Contrast Brightness cannot be used with Monochrome raster images

Problem

Contrast Brightness cannot be used with Monochrome raster images. I get the message “Raster image’s color mode is invalid.”

Raster image is Monochrome. Contrast Brightness cannot be used with monochrome raster images.

To use Contrast Brightness you can

· highlight raster image in Raster Manager

· select Save As

· set File name

· set Save as type raster format

· select Options

· set Color Mode to RGB

· Save

Contrast Brightness can now be used with the RGB raster image

Original Author:

Frank McAllister

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