wbt_sigmoidal_contrast_stretch {whitebox}R Documentation

Sigmoidal contrast stretch

Description

Performs a sigmoidal contrast stretch on input images.

Usage

wbt_sigmoidal_contrast_stretch(
  input,
  output,
  cutoff = 0,
  gain = 1,
  num_tones = 256,
  wd = NULL,
  verbose_mode = FALSE
)

Arguments

input

Input raster file.

output

Output raster file.

cutoff

Cutoff value between 0.0 and 0.95.

gain

Gain value.

num_tones

Number of tones in the output image.

wd

Changes the working directory.

verbose_mode

Sets verbose mode. If verbose mode is False, tools will not print output messages.

Value

Returns the tool text outputs.


[Package whitebox version 1.4.0 Index]