On 10/03/19 15:39, Shane Carey wrote:
Hi,
I've been looking for ways of grass gis splitting a polygon into
multiplepolygons with a line shapefile and wondering are there tools in
Grass to do this!!
Does the following correspond to what you are looking for ?
test = polygons
test2 = lines
# patch lines and polygons together
v.patch test,test2 out=test_patched
# transform lines to boundaries
v.type test_patched out=test_patched_bound
# break boundaries at intersections
v.clean test_patched_bound tool=break out=test_patched_bound_clean
# add centroids to new areas
v.centroids test_patched_bound_clean out=final
This can be easily scripted into a small addon module.
Moritz
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