[GRASS-dev] winGRASS OSGeo4W crashes when switching to 3D view

[Helmut Kudrnovsky]

Markus Neteler wrote
> Hi,
> 
> while teaching our IRSAE course
> (http://gis.cri.fmach.it/grass-gis-and-r-course/) we did not have
> success to perform a NVIZ exercise on Windows.
> 
> Switching to 3D mode leads to a GUI crash when loading the "elevation"
> DEM. We used "elevation" in the new (yet to be improved) Piemont
> location [1].
> No error message shown, just crash.
> 
> If anyone wants to test:
> 
> wget http://geodati.fmach.it/gfoss_geodata/grassdata_course_version1.7z
> 
> # unpack (7a is contained eg in p7zip-plugins package):
> 7z x grassdata_course_version1.7z
> 
> --> grassdata_piemonte/user1
> 
> Note: It is a new issue since 7.0.1, in 7.0.0 which is installed on
> the same machine no such issue.
> 
> I suspect that it is the elevation map size causing the issue since
> the DEM is larger than that of the NC dataset.
> 
> Markus

I confirm this. in large regions, 3D view crashes.

tested here with

System Info                                                                     
GRASS Version: 7.0.2   

and

System Info                                                                     
GRASS Version: 7.1.svn 

and the piemonte data set (but also with other large rasters):

g.region -p -a raster=elevation at PERMANENT align=elevation at PERMANENT             
projection: 1 (UTM)
zone:       32
datum:      wgs84
ellipsoid:  wgs84
north:      5146000
south:      4879500
west:       313000
east:       517000
nsres:      25
ewres:      25
rows:       10660
cols:       8160
cells:      86985600

attached a debug=3 output ( wxnviz_debug.txt
<http://osgeo-org.1560.x6.nabble.com/file/n5243063/wxnviz_debug.txt>  )






-----
best regards
Helmut
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