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Iray transparency in render issues

QliphothQliphoth Posts: 14
in Technical Help (nuts n bolts)

This is driving me nuts, I must be missing something super obvious but I can't, for the life of me, figure out what.

The attachment below shows the trouble I'm having. Also, the transparency looks fine in the scene window before rendering as well.

 

 

Comments

  • nonesuch00nonesuch00 Posts: 18,729

    Well if you ask me the 3DL render is too transparent for the hair.  If it weren't for the jagged hair cut on the 1st iRay render it would look the most realistic.

  • QliphothQliphoth Posts: 14
    nonesuch00 said:

    Well if you ask me the 3DL render is too transparent for the hair.  If it weren't for the jagged hair cut on the 1st iRay render it would look the most realistic.

    Yeah but in 3Delight the transparency actually works properly, even if it does need a little tweaking. I'm just trying to get the transparency to work properly, I can always tweak the levels later once I get it to work right.

  • nonesuch00nonesuch00 Posts: 18,729
    edited July 2017
    Catalyst Spark said:
    nonesuch00 said:

    Well if you ask me the 3DL render is too transparent for the hair.  If it weren't for the jagged hair cut on the 1st iRay render it would look the most realistic.

    Yeah but in 3Delight the transparency actually works properly, even if it does need a little tweaking. I'm just trying to get the transparency to work properly, I can always tweak the levels later once I get it to work right.

    I think it they are doing the shader correctly in hair for iRay then they are using cutout transparency for the hair. You can change that to be less jagged. There is also in surfaces a slider for a transparency map and it should have a greyscale map of what sections of the hair to make transparent on the polygon model surfaces of the hair. You adjust it's strength with a slider 0 - 1 or  sometimes 0 - 2. If you turn off limits you can make the high number higher than 2 if you like but the hair surface will go invisible if you make it too high.

    Post edited by nonesuch00 on
  • QliphothQliphoth Posts: 14

    That was the first thing I tried, it didn't work. I've messed with the opacity setting so much it's going to haunt me in my sleep at this point. I've been using Daz for 12 years now and have never had an issue like this. Is there some setting buried somewhere to change it to soft trans instead of the rough cut out that's happening?

  • nonesuch00nonesuch00 Posts: 18,729

    Well you said you have already been messing with it the only other thing you can do is directly edit copies of those diffuse textures in GIMP or Photoshop if the tools in DAZ Studio aren't working to your satisfaction.

    Also, I think you can edit transparency with the L.I.E editor in DAZ Studio.

  • QliphothQliphoth Posts: 14

    I had totally forgotten about the L.I.E. editor. Editing the image to just 1% transparent fixed the issue. Thank you for mentioning that, you just saved me from going full rage mode on daz. I could bout hug you right now.

    Weird that just making the image itself slightly transparent, when normally it reads black as transparent, fixed the issue, but hey, it worked so I'm not gonna complain! Thank you again for bringing up the editor!

  • nonesuch00nonesuch00 Posts: 18,729

    I'm glad your problem is solved.

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