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3 votes
1 answer
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PostGis Scaling for Polygons at a fixed center location

I need to enlarge/expand a 2D polygon at its fixed location (lat,lon) with a constant scale factor in order to retrieve the surrounding area with the same shape as the origin polygon. What PostGIS ...
byebb's user avatar
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1 vote
0 answers
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Query to merge simplified polygons according to the map scale-factor [closed]

I'm trying to construct a view in PostgreSQL that simplify polygons according to the map scale-factor. Basically I was reading this thread http://linfiniti.com/2011/06/scale-dependent-generalization-...
user3520314's user avatar