Buffer around polygon relative to distance from a point?

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10-06-2017 08:48 AM
Sasjavan_den_Bergh
New Contributor

Hi, is it possible to create a buffer around a polygon where the size of the buffer depends on the distance from the edge of the polygon to a certain point inside the polygon?

I have an egg shaped polygon, inside this polygon there's a point. On the west-east axis the distance from this point to the outer edge of the polygon is the same on both sides, but on the north-south axis there's a large difference.

The distance from the point to the northern most part of the polygon is 16 km, the distance to the Southern most part is only 8 km.

I only know how to create regular buffers with either a set distance or a distance based on a field, but what I really want would be to create a negative buffer based on, for example, 1/3 of the distance from the edge of the polygon to the point.

Hopefully this question makes sense.

PS:I have ArcGIS for desktop 10.5, the basic license.    

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DanPatterson_Retired
MVP Emeritus

starting to sound like a direction/oriented buffer... see the discussion by Bill Huber in this thread

DuncanHornby
MVP Notable Contributor

Can you edit your question and draw what you have and want, much easier to understand.

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