ptarray_set_point4d()

void ptarray_set_point4d ( POINTARRAY *  pa, uint32_t  n, const POINT4D *  p4d  )

extern

Definition at line 376 of file lwgeom_api.c.

{
        uint8_t *ptr;
        assert(n < pa->npoints);
        ptr = getPoint_internal(pa, n);
        switch ( FLAGS_GET_ZM(pa->flags) )
        {
        case 3:
                memcpy(ptr, p4d, sizeof(POINT4D));
                break;
        case 2:
                memcpy(ptr, p4d, sizeof(POINT3DZ));
                break;
        case 1:
                memcpy(ptr, p4d, sizeof(POINT2D));
                ptr+=sizeof(POINT2D);
                memcpy(ptr, &(p4d->m), sizeof(double));
                break;
        case 0:
                memcpy(ptr, p4d, sizeof(POINT2D));
                break;
        }
}

References POINTARRAY::flags, FLAGS_GET_ZM, getPoint_internal(), and POINT4D::m.

Referenced by _lwt_AddPoint(), _lwt_FindFaceContainingRing(), circstring_from_pa(), linestring_from_pa(), lwcircstring_setPoint4d(), lwgeom_project_spheroid(), lwgeom_split_wrapx(), lwgeom_wrapx(), lwline_clip_to_ordinate_range(), lwline_from_lwmpoint(), lwline_interpolate_points(), lwline_measured_from_lwline(), lwline_setPoint4d(), lwpointiterator_modify_next(), ptarray_affine(), ptarray_flip_coordinates(), ptarray_force_geodetic(), ptarray_from_GEOSCoordSeq(), ptarray_from_SFCGAL(), ptarray_insert_point(), ptarray_nudge_geodetic(), ptarray_scale(), ptarray_swap_ordinates(), rt_raster_get_convex_hull(), rt_raster_get_envelope_geom(), rt_raster_get_perimeter(), rt_raster_pixel_as_polygon(), rt_util_envelope_to_lwpoly(), test_lwline_clip_big(), and test_lwline_crossing_short_lines().

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