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DAZ|Studio F.A.Q (Last Updated: 2024 Dec 01 6:29 pm)



Subject: Lights in Iray


Lord_Garland ( ) posted Sun, 27 March 2016 at 7:23 PM · edited Sun, 01 December 2024 at 3:33 PM

I just started with Daz Studio. I've using Poser for the past 10 years.

Nothing I do with the lights has any effect in Iray. I create a Point light set it to 1000 and there is no change at all in the scene.

Am I missing something?


ldgilman ( ) posted Sun, 27 March 2016 at 11:26 PM

Yes, have you checked any of it tutorials?? Also, which video card are you using, and are you using an iRAY specific model or prop?? For me , I would get black screens.


Lord_Garland ( ) posted Sun, 27 March 2016 at 11:56 PM

Looked up a tut. Having some luck now.

Looking good.


LaurieA ( ) posted Mon, 28 March 2016 at 8:21 PM

The biggest thing you need to remember about lights in Iray is that they need to be set to Photometric mode, so go into the light properties and make sure that's set to "on". I dunno what version of DS you're using but in DS 4.9 it's on by default. Also, and probably the basis of your problem is that the luminance on those lights are set VERY low by default, so even tho you have them in the scene and they're all set to on they just don't shed much light. Click on the light in the scene, then go to the Lights tab, click on Photometrics and change the value where it says "Luminous Flux" to something outrageous, like 50,000. Then you should start seeing some light being cast.

Laurie



Lord_Garland ( ) posted Mon, 28 March 2016 at 8:35 PM

Thanks. Do point lights ect work in Iray?


LaurieA ( ) posted Mon, 28 March 2016 at 9:36 PM

They do...ya just have to turn the lumens WAY up.

Laurie



bhoins ( ) posted Wed, 30 March 2016 at 2:13 PM

Lord_Garland posted at 1:13PM Wed, 30 March 2016 - #4263094

Thanks. Do point lights ect work in Iray?

They work, but they do have real world falloff, and real world brightness.


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