delphi实现等高线绘制算法，用vc可以打开，编译以后就可以看到结果-delphi achieve contour mapping algorithm can be used vc open compiler they can see the result

用Pascal写的光线跟踪渲染器, 项目可以用Lazarus打开, 略加修改也可以用Delphi打开,程序结构清晰, -Written in Pascal ray tracing renderer, the project can be opened with Lazarus, slightly modified Delphi can also be used to open, clear program structure,