Draw paint strokes, Paint strokes overview, 839 draw paint strokes 839 – Apple Motion 5.1.1 User Manual
Page 839
Chapter 20
Shapes, masks, and paint strokes
839
3
Adjust the Feather slider in the HUD or in the Style pane of the Shape Inspector.
Positive values spread the feathering outward, while negative values feather the shape inward.
4
Optionally, you can also adjust the Falloff parameter in the Style pane of the Shape Inspector,
which controls how steep the feathering is.
Feathered in
Feathered out
Note: You can only feather shapes that have the outline turned off.
Draw paint strokes
Paint strokes overview
Unlike a freehand Bezier or B-Spline shape drawn one point at a time, a paint stroke is typically
created with one continuous movement. Technically, paint strokes are outline-only shapes
created using any shape tool. An outline-only shape is indicated by a paintbrush icon in the
Layers list and Timeline. This icon changes to a shape icon when a shape fill is enabled.
Note: The Paint Stroke feature is a design and graphics tool, not a retouching or rotoscoping tool.
There are two ways to create a paint stroke:
•
Select the Paint Stroke tool in the toolbar, then draw a stroke in the Canvas using a stylus and
tablet (or a mouse or Multi-Touch device).
•
Create a shape (paint stroke, line, rectangle, or circle) in the Canvas, select the Outline
checkbox in the Style pane of the Shape Inspector, then choose Airbrush or Image from the
Brush Type pop-up menu.
For more information about converting a shape to an editable paint stroke, see
on page 843.
The Paint Stroke tool creates a shape outline comprised of dabs. Dabs are vector or image
parcels that combine to create the outline of paint stroke. Dabs are analogous to the particles of
a particle system but are arrayed along the spline of a paint stroke rather than scattered across
the Canvas. The default Airbrush paint stroke is comprised of circular dabs. You can also use an
image as the source of dabs. By default, dabs are spaced so closely along the paint stroke spline
that they appear to form a solid, unbroken line. However, if you increase the Spacing value in
the Inspector, the dabs will appear as separate parcels along the stroke outline. In addition to
spacing, you can modify dab color, opacity, scale, and angle in the Inspector after a stroke is
created. For more information, see
on page 860.
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