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In QGIS project, we are using Sphinx to create our documentation as HTML and PDF. We are having a bit of a problem with figures as they show a bit blurry in PDF. I found out that the reason is because texi2pdf default DPI is 72.

I would like to set it to something like 135dpi.

I have read somewhere that I should use \pdfimageresolution for this; I tried to use it as:

latex_preamble = r"""\pdfimageresolution135"""

in the sphinx conf.py file, but with no results.

Can anyone explain me if this is the right direction, or what is being done wrong?

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