[GRASS-dev] Re: [GRASS GIS] #943: wxpython gui hangs after switching to cairo display driver

GRASS GIS trac at osgeo.org
Thu Feb 18 03:56:15 EST 2010


#943: wxpython gui hangs after switching to cairo display driver
----------------------+-----------------------------------------------------
  Reporter:  epatton  |       Owner:  grass-dev at lists.osgeo.org   
      Type:  defect   |      Status:  new                         
  Priority:  normal   |   Milestone:  6.5.0                       
 Component:  Display  |     Version:  svn-develbranch6            
Resolution:           |    Keywords:  cairo, driver, gui, wxpython
  Platform:  Linux    |         Cpu:  x86-64                      
----------------------+-----------------------------------------------------
Comment (by glynn):

 Replying to [comment:5 hamish]:

 > this still locks up with 64bit grass 6.5 + debian/stable.
 >
 > I wonder if it is the different enviro vars needed for Cairo in 6.5?
 >
 {{{
 export GRASS_CAIRO_READ=TRUE
 export GRASS_CAIRO_MAPPED=TRUE
 export GRASS_CAIROFILE=map.png
 }}}

 GRASS_CAIRO_MAPPED only works with BMP images, not any of the other
 formats. If the filename doesn't end in ".bmp", GRASS_CAIRO_MAPPED is
 silently ignored.

 The file must have the correct size (width * height * 4 + HEADER_SIZE
 bytes).

-- 
Ticket URL: <https://trac.osgeo.org/grass/ticket/943#comment:7>
GRASS GIS <http://grass.osgeo.org>


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