lwgeom_force_sfs()

LWGEOM* lwgeom_force_sfs	(	LWGEOM *	geom,
		int	version
	)

Definition at line 793 of file lwgeom.c.

References CIRCSTRINGTYPE, COLLECTIONTYPE, COMPOUNDTYPE, CURVEPOLYTYPE, LWCOLLECTION::geoms, lwcollection_as_lwgeom(), lwgeom_free(), lwgeom_stroke(), lwmpoly_as_lwgeom(), lwpoly_as_lwgeom(), lwpoly_from_lwlines(), MULTICURVETYPE, MULTISURFACETYPE, LWCOLLECTION::ngeoms, POLYHEDRALSURFACETYPE, TINTYPE, TRIANGLETYPE, LWGEOM::type, LWMPOLY::type, and LWCOLLECTION::type.

Referenced by do_geom_test(), do_type_test(), and LWGEOM_force_sfs().

{
        LWCOLLECTION *col;
        int i;
        LWGEOM *g;

        /* SFS 1.2 version */
        if (version == 120)
        {
                switch(geom->type)
                {
                        /* SQL/MM types */
                        case CIRCSTRINGTYPE:
                        case COMPOUNDTYPE:
                        case CURVEPOLYTYPE:
                        case MULTICURVETYPE:
                        case MULTISURFACETYPE:
                                return lwgeom_stroke(geom, 32);

                        case COLLECTIONTYPE:
                                col = (LWCOLLECTION*)geom;
                                for ( i = 0; i < col->ngeoms; i++ )
                                        col->geoms[i] = lwgeom_force_sfs((LWGEOM*)col->geoms[i], version);

                                return lwcollection_as_lwgeom((LWCOLLECTION*)geom);

                        default:
                                return (LWGEOM *)geom;
                }
        }


        /* SFS 1.1 version */
        switch(geom->type)
        {
                /* SQL/MM types */
                case CIRCSTRINGTYPE:
                case COMPOUNDTYPE:
                case CURVEPOLYTYPE:
                case MULTICURVETYPE:
                case MULTISURFACETYPE:
                        return lwgeom_stroke(geom, 32);

                /* SFS 1.2 types */
                case TRIANGLETYPE:
                        g = lwpoly_as_lwgeom(lwpoly_from_lwlines((LWLINE*)geom, 0, NULL));
                        lwgeom_free(geom);
                        return g;

                case TINTYPE:
                        col = (LWCOLLECTION*) geom;
                        for ( i = 0; i < col->ngeoms; i++ )
                        {
                                g = lwpoly_as_lwgeom(lwpoly_from_lwlines((LWLINE*)col->geoms[i], 0, NULL));
                                lwgeom_free(col->geoms[i]);
                                col->geoms[i] = g;
                        }
                        col->type = COLLECTIONTYPE;
                        return lwmpoly_as_lwgeom((LWMPOLY*)geom);

                case POLYHEDRALSURFACETYPE:
                        geom->type = COLLECTIONTYPE;
                        return (LWGEOM *)geom;

                /* Collection */
                case COLLECTIONTYPE:
                        col = (LWCOLLECTION*)geom;
                        for ( i = 0; i < col->ngeoms; i++ )
                                col->geoms[i] = lwgeom_force_sfs((LWGEOM*)col->geoms[i], version);

                        return lwcollection_as_lwgeom((LWCOLLECTION*)geom);

                default:
                        return (LWGEOM *)geom;
        }
}

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