipeline_xml.py
+++ /dev/null
@@ -1,62 +0,0 @@
-from xml.etree import ElementTree
-import pdal
-
-
-class XMLElement(object):
-
-    def __init__(self):
-        self.source = None
-
-    def xml(self):
-        element = ElementTree.Element(self.tag, self.attrib)
-        if self.source:
-            try:
-                sources = iter(self.source)
-            except TypeError:
-                sources = [self.source]
-            for source in sources:
-                element.append(source.xml())
-        return element
-
-
-class Pipeline(XMLElement):
-
-    tag = 'Pipeline'
-
-    def __init__(self, customversion=None):
-        super(Pipeline, self).__init__()
-        self.attrib = {'version': customversion or pdal.__version__}
-
-    def xml(self):
-        element = super(Pipeline, self).xml()
-        return ElementTree.ElementTree(element)
-
-
-class PipelineComponent(XMLElement):
-
-    def __init__(self, drivertype):
-        super(PipelineComponent, self).__init__()
-        self.attrib = {'type': self.typeformat % drivertype}
-
-
-class Stage(PipelineComponent):
-    pass
-
-
-class Reader(Stage):
-    tag = 'Reader'
-    typeformat = 'readers.%s'
-
-
-class Filter(Stage):
-    tag = 'Filter'
-    typeformat = 'filters.%s'
-
-
-class MultiFilter(Filter):
-    tag = 'MultiFilter'
-
-
-class Writer(PipelineComponent):
-    tag = 'Writer'
-    typeformat = 'writers.%s'
diff --git a/setup.py b/setup.py
index a74b90e..0542234 100644
--- a/setup.py
+++ b/setup.py
@@ -44,12 +44,15 @@ if 'PDAL_CONFIG' in os.environ:
     log.debug('pdal_config: %s', pdal_config)
 else:
     pdal_config = 'pdal-config'
+    # in case of windows...
+    if os.name in ['nt']:
+        pdal_config += '.bat'
 
 
 def get_pdal_config(option):
     '''Get configuration option from the `pdal-config` development utility
 
-    This code was adapted from Shaply's pdal-config stuff
+    This code was adapted from Shapely's geos-config stuff
     '''
     import subprocess
     pdal_config = globals().get('pdal_config')
@@ -77,9 +80,7 @@ module_version = None
 with open('pdal/__init__.py', 'r') as fp:
     for line in fp:
         if line.startswith("__version__"):
-
-            module_version = Version(
-                line.split("=")[1].strip().strip("\"'"))
+            module_version = Version(line.split("=")[1].strip().strip("\"'"))
             break
 
 if not module_version:
@@ -128,12 +129,17 @@ if pdal_config and "clean" not in sys.argv:
     except ValueError:
         pass
 
+    separator = ':'
+    if os.name in ['nt']:
+        separator = ';'
+
     for item in get_pdal_config('--includes').split():
         if item.startswith("-I"):
-            include_dirs.extend(item[2:].split(":"))
+            include_dirs.extend(item[2:].split(separator))
+
     for item in get_pdal_config('--libs').split():
         if item.startswith("-L"):
-            library_dirs.extend(item[2:].split(":"))
+            library_dirs.extend(item[2:].split(separator))
         elif item.startswith("-l"):
             libraries.append(item[2:])
 
@@ -145,7 +151,7 @@ DEBUG=False
 if DEBUG:
     extra_compile_args += ['-g','-O0']
 
