Welcome to this tutorial on making a shadow matte with V-Ray. To complete this tutorial you will need 3DS Max 2008 or newer, with V-Ray 1.5 and Adobe Photoshop. The purpose of this tutorial is to show you how to render out a 3D object, with its shadow included in an alpha channel, so that you can composite the 3D object and it's shadow on top of an existing photograph. You will need to download the "vray shadow matte tutorial.rar" file from: http://www.turbosquid.com/FullPreview/Index.cfm/ID/473854 In this file you will find two 3ds max files, a background photo and some additional info. Please note that the max file used in this tutorial uses the V-Ray LWF (Linear Work Flow) technique, as described on the chaosgroup forums (www.chaosgroup.com). To use LWF you need to change 3DS Max's Gamma settings - please see the included file called "LWF_gamma_settings.jpg" to see what your settings should be. (You can change the Gamma settings in 3DS Max under:...
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