![]() Select the properties icon for the back light and reduce the shadow intensity to 0 and light intensity to 50.Ĩ. Following a similar procedure, create a back spot light pointing towards the center of the model and create a rendering.ħ. See the technique discussed later in these notes as to how to change the background color.Ħ. Note that the background color in these renderings is black rather than defaulting to white. Activate the perspective window, select the rendering icon, and render the view. From the top view, move the lighting source position to the +x, -y position relative to the ground plane.ĥ. Place a spot light in the model from the front view, entering the target and radius first, and then the light location second.Ĥ. Select the light and turn the control points to on.ĥ. Open the lighting icon from upper right-hand side of screen.ģ. Create a Rhino Model with a ground plane surface and three solids as follows:Ģ. ![]() They are for optional reading only and the techniques are not required for the class.ġ. Additional notes are provided on the plug-in for Maxwell for comparative purposes only. Usually 5 is enough, but since we are rendering glass specifically, increase the depth to 12 for both reflections and refractions.These notes will introduce basic lighting and rendering through Rhino Render and continue on to more advanced options using the Rhino plugin for V-Ray. So to speed up calculations, you can control the depth of reflections and refractions that will be calculated by Vray. It's like when you're in between 2 mirrors facing each other, your reflection will be reflected in infinity. It's the same for reflections, when a reflection is reflected, and that one is again reflected and so on, this can go on forever. For example in our scene, when you look through the upper part of the wineglass, you pass 4 surfaces (the glass has thickness, so there are 2 surfaces on each side of the glass). So vray will by default stop tracing rays when they effectively passed 5 surfaces. To speed up rendering, this is set to 5 by default. GI is enabled, and there's a a black environment override color for reflection/refraction.Īnother thing we will be changing, is the max depth setting for both reflections and refractions. If you open the startup scene and accept all the warning dialogs, you should be fine. We also use the gamma 2.2 setup, please read that tutorial first if you don't know what I'm talking about.
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