Show Us Your Iray Renders. Part III
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That is awesome, love the color on the car, and that car.. managed to track it down on the web..
I am now ready to race you from one end of the Urban Sprawl to the other ;-)
You can save a start up scene that loads automatically with what ever you think of as the ideal start settings.
Not sure if there is a way to import/add them (I asked in the Beta thread), but if there is, it would be a good idea to compile locations for free MDL shaders being created on the web, such as:
http://www.migenius.com/articles/mdl-diamonds
http://www.migenius.com/articles/procedurally-retro-with-mdl
https://forum.nvidia-arc.com/showthread.php?13355-Material-Definition-Language-examples-for-automotive
...or was this already brought up, or a place to already do this? (I am about 226 pages late to the party)
you can drag and drop mdl's into shader mixer
you can drag and drop mdl's into shader mixer
...don't forget to add your MDL folder location under Shader Mixer tab, Edit menú, MDL Directory Manager...
If you don't already have this NVIDIA's Material Definition Language: Handbook add it to your favs.
Seems that cars are popular lately. Took the advice from Vince on bloom and placed the chopper in the Old Industrial Hall. Great HDRI for cars and bikes with lots of nice reflections.
Love it!
Here is a quick video on how to use Shader Mixer with MDL and AXF files. Again sorry for the poor audio, my wireless headset is acting up... I'll be making new recording for the docs...
http://www.youtube.com/watch?v=XWwZtzu98ac
...don't forget to add your MDL folder location under Shader Mixer tab, Edit menú, MDL Directory Manager...
If you don't already have this NVIDIA's Material Definition Language: Handbook add it to your favs.
If you grab the Automotive catalog, you can just drop it in "Install location"/DAZStudio4xx/shaders/iray/automotive_catalog and it should work...
Thanks very much, Vince!
My english isn't very well for explaining technical terms, so I do as best and simple as I can.
As far as I understand that technobabble, it's because PBR uses linear extrapolation for it's calculations. The key is "linear", so a value between 0.0 to 1.0. In a linear workflow, no value can be greater than 1.0.
What I noticed is that almost everyone sees the different layers of a shader as a completely independent item, instead of just being a part of the whole. Let's look at skin. Some, as MEC4D and Alex, define the Base/Glossy Layer as the epidermis, and the Translucency Channel of it simulates the underlying dermis. The Top Coat simulates the oily film on top of the epidermis. All together they make what we call "skin". Each of them has a certain level of influence on the interaction with light.
The weights of the layers define the level of influence each layer has, and alltogether they have an influence of 100%, which is 1.0 in linear. A value grater than 1.0 will make your stuff non-linear, f.e. it happens, that your skin reflects and backscatters a larger amount of light than it receives. Which is a physical impossibility.
That is all correct Stefan, Iray Tone mapping will reduce the overall exposure if the diffuse reflect more light than it suppose but it affect everything else , the translucent can kill the diffuse and the glossy can kill the translucent if the values extend the norm .
There is a simple formula for everything to keep in balance rather than doing it for the eye .. it will not working for more than just one image you do at the moment .. changing each time you materials to match your scene has nothing to do with PBR , as it should working in all light conditions , anything else is a BRO-SCIENCE lol
From an artistic viewpoint, there may be times you would want to violate that physical 'law'. Bio-luminescence, fantasy, alien, spirit/ghost and things like that are all candidates for pushing 'beyond' the hard rules of 'real' materials.
So unless you are doing a ghostly alien jellyfish or something similar (an Organian, for example...), it's not what you want.
From an artistic viewpoint, there may be times you would want to violate that physical 'law'. Bio-luminescence, fantasy, alien, spirit/ghost and things like that are all candidates for pushing 'beyond' the hard rules of 'real' materials.
So unless you are doing a ghostly alien jellyfish or something similar (an Organian, for example...), it's not what you want.
Iray clamps all the mixes/layers to be between 0 and 1. Breaking the limits to pass values outside those ranges will have no effect.
Bio-luminescence can be done with emission as can many fantasy/sci-fi effects.
Ghosts are probably harder to pull off, I haven't figured that one out yet but I haven't tried very hard either -- perhaps done best in post.
Iray clamps all the mixes/layers to be between 0 and 1. Breaking the limits to pass values outside those ranges will have no effect.
Bio-luminescence can be done with emission as can many fantasy/sci-fi effects.
Ghosts are probably harder to pull off, I haven't figured that one out yet but I haven't tried very hard either -- perhaps done best in post.
We'd need something like PWGhost that culls the interior of the figure details. I'm sure it's just a matter of time before we're seeing some fancier custom shaders for Iray like we have for 3Delight.
