R: Stretch

stretch {raster}

R Documentation

Stretch

Linear stretch of values in a Raster object

## S4 method for signature 'Raster'
stretch(x, minv=0, maxv=255, minq=0, maxq=1, filename='', ...)

`x`	Raster object
`minv`	numeric >= 0 and smaller than maxv. lower bound of streched value
`maxv`	numeric <= 255 and larger than maxv. upper bound of streched value
`minq`	numeric >= 0 and smaller than maxq. lower quitile bound of original value
`maxq`	numeric <= 1 and larger than minq. upper quitile bound of original value
`filename`	character. Filename for the output Raster object (optional)
`...`	additional arguments as for `writeRaster`

Raster

r <- raster(nc=10, nr=10)
values(r) <- 1:100 * 10
stretch(r)
s <- stack(r, r*2)
stretch(s)

[Package raster version 3.0-7 Index]