cat_to_val  R Documentation 
Use a categorical raster's RAT to convert it to a continuous raster
cat_to_val(r, which = 2)
r 
A categorical raster with a RAT (returned by

which 
An integer or character string giving the index or
name of the column in 
A continuous raster with each category level in r
replaced by its corresponding value.
Joshua O'Brien
r_cat < raster(matrix(c(2, 2, 2, 1), ncol = 2)) levels(r_cat) < data.frame(ID = c(1, 2), VAL1 = c(0.1, 200), VAL2 = c(33, 44)) ## Second column of RAT is used by default r_con1 < cat_to_val(r_cat) as.matrix(r_con1) ## Use 'which=' argument for conversion to another RAT column r_con2 < cat_to_val(r_cat, which = "VAL2") as.matrix(r_con2)
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