ContrastBrightness

Synthèse

Creates an enhanced image by improving the contrast and brightness of the source image.

This function works on an 8-bit input raster only.

Discussion

For more information about how this function works, see the ContrastBrightness raster function.

The referenced raster dataset for the raster object is temporary. To make it permanent, you can call the raster object's save method.

Syntaxe

ContrastBrightness (raster, {contrast_offset}, {brightness_offset})

Paramètre	Explication	Type de données
raster	The input raster.	Raster
contrast_offset	Specify the contrast offset value. Value can range from -100 through 100. (La valeur par défaut est 0)	Double
brightness_offset	Specify the contrast offset value. Value can range from -100 through 100. (La valeur par défaut est 0)	Double

Valeur renvoyée

Type de données	Explication
Raster	The output image improved with contrast and brightness enhancement.

Exemple de code

ContrastBrightness example

Creates an enhanced image by improving the contrast and brightness of the source image.

import arcpy

ContrastBrightness_raster = arcpy.ia.ContrastBrightness(in_raster1, -50, 100)