-sources=['pdal/libpdalpython'+ext,"pdal/Pipeline.cpp",  ]
+sources=['pdal/libpdalpython'+ext, "pdal/PyPipeline.cpp"  ]
 extensions = [DistutilsExtension("*",
                                    sources,
                                    include_dirs=include_dirs,
diff --git a/test/__init__.py b/test/__init__.py
index d5c8c8b..8a3c854 100644
--- a/test/__init__.py
+++ b/test/__init__.py
@@ -1,5 +1,3 @@
 import sys
 DATADIRECTORY = sys.argv.pop()
-print (DATADIRECTORY)
-from test.test_libpdal import test_suite
 from test.test_pipeline import test_suite
diff --git a/test/test_libpdal.py b/test/test_libpdal.py
deleted file mode 100644
index ce3c9bc..0000000
--- a/test/test_libpdal.py
+++ /dev/null
@@ -1,74 +0,0 @@
-import pdal
-from pdal import libpdalpython
-import unittest
-import os
-
-DATADIRECTORY = os.environ.get('PDAL_TEST_DIR')
-if not DATADIRECTORY:
-    DATADIRECTORY = "../test"
-
-class TestPDALArray(unittest.TestCase):
-
-  DATADIRECTORY = os.environ.get('PDAL_TEST_DIR')
-  if not DATADIRECTORY:
-      DATADIRECTORY = "../test"
-
-  def fetch_json(self, filename):
-    import os
-    fn = DATADIRECTORY + os.path.sep +  filename
-    output = ''
-    with open(fn, 'rb') as f:
-        output = f.read().decode('UTF-8')
-    return output
-
-  @unittest.skipUnless(os.path.exists(os.path.join(DATADIRECTORY, 'data/pipeline/pipeline_read.json')),
-                       os.path.join(DATADIRECTORY, 'data/pipeline/pipeline_read.json'))
-  def test_construction(self):
-    """Can we construct a PDAL pipeline"""
-    json = self.fetch_json('/data/pipeline/pipeline_read.json')
-    r = libpdalpython.PyPipeline(json)
-
-  @unittest.skipUnless(os.path.exists(os.path.join(DATADIRECTORY, 'data/pipeline/pipeline_read.json')),
-                       "missing test data")
-  def test_execution(self):
-    """Can we execute a PDAL pipeline"""
-    x = self.fetch_json('/data/pipeline/pipeline_read.json')
-    r = libpdalpython.PyPipeline(x)
-    r.execute()
-    import sys
-    self.assertGreater(len(r.json), 200)
-
-  @unittest.skipUnless(os.path.exists(os.path.join(DATADIRECTORY, 'data/pipeline/pipeline_read.json')),
-                       "missing test data")
-  def test_array(self):
-    """Can we fetch PDAL data as a numpy array"""
-    json = self.fetch_json('/data/pipeline/pipeline_read.json')
-    r = libpdalpython.PyPipeline(json)
-    r.execute()
-    arrays = r.arrays()
-    self.assertEqual(len(arrays), 1)
-
-    a = arrays[0]
-    self.assertAlmostEqual(a[0][0], 637012.24, 7)
-    self.assertAlmostEqual(a[1064][2], 423.92, 7)
-
-  @unittest.skipUnless(os.path.exists(os.path.join(DATADIRECTORY, 'data/filters/chip.json')),
-                       "missing test data")
-  def test_merged_arrays(self):
-    """Can we fetch merged PDAL data """
-    json = self.fetch_json('/data/filters/chip.json')
-    r = libpdalpython.PyPipeline(json)
-    r.execute()
-    arrays = r.arrays()
-    self.assertEqual(len(arrays), 43)
-    # data are going to all be a little different
-    # due to sorting not being stable
-#     for a in arrays:
-#         self.assertAlmostEqual(a[0][0], 494057.30, 2)
-#         self.assertAlmostEqual(a[0][2], 130.63, 2)
-def test_suite():
-    return unittest.TestSuite(
-        [TestPDALArray])
-
-if __name__ == '__main__':
-    unittest.main()
diff --git a/test/test_pipeline.py b/test/test_pipeline.py
index cd6be3d..e906150 100644
--- a/test/test_pipeline.py
+++ b/test/test_pipeline.py
@@ -1,47 +1,115 @@
 import unittest
 import pdal
-import pdal.pipeline_xml as pxml
-
-class TestXML(unittest.TestCase):
-
-    def test_simplest_xml(self):
-        p = pxml.Pipeline()
-        p.source = pxml.Reader('foo')
-        xml = p.xml()
-        self.assertEqual(xml.getroot().attrib['version'], pdal.__version__)
-        self.assertEqual(xml.find('Reader').attrib['type'],
-                         'readers.foo')
-
-    def test_writer(self):
-        xml = pxml.Writer('bar').xml()
-        self.assertEqual(xml.tag, 'Writer')
-        self.assertEqual(xml.attrib['type'], 'writers.bar')
-
-    def test_pipeline_version(self):
-        xml = pxml.Pipeline('custom version').xml()
-        self.assertEqual(xml.getroot().attrib['version'], 'custom version')
-
-    def test_filter(self):
-        xml = pxml.Filter('foo').xml()
-        self.assertEqual(xml.tag, 'Filter')
-        self.assertEqual(xml.attrib['type'], 'filters.foo')
-
-    def test_multifilter(self):
