sfd_: Calculate the fractal dimension of a raster (C function).

In geodiv: Methods for Calculating Gradient Surface Metrics

Calculate the fractal dimension of a raster (C function).

Description

Calculates the 3D fractal dimension of a raster using the triangular prism surface area method.

Usage

sfd_(mat)

Arguments

mat

A matrix.

Value

A numeric value representing the fractal dimension of the image.

References

Clarke, K.C., 1986. Computation of the fractal dimension of topographic surfaces using the triangular prism surface area method. Computers & Geosciences, 12(5), pp.713-722.

Examples

# import raster image
data(normforest)
normforest <- terra::unwrap(normforest)

# convert to matrix
mat <- matrix(normforest[], ncol = ncol(normforest), nrow = nrow(normforest))

# calculate the fractal dimension
Sfd <- sfd_(mat)

geodiv documentation built on Oct. 6, 2023, 1:07 a.m.