Today, lets explore the Chaotica Imaging widget.
As the name says, brightness controls how bright your image is. The effect of brightness will also depend on 1/gamma setting (for high values of 1/gamma, brightness will have less impact on the image).
You can either type in values, click on the up and down arrows or click on the arrows and drag.
Brightness effect on a gnarl:
People usually call it just Gamma. Increasing Gamma will basically make your fractal flame more solid.
Low Gamma may create some excessively bright spots.
High Gamma may introduce noise and artifacts (areas that would be almost transparent with lower gamma values will become visible). Also, may make the image look flat by reducing the contrast.
Look how increasing Gamma affects the gnarl:
Now on this imag