Apple Shake 4 - Manual (Page 548)

548 Chapter 20 Rotoscoping
Drawing New Shapes With the RotoShape Node
Drawing new shapes works the same whether you’re creating a source, target, or
boundary shape. In each case, you create a new, unassigned shape first, then assign its
type in a subsequent step. Unassigned shapes appear yellow, by default.
To create a new shape:
1 Add an Image–RotoShape node to the Node View.
2 Click the Parameter control of the RotoShape node to load its parameters into the
Parameters tab, and its controls into the Viewer shelf.
Note: If you’re rotoscoping over the image from a particular node, click the left side of
the node you want to trace in the Node View to load its image into the Viewer. Make
sure the RotoShape node’s parameters remain loaded in the Parameters tab, otherwise
the shape controls will disappear from the Viewer shelf.
3 In the Viewer shelf, click the Add Shape button.
4 If necessary, zoom into the image in the Viewer to better trace the necessary features of
the subject.
5 In the Viewer, begin drawing a shape by clicking anywhere to place a point.
6 Continue clicking in the Viewer to add more points to the shape.
• Click once to create a sharply angled point.
• Drag to create a Bezier curve with tangent handles you can use to edit the shape of
the curve.
7 To close the shape, click the first point you created.
The shape is filled, and the Edit Shapes mode is automatically activated.