tutorial photopaint
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54) Brush Tool: Orbits
immagineOrbits creates brush strokes by rotating a nib around a center line as the brush tool has been drag: the results are brush strokes that would been impossible any other way.
The most important control is the Toggle Orbit Button, it controls the the selection of this feature.
Orbits are pixels painted by nibs around a center line, only if the Include Center button is enabled the center line is also included and it is possible to see it.
The brush setting docker shows many other settings for the orbits.
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immagine Number of orbits: this setting determines the number of orbits that are distributed around the center of a brush stroke.immagine
Use a value from 1 to 128: use lower values for spirals and higher values for rings.
Radius: this setting refers to the size of the orbits produced, not of the size of the brush.
Rotation speed: this setting determines how many times per brush stroke the orbit is going to cycle through its pattern.
Grow speed and Grow amount: these two settings control the overall amplitude and duration of the cycle.
Color variation settings (in the separate roll-up): control the colors (hue range and speed), how vibrant the colors in the orbit brush strokes are (saturation range and speed) and the overall Lightness.
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off = center button   -   center button = on
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