On 07/22/2013 08:13 AM, Paolo Cavallini wrote:
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Il 22/07/2013 08:05, Denis Rouzaud ha scritto:
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:
Hi Denis,
I have read the description, but I do not understand in detail what is the
plugin
doing. What is interpolating?
I'll try to reformulate:
You have a vector layer of points.
You have a raster layer (might be a DTM).
Foreach point feature of the vector layer:
- take the location of the point
- calculate an interpolated value of a chosen band at the point
location
- save this value in a field of the feature
Thanks.
- --
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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