[GRASS-dev] [GRASS GIS] #3600: m.nviz.image doesn't produce any output

[GRASS GIS]

#3600: m.nviz.image doesn't produce any output
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  Reporter:  guano        |      Owner:  grass-dev@…
      Type:  defect       |     Status:  new
  Priority:  normal       |  Milestone:
 Component:  Default      |    Version:  7.0.4
Resolution:               |   Keywords:
       CPU:  Unspecified  |   Platform:  MacOSX
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Comment (by hcho):

 You can remove my patch by commenting out line 221 {{{GS_set_viewport}}}
 from lib/nviz/render.c and try the original issue. Because of my another
 patch, you should get a warning "Unable to get image of current GL
 screen".

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Ticket URL: <https://trac.osgeo.org/grass/ticket/3600#comment:41>
GRASS GIS <https://grass.osgeo.org>