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I have some scattered polygons with a lot of space between them.
I want to make a thematic map but all that white space doesn't look very good, so I want to bring the polygons closer to the center of the area.
Any idea on how to do that in a automatic way? It could be a raw algorithm, postgis query or python function.
Here is an example:

Original:
enter image description here
Final:
enter image description here

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2 Answers 2

making the polygons bigger should give the desired effect.

http://postgis.net/docs/manual-1.5/ST_Scale.html

/Nicklas

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Why don't you compute the center point and move the polygons towards this point?

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Thats what I want. So far: (st_centroid(st_box2d(st_collect(areas.the_geom)) –  Pablo May 5 '11 at 18:38

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