halcon 插值

*------计算点间距--------
* distance_PP (CoordY, CoordX, distance_point, distance_pp)       
*------插值过程----------
* gen_contour_polygon_xld(Contour, CoordY, CoordX)
* tuple_gen_const(|CoordY|, 0.00001, tpRadius)
* gen_contour_polygon_rounded_xld(Contour, CoordY, CoordX, tpRadius, 0.05)
* get_contour_xld(Contour, CoordY, CoordX)
*------计算点间距---------
* distance_PP (CoordY, CoordX, distance_point, distance_pp)