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Interpolating crops

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Hi all

I know that interpolation works on continuous data. Is it possible to use interpolation for descrete data? Like some one is on the field and he wants to collect sample crop types for water shade and later to interpolate for the whole water shade area. Is it possible to do it in GIS with reliable results . Does some one done this similar work before and which method to use?

please help me





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I am not sure exactly what you are asking and what 'water shade' means. If you have samples as points, you can create voronoi polygons out of them, you can look that up. If that is applicable in your case, I don't know.

Another way would be to do some probabilistic land cover analysis (or site selection). If ground truth samples exhibit characteristics/indicators A, B and C (for instance certain NDVI signature, elevation, precipitation) you can try to find other locations with the same characteristics.
Hugo Ahlenius
Nordpil - custom maps and GIS

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