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Is it possible to make advanced spatial queries like erase a bbox from a polygon query? So that you get a polygon-query with a hole in it? As far as I know, it's just possible to union different bboxs, so you get a kind of ring-query.

asked 13 Feb '13, 14:29

Mattes_tili's gravatar image

accept rate: 0%

edited 13 Feb '13, 14:30

Yes, the unions are all that is possible at the moment. But you can use union also on polygon queries which allows in principle an arbitrary geometry by stitching polygons.

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answered 14 Feb '13, 12:50

Roland%20Olbricht's gravatar image

Roland Olbricht
accept rate: 35%

Meanwhile this could be solved by the difference operator. See the other answer to this question.

(26 Jul '14, 22:54) mmd
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question asked: 13 Feb '13, 14:29

question was seen: 3,789 times

last updated: 26 Jul '14, 22:54

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