Bug#895865: dxf2gcode: Infinite spin attempting to load DXF file
Paul "LeoNerd" Evans
leonerd at leonerd.org.uk
Wed Apr 18 11:24:19 BST 2018
retitle 895865 dxf2gcode: Very slow loading DXF file
On Tue, 17 Apr 2018 13:13:53 -0600
Sebastian Kuzminsky <seb at highlab.com> wrote:
> I can't reproduce this bug with the attached DXF file. When I run
> "dxf2gcode top.dxf" it thinks about it for about 17 seconds, then
> loads successfully. This is on a fairly beefy amd64 machine with
> lots of CPUs and RAM, and a max clock frequency of 3.5 GHz.
>
> After loading the file, dxf2gcode does pop up a warning window that
> says "Length of some Elements too short! Length must be greater than
> tolerance. Skipped Geometries"
>
> Please try giving it more time to finish and see if that makes it
> load the file successfully.
Ah; indeed. My i7-2620 @ 2.7GHz took about 25 seconds but did indeed
successfully load it in the end.
Given as the layout only contains 68 circular holes (64 in an 8x8 grid
plus 4 others), this feels like an inordinately long time though. It
still seems like a bug somehow - but I wonder if in fact the bug is in
Inkscape, for having generated such a large (in term of bytes) DXF file
containing so many tiny arc segments, for such a simple geometry.
In case it would help to compare, attached now is also the original SVG
file I made in Inkscape. I used "Save As" to export an R14 DXF file.
--
Paul "LeoNerd" Evans
leonerd at leonerd.org.uk | https://metacpan.org/author/PEVANS
http://www.leonerd.org.uk/ | https://www.tindie.com/stores/leonerd/
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