Example #1
0
LWCOLLECTION*
lwcollection_force_dims(const LWCOLLECTION *col, int hasz, int hasm)
{
	LWCOLLECTION *colout;
	
	/* Return 2D empty */
	if( lwcollection_is_empty(col) )
	{
		colout = lwcollection_construct_empty(col->type, col->srid, hasz, hasm);
	}
	else
	{
		int i;
		LWGEOM **geoms = NULL;
		geoms = lwalloc(sizeof(LWGEOM*) * col->ngeoms);
		for( i = 0; i < col->ngeoms; i++ )
		{
			geoms[i] = lwgeom_force_dims(col->geoms[i], hasz, hasm);
		}
		colout = lwcollection_construct(col->type, col->srid, NULL, col->ngeoms, geoms);
	}
	return colout;
}
Example #2
0
LWGEOM*
lwgeom_force_4d(const LWGEOM *geom)
{	
	return lwgeom_force_dims(geom, 1, 1);
}
Example #3
0
LWGEOM*
lwgeom_force_3dz(const LWGEOM *geom)
{	
	return lwgeom_force_dims(geom, 1, 0);
}
Example #4
0
LWGEOM*
lwgeom_force_3dm(const LWGEOM *geom)
{	
	return lwgeom_force_dims(geom, 0, 1);
}
Example #5
0
LWGEOM*
lwgeom_force_2d(const LWGEOM *geom)
{	
	return lwgeom_force_dims(geom, 0, 0);
}