Wednesday 22 May 2019

How to select a raster file that is under a polygon in a vector file?


I am using: v.db.select map=PHL_adm1 where=NAME_1='Bulacan'


My vector map is over the raster map. I want to select the part of the raster map under the polygon(NAME_1='Bulacan') of a vector. Is it possible to do?



Answer



Hi here is the procedure to do that:


v.to.rast - convert vector to raster.

r.mask - create a mask from the raster.
r.resample - to create a new raster clipped by the mask.


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