[postgis-users] What is the proj4text for this .prj entry

Paul Ramsey pramsey at opengeo.org
Fri Mar 13 15:28:43 PDT 2009


Since I can't verify, I'll just give you my guess:

+proj=merc +lat_ts=-46 +lon_0=100 +x_0=0 +y_0=0 +ellps=clrk66


On Thu, Mar 12, 2009 at 9:46 PM,  <pcreso at pcreso.com> wrote:
>
> Pretty self explanatory...
>
> I have tried for teh last hour or so to get a spatial_ref_sys entry with a proj4text value equating to this text from a shape.prj file, but without success. Teh test that tells me I'm failing is that I can't get transform to generate a correct EPSG:4326 reprojection of the data.
>
> Any help gratefully accepted.
>
> PROJCS["Clarke_1866_Mercator",GEOGCS["GCS_Clarke_1866",DATUM["D_Clarke_1866",SPHEROID["Clarke_1866",6378206.4,294.9786982]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Mercator"],PARAMETER["False_Easting",0.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",100.0],PARAMETER["Standard_Parallel_1",-46.0],UNIT["Meter",1.0]]
>
>
> Thanks
>
>  Brent Wood
> _______________________________________________
> postgis-users mailing list
> postgis-users at postgis.refractions.net
> http://postgis.refractions.net/mailman/listinfo/postgis-users
>



More information about the postgis-users mailing list