[GRASS-user] Interpolation with faultlines?

[Carlos "Guâno" Grohmann]

The attached picture is a sketch I made based on what I remember from
a conference, long time ago, about some software that did interpolate
with faultlines and how it worked.

Carlos



On Thu, Feb 21, 2008 at 4:42 PM, Maciej Sieczka <tutey at o2.pl> wrote:
> 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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-- 
+-----------------------------------------------------------+
 Carlos Henrique Grohmann - Guano
 Geologist M.Sc - Doctorate Student at IGc-USP - Brazil
Linux User #89721 - carlos dot grohmann at gmail dot com
+-----------------------------------------------------------+
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