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How To Represent "Invisibility" in Renders

MJ007MJ007 Posts: 1,716
in The Commons

I am looking for suggestions, aside from using postwork, to represent camouflague-like invisibility in renders.  Similar to the Predators stealth mode.  The characters in question will be wearing gear, so the results of their invsibility should take their gear into consderation as well.

Any and all suggestions are appreciated.  FYI, I use an older version of DS (DS2.3).

-MJ

Comments

  • namffuaknamffuak Posts: 4,406

    The method I've used is to adjust opacity - something under 14% should fit your requirement. It's easier if you hide the anatomy of the figure that is covered by the clothing. I don't have 2.3 loaded; in 4.x the parameter is 'cutout opacity' on the surfaces tab.

  • chrisschellchrisschell Posts: 267
    edited July 2016

    I'd go with the opacity suggestion as above, but you might also try adding refections as well... go with opacity under 14% and then for reflections set to 100%... it'll take a fairly lengthy render though (so be warned, opacity plus raytraced refections will take a while to render out.), but the opacity combined with reflections should give you that slight shimmer effect like the predators had (as well as adding to the cammo/invisibility by reflecting the surroundings). You'll need to set up all the surfaces for the figure and all his/her gear to get it to work...

    Can't promise it will give you the effect you're looking for but might be worth a shot...

    Post edited by chrisschell on
  • MJ007MJ007 Posts: 1,716

    The method above didnt look so good as the peripheals of the suit made it odd looking and not giving me the invisible look i wanted.  So I tried pwGhost with a few color adjustments, and got a lil closer to my desired effect.
    Any suggestions to improve upon this?

    -MJ
     

    Shiva Cloaked.jpg
    1576 x 918 - 863K
  • MJ007MJ007 Posts: 1,716
    edited July 2016

    I think i have somethng im comfortable with...

    -MJ

    Shiva Cloaked2.jpg
    1576 x 918 - 838K
    Post edited by MJ007 on
  • srieschsriesch Posts: 4,243

    looks good!

     

  • kaotkblisskaotkbliss Posts: 2,914

    What about creating a geoshell of the model, making the model invisible, then applying either the iray water shader or the glass shader to the geoshell?

  • ValandarValandar Posts: 1,417

    One thing about "invisibility" is, unless it's needed for a scene, they should still be clearly visible to the viewer/reader. In that respect, I think I like your first PWGhost shader better, meself.

  • Oso3DOso3D Posts: 15,085
    PWGHOST works great, particularly for the head which otherwise looks kind of awful unless you really tweak it (ghost teeth etc)
  • wizwiz Posts: 1,100

    Turn off almost everything but refraction, and set IR to about 1.2.

  • MJ007MJ007 Posts: 1,716
    edited July 2016

    Thanks everyone!  Im gonna play with it a lil more to see what i like the best.

    -MJ

    Post edited by MJ007 on
  • Pack58Pack58 Posts: 750
    kaotkbliss said:

    What about creating a geoshell of the model, making the model invisible, then applying either the iray water shader or the glass shader to the geoshell?

    MJ007 said in his(?) OP that he's using DS2.3 which predates Geometry Shells (4.6 I think? Don't remember seeing it in 4.5 but don't have it installed on a machine presantly so can't check).

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