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232
Adobe Photoshop Help
Painting
Using Help
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Contents
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232
You work with two components when adding dynamics elements to a brush:
•
Jitter percentages specify the randomness of dynamic elements. At 0%, an element
does not change over the course of a stroke; at 100%, an element has the maximum
amount of randomness.
•
Options in the Control pop-up menus specify how you want to control the variance of
dynamic elements. You can choose to not control the variance of an element, to fade an
element over the specified number of steps, or to vary an element based of pen
pressure, pen tilt, or position of the pen thumbwheel.
Note:
Pen controls are only are available only when you’re using a pressure-sensitive
digitizing tablet such as the Wacom
®
tablet. A warning icon appears if you select a pen
control but have not installed a tablet.
Specifying brush shape dynamics (Photoshop)
Shape dynamics determine the variance of brush marks in a stroke.
Brush stokes without shape dynamics and with shape dynamics
To edit shape dynamics for a brush:
1
In the Brushes palette, select Shape Dynamics on the left side of the palette. Be sure to
click the name, rather than the check box, to select the item.
2
Set one or more of the following options:
Size Jitter and Control
Specifies how the size of brush marks vary in a stroke. For more
information, see
“About brush dynamics (Photoshop)” on page 231
.
To specify the maximum percentage of jittering, type a number or use the slider to enter a
value. To specify how you want to control the size variance of brush marks, choose an
option from the Control pop-up menu:
•
Off to not control the size variance of brush marks.
•
Fade to fade the size of brush marks between the initial diameter and the minimum
diameter in the specified number of steps. Each step is equal to one mark of the brush
tip. The value can range from 1 to 9999. For example, entering 10 steps produces a fade
in 10 increments.
•
Pen Pressure, Pen Tilt, or Stylus Wheel to vary the size of brush marks between the initial
diameter and the minimum diameter based on the pen pressure, pen tilt, or position of
the pen thumbwheel.
Minimum Diameter
Specifies the minimum percentage by which brush marks can scale
when Size Jitter or Size Control is enabled. Type a number, or use the slider to enter a value
that is a percentage of the brush tip diameter.