图形图像的特效显示，包括平移显示、从小倒下、从左到右显示-Graphic images show the effects, including the translation shows that the fall from a young age, left to right show

TurboC下的画图程序，落雪花会落出不同的字来，修改程序里16*16的数组实现。 适合C语言初学者。增强学习C语言乐趣-TurboC under the Paint program, falling snowflakes will fall out different words, modify the program in 16* 16 array to achieve. C language for beginners. Enhance learning C language fun

MIT图形学课程和PPT,公开课程 6.837-resources of MIT computer graphics, open course 6.837

google earth 描图的边框，得出各多边形的xy坐标，可以通过这个程序批量落入CAD。-Border google earth tracing, obtained each polygon xy coordinates can fall into this batch program CAD.