insert into spatial_ref_sys values (200000, 'NOONE', '0', '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]]', '+proj=cass +lat_0=4.946141667 +lon_0=102.8952083 +x_0=0 +y_0=0 +ellps=evrst48 +units=m +no_defs');
On Thu, May 28, 2009 at 9:37 AM, Paul Ramsey <[email protected]> wrote: > 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
