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Thread: Stag Beetle

  1. #1

    Stag Beetle





    This is a volume rendering of a stag beetle dataset provided by the technical university of Vienna. It was rendered using the VoluMedic volume rendering plugin for LightWave.
    The treetrunk is made using simple geometry and bump displacement. The whole project took less than a day to do and much of that time was spent on doing lighting, etc.
    Rendertimes were rather long for these stills, due to the use of lots of area lights and DOF which required a lot of AA. It is worth noting that the polygonal treetrunk and the volumetric beetle take roughly the same amount of rendertime.
    Let me know what you think!
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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    Last edited by Elmar Moelzer; 02-08-2010 at 06:48 AM.
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  2. #2
    Super Member Cougar12dk's Avatar
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    Very good Elmar

    So the beetle is all volumes? It's been quite a while since I looked at volumetric, so I don't quite remember how it works
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  3. #3
    Transform and roll out alesxander's Avatar
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    wow, amazing work

    congratulations

    alesxander,
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  4. #4
    The second one is really cool. Nice render.

  5. #5
    NewTek Developer jameswillmott's Avatar
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    Wow, that's very cool!
    LightWave3D training, assets, news and discussion at www.liberty3d.com
    My opinions are my own and do not represent the opinions of any other entity, Liberty3D is not officially endorsed by NewTek.

  6. #6
    Almost newbie Cageman's Avatar
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    Howly cow! Well done! I would never have guessed that the beetle was volumerender!

    Pretty damn cool!
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  7. #7
    Thanks for the comments everyone. Yes the beetle is completely volumetric. There is not a single polygon on it(you could count the Null Object as a single point though).
    The only polygons in the scene are in the branch thingy that the beetle is standing on.
    Yes, my Avatar shows a volume rendering...
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  8. #8
    obfuscated SDK hacker Lightwolf's Avatar
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    Wow, wicked stuff indeed. What is the resolution of the volumetric data?

    Just densities?

    Cheers,
    Mike

  9. #9
    This was a free dataset provided by the TU Vienna (RAW Data). The resolution was 832x832x484 (quoting that from memory right now, so it might be off a bit somewhere, but in that ballpark). It had 8 bit depth greyscale.
    It is rather nice resolution actually. It is even possible to see some inner details if you wish. Here is a link to a video that I made. It is in false colors, to better show the inner workings.
    http://www.mediastudio-graz.com/volu...etle_video.htm
    Yes, my Avatar shows a volume rendering...
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  10. #10
    obfuscated SDK hacker Lightwolf's Avatar
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    Quote Originally Posted by Elmar Moelzer View Post
    This was a free dataset provided by the TU Vienna (RAW Data). The resolution was 832x832x484 (quoting that from memory right now, so it might be off a bit somewhere, but in that ballpark). It had 8 bit depth greyscale.
    Wow, neat. I would have thought the resolution is higher. Well done on the rendering algorithms, it looks extremely smooth!

    Cheers,
    Mike

  11. #11
    Thanks for the kind words Mike.
    This is actualy on the higher side as much as datasets are concerned. Usually datasets are arround ~512x512x250 or so. This one was nicely high res for a change
    We do pretty well with low res datasets too.

    The embryo here is extremely low res (94x164x101):
    http://www.mediastudio-graz.com/volu...c/vm_mouse.htm
    Last edited by Elmar Moelzer; 02-09-2010 at 12:36 PM.
    Yes, my Avatar shows a volume rendering...
    VoluMedic Creative Edition only USD 299 !
    www.volumedic.com

  12. #12
    I'm confused. Is it like a voxel sculpture in 3D-Coat? Was is "modeled" in LightWave or somewhere else?
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  13. #13
    obfuscated SDK hacker Lightwolf's Avatar
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    Quote Originally Posted by Philbert View Post
    I'm confused. Is it like a voxel sculpture in 3D-Coat? Was is "modeled" in LightWave or somewhere else?
    It wasn't modelled. It's been created using a (presumably) medical MRT scanner. Or at least something similar.

    Cheers,
    Mike

  14. #14
    obfuscated SDK hacker Lightwolf's Avatar
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    Quote Originally Posted by Elmar Moelzer View Post
    We do pretty well with low res datasets too.

    The embryo here is extremely low res (94x164x101):
    http://www.mediastudio-graz.com/volu...c/vm_mouse.htm
    *clap clap* Quality work (and I especially mean the code )!

    Cheers,
    Mike

  15. #15
    Rasterbator Bog's Avatar
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    A couple of years back I opined (possibly in a bar, just possibly) that holodeck technology would far more likely come from volumetric imaging than from polygonal or spatches.

    Thanks for proving me right, Elmar! That's just plain smashing.
    Mark Hennessy-Barrett
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    ...and then I was on fire.

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