wbt_sigmoidal_contrast_stretch: Sigmoidal contrast stretch

In whitebox: 'WhiteboxTools' R Frontend

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.

whitebox documentation built on Sept. 7, 2020, 3 p.m.