Asinh-stretch an image or numeric array
Arguments
- x
Numeric vector, matrix, or array.
- qlo
Lower quantile used as the display floor.
- qhi
Upper quantile used as the display ceiling.
- scale
Optional asinh scale. If
NULL, it is estimated from the quantile range.- nonneg
Logical; clamp negative values to zero before stretching.
- na.rm
Logical; ignore non-finite values when estimating quantiles.