getPoint2d_p()

int getPoint2d_p ( const POINTARRAY *  pa, uint32_t  n, POINT2D *  point  )

extern

Definition at line 342 of file lwgeom_api.c.

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

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

Referenced by _lwt_AddEdge(), _lwt_AddFaceSplit(), _lwt_CheckEdgeCrossing(), _lwt_describe_point(), _lwt_DistinctVertexes2D(), _lwt_EdgeRingIterator_next(), _lwt_FindAdjacentEdges(), _lwt_FindFaceContainingRing(), _lwt_FindNextRingEdge(), _lwt_FirstDistinctVertex2D(), _lwt_GetInteriorEdgePoint(), line2pts(), LWGEOM_angle(), LWGEOM_azimuth(), lwgeom_covers_lwgeom_sphere(), lwpoint_getPoint2d_p(), lwt_AddIsoEdge(), lwt_ChangeEdgeGeom(), lwt_GetNodeByPoint(), lwtriangle_area(), ptarray_area_spheroid(), ptarray_check_geodetic(), ptarray_contains_point_sphere(), ptarray_to_x3d3_sb(), RASTER_nearestValue(), RASTER_setPixelValuesGeomval(), and test_lwgeom_split().

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