Where do I find my EPSG code?
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How can you find the right EPSG code / EPSG code information / EPSG code file?
There is a text file "epsg" in your PROJ4 installation (e.g. "/usr/local/share/proj/epsg") which contain the EPSG information used by PROJ4. In Windows, this is often located in C:\proj\nad or is found with an environment variable called PROJ_LIB.
http://spatialreference.org allows you to search for EPSG codes.
You can also have a look at: http://ocean.csl.co.uk
More information to EPSG: http://www.epsg.org
More information to PROJ4: http://proj.maptools.org
This FAQ applies to: MapServer 4.4, MapServer 4.6, MapServer 4.8, MapServer 4.10, MapServer 5.0
Information about Projections
Converting Projections for Shapefiles using OGR2OGR
msProcessProjection(): No such file or directory
Projection
FOSS4G2008
Winkel Triple
Thank you for looking into this for me! If there is no EPSG code, does this mean I will not be able to do a full WMS service with Winkel Triple? I am able to do a GetMap request which does output a Winkel Triple projected image so it seems, but the WMS-service cannot be loaded into uDig or ArcCatalog for example. It seems like this is because the WMS_SRS tag does not have the right information (WMS_SRS 'epsg:4326' is not right, but leaving it out does not work either). Any tips would be greatly appreciated.
Thank you!
Mark