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cmiVFX: Blender T0 V-Ray

Category: Tutorial

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cmiVFX: Blender T0 V-Ray

cmiVFX: Blender to V-Ray
English | Team: N/A | .MP4 | 2.53 GB
Genre: Video Training

Since a few years now it has been possible to render with V-Ray from within Blender by making use of the V-Ray for Maya Standalone version. Andrey Izrantsev has developed a great script, that will export your blendfile to the V-Ray scene format and then render it with V-Ray. But due to the nature of the old 2.49 Blender interface, we had to somehow translate the material and texture settings from V-Ray to Blender ourself.

But now, with the new version of Blender 2.5, the exporter is tightly integrated into the Blender Interface, thanks to the new and improved python API.

So this tutorial will show you how to install a custom build of Blender that includes the exporter script, some optimizations for faster mesh export and some extra features.
But especially on OSX and Linux installing V-Ray is not as easy as you might think it is, that's why this is covered as well.

And because these are really boring, yet important topics, we decided to release this as a free tutorial, before we publish the second part of the V-Ray to Blender tutorial, where you will learn everything that you need to master V-Ray and all the settings that you need to create stunning renders.

Chapter Descriptions

Volume 1:


Volume 2:

After you learned how to install and setup V-Ray and the Blender exporter in the first part of the Blender to V-Ray course, you will now have an in-depth look at the render settings and how to optimize them. Understanding the render process with Light cache and Irradiance Map for the global illumination is the key to fast and clean renderings. In almost three and a half hours you will learn everything you need to know to get the best out of V-Ray. Indoor lighting especially can lead to noise in the irradiance map, thatís why we concentrate on that and find ways to improve the Irradiance settings.

Another very typical kind of noise is the grainy noise caused by blurry shadows from area-lights and portals, depth of field, blurry reflections and of course the Brute Force engine, if used for the primary bounces. Understanding the image sampler and how Adaptive DMC works is essential to eliminate noise with just a few clicks.

One big chapter of this tutorial is Color Management and Gamma Correction. V-Ray renders with linear gamma by default, and if you do not compensate for that you will probably have a hard time getting your desired results. You should also be aware of Blenderís own color-management which is enabled by default. This will have an impact on the color-sliders and the compositor. This tutorial will show you how to handle that.

Especially when rendering animations it is important to have fast and flicker free renderings. Fortunately, V-Ray is able to bake and preprocess Light cache and Irradiance Map, which will speed up the render process and avoid flickering.

To round off this in-depth introduction we will also have a look at the various material and texture settings, setup an HDRI lighting and see how we can render with a nice Depth of Field.
The follow-up to this tutorial will then cover a whole project from A to Z, building on the knowledge you gained in this tutorial, whilst covering some more neat tricks like VRay Proxies, Particle Scatter and compositing render elements.

Project Contents
All cmiVFX videos come with all the training materials you can need right from our website. No matter what time of day, your location, or how your feeling, cmiVFX will be there waiting for you!

Volume 3:

Since in real life you rarely have a perfect diffuse surface it is essential for photo reealistic rendering to fully understand how to use subtle glossiness to give your materials the final polish. In this tutorial you will learn how to setup and tweak glossy and fresnel effects while keeping render times on a reasonable level.

But to really make your materials believable the most important thing is to know how use textures. Nicolo shows you how to apply textures to the different material channels, which mapping to use and how to setup displacement and dirt-textures. Even the most subtle details can turn an ordinary white material into a vibrant wall surface.

Advanced Techniques
In the main part of this tutorial Nicolo is walking you through the setup of an architectural indoor rendering, explaining light-setup, materials, textures and render settings. You will also learn how to use a camera-loop with fly-through rendering to efficiently render out a series of images of your scene by re-using the GI-calculations.
Even though we are rendering an indoor scene, it is also important to create an outside environment. A blue sky is all nice and fine, but without some vegetation the outside world behind the window will be just boring. One key-technique for fast and easy vegetation setups is the use of V-Ray Proxies. Blender is capable of creating these proxy objects for V-Ray so that you can have hundreds of trees with billions of polygons in your scene without any slowdown of viewport or mesh-export. And to easily distribute these proxies in your scene you can make use of Blender's particle system and weight-painting.

To get the most out of your rendering you can make use of Blender's built-in node-editor. Nicolo shows you how to setup and use V-Ray's render channels so that you can render out your image in single passes. These passes can be composited together with Blender's compositor for a maximum of control. By comping the passes one by one you can really finetune the light and color contribution, color-correct each one of them and add some nice and subtle post-processing effects. This tutorial will really take you to the next level of V-Ray rendering with Blender!

Project Contents
All cmiVFX videos come with all the training materials you can need right from our website. No matter what time of day, your location, or how your feeling, cmiVFX will be there waiting for you!

cmiVFX: Blender T0 V-Ray

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