Function msOGRShapeFromWKT

mapogr.cpp:3796–3838

/ msOGRShapeFromWKT() */ /

/*                         msOGRShapeFromWKT()                          */
/************************************************************************/
shapeObj *msOGRShapeFromWKT(const char *string)
{
#ifdef USE_OGR
    OGRGeometryH hGeom = NULL;
    shapeObj *shape=NULL;
    
    if(!string) 
        return NULL;
    
    ACQUIRE_OLD_OGR_LOCK;
    if( OGR_G_CreateFromWkt( (char **)&string, NULL, &hGeom ) != OGRERR_NONE )
    {
        msSetError(MS_OGRERR, "Failed to parse WKT string.", 
                   "msOGRShapeFromWKT()" );
        RELEASE_OLD_OGR_LOCK;
        return NULL;
    }

    /* Initialize a corresponding shapeObj */

    shape = (shapeObj *) malloc(sizeof(shapeObj));
    msInitShape(shape);

    /* translate WKT into an OGRGeometry. */
  
    if( msOGRGeometryToShape( hGeom, shape, 
                              wkbFlatten(OGR_G_GetGeometryType(hGeom)) )
                              == MS_FAILURE )
    {
        RELEASE_OLD_OGR_LOCK;
        free( shape );
        return NULL;
    }

    OGR_G_DestroyGeometry( hGeom );

    RELEASE_OLD_OGR_LOCK;
    return shape;
#else
  msSetError(MS_OGRERR, "OGR support is not available.","msOGRShapeFromWKT()");
  return NULL;
#endif
}

/************************************************************************/
/*                          msOGRShapeToWKT()                           */