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Blender Compositing and Post Processing

You're reading from   Blender Compositing and Post Processing From basic grading techniques through to advanced lighting and camera effects, this guide to compositing with Blender teaches digital CG artists the way to bring a new level of dynamism and realism to their footage.

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Product type Paperback
Published in Jan 2014
Publisher
ISBN-13 9781782161127
Length 114 pages
Edition Edition
Languages
Tools
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Toc

Inverting values


Sometimes, it's faster to invert a mask or RGB tones rather than recreating a new one. Though there is an Invert node to do this, it's worth understanding how the same effect can be obtained using a different node. This can enhance the perception on node utilizations, as shown in the following screenshot:

The previous screenshot explains multiple ways to invert an image. Using the F key on the ColorRamp node to invert the black and white handles, subtracting the input from 1 using a Math node, and reversing the default curve in RGB curves node will result in inverting the input image.

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