Created attachment 1162630 [details]
pdf will not render on evince/okular
Description of problem:
evince does not render a pdf correctly
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. open attached bowl.pdf file
both firefox and chrome renders it correctly
okular and Foxit do not render it correctly either, so it is probably an issue with some underlying library. I suspect the mesh density in the cone on the picture is too high and that confuses the renderer.
could you attach screenshot of the partial rendering?
Created attachment 1162821 [details]
bad rendering by evince
Created attachment 1162835 [details]
bad rendering by okular
which application created the PDF? The PDF is incorrect. It contains "-nan" where should be numbers between 0.0 and 1.0 (for RG operator).
That was octave --> gnuplot --> cairo library.
So I'm reassigning this to cairo so its maintainer can check whether it is a bug in cairo.
It appears to be both bugs in octave (for sending wrong command to gnuplot) and in gnuplot (for not error out the wrong parameter). See:
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