[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
----------------------+---------------------------------
  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 hellik):

 Replying to [comment:10 annakrat]:
 > Could you test any of the available versions of images2gif.py files from
 different repositories? I found couple for example:
 >
 >
 https://bitbucket.org/bench/images2gif.py/raw/a618bd8fc352f278a3b0c777cb6427ec39236f0a/images2gif.py
 >
 >
 > https://github.com/isaacgerg/images2gif/blob/master/images2gif.py
 >
 > https://gist.github.com/jonschoning/7216290
 >
 >
 https://github.com/rec/echomesh/blob/master/code/python/external/images2gif.py
 >
 > If you replace the import with
 >
 > {{{ from images2gif import writeGif}}}
 >
 > then the test code snippet should work.

 tested here with

 {{{
 System Info
 GRASS version: 7.3.svn
 GRASS SVN revision: r71251
 Build date: 2017-07-09
 Build platform: x86_64-w64-mingw32
 GDAL: 2.2.1
 PROJ.4: 4.9.3
 GEOS: 3.5.0
 SQLite: 3.17.0
 Python: 2.7.5
 wxPython: 2.8.12.1
 Platform: Windows-8-6.2.9200 (OSGeo4W)
 }}}

 and no change in images2gif.

 the gif is exported, but it's not displayed correctly. only the first
 frame is shown and the next frames are white

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Ticket URL: <https://trac.osgeo.org/grass/ticket/3367#comment:11>
GRASS GIS <https://grass.osgeo.org>