point3d

  直接运行TestMyCrust.m, 读取点云txt,或者直接加载mat文件 运行需要几分钟，耐心等待 完成后运行trianglenormal.m, 生成三角面片的法向量 运行完成得到tri.txt（组成三角面片的点的编号信息）,trinormal.txt(每个三角面片法向量数值)，diandian.txt(每个点云信息) 然后将三个数据当做stl_gen.exe的输入文件，得到trisuface.stl文件(run TestMyCrust.m, read point cloud file txt, or load mat file)

point3d
point3d\Block.mat
point3d\Bunny.bmp
point3d\diandian.dat
point3d\diandian.mat
point3d\diandian.txt
point3d\MyCrust.m
point3d\Points Cloud.fig
point3d\shoe.mat
point3d\t.mat
point3d\TestMyCrust.m
point3d\tri.txt
point3d\trianglenormal.m
point3d\trinormal.txt
point3d\如何運行.txt