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Chapter 8. HAVi > Effects

8.12. Effects

A wide variety of effects are generated with HMatte that are part of the component hierarchy. The root of the hierarchy is an instance of HScene, leaf nodes are instances of HComponent, and intermediate nodes are instances of HContainer. Components within a container are ordered from back to front. An example is shown in Figure 8.17, where c3, a container, is the backmost component and c1 the frontmost. With the HMatte interface, the scene hierarchy can be modified by the inclusion of mattes (additional alpha sources), potentially for each member (see Figure 8.17 for an example composition).

Figure 8.17. An example of component mattes.



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