
328 | Corel Painter 2015 User Guide
you choose the Pressure expression on the Opacity panel, set the Opacity slider to 50%, and then set the
Min Opacity slider to 20%, the more stylus pressure you apply, the more opaque the brushstroke will be.
Direction adjusts the angle value of the direction controller. When the expression is set to Direction, it
specifies the angle at which a brushstroke narrows or widens, which is particularly useful for calligraphic
effects.
To choose an Expression setting
1 Open any of the following brush control panels: Opacity, Grain, Size, Angle, Airbrush (Feature and
Flow), Impasto, Liquid Ink, Stroke Jitter, Well (Saturation and Bleed), and Color Expression.
2 Perform a task from the following table.
To Do the following
Disable the expression setting Choose None from the Expression list box.
Adjust the brushstroke based on the dragging
speed
Choose Velocity from the Expression list box.
Dragging quickly minimizes the setting; dragging
slowly increases it.
Adjust the selected brushstroke based on the
direction of the stroke
Choose Direction from the Expression list box,
and move the Direction slider.
Adjust the brushstroke based on stylus pressure Choose Pressure from the Expression list box.
Greater pressure increases the setting for that
brush feature.
Adjust the brushstroke based on the wheel setting
on an airbrush stylus, specifically the Intuos
Airbrush stylus
Choose Wheel from the Expression list box. The
maximum value is set when the wheel is pushed
all the way forward. The minimum is set when the
wheel is pushed all the way back.
Adjust the brushstroke based on the angle of the
stylus from the tablet
Choose Tilt from the Expression list box. For
example, when the stylus is perpendicular to the
tablet, Tilt is set at zero.
Adjust the brushstroke according to the direction
in which the stylus points
Choose Bearing from the Expression list box.
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