[GRASS5] NVIZ updates

[Bob Covill]

Helena,

Helena wrote:
> 
> I have added 2 modfications from Tomas to nviz volume support:
> 
> 1. Default polygon resolution for drawing isosurfaces is now a smaller 
> number
> (higher resolution) to avoid situation when nothing is drawn.
> 
> 2. Load state/Save state was added for volume objects.
> 
> Bob, after the nviz startup has changed, Load state/Save state does not 
> work
> - it gives an Error: can't read env(GISDBASE)
> Can this be fixed before the release or should I file a bug report?
> 

I will grab the above updates today and look into fixing the above 
problem. My guess is that it should not be too difficult to fix. I will 
let you know.

> Let me know if there are any problems with the new additions,
> 
> Helena
> 

--
Bob