RStoolbox (version 0.4.0)

rasterEntropy: Multi-layer Pixel Entropy

Description

Shannon entropy is calculated for each pixel based on it's layer values. To be used with categorical / integer valued rasters.

Usage

rasterEntropy(img, ...)

Value

SpatRaster "entropy"

Arguments

img

RasterStack or RasterBrick or SpatRaster

...

additional arguments passed to writeRaster

Details

Entropy is calculated as -sum(p log(p)); p being the class frequency per pixel.

Examples

Run this code
re <- rasterEntropy(rlogo)
ggR(re, geom_raster = TRUE)

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