Coloring in Apophysis - Part 2

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tatasz's avatar
A brief guide to coloring in Apophysis. A Chaotica tutorial on the subject coming out soon too =D

Last but not least, if you fancy the gradient i used as example here, you can download it from:

Gradient Pack #3 by tatasz

Coloring - Editor

Now that we are done with the gradient, lets explore the Colors tab in the editor.

1 Editor by tatasz

We will see how transform color, color speed and opacity work.

1 - Opacity

Opacity is the opacity of the transform. Opacity 0 means it will be entirely transparent, and opacity 1, entirely opaque. Lets change the opacity of one of the transforms:

opacity = 0                                   opacity = 1
2 Op 0 by tatasz 2 Op 1 by tatasz

This setting is very handy when you cannot remove a transform (important part of your fractal`s structure) but also doesn't want it to be visible.
Although i didn't show a picture of this, you may use also values between 0 and 1 for opacity (for example, when you need a transform to be less bright, but cannot lower it's weight).

2 - Transform color

This is the color of the transform. It will not paint the transform with the chosen color though (not necessarely).
Basically, the final color will be a mix of the colors of the whole fractal and the transform color. The weight of transform color on the actual colors of Cthe transform is given by color Speed.

3 - Color speed

Color speed is how much the transform color will actually contribute to the final coloring.

Color speed -1 will make the transform solid color.
whole fractal                                transform 1
3 Color Speed -1 by tatasz 3 -1 X1 by tatasz

Color speed -0.99. It is almost solid color, but you can already see a small contribution of other transforms.
whole fractal                                transform 1
3 Color Speed -99 by tatasz 3 -99 X1 by tatasz

Color speed 0 (default value).
whole fractal                                transform 1
3 Color Speed 0 by tatasz 3 0 X1 by tatasz

Color speed 1. The transform keeps the colors unchanged: see how the coloring of the transform is identical to the coloring of the whole fractal.
whole fractal                                transform 1
3 Color Speed 1 by tatasz 3 1 X1 by tatasz

In the next part, we will see a few coloring examples of some common frameworks.

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tsahel's avatar
I re-read your tips and Bingo, I bein to see ligth with the color speed (I used to set it at 0.5, wich I find give nice result but not always what I want ;) )
HexaChronos's avatar
Ah, I've seen a few things about the way color is applied in Apophysis, but they were mostly phrased weirdly or hard to understand, so I mostly just got through trial and error to where I wanted to be.
This tutorial phrases it clear and easy to understand though, thanks a lot for that :)
I can't help but notice though that you didn't write anything about the Direct Color function. I haven't seen it doing anything in the program either.