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Author Topic: Mandelbulber v2 - 2.04  (Read 5261 times)
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Buddhi
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« on: May 09, 2015, 06:41:28 PM »

Mandelbulber v2 2.04

Free download (executables for win32 and win64 and multiplatform source): http://sourceforge.net/projects/mandelbulber/
Website:       http://www.mandelbulber.com/

With big help from Sebastian Jennen I have finished new release of Mandelbulber.
This time there was focus on implementation of NetRender engine.  This allows to render the same image or animation on several computers connected with Ethernet network. The program shares and schedule work for all connected workstations and uses all available CPUs.
Other significant change is implementation of ray-traced transparency. There are used Fresnel's equations for refraction to improve realism of image. Example is here: http://www.fractalforums.com/gallery-b177/almost-apollosphere/


What is new?
- added ray-traced transparency and Fresnel's refraction
- added NetRender - rendering of the same image or animation on multiple machines over the TCP/IP network (Internet, local LAN).
- shading of DOF parallelized via OpenMP (leverages shading time roughly about 1/3 on an 8 core CPU),
- added boolean functions for fractal formulas
- added transform functions for fractal formulas (useful for boolean operations)
- added several fractal formulas
- added box and spherical folding
- more ergonomic layout for IFS formula
- added log window (information dock)
- added histogram view
- application settings are saved when application is shut down
- fixed bug: saved jpeg images where corrupted when width was not multiply of 4
- fixed bug: there was noise when "stop at maximum iteration" mode was enabled
- source code repository moved to http://github.com/buddhi1980/mandelbulber2
- fixed bug: corrected calculation of coordinates of 3D cursor when there was used 3-point perspective

As always every feedback is appreciated!

Source code repository (GIT, SVN) https://github.com/buddhi1980/mandelbulber2

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mclarekin
Fractal Senior
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Posts: 1739



« Reply #1 on: May 10, 2015, 04:03:14 AM »

Thanks Buddhi and team.


So far running well except for an intermittent issue  where the render screen does not always update, this happened occasionally with V2.03 as well.

Simply changing between "fit to window"  to "100%" or vice versa refreshes the screen, so not a big problem. Might just be my computer configuration.
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meander
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Posts: 2


« Reply #2 on: May 13, 2015, 12:27:38 AM »

I have a mixed qt4 & qt5 environment under Debian Jesse, and on attempting a compile, received the error message:

"Project MESSAGE: Warning: unknown QT: uitools"

It is simply fixed by running "export QT_SELECT=5" before starting compilation.

Thanks again for a wonderful visual extravaganza!
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quaz0r
Fractal Molossus
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Posts: 652



« Reply #3 on: May 13, 2015, 05:00:49 AM »

on my system qt4 is installed to /usr/lib/qt4 and qt5 is installed to /usr/lib/qt5, so if i want qt5 i run /usr/lib/qt5/bin/qmake and all is well, *shrug*

as a side note, its time for qt4 to die already.
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mclarekin
Fractal Senior
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Posts: 1739



« Reply #4 on: May 14, 2015, 02:40:47 AM »

wishlist - for Boolean operations, being able to move and scale the individual fractals.
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mclarekin
Fractal Senior
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Posts: 1739



« Reply #5 on: May 18, 2015, 07:34:34 AM »

Saving PNG + alpha gives me a blank image, has anyone had this problem?
Rendering progress bar does not update after a while. Works again when I close and reload programme.

Being able to use more than one water effect is fun to explore


* Fractal Exploring V2.04.jpg (234.35 KB, 1200x900 - viewed 292 times.)
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mclarekin
Fractal Senior
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Posts: 1739



« Reply #6 on: May 19, 2015, 05:02:44 AM »

wish list - quarternion - formula specific parameters  - c.x, c.y, c.z & c.w. for the addition constants.

For all formulae that include  " + c " constant multiplier, being able to enter the x, y, z components individually as formula specific parameters would be good also.

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thegoatboy
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Posts: 12


« Reply #7 on: May 19, 2015, 04:06:04 PM »

Should this version work on a mac?
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visual.bermarte
Fractal Fertilizer
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Posts: 355



« Reply #8 on: May 19, 2015, 05:28:19 PM »

Not yet but this weekend I can give it a try if you want.  hurt
Does it work for you the other one?
« Last Edit: May 19, 2015, 06:08:10 PM by visual.bermarte » Logged
thegoatboy
Forums Freshman
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Posts: 12


« Reply #9 on: May 19, 2015, 05:31:42 PM »

I've tried 2.02 (I think) but have this problem:

http://www.fractalforums.com/general-discussion/mandelbulber-on-a-mac/msg83788/#new


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zebastian
Conqueror
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Posts: 121



« Reply #10 on: May 19, 2015, 09:54:13 PM »

Saving PNG + alpha gives me a blank image, has anyone had this problem?
Rendering progress bar does not update after a while. Works again when I close and reload programme.

Being able to use more than one water effect is fun to explore

To the alpha channel problem:
Yes, there is a bug in the current version, which produces "all empty alpha",
this causes the image to be fully transparent.
We will fix this in the new version.

Can you elaborate how to produce the second issue?
BTW: You can directly report issues to the development platform here:
https://github.com/buddhi1980/mandelbulber2/issues

Thanks for testing  smiley
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youhn
Fractal Molossus
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Posts: 696


Shapes only exists in our heads.


« Reply #11 on: May 24, 2015, 11:29:37 AM »

Since my main PC crashed a few weeks ago, now I only have my work laptop that I can use at home. But it's restricted, so I cannot installed anything. I do have access to a remote Linux PC, but it's over slow internet. To use Mandelbulber I see two options:

1. Compile under Linux on remote PC, but for Windows.
2. Use a portable-stand alone version of Mandelbulber

For both options I need help. Would it be possible to compile Mandelbulber v2 under Linux for Windows ... ? If not, would a portable software package be possible?
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quaz0r
Fractal Molossus
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Posts: 652



« Reply #12 on: May 24, 2015, 06:29:37 PM »

if the mandelbulber v2 windows installer is still like the installer i remember from v1, i think it just unarchives to an install directory, not writing to the registry or doing anything fancy, so can you just "install" it to your my documents folder or something?  thats how ive installed things like firefox on restricted work computers  smiley
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mfg
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« Reply #13 on: May 25, 2015, 07:16:26 AM »

Very nice software, congratulations!

How can I enter a user defined formula in this v2.04 version?
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youhn
Fractal Molossus
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Posts: 696


Shapes only exists in our heads.


« Reply #14 on: May 25, 2015, 10:08:10 AM »

For now you'll have to edit the source files and recompile the software. I could do that for you.

What formulas would you like to see added to Mandelbulber v2 ?
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