Trying to make G9 irises glow *SOLVED*
Fae3D
Posts: 2,562
I haven't played with G9 all that much yet, but I'm working on a render with one right now. I'm using some of the eyes from the Genesis 9 Starter Essentials Expansion, and I want to make the irises glow. But not only do the irises not have their own surface, there isn't a place for emission on "Eye Left" or "Eye Right" anywhere that I can see. Does anyone know of any tricks or tips to get the irises to glow?
Post edited by Fae3D on
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Comments
You could add a geoshell and set that to Iray Uber, an let it glow from there.
I did it, but it's more trouble than it freakin has to be. You have to create a mask for the irises - making sure to black out the pupils - then apply the uber shader to the geoshell and add the emission with the mask to eye right and eye left and then turn off the eye moisture for each eye. A royal pain in the butt if you ask me. Thankfully you only have to make the mask once and then save the material (remember to uncheck all the slots except emission and the associated slots for it before you save the material).
Looks like that is going to work! Thanks for the tip ^_^ I ended up making a trans map for the irises and put that in the emissions slot on the geoshells. I appreciate it!
That's exactly what I ended up doing! Thanks for the info, now I know for sure that I did it right. I guess this is the work around we'll have to use for G9. G9 is certainly very different from previous generations, I haven't really played around with it enough yet to know if I like it more or less yet, but I do think some of the material zones are a little strange. Oh well, thank goodness for geoshells!
Just in case I made a mask for you, an altered maks to show what you can do, and a render of the altered mask... click on the picture to enlarge
"but it's more trouble than it freakin has to be." is my key problem with Genesis 9.
I technically can get it to do the things I could with G8, but a lot more rigamarole is involved on my end!
I will admit that the mask method DOES allow for some cool effects like grayscale fades and things like the above but to be honest, you could do that before as well ;)
Oh thank you, that's very kind! These look better than the ones I made, I'm still learning how to make masks and such, lol!
One thing you can do to avoid having to hand paint masks--and that IMO results in a softer, more organic look--is to take an eye texture you like into something like Photoshop and make it grayscale, then mess with the contrast/brightness until you get the level of luminance you need (I wanted my demon characters' pupils to fade into the color, so I made that part gray instead of black). I usually use that in the emission color channel, then the soft-edged mask attached here in the luminance channel.
Luminance units can make a huge difference in how the light looks, and I usually use W when I just want a soft glow that doesn't show through eyelids or overwhelm the face.