[GRASS-user] help, interpolation of vector results in one value?
mseibel at gmail.com
Sat Jan 9 14:41:46 EST 2010
Is your region set to the extent of the vector points?
Is the right attribute column being spicified to interpolate?
On Jan 9, 2010, at 2:34 PM, James Kebinger <jkebinger at gmail.com> wrote:
> Hello, I've imported a vector of points into GRASS - it's
> approximately a grid with ~24k points according to GRASS. I'm trying
> to interpolate it, but what ever methods I try (v.surf.idw or
> v.surf.bspline), the resulting raster is just one point,
> approximately in the middle of the grid with the average value of
> the z values.
> I am able to see the points rendered as a vector field, so the data
> looks like it's been imported correctly, but I can't figure out this
> interpolation step.
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