[postgis-users] Error in SPATIAL_REF_SYS table

Barend Köbben kobben at itc.nl
Tue Nov 8 23:59:46 PST 2005


Hi there,

I just started using PostGIS instead of the Spatial Extensions of MySQL, mainly because of the lack of SRID support in the latter. Everything went nicely until yesterday, when I found that there's an error in the SPATIAL_REF_SYS table for the Dutch National Grid. This, officialy called "RijksDriehoeksstelsel" is defined with Projection = Oblique Stereographic. But it should be Double Stereographic...

All the other coordinates seem right, but the result is still an offset of about 2 meters when combined with properly projected data....

Any ideas on how this could be remedied, or should I file a bug report?

____________________________

Barend Köbben
International Institute for Geo-information 
Sciences and Earth Observation (ITC) 
PO Box 6, 7500AA Enschede (The Netherlands)
ph: +31 (0)53 4874253; fax: +31 (0)53 4874335



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