This is a pack of tone curve generating nodes and tone curve operation nodes (similar to the system used by other procedural editors). Each node has as its output the following elements:
1) upper gradient: this is the data used by all curve nodes. This also previews the effect the curve will have on the values within the range of 0-1.
2) a simple curve preview below the gradient
A sample of the available nodes:
Uploaded: about 1 month ago
Updated: 12 days ago
File Name: Tone_Curve_Library.zip
Size: 2.43 MB