ContrastBrightness
Summary
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.
Syntax
ContrastBrightness(raster, {contrast_offset}, {brightness_offset})
| Parameter | Explanation | Data Type |
|---|---|---|
|
raster |
The input raster. |
Raster |
|
contrast_offset |
Specify the contrast offset value. Value can range from -100 through 100. The default value is 0. |
Double |
|
brightness_offset |
Specify the contrast offset value. Value can range from -100 through 100. The default value is 0. |
Double |
Return value
| Data Type | Explanation |
|---|---|
|
Raster |
The output image improved with contrast and brightness enhancement. |
Code sample
Creates an enhanced image by improving the contrast and brightness of the source image.
import arcpy
ContrastBrightness_raster = arcpy.sa.ContrastBrightness(in_raster1, -50, 100)