Lol for spirit/ghost and Bio-luminescence you have emission shaders , aliens are organic too
fantasy or not, it will look more realistic even for fantasy if it is done correctly, as nobody want see burned color surface renders anymore , it was good for 17 years ago , so no , bad excuse
and if I see fantasy Alien render , I WANT TO BELIEVE lol what I see for my eyes pleasure ..
and it has not much to do with using real materials here , just in balance with the light and camera
From an artistic viewpoint, there may be times you would want to violate that physical 'law'. Bio-luminescence, fantasy, alien, spirit/ghost and things like that are all candidates for pushing 'beyond' the hard rules of 'real' materials.
So unless you are doing a ghostly alien jellyfish or something similar (an Organian, for example...), it's not what you want.
Finally managed to get the eyes looking good after following all the advice and tips...thx guys!...
Lit by only one mesh light
view at full resolution
Those skin and eyes do look very nice!
I went through Ptrope’s TOS bridge scene and made all the screens, buttons and alerts light emitting surfaces. I also applied leather, rubber, plastic and metallic shaders to the other non-lighting surfaces. The scene file is uploaded there in the gallery, so as long as you have Ptrope’s set and the Beta you can use this however you want.
Whatever camera you use to render, make sure the headlamp is turned off.
http://www.daz3d.com/gallery/#images/69131/
Iray clamps all the mixes/layers to be between 0 and 1. Breaking the limits to pass values outside those ranges will have no effect.
Bio-luminescence can be done with emission as can many fantasy/sci-fi effects.
Ghosts are probably harder to pull off, I haven't figured that one out yet but I haven't tried very hard either -- perhaps done best in post.
We'd need something like PWGhost that culls the interior of the figure details. I'm sure it's just a matter of time before we're seeing some fancier custom shaders for Iray like we have for 3Delight.
I'm not sure. if there's a way to get the eye vector and the normal vector you might be able to hook the dot product up to hide back-facing surfaces, but I'm not sure how you'd hide layered front-facing surfaces (if it could be done it might help with the Geometry Shell issue).
We'd need something like PWGhost that culls the interior of the figure details. I'm sure it's just a matter of time before we're seeing some fancier custom shaders for Iray like we have for 3Delight.
I'm not sure. if there's a way to get the eye vector and the normal vector you might be able to hook the dot product up to hide back-facing surfaces, but I'm not sure how you'd hide layered front-facing surfaces (if it could be done it might help with the Geometry Shell issue).
I did not understand that at all, but hopefully it made sense to the right people. ;)
Iray clamps all the mixes/layers to be between 0 and 1. Breaking the limits to pass values outside those ranges will have no effect.
Bio-luminescence can be done with emission as can many fantasy/sci-fi effects.
Ghosts are probably harder to pull off, I haven't figured that one out yet but I haven't tried very hard either -- perhaps done best in post.
We'd need something like PWGhost that culls the interior of the figure details. I'm sure it's just a matter of time before we're seeing some fancier custom shaders for Iray like we have for 3Delight.
Rendering out a character to an alpha channel separate from the remainder of the scene, and compositing it back in post using blending modes, opacity, and some blur can get some nice looking ghosts, spirits, undead souls and other random spooky-ness
I'm not sure. if there's a way to get the eye vector and the normal vector you might be able to hook the dot product up to hide back-facing surfaces, but I'm not sure how you'd hide layered front-facing surfaces (if it could be done it might help with the Geometry Shell issue).
Fresnel, mixed with opacity/translucency, combined with an emissive shader. That's where I'd start playing, but can't test it as have been on road and don't have DAZ/Iray capable computer atm.
...the skin tones and eye reflection are very nice.
..that looks really great, I can almost hear the sounds.
Thank you
...I look at that and it appears a tangled mess to me. Wish they would have set it up more like Carrara's shader room.
The closer to ghost I got that but I guess not special enough, simple fast rendering emissive will not work as different density of the object polygons create different light effect intensity beside you want glowing nipples
Iray clamps all the mixes/layers to be between 0 and 1. Breaking the limits to pass values outside those ranges will have no effect.
Bio-luminescence can be done with emission as can many fantasy/sci-fi effects.
Ghosts are probably harder to pull off, I haven't figured that one out yet but I haven't tried very hard either -- perhaps done best in post.
We'd need something like PWGhost that culls the interior of the figure details. I'm sure it's just a matter of time before we're seeing some fancier custom shaders for Iray like we have for 3Delight.
Oooh, cool! Sell me that. ;)
you can't have to much light in the room or outside scenes will not works and you need to slide the back scattering roughness higher to diffuse the light but in a atmospheric room with some candles working cool ..