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Author Topic: Mandelbulber 0.96  (Read 3949 times)
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Buddhi
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« on: November 13, 2010, 05:05:12 PM »

Mandelbulber 0.96 - for Linux x86, Linux x64 and also for Win32

Open source program (GNU GPL) for rendering photo-realistic 3D fractals

Free download: http://sourceforge.net/projects/mandelbulber/

Website: http://sites.google.com/site/mandelbulber/

New features in version 0.96:

- added 3 new mandelbulb-like formulas
- fixed bug: spherical fording used wrong parameters
- fixed bug: when IFS folding mode was activated, there was not possible to set IFS parameters
- fixed bug: rendering of Flight animation didn't working - wrong calculation of last frame number

Before first run please use install script

SVN repository: http://mandelbulber.googlecode.com/svn/trunk/
This repository is available from Google Code: http://code.google.com/p/mandelbulber/

My gallery with images created using Mandelbulber: http://krzysztofmarczak.deviantart.com/gallery/
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FractalFoundation
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Infinite Math, Infinite Beauty, Infinite Love


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« Reply #1 on: November 15, 2010, 09:11:26 PM »

Wow, Krzysztof, Mandelbulber keeps getting better and better! I haven't really gotten to explore the rotation options much yet, but I'm excited to see how they work.

A couple of questions: I wonder if there's any explanation somewhere of how to use the IFS parameters? I keep playing with them, and I find some interesting things, but I don't understand at all what I'm doing!! I've played with the examples included in Mandelbulber, and some of the parameters in your deviantart page, but I'd like to understand what they mean, so I have a better chance to make more beautiful IFS animations. Any tips or suggestions? I'd love to create something as amazing as the IFS animation you put on youtube ( <a href="http://www.youtube.com/v/JlUMRMpLzRo&rel=1&fs=1&hd=1" target="_blank">http://www.youtube.com/v/JlUMRMpLzRo&rel=1&fs=1&hd=1</a> - especially that awesome creature at 1:25!) But I haven't been able to make anything nearly that cool. Too many combinations of parameters for me to get anywhere by random experimentation - I want to understand what I'm doing!

Secondly: I wonder if you have any plans to change the interpolation method for keyframe animation? I'm really grateful for the addition of the timeline, which helps a lot, but I still really have a hard time not bumping into things, cutting corners etc. The way the Catmull Rom splines overshoot the target is really annoying, and I wish the navigation were as smooth and predictable as the bezier curves used in Mandelbub3D. I know we can't have everything, but if there was just one improvement I could ask for in Mandelbulber, it would be for friendlier interpolation.

Well, mostly I just want to thank you again and again for this wonderful gift to the world of fractals!
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Russ McClay
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« Reply #2 on: November 16, 2010, 03:24:17 AM »

Mandelbulber 0.96 - for Linux x86, Linux x64 and also for Win32

Thank you, Buddhi!
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Russ McClay
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« Reply #3 on: November 16, 2010, 03:29:09 AM »

I'd love to create something as amazing as the IFS animation you put on youtube ( <a href="http://www.youtube.com/v/JlUMRMpLzRo&rel=1&fs=1&hd=1" target="_blank">http://www.youtube.com/v/JlUMRMpLzRo&rel=1&fs=1&hd=1</a> - especially that awesome creature at 1:25!) But I haven't been able to make anything nearly that cool. Too many combinations of parameters for me to get anywhere by random experimentation - I want to understand what I'm doing!

That truly is an amazing video!  I too would like to have some tips about making that kind of animation. I think I understand the basics, but some tips would be welcome.

Russ
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Russ McClay
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« Reply #4 on: November 16, 2010, 02:24:26 PM »

This may be a stupid question; but how does one derive the IFS Symmetry xyz coordinates, such as: 0.8090169943744749?

Through math? =0

Russ
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Russ McClay
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« Reply #5 on: November 17, 2010, 01:27:04 PM »

Actually entered a value of -1 in the DE step factor. Hit Render.  Crazy numbers in the render info.  Then hit Stop.  Program stalls.  Stops responding.  Repeatable behavior.  Windows 7.

Should I post this sort of thing on SourceForge rather than here in the Mandelbulber forum?
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jotero
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« Reply #6 on: November 20, 2010, 11:57:09 AM »

hello all smiley

Thank you for the new version  cheesy

This is no longer with the new version Mandelbulber 0.96!




