Part of being a Sales Engineer is knowing how to display a product/service in any setting-even trade shows. The best Sales Engineers have no boundaries on their imagination, and use all their tools in ways that were not thought of previously. This is why it is important to own all your own software. If you are waiting for your next appointment (or worse yet consulting), you will get rusty fast.
In this article I discussed easy glass with V-Ray. In the article above, only one image from this project was included. Since I get so many hits to that article (where the tutorial is), I thought it might be nice to include all the renders I did for that client.
I’ll just post all the pictures here, with links to the larger versions by just clicking the thumbnails below. But first I should set this up.
The client asked for a modern trade show component (not the whole booth) that would allow prospects to play with the futuristic controls. These controls and displays are for super-yachts, so it had to look good. You’ll see the PC driving everything underneath, as these exhibits need to be designed completely, with all aspects of their operation taken into consideration.
As an aside, this type of glass (with the reflective falloff) is my absolute favorite! It effectively conveys not just futurism, but realism.
After going through several circular polarizers in the under $50 bracket for my 77mm threads (70-200mm f/2.8 IS USM), I took the plunge. Tiffen, Hoya, and all the other low-end suppliers, you know who you are. I wanted the best glass available to be in front of my 50mm f/1.2 and 70-200mm f/2.8 IS USM glass. To step up from 72mm to 77mm, I used the exceptional B+W Step Up Adapter. Even though I hate Adorama, I figured even they couldn’t mess up something made by B+W!
I got the Heliopan 707741 77mm Circular Polarizer, and OMFG, it is the shizzle (do we still say that?). This is a serious piece of optics (at $150), and I even insured it with all my other camera gear.
The first thing you notice is how strong it is. It is around +2.5, and I like that. I have fast glass so I can put this kind of filter on and not have it impact my shooting. Besides, you don’t use a CP in the dark! So here are a few images from my product blog:
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To setup a test scene, start with the scene from this tutorial.
I’ve cleaned it up by removing the side glass examples, and leaving just the center one. Also, a V-Ray Sphere is a nice touch:
As discussed in previous posts, 3ds Max is a surface modeler. That means that materials on the surfaces of objects don’t take into account the thickness of the object. V-Ray has a clever tool for this that allows all kinds of fun, realistic effects-Translucency. V-Ray Translucency isn’t documented very well, and there is virtually no information on the internet about it. Today, we’ll take a look at how it works to make realistic glass.
First, lets set up the scene.
-3ds Max 9 SP1
-Floor: V-Ray plane with a Checker diffuse. Tiling 1 x 1 and black & white squares:
Glass is just another one of those 3d things that brings visualizations to life. If you mess up the glass, the best of models is completely unbelievable. Glass isn’t as hard as water, but it is often overlooked as an unnecessary element.
For this tutorial, we’ll be all V-Ray. Materials and renderer will be all V-Ray. Firstly, therefore, select V-Ray as your renderer. Because we’ll be doing glass, turn on “Caustics” in the V-Ray::Caustics rollout. Caustics involve the computations for light that travels through something.
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