Chapter 3: mental ray and lights shadows, depending on the materials they pass through. Final gather rendering is used with one bounce to generate some global illumina- tion, so the effect is a well-lit room. 3.2.1.1 Exercise:Standardlightswith shadows 1. Open the scene called Ch03_standard_ lights_01.max from the CD-ROM and save it to your hard drive with the name Ch03_standard_lights_02.max. Make sure the Camera01 viewport is active and click Figure 3.1 Standardlightsrenderedwithmentalray. the Render Production button in the main toolbar (see Figure 3.1). 2. In the main toolbar, click Tools and then choose Light Lister from the menu. The Light Lister finds all the lights in the scene and allows you to make changes to many of the parameters available. Notice that both of the standard lights in the scene use the Raytrace Shadow shadow map type (see Figure 3.2). This default shadow type creates hard-edged shadows that are not usually appropriate for interior scenes but do correctly render the transparency and color of materials, as you can see from the green shadows from