-        xml = pxml.MultiFilter('foo').xml()
-        self.assertEqual(xml.tag, 'MultiFilter')
-        self.assertEqual(xml.attrib['type'], 'filters.foo')
-
-    def test_writer_source(self):
-        writer = pxml.Writer('foo')
-        writer.source = pxml.Reader('bar')
-        xml = writer.xml()
-        self.assertTrue(xml.find('Reader') is not None)
-
-    def test_multifilter_source(self):
-        mfilter = pxml.MultiFilter('multi')
-        mfilter.source = [pxml.Reader('foo'), pxml.Reader('bar')]
-        xml = mfilter.xml()
-        self.assertEqual(len(xml.findall('Reader')), 2)
+import os
+
+DATADIRECTORY = os.environ.get('PDAL_TEST_DIR')
+if not DATADIRECTORY:
+    DATADIRECTORY = "../test"
+
+bad_json = u"""
+{
+  "pipeline": [
+    "nofile.las",
+    {
+        "type": "filters.sort",
+        "dimension": "X"
+    }
+  ]
+}
+"""
+
+class TestPipeline(unittest.TestCase):
+
+    DATADIRECTORY = os.environ.get('PDAL_TEST_DIR')
+    if not DATADIRECTORY:
+        DATADIRECTORY = "../test"
+    def fetch_json(self, filename):
+        import os
+        fn = DATADIRECTORY + os.path.sep +  filename
+        output = ''
+        with open(fn, 'rb') as f:
+            output = f.read().decode('UTF-8')
+        return output
+
+    @unittest.skipUnless(os.path.exists(os.path.join(DATADIRECTORY, 'data/pipeline/sort.json')),
+                         os.path.join(DATADIRECTORY, 'data/pipeline/sort.json'))
+    def test_construction(self):
+        """Can we construct a PDAL pipeline"""
+        json = self.fetch_json('/data/pipeline/sort.json')
+        r = pdal.Pipeline(json)
+
+    @unittest.skipUnless(os.path.exists(os.path.join(DATADIRECTORY, 'data/pipeline/sort.json')),
+                           "missing test data")
+    def test_execution(self):
+        """Can we execute a PDAL pipeline"""
+        x = self.fetch_json('/data/pipeline/sort.json')
+        r = pdal.Pipeline(x)
+        r.execute()
+        self.assertGreater(len(r.pipeline), 200)
+
+    def test_validate(self):
+        """Do we complain with bad pipelines"""
+        r = pdal.Pipeline(bad_json)
+        with self.assertRaises(RuntimeError):
+            r.validate()
+
+    @unittest.skipUnless(os.path.exists(os.path.join(DATADIRECTORY, 'data/pipeline/sort.json')),
+                         "missing test data")
+    def test_array(self):
+        """Can we fetch PDAL data as a numpy array"""
+        json = self.fetch_json('/data/pipeline/sort.json')
+        r = pdal.Pipeline(json)
+        r.execute()
+        arrays = r.arrays
+        self.assertEqual(len(arrays), 1)
+
+        a = arrays[0]
+        self.assertAlmostEqual(a[0][0], 635619.85, 7)
+        self.assertAlmostEqual(a[1064][2], 456.92, 7)
+
+    def test_metadata(self):
+        """Can we fetch PDAL metadata"""
+        json = self.fetch_json('/data/pipeline/sort.json')
+        r = pdal.Pipeline(json)
+        r.execute()
+        metadata = r.metadata
+        import json
+        j = json.loads(metadata)
+        self.assertEqual(j["metadata"]["readers.las"]["count"], 1065)
+
+
+    def test_no_execute(self):
+        """Does fetching arrays without executing throw an exception"""
+        json = self.fetch_json('/data/pipeline/sort.json')
+        r = pdal.Pipeline(json)
+        with self.assertRaises(RuntimeError):
+            r.arrays
+
+    def test_logging(self):
+        """Can we fetch log output"""
+        json = self.fetch_json('/data/pipeline/reproject.json')
+        r = pdal.Pipeline(json)
+        r.loglevel = 8
+        count = r.execute()
+        self.assertEqual(count, 789)
+        self.assertEqual(r.log.split()[0], '(pypipeline')
+
+    def test_schema(self):
+        """Fetching a schema works"""
+        json = self.fetch_json('/data/pipeline/sort.json')
+        r = pdal.Pipeline(json)
+        r.execute()
+        self.assertEqual(r.schema['schema']['dimensions'][0]['name'], 'X')
+
+    @unittest.skipUnless(os.path.exists(os.path.join(DATADIRECTORY, 'data/filters/chip.json')),
+                           "missing test data")
+    def test_merged_arrays(self):
+        """Can we fetch multiple point views from merged PDAL data """
+        json = self.fetch_json('/data/filters/chip.json')
+        r = pdal.Pipeline(json)
+        r.execute()
+        arrays = r.arrays
+        self.assertEqual(len(arrays), 43)
 
 def test_suite():
     return unittest.TestSuite(

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