[GRASS-dev] GL + PPM + nviz

[Markus Neteler]

Glynn Clements wrote on 09/08/2006 04:48 AM:
> Brad Douglas wrote:
>
>   
>> We had tracked this down and fixed it once already.  It's back:
>>
>> Creating PBuffer Using GLX 1.3
>> X Error of failed request:  GLXUnsupportedPrivateRequest
>>   Major opcode of failed request:  143 (GLX)
>>   Minor opcode of failed request:  16 (X_GLXVendorPrivate)
>>   Serial number of failed request:  21
>>   Current serial number in output stream:  22
>>
>> This happens specifically when trying to export high resolution PPM from
>> nviz.
>> http://grass.itc.it/pipermail/grass5/2006-June/023868.html
>>     
>
> If they don't work, you can turn them off:
>
> 	export GRASS_NO_GLX_PBUFFERS=1
> 	export GRASS_NO_GLX_PIXMAPS=1
>
> I'm starting to get really curious as to whether either pBuffers or
> GLX Pixmaps actually work for *anyone*.
>
>   
It does no longer work for me (it did in the past):
[64bit RHEL4]

recalculating normals...
% Creating PBuffer Using GLX 1.3
Final Assembled Image will be 4096 x 3781
Writing Tile 1 of 1
Cannot open file for output.
Assembling Tiles
sh: /hardmnt/bartok0/ssi/neteler/software/cvsgrass61//tmp/dddtmp1.ppm:
No such file or directory
pnmcat failed to create assembled image
Check that pnmcat is installed and path is set
sh: /hardmnt/bartok0/ssi/neteler/software/cvsgrass61//tmp/ddd.ppm: No
such file or directory
pnmcat failed to create assembled images
Check that pnmcat is installed and path is set
GLX -- destroy pbuffer
Segmentation fault


A pity! Also the volume was broken apparently in May 2006.
The quality of NVIZ seems to be continuously decreasing
which isn't nice.

Markus