Moritz Lennert pisze:
On 13/02/08 18:40, G. Allegri wrote:
It's the same question I was going to ask. It would be an important
advance in Grass, as I'm obliged to use commercial sw to do it (Esri)
both to interpolate with barriers and to do 3D TINs with constraints.
The answer was (and as far as I know still is) to either run v.surf.rst
several times, once for each part within fault lines (using mask) or to
use r.surf.nnbathy (AddOns).
r.surf.nnbathy does not support fault lines either.
FWIW, there is surfit [1] (FOSS). It supports fault lines AIUI - linear
features which don't have a value assigned, but only depict a curve at
which the interpolation should break. They call break/fault lines
"inequalities". I still haven't used surfit, but from examples [2] it
seems interesting.
[1]http://surfit.sourceforge.net
[2]http://surfit.sourceforge.net/surfit/examples.html
Maciek
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