3Drotate

光斑的中心提取：重心法和圆拟合。先用多次迭代求阈值并且对图像二值化，再用重心法和圆拟合提取光斑中心。(light spot method：median point ，circle fitting)

基于PCL的三维点云模型表面主曲率估计的具体实现(estimation of the principal curvature)

一步步引导读者用C++实现计算机图形学中的各种基础数据结构(Lead reader to build the various data structrues of computer graphics step by step.)

用matlab画nurbs(Nurbs paint using matlab)

说明：  3DMM模型是三维人脸重建的基础模型，用于三维人脸重建任务。(3dmm model is the basic model of 3D face reconstruction, which is used for 3D face reconstruction task.)

三维均匀介质的高阶交错网格弹性波方程数值模拟（未加PML吸收边界条件），模拟结果以切边形式显示(Numerical simulation of three-dimensional homogeneous medium of high-order staggered elastic wave equation (not PML absorbing boundary conditions), the simulation results are displayed in the form of trimming)

饱含了基本的3D图形库，可以运行在MS DOS环境(contains C sources of a portable basis 3-D library compilant under MS-DOS(WATCOM-C,DJGPP,BORLAND-C),MS-WINDOWS, X-WINDOWS and NeXTStep,)

用于计算在三维点云处理过程中的局部点云面积估算，精度很高。(Used to calculate the three-dimensional point cloud processing local point cloud area estimation accuracy is very high.)

flac3d自定义本构模型实例演示，可以帮助数值模拟爱好者学习如何自定义本构模型。(flac3d custom constitutive model examples demonstrate, numerical simulation can help enthusiasts to learn how to customize the constitutive model.)

是一个c形成的卫星天线曲面在CAD上的曲线,可以用做模型产生曲面做锅,也可形成3d打印机的计算基础,打印3d卫星天线,可以做正馈,也可做偏馈.做机载天线等.要在桌面建立ltm_start2目录.dev_c++ 通过.(C satellite antenna surface is formed on a CAD curve, the model can be used to generate surfaces do pot, can also form the basis of calculation 3d printer, print 3d satellite dish, you can do positive feedback, also do partial feed. Doing machine antenna etc. To establish ltm_start2 directory on your desktop. dev_c++ through.)