2 posts tagged with math by genghis.
Displaying 1 through 2 of 2.

Did the earth move for you too?

GISfilter -- I have a PostGIS table containing spatial data in the form of a few thousand shapefiles. Anybody know a quick way I can move *all* of them by about 40 metres? [more inside]
posted by genghis on Jan 10, 2009 - 11 answers

Join some of the dots, throw the rest away

Map geeks: can I generate a polygon shapefile from the outline of a large collection of points? There's more detail, of course. [more inside]
posted by genghis on Jun 26, 2007 - 17 answers

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