公恒强大的等值线追踪与绘制, -powerful contour tracking and mapping, strong public constant contour tracking and mapping, Constant strong public contour tracking and mapping, strong public constant contour tracking and mapping,

用Visual C＋＋实现二维等值线的COM组件的源码，感兴趣的朋友可以看看。-Using Visual C++ 2D contour of the COM component source, interested friends can see.