Three-Dimensional Reconstruction of Huizhou Landscape Combined with Multimedia Technology and Geographic Information System

Table 3

Landscape index selection and description.

Index	Index	Formula	Formula description
Quantity	Plaque number		n is the type of landscape, i is the number of landscapes
Area and perimeter	The total length of the boundary		The sum of all plaque lengths of a landscape type m
	Area of a landscape type		The sum of all plaque areas of a landscape type
	Average plaque area		Divide the total area of the landscape by the total number of patches and multiply by
	Landscape shape index		E is the total length m of all plaques, B is the landscape’s total area, and 0.25 is the square correction constant
Shape	Area-weighted average patch fractal dimension		is the plaque circumference, is the plaque area, and 0.25 is the square correction constant
Diversity	Landscape diversity		The proportion of the total area of the landscape for each plaque type
	Index
Aggregation	Walking and juxtaposition index		E is the perimeter of plaque i
	Aggregation		m is the number of landscape types