getPoint2d_p()

int getPoint2d_p	(	const POINTARRAY *	pa,
		int	n,
		POINT2D *	point
	)

Definition at line 347 of file lwgeom_api.c.

References getPoint_internal(), lwerror(), lwnotice(), and POINTARRAY::npoints.

Referenced by _lwt_AddEdge(), _lwt_FindAdjacentEdges(), _lwt_FindNextRingEdge(), _lwt_FirstDistinctVertex2D(), _lwt_GetInteriorEdgePoint(), assvg_point_buf(), line2pts(), LWGEOM_azimuth(), lwgeom_covers_lwgeom_sphere(), LWGEOM_x_point(), LWGEOM_y_point(), lwpoint_getPoint2d_p(), lwt_AddIsoEdge(), lwt_ChangeEdgeGeom(), lwt_GetNodeByPoint(), lwtriangle_area(), point_in_multipolygon(), point_in_multipolygon_rtree(), point_in_polygon(), point_in_polygon_rtree(), pointArray_svg_abs(), pointArray_toX3D3(), ptarray_append_ptarray(), ptarray_area_spheroid(), ptarray_check_geodetic(), ptarray_contains_point_sphere(), RASTER_nearestValue(), RASTER_setPixelValuesGeomval(), spheroid_big_b(), and test_lwgeom_split().

{
        if ( ! pa )
        {
                lwerror("%s [%d] NULL POINTARRAY input", __FILE__, __LINE__);
                return 0;
        }

        if ( (n<0) || (n>=pa->npoints))
        {
                lwnotice("%s [%d] called with n=%d and npoints=%d", __FILE__, __LINE__, n, pa->npoints);
                return 0;
        }

        /* this does x,y */
        memcpy(point, getPoint_internal(pa, n), sizeof(POINT2D));
        return 1;
}

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