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Question

I would like to make a GIF animation out of a series of functional shadings. But it seems ImageMagick cannot even handle one shading. Did I miss any option of ImageMagick? Or are there any alternatives?

Story

The PGF manual proposed a beautiful shading

of which an MWE is as follows

\documentclass[tikz]{standalone}
\usetikzlibrary{shadings}
\begin{document}
\tikz\shade[shading=Mandelbrot set](0,0)rectangle(2,2);
\end{document}

Then I found that ImageMagick does not convert the resulting PDF properly. For instance with

convert -density 1440 in.pdf out.gif

it gives

closed as off-topic by Symbol 1, Mico, Torbjørn T., user31729, user36296 Mar 21 '17 at 20:55

  • This question does not fall within the scope of TeX, LaTeX or related typesetting systems as defined in the help center.
If this question can be reworded to fit the rules in the help center, please edit the question.

  • 1
    I like that "glitchy" effect. – Clément Feb 24 '16 at 15:28
  • 1
    @Clément That is the annoying part! ImageMagick definitely knows functional shading, but it behaves like it is unwilling to deal with it. – Symbol 1 Feb 24 '16 at 15:31
  • Yes, I know! I tried other options with gs, with dvi outputs, and get the same (or even worst) results. What makes you think the problem comes from PGF and not from ImageMagick? – Clément Feb 24 '16 at 15:34
  • @Clément It would be nice if "it is PGF's fault and we can find other ways to generate functional shadings". In this manner, even TeX is not really necessary. – Symbol 1 Feb 24 '16 at 15:50
  • 5
    I'm voting to close this question as off-topic because it is related to (problematic) optimization of external script (Ghostscript and ImageMagick) – Symbol 1 Mar 21 '17 at 20:18

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