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Image Threads / Re: et
« Last post by gerrit on Today at 09:37:11 PM »
Have you tried or are you using series approx for burning ship? It would need a bivariate expansion in (cx,cy).
The 2nd derivative of abs() could be just set to zero, ignoring the singular point. (That works OK in different contexts such as optimization.)
Mandelbulber / Re: Files
« Last post by buddhi on Today at 06:46:34 PM »
A lot of interesting fract files you can find in examples attached to the program (just use File/Load example). Another source of interesting settings is Mandelbulber Facebook group Many people share settings together with their images.
Image Threads / Re: Seahorses and similar shapes
« Last post by pauldelbrot on Today at 05:34:48 PM »
Torches and Pitchforks
Discuss Fractalforums / Re: Printing big fractals
« Last post by drcoolson on Today at 04:45:50 PM »

Here is a great fractal supplied to me by Kees van den Doel, printing today

This machine will print up to 42" wide by any length

Thanks for looking

I attempted to fix it

Keep a backup of the old version to be able to reproduce old images!
Fractal movie gallery / Re: Rebirth
« Last post by Sabine62 on Today at 12:08:49 PM »
Really nice! :thumbs:
yeah congrats all..some sweet fractals and reindeers there : ) :thumbs:
Fractal Image Gallery / Re: MixPin Condo
« Last post by Sabine62 on Today at 11:58:19 AM »
Fantastic, Dick, you really take that formula-combi to a whole new level! :thumbs:

Must of course have a closer look at your terrain ;)
Fractal Image Gallery / Re: Mixpinski/LogY
« Last post by Sabine62 on Today at 11:51:56 AM »
@3DickUlus: Thanks for your input! Have tried to imply Claude's log => polynomial for single precision and it generates so many errors about version conflicts that I gave up in the end. It'll have to stay log until I can gather more courage to tackle the issue again, and though this is the expensive option, the total frag is really rendering quickly thankfully.

@mclarekin: I LOVE sinusoidal transforms, especially on the y-axis: they generate the spiky stuff in bulbs that I have so much fun with. Thanks for the more elaborate version! One thing: the slope seems to want to sabotage the DE  :)) Will have to investigate further  ;)

@ gerson: in 1-21.frag try to disable the Bloom on the Post-tab, then click on the render-image once to give it focus and then up in the menu make sure you are in Progressive mode with Subframe Max=10 and then click on the Start button. Hope this helps...
Fractal Mathematics And New Theories / Area of Julia set classic and cubic
« Last post by hgjf2 on Today at 08:29:54 AM »
Non-excel tables of area of Julia set: formulas z^2+c;z^3+c;z^3+z^2+c and z^3+i*z^2+c;
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