Enhanced Traps Tutorial for UltraFractal - Page 3

 

Modulated Iteration

Modulated Iteration is the coloring method that results from choosing the Iteration coloring mode with discrete colors. This is a specialized coloring mode that can produce very interesting results. The next set of images use Hopalong Orbit Trap Enhanced and a Julia formula that has 4 arms on all the repeating spirals. if the # of iteration colors is the same as the the number of spiral arms, each arm can be colored with a specific color. To do this take the image gradient and use the Randomize gradient function in UltraFractal with the following settings:

Click the generate button and don't worry about the specific colors. Edit the Hue, Saturation and Luminance values for the four gradient points to achieve the colors you want. Be careful not to move any of the gradient points to the left or right. Here is the gradient used on the next two images:

On the outside tab in UltraFractal make sure the color density = 1 and the transfer function = linear. If your fractal has a different number of spiral arms change all the settings accordingly. Here are two images, both of which have two layers, with the upper layer using Modulated Iteration and the lower layer providing the contouring.

Lower Layer uses
Coloring mode = Distance
Lower Layer uses
Coloring mode = Magnitude

The interesting shapes in these two images come from increasing Hopalong iterations to 5 and Scale to 2. Here is the upr for the Magnitude image. Study the upr to see how the image was created.

hopalongmoditer2 {
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}

The next two images are for a 5 armed spiral and a 7 armed spiral. They have multiple layers and use different trap formulas. Study the uprs to see how the images are created.

Hearts-n-Birds Abstraction
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}
Abstraction {
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}
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