[OSRS-PROJ] OGC WKT

[Paul Ramsey]

Yes, thanks Frank!

Frank Warmerdam wrote:
> 
> Paul Ramsey wrote:
> >
> > > Let me know if you need details.
> >
> > One quick-and-easy detail you could give is a snippet which instantiates
> > the OGR object with a WKT string and then writes out the proj4 string...
> >
> > Thanks,
> > Paul
> 
> Paul,
> 
> Here is a tiny program doing this in C++.  that's what you wanted,
> right?
> 
> #include "ogr_spatialref.h"
> 
> int main()
> 
> {
>     OGRSpatialReference      oSRS;
>     char                     *pszProj4 = NULL;
>     char                     *pszWKT = "GEOGCS[\"WGS
> 84\",DATUM[\"WGS_1984\",SPHEROID[\"WGS
> 84\",6378137,298.257223563,AUTHORITY[\"EPSG\",7030]],TOWGS84[0,0,0,0,0,0,0],AUTHORITY[\"EPSG\",6326]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",8901]],UNIT[\"DMSH\",0.0174532925199433,AUTHORITY[\"EPSG\",9108]],AXIS[\"Lat\",NORTH],AXIS[\"Long\",EAST],AUTHORITY[\"EPSG\",4326]]";
> 
>     oSRS.importFromWkt( &pszWKT );
> 
>     oSRS.exportToProj4( &pszProj4 );
> 
>     printf( "proj.4 = %s\n", pszProj4 );
> }
> 
> --
> ---------------------------------------+--------------------------------------
> I set the clouds in motion - turn up   | Frank Warmerdam,
> warmerdam at pobox.com
> light and sound - activate the windows | http://pobox.com/~warmerdam
> and watch the world go round - Rush    | Geospatial Programmer for Rent
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-- 
      __
     /
     | Paul Ramsey
     | Refractions Research
     | Email: pramsey at refractions.net
     | Phone: (250) 885-0632
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