Corel Painter X3 Win/Mac, EDU, EN Podręcznik Użytkownika Strona 492

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Impasto 469
Adjusting and creating Impasto brushes
The Impasto brush controls let you modify Impasto brush variants, or transform other
brush variants into Impasto brushes. The controls let you set drawing and depth
methods, set the amount of depth applied, and the modify brush interaction. The
impasto settings act identically to other brush settings, in that they’re saved as part of
a brush variant or applied to any active brush. For more information, see “Adjusting
brushes with brush controls” on page 315.
Setting an impasto drawing method
The impasto drawing methods control the amount of color and depth that the brush
applies to the canvas. When you change the drawing method, it affects the next
brushstroke that you apply to the canvas.
Setting an impasto depth method
The impasto Depth Method lets you choose a control medium for applying depth.
Corel Painter uses the luminance (brightness) information in the control medium to
determine how much depth is applied within a stroke. Light areas of the medium receive
more depth; dark areas receive less. Black areas appear flat.
For example, when you use Paper as the Depth Method, the bright and dark areas of
the paper grain determine where grooves and bumps appear in the brushstroke.
This Impasto brushstroke is produced when Paper is used as the Depth Method.
The impasto depth method option is not supported by all brush types.
Controlling the depth interaction of a medium
If the brush variant that you chose allows you to select a Depth Method, you can also
adjust various settings that alter the way the brushstrokes interact the canvas and other
brushstrokes.
You can invert the depth method to apply the negative of the source in a brushstroke.
For example, if you invert the depth using Weaving Luminance, light areas of the
weave become dark and vice versa.
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