[GRASS-user] 2D - 3D raster intersection

[Tomas Lanczos]

Hello,

thank You Boris, it is something new for me, how can I integrate octave 
to grass? is there a tutorial for that?

thank You

Tomas


Boris Avdeev wrote:
> Using Matlab (or octave):
> 
> n=1;index=zeros(prod(dim(rast2d)),3)
> for [i j]=1:dim(rast2d,[1 2])
>   k=round(rast2d(i,j))
>   index(n,:)=[i j k]
> end
> answer=rast3d(index)
> 
> Boris
> 
> On Nov 17, 2007 6:14 PM, Tomas Lanczos <lanczos at t-zones.sk> wrote:
>> Hello everybody,
>>
>> I have a 3D raster and several 2D elevation rasters. Is it possible to
>> perform somehow (within GRASS, or outside) intersection betwwen the 2D
>> and 3D rasters and get 2D raster with values of the 3D rasters where
>> they are intersected?
>>
>> Tomas
>> GRASS 6.3 CVS, 2.2, Ubuntu 7.10 Gutsy
>>
>>
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> 
>