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Map projections
springmeyer edited this page Aug 13, 2012
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#Converting between projection IDs and references:
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Prj2EPSG - A simple service for converting well-known text projection information from .prj files into standard EPSG codes.
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http://spatialreference.org/ - Similar service.
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node-srs - javascript library, wrapping the osr functionality inside gdal/ogr, that will attempt to detect as much metadata as possible about a projection and has extra dirty magic for detecting various representations of spherical mercator (even the broken ones).
#Building maps that aren't web mercator:
- Using custom projections with TileCache, Mapnik and Leaflet - goo.gl/nCsQn - @LeafletJS mapnik opendata cartography geomatikk