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Author Topic: Buddhabrot Mag(nifier) - A realtime buddhabrot zoomer  (Read 2172 times)
Description: An OpenCL accelerated interactive realtime buddhabrot zoomer
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Sharkigator
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« Reply #30 on: April 21, 2017, 03:34:52 PM »

Another small Update: 0.5.2

- Fixed various compilation bugs and wrong implementation of some functions.
- Implemented Periodicity Checking (speedup)
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Spain2points
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« Reply #31 on: April 21, 2017, 08:53:55 PM »

thanks a lot, this looks like fun
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Sharkigator
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« Reply #32 on: May 18, 2017, 03:30:21 PM »

New version: 0.6
See the first post for download link.

New features:
  • New acceleration methods: Priority Mapping and Low Contribution Termination
  • Option to set the preview to a fixed resolution.
    This also disables zooming / scrolling.

and several tiny changes and bugfixes.

If you find any bugs, please tell me.
Thank you!
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Chillheimer
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« Reply #33 on: May 19, 2017, 02:04:11 PM »

cool - great to see you still working on it! smiley
question: the fixed resolution thing, is there a way export the full size (preview) image?
example: I have a screen resolution of 1920*1080 but set the fixed resolution to 3840*2160 and start rendering.
I hit pause when the image looks like I hoped.
Now I see ithe image in my current monitorscreen resolution of 1920*1080 but if I understand it correctly the actual image has a resolution of 3840*2160. And I want THAT 4k image - how do I get it?

and the obligatory "I never get enough" feature request: save/load locations&settings to revisit and share them.

also: this would be a cool feature http://www.fractalforums.com/index.php?topic=25668.msg101254#msg101254

too bad I have to get back to work and have only little time to test in the next days..
« Last Edit: May 19, 2017, 02:11:19 PM by Chillheimer » Logged

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Sharkigator
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« Reply #34 on: May 19, 2017, 03:34:07 PM »

question: the fixed resolution thing, is there a way export the full size (preview) image?
example: I have a screen resolution of 1920*1080 but set the fixed resolution to 3840*2160 and start rendering.
I hit pause when the image looks like I hoped.
Now I see the image in my current monitor screen resolution of 1920*1080 but if I understand it correctly the actual image has a resolution of 3840*2160. And I want THAT 4k image - how do I get it?
There's a "Save Current Preview" button on the "Actions" tab.
Sorry, I guess the UI could be better.
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Chillheimer
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« Reply #35 on: May 19, 2017, 05:18:42 PM »

awesome! thanks a lot for implementing that, this makes it so much useful for my workflow! smiley

never mind! its 0.x and work in progress, constantly improving.
If you need specific input on anything just ask, I'm happy to help out.

I suggest merging the clear/pause/apply area with the static preview section.
Making it
Preview-Settings:
Top Row: Start/Pause, Apply Settings and Clear
2nd Row: Checkbox "Fixed Resolution" + optional "keep aspect ratio"-checkbox
3rd Row: Height and Width
4th Row: Zoom in/out and Save Preview Buttons

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--- Fractals - add some Chaos to your life and put the world in order. ---
Sharkigator
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« Reply #36 on: May 19, 2017, 05:44:55 PM »

Another tiny update (0.6.1), fixed some newly introduced artifacts...
See first post for download.

Also a reply:
I suggest merging the clear/pause/apply area with the static preview section.
Making it
Preview-Settings:
Top Row: Start/Pause, Apply Settings and Clear
2nd Row: Checkbox "Fixed Resolution" + optional "keep aspect ratio"-checkbox
3rd Row: Height and Width
4th Row: Zoom in/out and Save Preview Buttons
Well, I tried to keep that top part as small as possible, because it takes away space from the tabs.
Especially on a small screen (i. e. my laptop), for example the color tab already almost fills up the whole screen height, and having using space above the tabs would make this even worse.
There are a few things I could do, like having options in separate "pop-up" windows, but I hate things like that and I tried to keep it as non-modal as possible.

Also, I could make all the grayed-out options invisible instead.
But that hides functionality, so a new user would probably overlook the "invisible" options.
And options disappearing if you click something makes it confusing.

What I'd like best would be little animated collapsible containers, but Windows Forms does not offer that out-of-the-box. D:
So for now I'll probably keep it the way it is...
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Gerson
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« Reply #37 on: June 05, 2017, 08:03:28 PM »

What files I need to install (OpenCL) and where I can get download it to run the program?

About:
System Requirements:
    OpenCL >= 1.2
    OpenCL Extension cl_khr_gl_sharing must be supported.
    OpenCL image support

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PieMan597
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« Reply #38 on: June 05, 2017, 11:45:09 PM »

OpenCL comes with your graphics card drivers, or alternatively your integrated graphics drivers. If you have those, the program should work fine.

There is a download link in the first post in this thread.
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Alef
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« Reply #39 on: June 14, 2017, 11:51:19 AM »

Hadn't tested it. It wount work with my built in graphic card.
I think orbit plot would be good name to cover all the categories of simmilar fractals.

Maybe this could be usefull. I wanted to implement buddhabrot, then were disapointed by the speed and went of from it until made something different. It was made as one day to be implemented in software.
(brahmabrot - no distinction for escapeing/not orbits, instead revealing more by formula loop of: while ( (|z| < 16) && (|zold-z| >0.000001 ) && (iter < @maxIter) ) ; and my own colouring technique.)

http://www.fractalforums.com/fractal-programs/problems-with-implementing-budhabrot-in-uf/

The whole code is here:
http://www.chaospro.de/formulas/display.php?fileid=238

I think it could have largest colection of formulas which are good for orbit plot. Quad gen and logic turtle is nice, but many are found of starbrot becouse it looks as star.

Recently I did some render of that with lots of dots. Not shure how usefull for this, but it shows some possibilities of colour method and probably the best pictures of it:
http://www.fractalforums.com/index.php?topic=25746.0

Mockery of julia set. It is slower but it generates some interesting orbit plot fractals when julia sets do nothing:
http://www.fractalforums.com/mandelbrot-and-julia-set/buddhabrot-quasijulia-set/

For this I did some improved random numbers. Halton sequences alone actualy were worst than random number but that probably depends on how fractal is calculated. In zooms I started to notice that random numbers start to generate pattern by themselves. This could be of some use:
http://www.fractalforums.com/index.php?topic=17259.0

The most artistic was this. I forgot the formula but it was quasi julia set

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Sharkigator
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« Reply #40 on: August 27, 2017, 11:08:14 AM »

Update: 0.7

Download link in the first post.

Big new feature: Saving and reloading the current settings and position.
Some presets were also added as well as some new formulas.
And some bugfixes.

If you find nice settings / new formulas, please tell me and I will include them in the next update.
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