Calculation Method for Grading Size and Grading Bounding Box of Virtual Aggregate Based on DEM

Table 1

The plane parameters of the polyhedral geometric shell.

Plane	Unit normal vector	Distance (mm)
1	(0.512, −0.422, 0.748)	4.791
2	(−0.482, 0.396, 0.782)	6.336
3	(0.020, −0.98, −0.183)	5.685
4	(−0.922, −0.380, −0.074)	6.936
5	(0.928, 0.347, −0.133)	3.986
6	(0.090, 0.995, −0.047)	5.174
7	(0.311, −0.332, −0.891)	6.463
8	(−0.465, 0.571, −0.676)	4.190