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Smay's Fire & Smoke + iRay

deepred6502deepred6502 Posts: 326
edited December 1969 in Technical Help (nuts n bolts)

Has anyone else here experimented with using Smay's Fire & Smoke in DAZ Studio 4.8 iRay? I've just done so, and the end result looks more like ribbons or soft serve ice cream than actual smoke. I may be wrong, but it's possible the Attenuation attribute doesn't have an equivalent iRay shader - at least not with the ones supplied with DS4.8. Reducing the Cutout Opacity isn't quite the same either.

Other than that, the product works as advertised in 3Delight render mode.

Comments

  • ablazeablaze Posts: 61
    edited December 1969

    That product was relelased long before DAZ Iray was even an option for PAs.

  • Richard HaseltineRichard Haseltine Posts: 100,781
    edited December 1969

    Items which rely on custom shaders - as I think that set does - won't translate automatically (and may not work at all) with another render engine.

  • The Blurst of TimesThe Blurst of Times Posts: 2,410
    edited May 2015

    In very limited manner, I used a variation of the God-ray thing, as described by Sickleyield.

    http://sickleyield.deviantart.com/journal/Tutorial-Creating-Dust-And-Atmosphere-in-Iray-522291773

    Instead of primitives, I applied the same concepts to Smay's smoke objects.

    This was the key comment by Sickleyield:
    "Adding a higher SSS amount will make your atmosphere more dusty."

    So, instead of "dust", think "smoke".

    It worked for my little explosions, anyway.

    (I think this would work on larger scale, but my setup isn't ideal for Iray, and the God-ray thing really slowed down the machine the last time I tried it.)

    Post edited by The Blurst of Times on
  • deepred6502deepred6502 Posts: 326
    edited June 2015

    Thanks for the advice. Here's the end result, which took 2 hours to render.

    "Warlock Candy" (also viewable at Rendo & DeviantArt)

    Warlock_candy_COMPR.jpg
    1152 x 768 - 467K
    Post edited by deepred6502 on
  • WandererWanderer Posts: 957

    I'm hoping this helps someone looking for additional help on making this happen. Not all of the settings mentioned in the above-cited tutorial made sense to me because I'm such a noob, but I found something really, really cool and I want others to be able to find it. Sickleyield was kind enough to post a sample scene with all appropriate settings applied to a cube, and included in that sample scene is a shader that will allow you to replicate the effect. You can find his scene here. Wow. This is possibly the single-most wonderful freebie I've ever seen. Maybe. Thanks for that. 

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