[GRASS-user] v.surf.rst

[Francesco Mirabella]

Dear all,
I'm working on a 3D vector map of a geological surface. I tried to
interpolate the points with v.surf.rst getting an elevation raster map
which is attached to this email as image. The surface changes its depth along a
curved line (see the attachment). Is there a way to tune the v.surf.rst
command in order to make it take into account of the curvature? 
Is "tcurv" option doing it? and if yes, how can I use it? I mean, what
kind of value should I put as tcurv?

thanks to all
cheers
Francesco
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