66.5 PDF Conversions
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Conversion to PDF
LibreOffice supports conversion of Microsoft Office and LibreOffice documents to pdf. See Section 5.5.
Conversion from PDF
ImageMagick provides considerable functionality for image conversion, including converting from pdf to png.
To convert from pdf to png a -denisty of
300 and -resize 50% seems to work well:
Conversion Troubleshooting
This can fail due to an ImageMagick security policy when the GhostScript interpreter is being used in handling pdf files.
$ convert my.png my.pdf
convert-im6.q16: attempt to perform an operation not allowed by the security policy `PDF' @ error/constitute.c/IsCoderAuthorized/426.You may like to research the risk and then override the policy by
editting /etc/ImageMagick-6/policy.xml to comment out the
appropriate policy line:
<!-- policy domain="coder" rights="none" pattern="PDF" / -->Your donation will support ongoing availability and give you access to the PDF version of this book. Desktop Survival Guides include Data Science, GNU/Linux, and MLHub. Books available on Amazon include Data Mining with Rattle and Essentials of Data Science. Popular open source software includes rattle, wajig, and mlhub. Hosted by Togaware, a pioneer of free and open source software since 1984. Copyright © 1995-2022 Graham.Williams@togaware.com Creative Commons Attribution-ShareAlike 4.0
