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Author Topic: Navigation in Mandelbulb 3D v1.5.2  (Read 1612 times)
Description: I keep ending up 'inside' stuff!
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MarkJayBee
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« on: June 30, 2010, 12:17:26 PM »

Hi guys,
I've been using Mandelbulb 3D v1.5.2, and absolutely love the quality
of the images it produces. However, the struggle I have to go through to get
the area I want to render free of internal 'slices' is frustrating to say the least!
I have the feeling that I'm missing some setting, such as the DE factor, which will
obviate this problem - which I don't encounter with Mandelbulber incidentally -
but as a non-programmer, I don't know what setting to change.

Also, and it's probably down to my rather dusty old system, but the new '3D navigator'
doesn't seem to want to work! When I move, it just breaks up into blocks of pixels and renders
less and less of the image, until it grinds to a stop.
Can someone help, as this is driving me nuts! sad 
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blob
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« Reply #1 on: June 30, 2010, 01:19:54 PM »

The best solution not to see sliced material at all is to use the 3D Navigator IMO but as you've pointed out it has a little problem in the sense that it doesn't seem to refresh the view very well, I find that I most often (nearly always in fact) need to move its window out of screen and back (or cover it with other windows and then bring it to front) to get the view to refresh and see finer details than the initial big blocks.
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Jesse
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« Reply #2 on: June 30, 2010, 01:34:08 PM »

Ah, now i know what was meant.
I see, this is a issue that should be fixed easily. On my computers it worked so far, so i have to rely on this feedback!
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bib
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« Reply #3 on: June 30, 2010, 01:44:00 PM »

I don't have this kind of problem with the navigator, but I have quite a powerful machine. The only issue I have with the navigator is that I don't fully understand how some parameters (Zstart, Zmid, Zend, FoV...) are being passed back and forth, because sometimes the clipping or zooming is not the same in the navigator and the main window. But with some trial an error it's not a big deal.

I have also learned how to use both navigation capabilities (arrows at the bottom of the main window, and navigator) in conjunction. The navigator moves the camera, considering the object is fixed, and the arrow in the main window rotate the object like if the camera is fixed. The only thing I'm not sure of is the significance of Zmid : is it the point around which the object turns around when using the arrows?

To avoid front clipping, try to play with all these parameters in the main window : Zstart, FOVy, Zoom. I'm not a programmer either, but I don't think it has to do with DE at all, except maybe in some very particular circumstances (deep zoom maybe)
« Last Edit: June 30, 2010, 01:46:00 PM by bib » Logged

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MarkJayBee
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« Reply #4 on: June 30, 2010, 01:50:15 PM »

Thanks for the advice blob, tried your suggestion, but no luck I'm afraid!
Very frustrating having to use 'hit or miss' techniques to use what is an excellent
program.
Thanks also for your input bib, I'll try using the 'combination' approach and see
how that works out.
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bib
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« Reply #5 on: June 30, 2010, 01:56:03 PM »

Just to add a comment about navigation : I rarely use the three buttons at the bottom left corner of the main window, especially because I find their behaviour difficult to quantify and sometimes inpredictable, which creates indeed some clipping. But again, no big deal, because the navigator does the job much better.
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MarkJayBee
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« Reply #6 on: June 30, 2010, 02:07:34 PM »

Managed to get some use from the navigator by fiddling with blob's approach,
not totally satisfactory, but usable.
Evidently, the ideal solution would seem to be to invest in a much more powerful computer,
such as bib uses, which has the capability to run the 3D navigator properly.
Think I'm probably just asking too much from my current system.
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« Reply #7 on: June 30, 2010, 02:28:17 PM »

Just out of curiosity MarkJayBee, what are your system specs?

I am using Windows ME with an AMD Athlon 64 FX-55 CPU clocked at 2.6 Ghz and an nVidia Geforce FX 5200 graphic card.
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MarkJayBee
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« Reply #8 on: June 30, 2010, 02:37:48 PM »

Hi blob,
I'm working with XP pro, AMD Sempron 2.02GHz and ATI Radeon 9200 graphics card.
Not brilliant I know, but it serves me well for most purposes.
Think I've got the hang of your 'hide and seek' method now by the way!  wink
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« Reply #9 on: June 30, 2010, 02:49:23 PM »

Think I've got the hang of your 'hide and seek' method now by the way!  wink

Cool, but hopefully we won't have to use that workaround for too long anymore as Jesse said above it should be easy to fix.

 afro
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MarkJayBee
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« Reply #10 on: June 30, 2010, 02:59:49 PM »

Yep, looking forward to Jesse hopefully coming up with a solution to this niggling wee problem  cheesy
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Jesse
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« Reply #11 on: June 30, 2010, 03:07:11 PM »

Ok, i hope it took not too long  wink

Here is a test version:
http://www.fractalforums.com/index.php?action=downloads;sa=view;down=13

Test version, because i fool didnt saved the original 1.5.2 version, only some older and some newer versions  scared white
So i did it on the next newer version, because the current is not for publishing yet.
« Last Edit: June 30, 2010, 03:56:13 PM by Jesse » Logged
MarkJayBee
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« Reply #12 on: June 30, 2010, 03:21:14 PM »

Excellent Jesse - thanks!
Have downloaded v1.5.3, I can't install it right now as I've got a render
'cooking' at the moment.
Will try new version ASAP, and post the, hopefully, good news here  cheesy
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« Reply #13 on: June 30, 2010, 03:29:39 PM »

The fix does not seem to work too well here.  sad

Perhaps it is a bit better than in the previous version but the view refresh still hangs big time and I need to resort to the above mentioned trick.
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Jesse
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« Reply #14 on: June 30, 2010, 03:40:18 PM »

Ok, i took an older computer and now i see it - differs from what i thought.

So i will update the version when i fixed it!
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