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Author Topic: The beauty of the interior of a minibulb  (Read 6006 times)
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KRAFTWERK
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« on: January 14, 2010, 09:18:48 AM »

I find it extremely interesting inside the minibulb, havn┤t seen so many images from here.
Yesterday I found some better settings for the "inside" in Subblues pixelbender-script.

Will post the original (4000x4000 pix) on deviantart later...

I can see myself sitting there, with a cognac and a cigar, picking strange fruits from the walls  cheesy

J


* WOW.jpg (237.45 KB, 1000x1000 - viewed 651 times.)
« Last Edit: January 14, 2010, 09:22:56 AM by KRAFTWERK, Reason: spellingERROR » Logged

KRAFTWERK
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« Reply #1 on: January 14, 2010, 09:54:39 AM »

Part of the scenery in high-res...

When looking at it I think it is like the Seahorse-valley of the 2D version, so much details to explore...

J


* part.jpg (733.98 KB, 1366x1110 - viewed 641 times.)
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bib
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« Reply #2 on: January 14, 2010, 11:29:49 AM »

not so many details in this video, but some intersting views of the "inside" as well :
<a href="http://www.youtube.com/v/hUFDxTmNv1k&rel=1&fs=1&hd=1" target="_blank">http://www.youtube.com/v/hUFDxTmNv1k&rel=1&fs=1&hd=1</a>
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KRAFTWERK
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« Reply #3 on: January 14, 2010, 12:17:35 PM »

Your videos are supernice bib!
Most of the zooms I have seen here are ito the "skirts" of the "tower" like this one... if I can make a wish, I wold like you to do one, zooming into the minibulb, to the formations in my image in the first post, closer and closer (slowing down the camera of course) to new details.

My problem is that I run out of decimals in Pixelbender.... don┤t know how many decimals you can handle....

J


* minibulb.jpg (148.55 KB, 600x600 - viewed 834 times.)
« Last Edit: January 14, 2010, 12:21:49 PM by KRAFTWERK » Logged

David Makin
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« Reply #4 on: January 14, 2010, 01:19:56 PM »

My problem is that I run out of decimals in Pixelbender.... don┤t know how many decimals you can handle....

Because my formula (and Ron Barnett's) are in Ultra Fractal, so they use the CPU rather than the FPU, they use doubles rather than floats, so a distance threshold of as low as say 1e-14 should be possible (even smaller if you enabled UF's arbitrary preecision but then rendering would be *very* slow).
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KRAFTWERK
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« Reply #5 on: January 14, 2010, 01:30:43 PM »

My problem is that I run out of decimals in Pixelbender.... don┤t know how many decimals you can handle....

Because my formula (and Ron Barnett's) are in Ultra Fractal, so they use the CPU rather than the FPU, they use doubles rather than floats, so a distance threshold of as low as say 1e-14 should be possible (even smaller if you enabled UF's arbitrary preecision but then rendering would be *very* slow).


OK, so getting the kind of Zooms you see of the 2D mandelbrot would require months of rendering i guess...
But it would be very nice to see something of the kind, just to get the feel of how "fractal" this thing really is...

I mean, just look at the "fruitbasket" strapped to a wooden log in the first image, to zoom in on that and find some new shapes to zoom in to... I must buy a supercomputer and UF i guess wink

As I told Daniel White, it might not be the holy grale you have found here, but for me it is a solid gold one, and we still have a lot to find, things noone ever seen before (like the fruitbasket - it has been there all the time... =)

I am truly amazed

J


* Fruitbasket.jpg (421.1 KB, 868x852 - viewed 613 times.)
« Last Edit: January 14, 2010, 01:33:34 PM by KRAFTWERK, Reason: addendum » Logged

David Makin
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« Reply #6 on: January 14, 2010, 04:56:13 PM »

OK, so getting the kind of Zooms you see of the 2D mandelbrot would require months of rendering i guess...

Well a view of a full Mandelbulb at say 1920*1080 needs a solid threshold of around 1e-3, using a threshold of 1e-14 does give quite a bit of scope for zooming, not quite as much as a 2D fractal but still pretty good wink
Sticking to using analytical DE you could probably push the threshold maybe as far as 1e-16 without using arbitrary precision.
As you say, going further than that using arbitrary precision would take a long time.
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KRAFTWERK
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« Reply #7 on: January 14, 2010, 05:15:22 PM »

Well a view of a full Mandelbulb at say 1920*1080 needs a solid threshold of around 1e-3, using a threshold of 1e-14 does give quite a bit of scope for zooming, not quite as much as a 2D fractal but still pretty good wink
Sticking to using analytical DE you could probably push the threshold maybe as far as 1e-16 without using arbitrary precision.
As you say, going further than that using arbitrary precision would take a long time.

It┤s just for our talented 3D-animators to get going then? wink
Or for me to invest in UF...  afro
(How far has anyone gone in zooming stills? I know some of Daniel Whites renderings are rather deep, but I don┤t know how deep)
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bib
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« Reply #8 on: January 14, 2010, 06:53:00 PM »

My deepest zoom video:
<a href="http://www.youtube.com/v/-SSQMc3yu2k&rel=1&fs=1&hd=1" target="_blank">http://www.youtube.com/v/-SSQMc3yu2k&rel=1&fs=1&hd=1</a>

Next time I will try to zoom into the fruit salad instead of the tower wink
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trafassel
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« Reply #9 on: January 14, 2010, 08:51:19 PM »

And here ist another view of the tower, which is the "path to infinity" from the outer side.


* Data51pic10419a.jpg (174.15 KB, 1280x720 - viewed 642 times.)
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bib
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« Reply #10 on: January 14, 2010, 11:49:05 PM »

a minibulb in the "garden" area inside another minibulb


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KRAFTWERK
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« Reply #11 on: January 15, 2010, 08:57:32 AM »

Next time I will try to zoom into the fruit salad instead of the tower wink

YES bib, right answer! I really look forward to this!

I feel like a fruit-case myself... afro

Nice tower-zoom too! How "many decimals" are you down to in that one?
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KRAFTWERK
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« Reply #12 on: January 15, 2010, 09:00:00 AM »

And here ist another view of the tower, which is the "path to infinity" from the outer side.

Where on the tower is that trafassel?
And (sorry if I should know...) what do you mean by "path to infinity"?
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KRAFTWERK
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« Reply #13 on: January 15, 2010, 09:01:38 AM »

a minibulb in the "garden" area inside another minibulb

So this is the real thing? the "garden" area = the "garden" in my first image?

J
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bib
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« Reply #14 on: January 15, 2010, 10:26:58 AM »

Nice tower-zoom too! How "many decimals" are you down to in that one?
I don't know, I'm just using Dave Makin's formula for UF.

a minibulb in the "garden" area inside another minibulb

So this is the real thing? the "garden" area = the "garden" in my first image?

J
Yes.

Anybody has identified and classified the classic "zoo" of the Mandelbuld (whatever order) and their properties?
- Tower/Crater
- Garden
- Bulbs
-...
« Last Edit: January 15, 2010, 10:30:37 AM by bib » Logged

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