lwgeom_remove_repeated_points()

LWGEOM* lwgeom_remove_repeated_points	(	const LWGEOM *	in,
		double	tolerance
	)

Remove repeated points!

Definition at line 1456 of file lwgeom.c.

References CIRCSTRINGTYPE, COLLECTIONTYPE, COMPOUNDTYPE, CURVEPOLYTYPE, LINETYPE, lwcollection_remove_repeated_points(), LWDEBUGF, lwgeom_clone_deep(), lwgeom_is_empty(), lwline_remove_repeated_points(), lwmpoint_remove_repeated_points(), lwnotice(), lwpoly_remove_repeated_points(), lwtype_name(), MULTICURVETYPE, MULTILINETYPE, MULTIPOINTTYPE, MULTIPOLYGONTYPE, MULTISURFACETYPE, POINTTYPE, POLYGONTYPE, POLYHEDRALSURFACETYPE, TINTYPE, TRIANGLETYPE, LWGEOM::type, and LWPOLY::type.

Referenced by _lwt_AddEdge(), _lwt_FindAdjacentEdges(), _lwt_toposnap(), lwcollection_remove_repeated_points(), and ST_RemoveRepeatedPoints().

{
        LWDEBUGF(4, "lwgeom_remove_repeated_points got type %s",
                 lwtype_name(in->type));

        if(lwgeom_is_empty(in))
        {
                return lwgeom_clone_deep(in);
        }

        switch (in->type)
        {
        case MULTIPOINTTYPE:
                return lwmpoint_remove_repeated_points((LWMPOINT*)in, tolerance);
                break;
        case LINETYPE:
                return lwline_remove_repeated_points((LWLINE*)in, tolerance);

        case MULTILINETYPE:
        case COLLECTIONTYPE:
        case MULTIPOLYGONTYPE:
        case POLYHEDRALSURFACETYPE:
                return lwcollection_remove_repeated_points((LWCOLLECTION *)in, tolerance);

        case POLYGONTYPE:
                return lwpoly_remove_repeated_points((LWPOLY *)in, tolerance);
                break;

        case POINTTYPE:
        case TRIANGLETYPE:
        case TINTYPE:
                /* No point is repeated for a single point, or for Triangle or TIN */
                return lwgeom_clone_deep(in);

        case CIRCSTRINGTYPE:
        case COMPOUNDTYPE:
        case MULTICURVETYPE:
        case CURVEPOLYTYPE:
        case MULTISURFACETYPE:
                /* Dunno how to handle these, will return untouched */
                return lwgeom_clone_deep(in);

        default:
                lwnotice("%s: unsupported geometry type: %s",
                         __func__, lwtype_name(in->type));
                return lwgeom_clone_deep(in);
                break;
        }
        return 0;
}

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