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BUFFER DIVISION

NicolasClerici_

Hi, I am trying to derive reasonable statistics from a raster using buffers around protected areas. Some of them are contiguous so when I create the buffers there are multiple overlaps. I am trying to derive a division of the buffer so that every park has got just one reasonable (cut) buffer area. Any idea? cheers

delme.png

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DanPatterson_Retired

well you have one.

Don't dissolve the buffers and assign those that clearly belong to one area to it...

what does that look like?

does that change the location of where you place your markers for division?

NicolasClerici_

I'd be happy to know at leat one

DanPatterson_Retired

any rule is acceptable as long as it is supported.

there is definitely no one approach and nothing automatic or tool-based

NicolasClerici_

The problem is dividing the overlapping portions of the buffers in a a reasonable way. It is a hard geometrical problem. One possible way is to connect intersecting buffer in the dissolved buffer perimeter and get the points (blue in the image), get the intesecting points in the periphery of the parks (red points) and connect a line (with I don't know which instruction) to find a way to cut the buffers (see red lines in the image). Thanks

DanPatterson_Retired

did you try to union or intersect the overlapping buffers…?

The information that appears in the tables might be what you are looking for

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