Square Root Colour

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Square Root Colour


The Square root family of nodes outputs the square root of the Main input value.

For colours the calculation is done on a component-wise basis, for example:

Output.red = square root of Input.red
Output.green = square root of Input.green
Output.blue = square root of Input.blue

These nodes have no other settings apart from the Main input node.


  • Name: This setting allows you to apply a descriptive name to the node, which can be helpful when using multiple Square root colour nodes in a project.
  • Enable: When checked, the node is active, and when unchecked the node is ignored.

A single object or device in the node network which generates or modifies data and may accept input data or create output data or both, depending on its function. Nodes usually have their own settings which control the data they create or how they modify data passing through them. Nodes are connected together in a network to perform work in a network-based user interface. In Terragen 2 nodes are connected together to describe a scene.