[GRASS-user] mapcalc combining raster and vector
fra.chartier at gmail.com
Wed May 8 06:03:42 PDT 2019
I have soil samples from boreholes where i have data points at every meter
interval and where soil type changes. i would like to create a weighted
average of soil property for lets say the first 1 m below the DEM, so that
i can evaluate potential for infiltration across a watershed.
On Wed., May 8, 2019, 08:17 Moritz Lennert, <mlennert at club.worldonline.be>
> On 8/05/19 14:00, Micha Silver wrote:
> > You will most likely have to convert the points to raster. But before
> > that, can you explain what you mean by "located for 10 m from DEM", "10
> > to 20".
> Or, if you mean zones of equal height, you can transform them to vector
> polygons and use v.vect.stats on these polygons and the points.
> > On 08/05/2019 13:31, Francois Chartier wrote:
> >> Hi
> >> I would like to use mapcalc with types of input a DEM (raster) and xyz
> >> property (vector). basically, I would like to do a weighted average
> >> of data points located for 10 m from DEM, then 10 to 20 etc.
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> > --
> > Micha Silver
> > Ben Gurion Univ.
> > Sde Boker, Remote Sensing Lab
> > +972-523-665918
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