A New Maintainability Evaluation Method Based on Virtual-real Fusion Scene Construction
Table 1
Evaluation value and standard of visibility index.
The evaluation criteria of visibility index
The value of visibility index
The repair part is visible, the vertical viewing angle is within 15 degrees of the normal line of sight and the horizontal viewing angle is within 10 degrees of the center line
0.8–1.0
The repair part is visible, the vertical viewing angle is within 15 degrees of the normal line of sight or the horizontal viewing angle is within 10 degrees of the center line
0.7
The repair part is visible, the vertical viewing angle is 15 degrees away from the normal line of sight or the horizontal viewing angle is 10 degrees away from the center line
0.5
The repair part is visible, the vertical viewing angle is 15 degrees away from the normal line of sight and the horizontal viewing angle is 10 degrees away from the center line
