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Photorealistic Rendering with Vray by Dragos Jieanu
In this tutorial 3D Artist Dragos Jieanu explains what it takes to create photorealistic rendering in MAX using Vray...
Dragos is a talented 3D artist, animator & compositor living in Bucharest, Romania.
Related links ...
www.dragos.org - The online portfolio of ::: Dragos Jieanu :::
email : dragos@dragos.org
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Introduction -
The purpose of this tutorial is to familiarise ourselves with the concept of "photorealistic rendering"
I've created for the purpose of this tutorial a simple scene on which you can test different settings easily (rendering times won't be in excess of 30 minutes in a worst case scenario).
I'll skip all details regarding modelling as this is not the purpose of the tutorial.
Before starting any scene you must have a clearly defined goal. I suggest sketching the scene on paper with loose lines, and if not, at least have a real image for reference.
You'll find the scene here ( max5 version ).You'll need Vray and rnl.hdr ( HDRI environment)
Ok, all being said let's get to work.
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Scene Setup -
Opening the scene, go to the rendering menu and select VRay as the Current Renderer.
Hit render to see what you have in the scene.
Now we must tweak the vRay parameters.
In the Image Sampler(Antialiasing) tab make sure that Adaptive subdivision is selected.
Under the Indirect Illumination(GI) tab make sure On is checked and Max Rate is set to -3. We'll leave it like that for the moment for testing purposes.
Now under the Rendering>Environment panel we'll asign the rnl.hdr map as the current environment.
See settings below :
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Hit Render -
The image is quite burnt, but this is easily fixed with a turned-off light, Create an omni-light anywhere in the scene, then in the Modify panel turn it off. (See below)
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Hit Render Again -
The result should look something like the scene above.
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INSIDE THE MODEL DATABANK
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