this bug's URL: http://intevation.de/rt/webrt?serial_num=2887
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Subject: NVIZ volume polygon resolution error
Platform: GNU/Linux/i386
grass binary for platform: Compiled from Sources
GRASS Version: 5.7.0 weekly snapshot from 12-25-04
Currently there is some kind of threshold regarding the polygon-resolution
when displaying volumes in NVIZ.
If the resolution is set under a magical critical value NVIZ just dies.
Unfortunately no error messages are given, but this performance is easily
reproduceable.
I am currentlty testing NVIZ-volumes on a xy-location: x=40, y=40, z=18,
x-y-z-resolutions are all set to 1. The volumes fill at max a third of the
possible volume space.
The phenomenon is independent from the size of the NVIZ-"monitor".
The problem is particularly annoying since the first polygon-resolution set
by NVIZ after a new layer of volumes has been created seldom shows all
detail. Therefore the polygon-resolution has the be counted down by the
user, which renders more detail until the the described error is (once
again) encountered.
Peter Loewe
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