Hi Paolo,

Here is a new description:

Raster Interpolation browses a vector layer of points, interpolates at their position the value of a raster layer and save the value in a chosen field of the vector layer.

Interpolation can be nearest, linear or bi-cubic. Simple filter on the vector layer may be applied (browse only currently NULL values and/or only selected features).

I hope it's a bit more clear...
Otherwise, the printscreen on the plugin homepage (linked) might help:

http://3nids.github.io/rasterinterpolation/


Cheers,

Denis

On 07/22/2013 07:41 AM, Paolo Cavallini wrote:
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Il 22/07/2013 07:30, Denis Rouzaud ha scritto:
Hi Paolo,

Sorry to ask, but how can you do this in QGIS?

Cheers,

Denis


2013/5/8 Paolo Cavallini <[email protected] <mailto:[email protected]>>

Il 08/05/2013 11:15, [email protected] <mailto:[email protected]> ha scritto:

Plugin name is: Raster Interpolation
Plugin description is: Raster Interpolation interpolates values on a raster
from points of a vector layer and store the results in a field of this vector 
layer.
Link: http://plugins.qgis.org/plugins/rasterinterpolation/
Sorry, maybe I did not understand well how it works.
Could the author expand the description?
Thanks for following on this.
All the best.
- -- Paolo Cavallini - Faunalia
www.faunalia.eu
Full contact details at www.faunalia.eu/pc
Nuovi corsi QGIS e PostGIS: http://www.faunalia.it/calendario
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