Sonntag, 3. April 2016

Das neue Mandelbulb3D 1.91 - mit Mesh-Generator

Neue Version 1.91 Mitte März erschienen.
Eigentlich ist es eine kleine Sensation, die über die Feiertage von 2015 auf 2016 etwas unterging:
Nach etwas mehr als 2 Jahre Pause in der Weiterentwicklung von Mandelbulb 3D hat sich Andreas Maschke (alias thargor 6), der Entwickler von JWildfire , nun auch der Weiterentwicklung von Mandelbulb 3D angenommen


Am 24.12.2015 hat er - quasi als Weihnachtsüberraschung - die Version MB3D 1.90 veröffentlicht
Auf seiner eigenen Webseite andreas-maschke.com schrieb er am 24.12.2015:
MB3D 1.90 RELEASE
Posted on December 24, 2015 2:39 am 

Hi,   I wish you a Merry Christmas and a nice holiday! I was absent for a longer time from JWildfire-development because I 
was very busy with creating the new MB3D-release, which now was released at fractalforums.com

Screenshot Mandelbulb3D 1.90/1.91



Am 12. März 2016 hat Andreas Maschke nun eine weitere Version vorgestellt, nämlich Version 1.91 mit einem Mesh-Generator


MB3D 1.91: with integrated mesh generator
Posted on March 12, 2016 1:24 am by thargor6

Hi all,  here is the new MB3D release with the first version of a new module called “BulbTracer” to easily create meshes from within MB3D.  Its supports the complete workflow of creating, smoothing and previewing the meshes, so no additional software is required. It works fully multi-threaded, so it is fast, too.

Meshgenerator in Version 1.91


Cloudpictures hatte am 3. Januar einen ausführlicheren Bericht über die Version 1.9 veröffentlicht (http://www.cloudpictures.de/Blog/mandelbulb-3d-1-90-wurde-veroeffentlicht/3964/)

Ich selbst  hatte bisher nur Zeit für eine kleine Notiz im Januar bezüglich der Version 1.90, erst jetzt konnte ich mir die vielen Neuheiten ansehen. Und das ist spektakulär:



Die  Bediener-Oberfläche wurde komplett geändert. Das Ganze hat einen modernen Look bekommen.   Die für mich wichtigste Neuerung ist, dass jetzt auch MB3D einen Muta Generator besitzt, wie es ihn bei Jwildfire oder Apophysis kennen.

Und es sind so enorm viele neue Funktionen dabei, dass ich hier einfach auf die offizielle Liste verweise, die Andreas Maschke veröffentlichte (allerdings in Englisch)

– Support for animated (height)maps! They are defined in the „Map Sequences“-window in the Prefs-section
and saved as local properties, i.e. you may use them independly of a specific set of fractal params.
– You define an image sequence by filename, start frame, end frame, loop setting and frame increment
– You assign this sequence to a logical map channel (any number) you wish
– You use this channel as map number in your fractal, e.g. as color map or heightmap
– Now you can preview the state at frame [n] by changing the frame number in the main view
(this is just for test render, not for animating)
– When you use this fractal in the animation window, the map will now be animated, i.e. at each frame
of the animation the corresponding frame of the map will be calculated (accordingly to the settings
you made) and the image-file will be loaded. If no image file is found it is asumed to be „black“.

– new MutaGen-module to easily explore new combinations of formulas and settings
– four types of mutations:
– add, remove, exchange formulas
– modify params of formulas
– modify Julia-mode
– modify iteration count
– in the UI you may turn on/off those types individually, by specifying a weight, and you may specify an additional
strength-parameter
– you may browse through the already generated generations of mutations and restart on interesting results
– you may resize the window to alter the size of the generated thumbnail images
– you may cancel/restart the mutation-process at any time (sometimes there occur combinations of parameters
which may lead to „endless“ calculations, in such cases it is helpful to be able to just restart)
– WARNING: some formula-combinations may SILENTLY crash the program, so please save often!
Silently crashing means you will not see it immediately, often the UI starts to behave weird.
We are working to improve this!
– This is just the first version, e.g. interpolated functions are not supported yet!
– Please note, that it is intented that this module does not create ready-to-use artworks from scratch.
It can only happen, when you put in well made parameters (whith everything what makes a great artwork),
that the mutation will keep many of those properties, making it a nice artwork.
Or in short: the better your input, the better the output.

– Navigator-size may now be altered (you must expand the right toolbar to see the „Navigator size“ control),
the last setting is stored to the ini-file. Please note, that the size can only be defined in percent
by using the arrows or listbox, but not by changing the window-size directly (this is due to some historic
implementation details).

– Global rework of the UI, added theme-support, made „Glossy“ the default theme,
changed the captions of some buttons in order to make them more readable

– Formula-Window:
– exchanging of formulas now works in two directions

– integrated formula-editor for creating/editing JIT-compiled formulas (see the new buttons in the formula window)
– support for MB3D’s parameters and constants, both the TIteration3D and TIteration3Dext-structs are supported
– preprocessor to deal with the parameter-handling code
– backed by the commercial PaxCompiler
– included support for about 50 mathematical functions
– watch out for formulas with the prefix „JIT“ for examples!
– Please note that dIFS-formulas are not supported yet because they are invoked differently,
but also this will be fixed in future releases

– Many new formulas from the community at fractalforums.com

– New Info-Section at the main window, which now has a button to reach the official bug-reporting tool,
please use the bug-reporting-tool to report bugs if possible!

Und in Version 1.91 kam neu hinzu: das Modul "Bulb-Tracer", ein Mesh-Generator
 http://www.andreas-maschke.com/?p=4582

Hints:
- to get started just press the "BTracer"-button to open the new module and press the
"Import parameters"-button to import the current fractal
- the sizing/positioning works the same way as in the VoxelStack-module, also
the preview works very similar, but there are 2 new size settings for faster display
- to get started quickly hust hit the "Generate Mesh"-button and watch what happens.
You should get a small preview window showing the mesh if all worked right.

If not, there is probably some problem with the OpenGL-display. In this rare case
you can still create the meshes, but not preview them from within MB3D. You may use MeshLab instead.
- Level of detail: Increase the "volumetric resolution" setting. Usually a value of 100...200 is a good start,
and can 200...300 gives good results. The higher the value, the more detail, but also the more
vertices and faces are generated, leading to larger files and more consumption of memory.
- Smoothing: There are two different smoothing options:
- oversampling: smoothes the mesh during creation and leads to increased creation time
- Taubin-smooth: post-processing, usually very fast
It depends on the fractal which works the best, some fractals work best with a combination
of both.
- Cancelling: you can cancel the mesh generation at any time and preview the changes
which were made so far. This is the default behaviour. If you want just cancel,
you can change this behaviour by chosing the option "Cancel immediately" from within
the "Cancel type"-listbox.
- Saving: Usually also saving is very fast and is done automatically. But if you want to try out many settings,
you may want to turn saving temporary off. In this case, just choose "Dont save, only preview" from
the "Save type"-listbox
- Have fun!

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