Can a LyX/LaTeX file be too large to create a PDF?

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I've been working on my bachelors thesis in LyX for about a month without encountering any problems and today, all of a sudden, when creating a PDF LyX just loads indefinitely and even asks me at some point if I want to stop the PDF creating since it takes such a long time. Am I doing something wrong? I have about 100 pages and the PDFs I created lately have been around 100 mb large since they hold very high res images and a lot of them.

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latexpdflatexlyx
So I found out by now that LyX for some reason converts my images into eps files and tries to load them I think? Problem being that these files range from 1 mb to 20 mb in size. Can I somehow tell LyX to use my jpegs and pngs instead? – 1337_N00B
I think you can tell LyX to do that by modifying the converters. See e.g., Tools > Preferences > File Handling > Converters. For more information, read through Help > Customization. If nothing else works, maybe just convert the PDFs to raster images on your own and input those to LyX directly? – scottkosty

1 Answers

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In case anyone is struggling with the "convert" functionality usage in Lyx, this is some additional info:

Initially I struggled to make eps to load and be displayed on screen as well as to get it exported to PDF file. I saw that the Lyx latest install had already all "convert blah-blah $$ii $$o" commands predefined and it was still not working.

Here is what worked for me:

sudo mv /etc/ImageMagick-6/policy.xml /etc/ImageMagick-6/policy.xmlout

Here there are two parts -

a) imagemagick needs to be installed on the machine as it provides most of the converters. Following command on terminal would check if imagemagick is installed or not on your system.

identify -version

b) Imagemagick tools should be "allowed" to run - "convert" being one of those. You need to relax some default security policies for that. That is what the above renaming of the policy file does. Detailed information is given in answer to this question on ubuntu forum.

Note - This security policy relaxation is not recommended for web-server machines. Only desktop users may take the risk.