vba对批量cad实体显示顺序的控制，通过SendCommand 实现实体的显示顺序-vba cad entities on the volume control display order, achieved by SendCommand the display order of entities

Volume rendering讲义ppt，内容较多，里面的示例代码用vtk实现-Volume rendering by vtk

可以测量任意量图源的距离！并有提示说明,,希望朋友们能够喜欢！-Can measure any distance from the source volume chart! There are tips and instructions, and hope you will like them!