[GRASS-user] Re: TIN (Linear interpolation) from points

[TheGeographer]

Vincent Bain wrote
> 
>> @Vincent: I need linear triangulation. 
> 
> Yes, this is what r.surf.nnbathy does. In other words, you obtain a
> faceted surface where triangles summits meet input points.
> 

Ok, but i use vector points as input data. And the module needs a raster
map. 

Are the interpolation results very different between linear interpolation
and natural neighbor?
The r.surf.nnbathy uses only natural neighbor as interpolation method. 


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