Function msProcessProjection

mapfile.c:1185–1229

#endif /* USE_PROJ */

int msProcessProjection(projectionObj *p)
{
#ifdef USE_PROJ    
    assert( p->proj == NULL );
    
    if( strcasecmp(p->args[0],"GEOGRAPHIC") == 0 ) {
        msSetError(MS_PROJERR, 
                   "PROJECTION 'GEOGRAPHIC' no longer supported.\n"
                   "Provide explicit definition.\n"
                   "ie. proj=latlong\n"
                   "    ellps=clrk66\n",
                   "msProcessProjection()");	  
        return(-1);
    }

    if (strcasecmp(p->args[0], "AUTO") == 0) {
	p->proj = NULL;
        return 0;
    }

    if (strncasecmp(p->args[0], "AUTO:", 5) == 0 ||
        strncasecmp(p->args[0], "AUTO2:", 6) == 0)
    {
        /* WMS/WFS AUTO projection: "AUTO:proj_id,units_id,lon0,lat0" */
        /*WMS 1.3.0: AUTO2:auto_crs_id,factor,lon0,lat0*/
        return _msProcessAutoProjection(p);
    }
    msAcquireLock( TLOCK_PROJ );
    if( !(p->proj = pj_init(p->numargs, p->args)) ) {
        int *pj_errno_ref = pj_get_errno_ref();
        msReleaseLock( TLOCK_PROJ );
        msSetError(MS_PROJERR, pj_strerrno(*pj_errno_ref), 
                   "msProcessProjection()");	  
        return(-1);
    }
    
    msReleaseLock( TLOCK_PROJ );

    return(0);
#else
  msSetError(MS_PROJERR, "Projection support is not available.", 
             "msProcessProjection()");
  return(-1);
#endif
}

static int loadProjection(projectionObj *p)
{