Calculate Surface/Image Texture Indexes

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Documentation for package ‘SurfRough’ version 0.0.1.0

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anisoDir Calculate the direction of maximum continuity considering 4 directions
anisoDirL Calculate the direction of maximum continuity considering 4 directions
anisoR Calculate the index of anisotropy considering the spatial variability along 4 directions
anisoRL Calculate the index of anisotropy considering the spatial variability along 4 directions
CalcMeans Calculate the mean of absolute values raised to an exponent found in a search window
CalcMedians Calculate the median of absolute values found in a search window for each raster in a list
circularDispersionGV Compute circular variance of aspect (i.e. of the gradient vector)
circularDispersionNV Compute circular variance of normal vectors to surface
circularEigenNV Compute circular variance of normal vectors to surface
k05ck2 basic kernels
k1c basic kernels
k1ck2 basic kernels
k2c basic kernels
k2ck2 basic kernels
k4c basic kernels
k6c basic kernels
k8c basic kernels
KernelCircular Build a circular moving window
KernelRectangular Build a rectangular kernel of size X x Y
Madscan Calculate MAD basic indexes
Meanscan Calculate less robust geostatistical indexes (mean of absolute differences raised to an exponent)
RRI RRI: Radial Roughness index
Trik2 Improved TRI (with differences of order 2), removing slope dependence.