2009/2/27 <[email protected]>: >> Can anyone give me any tips on how to take a simple table of data with a >> figure >> for each coordinate, and turn it into a heat map? At first I thought of >> GeoCommons but it seems you can only use pre-processed data with their >> Maker >> tool. > > It sounds like you don't want to do any pre-processing... if you change > your mind you could: > > 1). Create a coloured overlay and place that as a translucent layer. > http://openlayers.org/dev/examples/layer-opacity.html > > This could be a single image file, or another tile server (as per example). > > 2). Create a set of vector shapes (contours?) and overlay those using an > OSM or other layer (could be heavy on browser if a larger area). > > The Srtm2Osm scripts already make the contours so these can probably be > abused.
This reminds me of http://mike.teczno.com/notes/oakland-crime-maps/XI.html (also see the comments). Cheers Colin _______________________________________________ talk mailing list [email protected] http://lists.openstreetmap.org/listinfo/talk
