C++ (Cpp) FLAGS_SET_SOLID Examples

Example #1

File: lwgeom_sfcgal.c Project: gbroccolo/postgis

Datum sfcgal_make_solid(PG_FUNCTION_ARGS)
{
        GSERIALIZED *output;
	GSERIALIZED *input = PG_GETARG_GSERIALIZED_P(0);
        LWGEOM *lwgeom = lwgeom_from_gserialized(input);
	PG_FREE_IF_COPY(input, 0);
	if (! lwgeom)
	{
		lwerror("sfcgal_make_solid: Unable to deserialize input");
	}

        FLAGS_SET_SOLID( lwgeom->flags, 1);

	output = geometry_serialize( lwgeom );
	lwgeom_free(lwgeom);

	PG_RETURN_POINTER(output);
}

Example #2

File: libtgeom.c Project: bnordgren/postgis

/*
 * Return a TGEOM pointer from an LWGEOM
 * Caution: Geometries from LWGEOM are copied
 */
TGEOM*
tgeom_from_lwgeom(const LWGEOM *lwgeom)
{
	int i, solid;
	LWTIN *tin;
	LWPSURFACE *psurf;
	TGEOM *tgeom = NULL;

	tgeom = tgeom_new(0, FLAGS_GET_Z(lwgeom->flags), FLAGS_GET_M(lwgeom->flags));

	if (lwgeom->srid < 1) tgeom->srid = SRID_UNKNOWN;
	else tgeom->srid = lwgeom->srid;

	if (lwgeom_is_empty(lwgeom)) return tgeom;

	switch (lwgeom->type)
	{
	case TINTYPE:
		tgeom->type = TINTYPE;
		tin = (LWTIN *) lwgeom;

		for (i=0 ; i < tin->ngeoms ; i++)
			tgeom = tgeom_add_triangle(tgeom,
			                           (LWTRIANGLE *) tin->geoms[i]);

		break;

	case POLYHEDRALSURFACETYPE:
		tgeom->type = POLYHEDRALSURFACETYPE;
		psurf = (LWPSURFACE *) lwgeom;
		for (i=0 ; i < psurf->ngeoms ; i++)
			tgeom = tgeom_add_polygon(tgeom,
			                          (LWPOLY *) psurf->geoms[i]);

		break;

		/* TODO handle COLLECTIONTYPE */

	default:
		lwerror("tgeom_from_lwgeom: unknown geometry type %i - %s",
		        tgeom->type, lwtype_name(tgeom->type));
	}



	for (solid=1, i=1 ; i <= tgeom->nedges ; i++)
	{
		if (tgeom->edges[i]->count != 2)
		{
			LWDEBUGF(3, "no solid, edges: [%i], count: [%i] (%lf,%lf,%lf,%lf)->(%lf,%lf,%lf,%lf)\n",
			         i, tgeom->edges[i]->count,
			         tgeom->edges[i]->s->x, tgeom->edges[i]->s->y,
			         tgeom->edges[i]->s->z, tgeom->edges[i]->s->m,
			         tgeom->edges[i]->e->x, tgeom->edges[i]->e->y,
			         tgeom->edges[i]->e->z, tgeom->edges[i]->e->m);

			solid = 0;
			break;
		}
	}
	FLAGS_SET_SOLID(tgeom->flags, solid);

	return tgeom;
}