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Author Topic: Re: True 3D mandelbrot type fractal  (Read 8290 times)
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shanest
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« on: November 19, 2009, 11:44:55 PM »

I've found the 3D fractals in mmf.ufm but the rendering is just solid blue and black.  None of the intricacy I expected to see is there.  How can I set the rendering/texture settings to actually make something that resembles these bulbs?

Sorry that I'm asking so many n00b questions, I'm just trying very hard to get exploring!
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David Makin
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« Reply #1 on: November 19, 2009, 11:56:07 PM »

I've found the 3D fractals in mmf.ufm but the rendering is just solid blue and black.  None of the intricacy I expected to see is there.  How can I set the rendering/texture settings to actually make something that resembles these bulbs?

Sorry that I'm asking so many n00b questions, I'm just trying very hard to get exploring!

The 3D fractal formula in mmf.ufm is ancient code and doesn't have the Mandelbulb and the ray-stepping method is pretty poor smiley

I've zipped up my new Wip3D formula file on it's own rather than it being part of a parameter file and you can download it here:

http://www.fractalgallery.co.uk/MMFwip3D.zip

Make a sub-folder inside the Ultra Fractal 5 "Formulas/My Formulas" folder and call it say "Downloads" and unzip the ufm from the zip file into there (this will save getting it confused with other UF formulas), then use it by browsing to select a formula file within UF in the usual manner.
Note that the "solid" objects produced are "outside" and with the default settings of the formula you should choose say "None" from Standard.ucl as the inside colouring and "3D colouring direct" from mmf4.ucl as the outside colouring (make sure you have the latest version of mmf4.ucl from the UF fornula database).

Note that the "White/Nylander" option is using the same formula as Paul posted here:

http://www.fractalforums.com/3d-fractal-generation/true-3d-mandlebrot-type-fractal/msg8680/#msg8680

Except that by default the sine in the z term is negated as in the "original" version.
« Last Edit: February 05, 2010, 09:37:53 PM by David Makin » Logged

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« Reply #2 on: November 20, 2009, 03:24:26 AM »

shanest,

It is seems I can't do a quote from closed thread, but you said:
---------------------------------------------------------------------
For now, I'm running UF5 under WINE and it appears to work well.
I can't, however, figure out how to get your 3D code or the 3DRaytracerFormula plugin.
---------------------------------------------------------------------

If you are running UF5 then you can do an update from the UF database. You need to do a recent update because I have been making frequent changes to 3DFractalRaytrace and the plugins, all of which are in reb.ulb in the UF database. Try running this upr. If it won't run for you then your UF5 files are not up to date.

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