[sane-devel] Merging multiple images into PDF

Skorous skorous at gmail.com
Thu Oct 19 16:46:54 UTC 2006


I've just been using a simple python script which feeds each pnm file to
pnmtops and concat's the output into a huge array which is then feeds to
ps2pdf. Works pretty well and really simple.

On 10/19/06, Kristian Fiskerstrand <news at kfwebs.net> wrote:
>
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> Greetings list,
>
> I recently purchased an Epson Perfection 4490 Office W/Document Feeder
> (ADF) and it is working very nicely using iscan (
> http://www.avasys.jp/english/linux_e/dl_scan.html ) .
>
> The reason for getting this scanner in the first place was a discussion
> on this list where it was recommended, so thank you.
>
> Now, I only have one question with regards to it, and that is merging
> multiple images into a single PDF file. When scanning I get files in the
> format somename-####.jpg , .pnm or .png depending on the format I
> specify. and I would very much like to merge them into a single file to
> send out.
>
> I've tried to get this to work using a couple of different approaches.
> Using ImageMagick's convert was one of them, both into PDF directly and
> into PostScript and convert it to PDF using ps2pdf afterwards, but both
> of these approaches were un-successful in the terms of acceptable
> output. I tried adjusting -density and -page but I still don't get
> acceptable output from my 300dpi scans.
>
> In addition I tried a perl script called jpg2pdf, which is supposed to
> generate "albums" from multiple images, but that as well was unsuccessful.
>
> After that I considered creating my own online PDF-service using FPDF (
> http://www.fpdf.org/ ), but the initial testing shows that the cropping
> gets all wrong. That said this is the approach that has gotten me the
> furthest as of yet and that I'm most likely to persue unless someone has
> a good suggestion for me. The downside is of course the transfer of >
> 1MB image files and downloading the resulting PDF file again.
>
> Yours sincerely,
>
> - --
> - ----------------------------
> Kristian Fiskerstrand
> http://www.kfwebs.net
> - ----------------------------
> http://www.scanners-on-linux.com
> http://www.secure-my-email.com
> http://www.secure-my-internet.com
>
>
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>
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