Bruce, Can you provide a known projected point? (x,y) in the old system (lat,lon) in WGS84 Would help verify. P
On Thu, May 28, 2009 at 9:25 AM, Bruce Foster <[email protected]> wrote: > All, > Apologies if this has been asked before and cross posting. Well, in dire > situation. > I'm working on a project in Malaysia and the ran into major road block > because of the local projection. All existing datasets are in > older Cassini projection. They have 9 state level Cassini projection for > cadastal work and they have different origin. It uses Everest 1830 Modified > for spheroid. > They are moving to their new projection called GDM2000 and they have EPSG > entries. But the older cassini dont have EPSG entries. this puts me in real > fix. > ArcGIS has the projection parameters for cassini and I dont find any details > in spatialreferece or EPSG.org. > My work involves GeoServer and PostGIS. Can you plesae guide and help me > with this? How do I put a custom projection and how do I work on a > projection that dont have EPSG? Since we work lot on EPSG with GeoServer and > PostGIS, how can we support the non standard one. > This is the CRS parameters; > PROJCS["Malaysia_Cassini_Kelantan",GEOGCS["GCS_Kertau",DATUM["D_Kertau",SPHEROID["Everest_1830_Modified",6377304.063,300.8017]],PRIMEM["Greenwich",0],UNIT["Degree",0.017453292519943295]],PROJECTION["Cassini"],PARAMETER["False_Easting",0],PARAMETER["False_Northing",0],PARAMETER["Central_Meridian",102.8952083],PARAMETER["Scale_Factor",1],PARAMETER["Latitude_Of_Origin",4.946141667],UNIT["Meter",1]] > any guru out there help me? > another question, can this be reprojected to WGS84 using on the fly > reprojection in GeoServer and PostGIS? > Thanks a lot > Bruce Foster > > > > _______________________________________________ > postgis-users mailing list > [email protected] > http://postgis.refractions.net/mailman/listinfo/postgis-users > > _______________________________________________ postgis-users mailing list [email protected] http://postgis.refractions.net/mailman/listinfo/postgis-users