Fractal formula type: Hybrid and Julia mode x: -1.999 y: 0 z: 0
Kaleidoscopic IFS scale 1.8 rotation alfa: 0 rotation beta: 0 rotation gamma: 0 offset x:1 y:1 z:1 abs xyz on
Hybrid and Formula #1 Mandelbox iteratioins: 12 -|- Formula #2 Menger sponge iterations 12

mandelbulber 0.94________________________________________________mandelbulber 0.96


NO Kaleidoscopic IFS
mandelbulber 0.94________________________________________________mandelbulber 0.96


NO Julia mode
mandelbulber 0.94________________________________________________mandelbulber 0.96


It is only when the old (. Fract) from the 0.94 loads.

sorry, my English is not so good wink

ciao
torolf
« Last Edit: November 20, 2010, 12:14:29 PM by jotero » Logged
Buddhi
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« Reply #7 on: November 20, 2010, 12:34:38 PM »

hello all smiley
This is no longer with the new version Mandelbulber 0.96!

It is only when the old (. Fract) from the 0.94 loads.

I would like to check this problem. I supposed that it is because of some bug in function which convert old Mandelbox parameters to new version. Could you send me these settings files (from version 0.94) which looks different in version 0.96?
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jotero
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« Reply #8 on: November 20, 2010, 12:45:07 PM »

hello all smiley
This is no longer with the new version Mandelbulber 0.96!

It is only when the old (. Fract) from the 0.94 loads.

I would like to check this problem. I supposed that it is because of some bug in function which convert old Mandelbox parameters to new version. Could you send me these settings files (from version 0.94) which looks different in version 0.96?
smiley
http://www.jotero.com/bilder/mandelbulber/mandelbulber-win32-0_0_94.zip
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Buddhi
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« Reply #9 on: November 20, 2010, 12:59:59 PM »

I have just checked it. On my computer with version 0.96 it looks exactly like on version 0.94. But I found that your image looks different because in original settings file (0.94) DE step factor = 0.2 and in version 0.96 probably you had DE step factor = 1.0. Please try to decrease DE_step factor.
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jotero
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« Reply #10 on: November 20, 2010, 01:45:29 PM »

buddhi@ yes, I've missed, thanks for your help  embarrass

Mandelbulber 0.96  afro


ciao
torolf
« Last Edit: November 21, 2010, 09:29:28 AM by jotero » Logged
German Fafian
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Posts: 19



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« Reply #11 on: November 25, 2010, 01:53:53 PM »

First off;

Thanks for this great program. I like exploring fractals while taking time off from my music and Mandelbulber is a nice app with lots of potential for noobs like me  cheesy

Second;

What a great animation!!!!! surprised
I hope I'll get to learn how to do something like that as a visual showcase for my music.

Third;

Thanks again  cheesy

Take care.

Never mind. I found the user guide PDF :doh!:
« Last Edit: November 25, 2010, 01:55:36 PM by German Fafian » Logged

Your physical abilities should not limit your creativity.
jotero
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« Reply #12 on: November 27, 2010, 12:05:40 PM »

hello all smiley

There render artifacts "shadow"?


Here are the pictures:
http://www.fractalforums.com/gallery-b177/mandelbulber-gallery-of-torolf-sauermann/

ciao
torolf
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Buddhi
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« Reply #13 on: November 27, 2010, 12:17:24 PM »

There render artifacts "shadow"?

These artifacts are caused by Screen Space Ambient Occlusion (SSAO) algorithm. Because this algorithm uses many simplifications, sometime there are visible some "steps" on images. To reduce this effect, try to increase Post Effects/Screen Space Ambient Occlusion/Quality parameter. The optimal value is about 20-30 for images in resolution 1200x800, 50-60 for resolution 6000x4000. Of course higher quality will slow down rendering.
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jotero
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Posts: 107


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« Reply #14 on: November 27, 2010, 01:12:36 PM »

There render artifacts "shadow"?

These artifacts are caused by Screen Space Ambient Occlusion (SSAO) algorithm. Because this algorithm uses many simplifications, sometime there are visible some "steps" on images. To reduce this effect, try to increase Post Effects/Screen Space Ambient Occlusion/Quality parameter. The optimal value is about 20-30 for images in resolution 1200x800, 50-60 for resolution 6000x4000. Of course higher quality will slow down rendering.

many thanks for the very quick response. embarrass
http://www.jotero.com/bilder/mandelbulber/mandelbulber_25_11_2010_09_sauermann.jpg
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