Calibrating brush variants

When you draw with traditional media, the amount of pressure that you use with a tool determines the density and width of your strokes. Using a pressure-sensitive stylus with Corel Painter gives you this same kind of control. Because each artist uses a different strength or pressure level in a stroke, you can calibrate individual brush variants to match your stroke strength.

The most common way of adjusting brush calibration is to apply a typical brush stroke, such as a wavy stroke, to the scratch pad. Corel Painter then uses your stroke to calculate the appropriate pressure and velocity settings for the brush variant.

For example, you can set less pressure when sketching with a pencil brush variant, but set more pressure when using an oil paint brush variant. Corel Painter saves Brush Calibration control settings with the brush variant, so whatever sensitivity you set will be the default the next time you choose the brush variant. If you set Brush Calibration for a specific brush in addition to general Brush Tracking preferences, the Brush Calibration settings override the Brush Tracking preferences. For more information, see Brush tracking and calibration.

When you use the scratch pad to set brush calibration, Corel Painter calculates the pressure and velocity settings for you. However, you can manually adjust these settings. For example, you can adjust the stroke pressure to achieve a full pressure range (Pressure Scale slider) using a softer or harder touch (Pressure Power slider). You can also adjust the stroke velocity to achieve a full velocity range (Velocity Scale slider) with a slower or faster stroke (Velocity Power slider).

To ensure that a brush control is using the pressure or velocity settings, you need to set the brush control Expression setting to Pressure or Velocity. For more information, see Expression settings.

To calibrate a brush variant

1 .	With a brush variant selected, choose Window Brush Control Panels Brush Calibration.

3 .	Click the Set brush calibration settings button .

You can also access the Brush Calibration panel by clicking the Advanced Brush Controls button on the Brush tool property bar.

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