Pixel (2 Iterations)
From Ultrafractal Wiki
Pixel (2 Iterations) is a Fractal Formula in sam.ufm
Hi,
Here is the result of a kind of personnal challenge... The basic idea is just to use the orbit trap coloring on a trivial formula. It won't work if you use the usual pixel formulas, it's why I wrote some time ago the pixel (2 iterations) formula (in sam.ufm). Just use it with generic coloring -> orbit trap, and you will see the trap shape itself. It might also be a useful trick to engeneer complicated traps to be used later with standard formulas.
The new possibilities of class programming in UF 5 allow many alternatives to escape time formulas which deserve to be explored imho.
Cheers,
Sam
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}
***
I used your Pixel (2 iterations) and applied all the Trap Shapes in Orbit Traps. Several, on first glance, appear to be identical (Point and Ring, Hyperbola and Hypercross, Box and Rectangle); however when compared using the Difference merge mode, they are not. When I did this comparison, with Waves (mirrored) and Waves (mirrored 2) they still seem to be identical. Not being a formula writer, I wasn't sure how to compare the two by looking at the formula itself. Are they really different? And how can I see the difference?
Here is my upr where each layer is a different trap shape, with 4 Waves layers (1 for each style) and 4 Gaussian Integer layers (1 for each Integer Type):
Trap Shapes {
; Title: Trap Shapes
; Created in UF5
; Free to use; no copyright.
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***
Hi !
There is a difference. "Point" computes the distance to a point. "Ring" computes the distance to a ring (that is a circle). Choosing for instance CubeRoot as a transfer function will make the difference obvious.
Cheers,
Sam

