Rendering - MAXON CINEMA 4D R16 Studio: A Tutorial Approach - page 368

Figure 11-8 The flyout displayed on choosing the Multi-Pass button
The options in this flyout are used to create render passes such as shadow, reflection, spec-
ular, and so on.
2. In the flyout, choose Ambient Occlusion ; the Ambient Occlusion pass is added to the
Render Settings window.
The Ambient Occlusion pass show how the regions of the image that is illuminated by the
ambient light are affected by the Environment object.
3. Choose the Multi-Pass button; a flyout is displayed. In this flyout, choose Reflection ;
the Reflection pass is added to the Render Settings window.
The Reflection pass is used to display the reflective surfaces of an image.
4. Similarly, choose Refraction , Shadow , Diffuse , Global Illumination , and Illumina-
tion from the flyout; the chosen passes are added to the Render Settings window.
The Refraction pass is used to display the refractive surface of the image. The Shadow
pass is used to display the shaded areas of the image. The Diffuse pass is used to render
diffuse lighting of the scene.
In the world of Computer Graphics, Global Illumination is a process of interchanging the
lights between different objects of a scene. Although it increases the rendering time, but
it illuminates the entire scene uniformly.
5. Select the Multi-Pass check box in the Render Settings window.
6. Choose the Save option from the list displayed on the left of the Render Settings win-
dow; the Regular Image area is displayed. In this area, select the Alpha Channel check
box, as shown in Figure 11-9.