[GRASS-dev] [GRASS GIS] #3367: g.gui.animation: animated GIF export generates corrupted GIF files

[GRASS GIS]

#3367: g.gui.animation: animated GIF export generates corrupted GIF files
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  Reporter:  neteler  |      Owner:  grass-dev@…
      Type:  defect   |     Status:  reopened
  Priority:  normal   |  Milestone:  7.2.2
 Component:  wxGUI    |    Version:  svn-releasebranch72
Resolution:           |   Keywords:  g.gui.animation
       CPU:  x86-64   |   Platform:  Linux
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Comment (by annakrat):

 Replying to [comment:17 martinl]:
 > Replying to [comment:16 veroandreo]:
 > > Tested here having python2-pillow-3.4.2-1. Now, it works, but as you
 say the GIF doesn't look so good in terms of definition of the images.
 They look noisy, as when you increase ISO in the camera.
 >
 > I can confirm it. I have `python-pil 4.2.1-1`. See attachment:noisy.gif
 created by
 >
 > {{{
 > import os
 > from PIL import Image
 > from grass.imaging import writeGif
 >
 > color_path = os.path.join(os.environ['GISBASE'], "docs", "html",
 "colortables")
 > pil_images = [Image.open(os.path.join(color_path, c)) for c in
 os.listdir(color_path)]
 > writeGif('/tmp/test.gif', pil_images, duration=0.2, repeat=True)
 > }}}
 >
 >

 Could you test r71485? I used quantize function and it seems better.

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Ticket URL: <https://trac.osgeo.org/grass/ticket/3367#comment:20>
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