Corel Painter Help | Color Expression controls

Quick links to procedures on this page:

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Color Expression controls

Color Expression determines whether Corel Painter should use the main or additional color in an image. Using Color Expression, you can introduce input (such as direction) which controls output when you apply two-color brushstrokes. You can also adjust the amount of variation applied to Color Expression by adjusting Color Jitter.

Digital Airbrush brushstrokes without Color Jitter (left) and with Color Jitter (right)

To set Color Expression controls

Choose Window

Brush Control Panels

Color Expression.

In the Color Expression panel, choose one of the following options from the Expression list box:

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None — applies no adjustment to the color expression

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Velocity — adjusts the color expression based on the dragging speed

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Direction — adjusts the color expression based on the direction of the stroke, and according to the value you set with the slider or in the box

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Pressure — adjusts the color expression based on stylus pressure

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Wheel — adjusts the color expression based on the wheel settings on an airbrush stylus, specifically the Wacom Intuos Airbrush stylus

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Tilt — adjusts the color expression based on the angle of the stylus from the tablet

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Bearing — adjusts the color expression based on the direction in which the stylus points

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Rotation — adjusts the color expression based on the rotation of the stylus

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Source — adjusts the color expression based on the luminance of the clone source

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Random — adjusts the color expression at random

If you want to switch the main and additional colors, click the Invert button

If you chose Direction from the Expression list box, move the Direction slider until the desired angle is achieved.

To set color variation using jitter

Choose Window

Brush Control Panels

Color Expression.

Move the Color Jitter slider.

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