lwgeom_clone()

LWGEOM * lwgeom_clone ( const LWGEOM *  lwgeom )

extern

Clone LWGEOM object.

Serialized point lists are not copied.

GBOX are copied

See also

ptarray_clone

Definition at line 473 of file lwgeom.c.

{
        LWDEBUGF(2, "lwgeom_clone called with %p, %s",
                 lwgeom, lwtype_name(lwgeom->type));
 
        switch (lwgeom->type)
        {
        case POINTTYPE:
                return (LWGEOM *)lwpoint_clone((LWPOINT *)lwgeom);
        case LINETYPE:
                return (LWGEOM *)lwline_clone((LWLINE *)lwgeom);
        case CIRCSTRINGTYPE:
                return (LWGEOM *)lwcircstring_clone((LWCIRCSTRING *)lwgeom);
        case POLYGONTYPE:
                return (LWGEOM *)lwpoly_clone((LWPOLY *)lwgeom);
        case TRIANGLETYPE:
                return (LWGEOM *)lwtriangle_clone((LWTRIANGLE *)lwgeom);
        case COMPOUNDTYPE:
        case CURVEPOLYTYPE:
        case MULTICURVETYPE:
        case MULTISURFACETYPE:
        case MULTIPOINTTYPE:
        case MULTILINETYPE:
        case MULTIPOLYGONTYPE:
        case POLYHEDRALSURFACETYPE:
        case TINTYPE:
        case COLLECTIONTYPE:
                return (LWGEOM *)lwcollection_clone((LWCOLLECTION *)lwgeom);
        default:
                lwerror("lwgeom_clone: Unknown geometry type: %s", lwtype_name(lwgeom->type));
                return NULL;
        }
}

References CIRCSTRINGTYPE, COLLECTIONTYPE, COMPOUNDTYPE, CURVEPOLYTYPE, LINETYPE, lwcircstring_clone(), lwcollection_clone(), LWDEBUGF, lwerror(), lwline_clone(), lwpoint_clone(), lwpoly_clone(), lwtriangle_clone(), lwtype_name(), MULTICURVETYPE, MULTILINETYPE, MULTIPOINTTYPE, MULTIPOLYGONTYPE, MULTISURFACETYPE, POINTTYPE, POLYGONTYPE, POLYHEDRALSURFACETYPE, TINTYPE, TRIANGLETYPE, LWGEOM::type, and LWPOINT::type.

Referenced by lwcollection_build_buffer(), lwcollection_clone(), lwcollection_extract(), lwcompound_construct_from_lwline(), lwgeom_as_curve(), lwgeom_as_multi(), lwgeom_chaikin(), lwgeom_homogenize(), lwgeom_segmentize2d(), lwgeom_segmentize_sphere(), lwgeom_set_effective_area(), lwpoint_locate_between_m(), RTreeMergeMultiLines(), test_clone(), and test_lwgeom_clone().

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