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Volumetric Effects in Daz Studio.

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  • AllenArtAllenArt Posts: 7,169
    edited February 2022

    Bunnysplosion ;)

    Sorry...just goofing off. LOL

    Bunnysplosion.jpg
    1280 x 1280 - 326K
    Post edited by AllenArt on
  • PerttiAPerttiA Posts: 10,024

    AllenArt said:

    Bunnysplosion ;)

    Sorry...just goofing off. LOL

    That's what you get from eating your veggies... laugh

  • Oso3DOso3D Posts: 15,040

    I was kindly referenced, and just want to say my big issue right now is trying to pick ONE thing to work on with VDB.

     

    Many many ideas and cool results.

     

  • TenguTengu Posts: 416

    I've managed to export a frame of smoke sim from Houdini and import it into Daz, but it only shows in the viewport and not the render window.  Any ideas?

  • Eustace ScrubbEustace Scrubb Posts: 2,701

    bvknotty said:

    Disney's giant cloud freebie. It's a monster but I'm loving how it reacts to light.

     

    Where'd you find that?
  • jag11jag11 Posts: 885

    Tengu said:

    I've managed to export a frame of smoke sim from Houdini and import it into Daz, but it only shows in the viewport and not the render window.  Any ideas?

    Maybe VDB volume is big, you'll have to rename surface to "Volume" by using Geometry Editor and set Clip to Geometry Off. 

  • TenguTengu Posts: 416
    jag11 said:

    Tengu said:

    I've managed to export a frame of smoke sim from Houdini and import it into Daz, but it only shows in the viewport and not the render window.  Any ideas?

    Maybe VDB volume is big, you'll have to rename surface to "Volume" by using Geometry Editor and set Clip to Geometry Off. 

    I've already done that. It's strange. I have the volume and a cylinder in the volume. It renders in the viewport fine, but only the cylinder renders when I hit the render button. Render engine is definitely set to iray!
  • ecks201ecks201 Posts: 446

    Eustace Scrubb said:

    bvknotty said:

    Disney's giant cloud freebie. It's a monster but I'm loving how it reacts to light.

     

    Where'd you find that?

    https://www.disneyanimation.com/data-sets/ 

  • khorneV2khorneV2 Posts: 147
    edited February 2022
    Hi, Is there a feedback about performance of vdb files vs "billboard" fog/volumetrics ? Thanks in advance
    Post edited by khorneV2 on
  • GordigGordig Posts: 10,169

    khorneV2 said:

    Hi, Is there a feedback about performance of vdb files vs "billboard" fog/volumetrics ? Thanks in advance

    Billboards will always render faster than 3d geometry.

  • khorneV2khorneV2 Posts: 147

    ok thanks !

  • Herald of FireHerald of Fire Posts: 3,504

    AllenArt said:

    Bunnysplosion ;)

    Sorry...just goofing off. LOL

    That's pretty incredible. I do wonder how you got it so well mixed though. Care to share? My experiments with volumes (and lighting them) usually makes the whole cloud turn the same colour. Did you combine two separate volumes with different absorbptions, or is there some other neat trick to it?

  • sandmanmaxsandmanmax Posts: 992

    Dandene said:

    I'm really excited for this.  There's no doubt that it will add to render time.  From my own experience, when I've used volumetrics in Blender, my render time took longer (it took more passes to get the image less noisy).  I'd expect the same with Daz.      

    Me, too.  And that's what sleep is for.  Let the computer render while I'm doing something else.

  • AllenArtAllenArt Posts: 7,169
    edited February 2022

    Herald of Fire said:

    AllenArt said:

    Bunnysplosion ;)

    Sorry...just goofing off. LOL

    That's pretty incredible. I do wonder how you got it so well mixed though. Care to share? My experiments with volumes (and lighting them) usually makes the whole cloud turn the same colour. Did you combine two separate volumes with different absorbptions, or is there some other neat trick to it?

    I put an emissive sphere in the center and turned the visibility WAY down and turned the lumens WAY up ;) 

    Post edited by AllenArt on
  • GordigGordig Posts: 10,169

    In Training

  • RuntuRuntu Posts: 100

    Love this.

