A function of better CAD drawing program, for trade

GIS简单的图形系统，可以兼容DWG等矢量数据-GIS simple graphical system that is compatible with DWG vector data, etc.

java开发的三维引擎 很适合初学者，代码很少，却有劲想不到的用处-java development of the 3D engine is suitable for beginners, code rarely, but can not think of the usefulness of interesting

windows 屏保中的三维水管，真的很奇特，找到此源码，可以对C++编程，尤其是图像编程很有帮助！

3d底层编程，不是用opngl，包括光线跟踪，纹理映射等，用vc编写-bottom 3d programming is not to opngl, including ray tracing, texture mapping, prepared using vc

通过重复使用一小块顶点缓冲来减少对内存的需求，将CPU从逐帧的顶点缓冲更新中释放出来-Through the repeated use of a small vertex buffer to reduce the demand for memory will be the culmination of CPU from the frame buffer update released

显示b样条曲线,和非均匀有理B样条曲线.-Show the b-spline curves, and non-uniform rational B-spline curve.

指纹仪组件包,大家可以看看,以前让别人写的，用过一次，还可以吧。-Fingerprint device package, we will look at the past, let other people write, used once, can you.

basis function derivative

键盘控制芯片C语言控制程序，通过该程序可以实现7219芯片大部分LED控制功能的演示，以及键盘的读取，其中的I2C子函数也可以用于其他I2C器件-keyboard controller chip C language control procedures, the adoption of the 7219 procedures can be achieved most of LED chip control functions of the display, keyboard and read, I2C Functions can also be used for other I2C devices