[GRASS-user] Vector to 2D Raster

[balotti.and at gmail.com]

Hi Francois,

I think you can use directly v.vol.rst directly on a 3D vector 
(v.in.ascii with -z flag) to interpolate the points and obtain the 3D 
raster.

Cheers,

Andrea Balotti

Il 08/05/2018 02:26, Francois Chartier ha scritto:
>
> Hi,
>
> I am trying to build a Raster out of a vector file (points) which 
> consists of soil properties at a given elevation and coordinates XY.
>
> I have attached an example file that I have extracted from the main 
> table which contains all XY Z and properties.  I am proceeding with 
> building a raster for each elevation as I think that grass has issues 
> with using 3D vectors with stacked data (vertically) from Borehole 
> logs (that’s a different issue).  Then I will combine the 2D raster 
> into one 3D raster.
>
> I am reasonably new to Grass, and so far I have been able to combine 
> multiple DEM together, add attributes to table from different Rasters 
> (DEM, Bedrock surface), but I am unable to create a raster from a 
> simple table, or at least see the raster.  In Grass it shows that the 
> raster is in the Tree, but I am unable to show the colors etc.  I am 
> not sure what I am doing incorrectly.  I have tried several methods 
> such as v.in.ascii, etc.
>
> As I have been trying this for many days, I am sending this email to 
> the mailing list.
>
> My ultimate goal is to build a 3D raster of soil properties over a 
> large area (40 km x 40 km x 200 m depth).
>
> Thanks for your help!
>
> F.
>
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