  • markusmaternmarkusmatern Posts: 561

    I'm quite satisfied how my experiment came out.

    I used different assets from KA Rocket Launch VDB scaled down to match the turbines of the robot.

    I made one complete render and two more partials playing around with flame brightness and smoke thickness. These three versions were combined afterwards.

    Tallian's Robot Welding Crew

    For all the assets used see in the gallery.

  • GordigGordig Posts: 10,169

    Fetch Quest

  • khorneV2khorneV2 Posts: 147

    laughyes

  • barbultbarbult Posts: 24,724
    edited March 2022

    barbult said:

    I think next time dForce explodes I'll add a volume explosion and call it a scene. laugh

    Yup, I did it ...laugh

    dforce Dress Explosion VDB_Camera.jpg
    2000 x 1500 - 2M
    Post edited by barbult on
  • algovincianalgovincian Posts: 2,633

    Very Cool, @barbult - you're making me want to DL the latest version and have a play with the volumetrics!

    - Greg

  • AllenArtAllenArt Posts: 7,169

    barbult said:

    barbult said:

    I think next time dForce explodes I'll add a volume explosion and call it a scene. laugh

    Yup, I did it ...laugh

    laugh Love it. LOL 

  • GordigGordig Posts: 10,169

    Aladdin

    Little known fact: the original story of Aladdin took place in China. The genie in the lamp was actually the second genie; the one that helped Aladdin escape from the cave came from a magic ring.

    ​

  • nicsttnicstt Posts: 11,715
    edited March 2022

    barbult said:

    barbult said:

    I think next time dForce explodes I'll add a volume explosion and call it a scene. laugh

    Yup, I did it ...laugh

    There we have it folks: definative proof its a feature not a bug!

    Great scene too. smiley

    Post edited by nicstt on
  • GordigGordig Posts: 10,169

    Has anyone figured out a good way to render flames? I've tried rendering multiple volume fields each in its own primitive, but DS and/or Iray doesn't seem to like that. There are no emissive options available in the volumetric shader, either.

  • Tangent101Tangent101 Posts: 2
    edited March 2022

    Hope its ok to post this here and that this is the right place. 

    I tried using the gel lighting technique with the explosion vdb file from OpenVDB and this is the result, quite like it myself
    Bat Signal anyone?

     

    Clouds.jpg
    1536 x 2048 - 632K
    Post edited by Tangent101 on
  • rob_75rob_75 Posts: 0

    IceCrMn said:

    That means you didn't install the update "default resources".

    All the updates should have shown in DIM.

    The dafult plugins were also updated

    Install all the upgraded parts.

    Start Studio.

    Then run the script from the main menu bar "Window>Workspace>Update and Merge Menus"

    Now restart Studio.

    Im having same problem and I have installed the default resources for DAZ 4.20 but still cannot find the 'simple openvdb mdl volume shader' in content library or in the surfaces tab.

  • ecks201ecks201 Posts: 446
    edited March 2022

    rob_75 said:

    IceCrMn said:

    That means you didn't install the update "default resources".

    All the updates should have shown in DIM.

    The dafult plugins were also updated

    Install all the upgraded parts.

    Start Studio.

    Then run the script from the main menu bar "Window>Workspace>Update and Merge Menus"

    Now restart Studio.

    Im having same problem and I have installed the default resources for DAZ 4.20 but still cannot find the 'simple openvdb mdl volume shader' in content library or in the surfaces tab.

    The volume shader is in:

    Shaders > Iray > Effect

    or in the content library at:

    Shader Presets > Iray > Daz Volume

     

    Post edited by ecks201 on
  • sandmanmaxsandmanmax Posts: 992

    RobotHeadArt said:

    For reference, the VDB shader is included in Default Resources for DAZ Studio 4.20+ and is located in \Shader Presets\Iray\Daz Volume\

    I'm not seeing this on my list of files under the beta in my library and it doesn't show up in DIM.

  • GordigGordig Posts: 10,169

    Have you updated your default resources?

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