Fig. 1. Flow chart of scanning

Fig. 2. Point cloud image with good scanning effect

Fig. 3. Point cloud in messy state

Fig. 4. Model of tank noise

Fig. 5. Expansion diagram of point cloud

Fig. 6. Diagram of triangle optimization

Fig. 7. Local amplification diagram of triangulation networks generated by point cloud data of tank

Fig. 8. Diagram of points on trapezoidal platform

Fig. 9. Diagram of triangular modeling of plane

Fig. 10. Comparison diagrams of modeling