2

I want to split a polygon by a intersecting line into different parts, exactly like in this post(Split a polygon layer with a line layer?).

I have a vector grid to cut the polygons, so I used the intersect tool(vector grid with polygons) first, to get the lines from the vector grid intersecting the polygons I want to cut.

Afterwards I followed the procedure like in the post mentioned above (union and then polygonize), but it does not provide a feasible solution, because some layers are cut as I want it and others are not.

Does anyone has any workaround about it? I read here (Making polygon from intersecting lines in QGIS using Polygonize or similar? ) that there have been some problems with polygonize, maybe this is the reason?

FYI: I am running Windows 8, 64 bit, QGIS Desktop 2.4, and installed it by the downloaded file.

Thanks for your answers!

3

I'd suggest to poligonize the grid and to then intersect the polygon grid with the other input polygon layer. That should be much less trouble.

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