[GRASS-user] NVIZ - Visualization of buildings

[incanus]

Thanx to Markus I get this:

http://n2.nabble.com/file/n3943983/trozoNVIZ.png 

As everyone can see, the "walls" are transparent. I've tried to resample the
color file to the resolution of the elevation file, and the result is the
same. 
I would appreciate any comment os suggest about this, if someone had seen
something similar.

thanx,
Andres


Markus Neteler wrote:
> 
> On Sun, Nov 1, 2009 at 5:46 PM, Markus Neteler <neteler at osgeo.org> wrote:
>> On Fri, Oct 30, 2009 at 10:24 AM, incanus <andresfr at unizar.es> wrote:
>>>
>>> Hi everyone,
>>> I'm trying to visualize a DEM that I've generated of the buildings of a
>>> city. In each cell I have the meters of elevation. When I try to see it
>>> with
>>> NVIZ I found that it makes something like interpolation, smoothing the
>>> corners like it was a DEM of terrain instead of "hard edges" (i don't
>>> know
>>> how to say it).
>>
>> For speed reasons, NVIZ is per default (typically) starting with a
>> reduced  visualization.
>>
>> To increase that:
>> Menu: Visualize -> Raster Surface -> Resolution | fine: XXX
>>
>> The smaller XXX, the higher the shown resolution.
>> When XXX=1, then the full resolution as defined by g.region is
>> used.
> 
> 
> Forgot to mention: some examples here (made without much efforts):
> 
> # only Lidar-based DSM + orthophoto:
> http://gis.fem-environment.eu/
> 
> # Foto versus Lidar-based DSM + orthophoto (nviz)
> http://gis.fem-environment.eu/gis-analysis/
> 
> cheers
> Markus
> _______________________________________________
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> grass-user at lists.osgeo.org
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> 
> 

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