[Qgis-user] How to smooth a TIN ?

[Marco Hugentobler]

Hi Jeremy

You might try a different interpolation then. In the interpolation plugin, you 
could use inverse distance weighting. In GRASS, there is v.surf.rst which I 
think is a good choice for smooth surfaces.

Regards,
Marco

Am Dienstag, 23. März 2010 15.29:36 schrieb Jeremy G:
> Hi,
> 
> Starting with a point vector shapefile, I did a TIN interpolation with the
> QGIS plugin. If I try to shade it as it is, the result is full of
> irregularities (1). Is there a method to smooth the result ?
> 
> Thanks !
> 
> Jeremy
> 
> (1) : http://www.geographiques.org/img/qgis_dem.png
> 

-- 
Dr. Marco Hugentobler
HUGIS GmbH
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CH-8134 Adliswil
marco at hugis.net
http://homepage.hispeed.ch/hugis
Technical Advisor QGIS Project Steering Committee