fractal explorer in browser

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Offline gerson

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« Reply #15 on: May 15, 2020, 03:53:02 AM »
I don't know if I am missing something but how to do to save the videos?

Offline RaphOfBurgondy

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« Reply #16 on: May 15, 2020, 01:48:35 PM »
Hello,

if you are using chrome or MS Edge, you can save the Webm video from the player (télécharger = download):



Because  Firefox or Safari cannot support conversion from canvas to Webp image (necessary step for encoding to film), on these browsers it is not really  a film but slides of PNG images.
I have developped a module to produce Animated PNG instead ogf Webm but still not have it implemented in Mandelbrot & CO.
If you are interessted I've loded it to Github : https://github.com/raph-of-burgondy/APNG-Builder

 if you need to convert film to other format, you know how to use ffmpeg https://ffmpeg.org/, do you ?

Offline RaphOfBurgondy

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« Reply #17 on: May 31, 2020, 09:22:58 AM »
hi guys,


Thanks to all your feedbacks and suggestions,  I am pleased to announce that Mandelbrot & Co https://www.mandelbrotandco.com has finally adopted the 16:9 format for its explorer. The 16: 9 format was already available for downloading images, but the 1:1 display did not allow the result to be previewed. It's finally fixed!


This new release brings some important evolutions :

- Layout: the general layout of the various elements is rethought with the arrival of the 16:9 format : the navigation icons, the filters menu and the Julia's settings overlay the main view. The videos are now accessible via the menu Dive in .


-  Auto/Manual main view size : Mandelbrot & Co intends to offer you a navigation throw the fractal sets as smooth as possible . The 16:9 format is clearly more pleasant but also requires heavier calculations. Mandelbrot & Co adjusts automatically the view to your screen, in case of performance issues you may want to downsize the view. Use the new menu Parameters to do it.


- Julia parameter: the parameter can now be entered or chosen directly from the points of the Mandelbrot set with a real-time preview. Video explanations:




- Animated PNG : Safari and Firefox don't support the encoding method used by Mandelbrot & Co for editing Webm film. It's possible now, on both browsers, to save short films with the Animated PNG format. This format is quite similar to Animated GIF. You can convert to mp4 with
 ffmpeg(https://ffmpeg.org :

   `ffmpeg video.anpg video.mp4`


- drag and drop to reload : images edited with Mandelbrot & Co are now saved with metadatas. These metadatas contains the coordinates of the image, so if you drag and drop the image on the main view, Mandelbrot can "reload" the image so your exploration may go on.





- pan view : click and hold the mouse to pan the view if you want to change the frame, details on the video :





If you encounter any bug, please send me message !

br,


Offline julofi

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« Reply #18 on: May 31, 2020, 11:15:24 AM »
Wow, I mean, wow!
Thanks!

Offline gerson

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« Reply #19 on: May 31, 2020, 07:26:34 PM »
Good news, will see ...

Offline gerson

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« Reply #20 on: June 18, 2020, 04:27:42 AM »
Liked a lot how the julia's parameter is choosen now.
About free size and zoom control do you intend to change?


Offline RaphOfBurgondy

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« Reply #21 on: June 18, 2020, 09:28:14 AM »
Hi,

Julia's setting : thanks, i like it too ;)

custom size : yes I intend to do it. As you know Mandelbrot & Co https://www.mandelbrotandco.com/en.index.html divides the image into chuncks and run in parallell these chuncks on all the logical processors of  your computer. Well,  a little stupid bug occurs when the custom height is not a multiple of the number of processors... And I have to find time to fix it.

zoom : You mean the  the zoom by scrolling ? I changed it, didn't I ? I may mess it up...


By the way, I am working now to implement the perturbation algorithm. Unsuccessfully.
see https://en.wikipedia.org/wiki/Plotting_algorithms_for_the_Mandelbrot_set#Perturbation_theory_and_series_approximation
There is something I obviously not understand in this algorithm

Could you, or anybody on this forum, indicate me a more detailed process  ?




Thanks for you help,



Offline RaphOfBurgondy

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« Reply #22 on: June 29, 2020, 06:45:00 PM »
Hi,

With the next release, a  shading filter will be available. Add 3D to your exploration :)
Here is the preview :

By the way, still need helps for the perturbation algorithm. Anybody ?


Offline gerson

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« Reply #23 on: July 09, 2020, 04:12:52 PM »
Good improvements.
About perturbation algorithm, I think LionHeart was discussing about that in some topic to include in ManpWin. Try to get contact with him.

Offline 3DickUlus

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« Reply #24 on: July 10, 2020, 03:13:44 AM »
It's really interesting... well done. I would like to see the source code but didn't see a "download" button any where... after all, this is the "Downloads" thread.

« Last Edit: July 10, 2020, 03:54:30 AM by 3DickUlus »


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