Introduction - If you have any usage issues, please Google them yourself
The program function
1. Loading the 3D model by an pop window (only .m file)
2. Displaying the model
2.1 grond
Ground (xy-plane):press p to toggle the display modes
coordinate axes:press a to toggle the display modes
bounding box:press b to toggle the display modes
2.2 The model have 4 colors, it change colors by select different display mode
2.3 two projection mode: press j to Cycle through display mode
orthogonal projection
perspective projection
2.4 Changing the display mode :press o to Cycle through display mode
Points
Wireframe rendering
Flat shading
Smooth shading
3. Camera control