[GRASS-user] NVIZ max res ppm = reboot!

[Hamish]

Glynn Clements wrote:
> 
> Glynn Clements wrote:
> 
> > > I don't get a reasonable output though. 21 different size black
> > > ppm squares instead of a picture. Is this as expected?
> > 
> > That's what I get when using GLX Pixmaps (using pBuffers gives me an
> > GLXUnsupportedPrivateRequest error).
> 
> I think that I may have a fix for the GLX Pixmap case:
> 
> Index: visualization/nviz/src/do_zoom.c
[...]
> -	GLX_DOUBLEBUFFER,
[...]
> For all I know, the pBuffer case might work; I don't think we've
> actually had anyone test it on an OpenGL implementation which supports
> pBuffers.


for me, after that change I still need:
export GRASS_NO_GLX_PIXMAPS=1

otherwise:

Creating PBuffer Using GLX 1.3
Create PixMap Using GLX 1.1
Final Assembled Image will be 2048 x 2048
Writing Tile 1 of 9
Writing Tile 2 of 9
Writing Tile 3 of 9
Writing Tile 4 of 9
Writing Tile 5 of 9
Writing Tile 6 of 9
Writing Tile 7 of 9
Writing Tile 8 of 9
Writing Tile 9 of 9
Assembling Tiles
pnmcat: Zero byte allocation
pnmcat failed to create assembled image
Check that pnmcat is installed and path is set
pnmcat: Zero byte allocation
pnmcat failed to create assembled image
Check that pnmcat is installed and path is set
pnmcat: Zero byte allocation
pnmcat failed to create assembled image
Check that pnmcat is installed and path is set
pnmcat: EOF / read error reading magic number
pnmcat failed to create assembled images
Check that pnmcat is installed and path is set
Destroy Pixmap and GLXPixmap


GRASS_NO_GLX_PBUFFERS doesn't help/hinder.
(just "Creating PBuffer Using GLX 1.3" msg disappears)


XFree86 4.3 Debian/sarge with ATI Radeon 9200 xfree driver.


Hamish