Phillip posted May 21 at 4:23 pm

I have a bunch of gnarl formulas, and I generally color only the inside. Is there a way to set a default inside coloring algo such that the previews show anything interesting at all?

Thx in advance,

recent by Phillip  ·  4 days ago at 1:26 pm
Dint posted May 9 at 6:00 pm
I have created my own formulas and have even created an entire script for Ultrafractal with interchangeable parameters. I was wondering, Has anyone tried using the formulas created in Ultrafractal and tried to create a 3d fractal creation in Mandlebulb?

I am trying to figure out how I could do that and am for some reason having a mental block or is it just not possible?

I know this is
So I've been trying to find different ways to get rid of this stutter that occurs at the start and end of my looping gradients.

The slower the animation, the more obvious it is but it's still there even when it's just 6 seconds on loop.

Example posted to YouTube

It occurred on my ancient PC and it still happens on my newer one which makes me think it's a software issue. Does anyone h
recent by Sycaid  ·  May 3 at 8:06 pm
I am pleased to announce that I am deploying the first release of my plugin library pack of vectors, quaternions and matrices! Feel free to send feedback here, send bug reports and feature requests and in FractalForums!;topic=5310.0;attach=30889


recent by Alexandre Vachon  ·  May 3 at 12:40 pm
I am testing UF6 right now, and try to make the first formulas. For this i try to translate the trigonometric functions from here ... to UF.
(UF should have a complete 24 set of all trigonometric functions, for float and complex.)

Now i stack, because i not get it done to return a complex value.
Can somebody tell me how to return a complex
recent by Frederik Slijkerman  ·  May 3 at 10:08 am
Tester37 posted Apr 8 at 10:22 pm

in case somebody interested, I found a normalisation of the lambda formula.

a = (p + 1) / (2 ^ p)

z = (a - z^p) / a z c

recent by Tester37  ·  Apr 10 at 3:44 pm
Urs posted Sep 30 '18 at 5:53 pm
Hi, after using only notebooks for over a decade, I am thinking about getting a (Windows) desktop PC. Not being much of a gamer, my primary concern with performance is deep-zooming the Mandelbrot set in UF. Does anybody have a suggestion for this, or even a benchmark computed on their machine?

I've read Frederik suggesting an i7. Is UF specifically tailored to Intel? I never read anything abo
recent by Frederik Slijkerman  ·  Mar 11 at 8:07 am
physicist posted Feb 24 at 7:02 pm
This is a follow-up to my previous Tutorial, “FormulaX Plug-ins”. If you haven’t read the introductory quote from the Ultra Fractal (UF) help file in that posting, do so now, and upload the latest version of the UF formulas. Here’s the upr and the image it produces.

1 {
recent by Kieckhefer  ·  Mar 7 at 2:20 pm
JVYV posted Mar 1 at 9:40 am
Hi All,

In the month February 2024, 3 new fractal parameter files in the collection.

You can find the whole existing collection at the cloud of Microsoft:!1034&authkey=!ALIZio6ZmgV1aAo&ithint=folder%2ctxt

Greetings from Belgium

Jan Vyvey

recent by Sycaid  ·  Mar 7 at 4:02 am
dannac posted Feb 25 at 3:41 pm
Lets say I have more than 1 fractal window open.

I realize I can go to the top menu Window - ( choose fractal window )

Is there a way to assign a keyboard short cut to switch between the fractal windows ?

recent by dannac  ·  Feb 26 at 1:55 pm
Spizzi posted Jun 23 '22 at 5:36 pm
Hi All,
I'm working on a new game The formula is TMan in Russell Walsmith orgform.
Basically is my SlopeTMan that i'm rewritng and re-structured but i have a problem.
I have implemented the TMan of Russell and i added also a normal Mandelbrot that i attach under.
In your opinion is it correct?
That parameter is correct?
Try it to p1 (0.0 , 0.1), you will see the black line, i t
recent by PedroOrtiz  ·  Feb 21 at 3:16 pm
Hi - I'm trying to do some zooms and I'm getting a lot of "sparklies" in areas where there's lots of detail (hopefully that descriptor makes sense). Adjusting the anti-aliasing parameters help a bit but the sparklies never really go away. Depth 2 or 3 seems to have the most effect but the render times become extremely long. Threshold of 0 vs. 0.1 vs 0.2 doesn't seem to have much effect. I've
recent by Phillip  ·  Feb 14 at 10:08 pm
physicist posted Feb 10 at 3:12 pm
I’ll start with this quotation from the UF help file:

Since the first release of Ultra Fractal in 1998, the formulas written for it have become larger and more complex. Even though many formulas are quite similar, they could not share any common code, but had to be written as stand-alone formulas. For example, if you wanted to add just one new feature to an existing formula written by s
recent by Frederik Slijkerman  ·  Feb 14 at 9:30 pm
Hi there,
I love kcc outside coloring trap shapes. There is one however that doesn't work correctly when setting the background color to zero opacity, it's the bubbles trap. The other shapes are ok and the black disappears. I've even tried different formulas but with same results. Does anyone know why this is?

I've included an example and for some reason the params are very long, sorry
recent by KathyR  ·  Feb 13 at 7:17 pm
JVYV posted Dec 27 '17 at 12:49 pm
Hi Frederik,

When using UF6 (and the previous versions also) my computers CPU (Intel I5 with 4 cores) is working at 100 % while my GPU (NVIDIA GeForce GTX670) is doing ... right ... nothing at all.

There are softwares - I'm refering to "SETI@home" (*) - that are doing math calculations and are using not only the CPU's in your PC but also the GPU as you can see on the diagram below and th
recent by FractalGnome  ·  Feb 9 at 5:49 pm
Hi everyone,

I'm very happy to announce the release of Ultra Fractal 6.06. This free update for existing version 6 users introduces native Apple Silicon support, so Ultra Fractal will now run at maximum speed on all new Macs using M1 or later processors. For both Mac and Windows, this update also includes various bug fixes.

You can download it here:
I'd like to compute animation parameters outside Ultra Fractal and then import them as keyframes at specific times. For example, I'd like to import different seed keyframes and animate between them.

Is there any way to do that?

Right now I have to manually enter keyframes and values within the keyframe editor and that takes a very long time for longer animations, especially if I'm changi
recent by rgames  ·  Feb 8 at 11:34 pm
Is there a way nowadays to export a flame (a single layer, actually) that is in an UPR as a .flame or to the clipboard or revert it back to be imported into Apophysis 7 or to the clipboard without any extra UF codes so that it can be read and redone? It currently uses the direct coloring algorithm (but it was originally made way before that, it's from 2004), and it's impossible to know which tran
JVYV posted Feb 1 at 9:11 am
Hi all,

No new fractal parameters for 2023/12 and 2024/01.

Greetings from Belgium.


AbstractApproach posted Nov 20 '23 at 11:57 pm
So I played with UF again today. Somehow I'm ... still around ...

InAllTheWaysICanGrow {
recent by physicist  ·  Jan 17 at 2:12 pm
Spizzi posted Jul 14 '23 at 4:45 pm
Hi all,
Another one exploring always SlopeMandNetwon and 3D texturizer Enhanced III in color mode point source, interesting shapes, now i have a new game.
Have a good week end

MandyNewton {
recent by jns  ·  Jan 14 at 1:34 pm
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