[Retracted] Rendering and Optimization Algorithm of Digital City’s 3D Artistic Landscape Based on Virtual Reality

Table 5

Road route selection parameters.

Parameter		Path distance algorithm
Impact factor		Slope, undulation
Grade		32
Hierarchical assignment		Equally divided
Road node	Starting point	2
	End point, midpoint	38
Surface grid	Vertical grid	Elevation
	Vertical coefficient intersection angle	±28
	Slope value	0.033 33