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Diagramming Scene Graphs
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In the subgraph shown in Figure 5-5, you can see that the foot, leg, and torso nodes are
parts which, when rendered together, display the lower half of a body.
Figure 5-5 Torso Subgraph
Because the left leg looks different from the right leg, you need two different shape
nodes. If, however, you want to display the same geometry twice, but in different
locations, you can use two transformation nodes to place the same object in different
locations, as shown in Figure 5-6.
Torso
node
Leg
node
Foot
node
Leg
node
Foot
node