pena © 2014 by David Cook
The Nebula Effect produces a deep space star pattern.|
Nebula produces its own colors and ignores Color 1 and Color 2.
The Nebula Effect is time sensitive and can use a Clock or Clock Modifier (available in the Nebula Effect Options) to modify the Effect over time.
If you enable the Fit To Brush Option you will paint with the Nebula Effect sized to your brush.
The Nebula Effect has the following Options Pane:|
|Clock:||This Effect can change over time. This control lets you select which of the four Clocks to use (Clocks are assigned in the Brush Pane). Any Green Colored Clock is the one currently in use. Tap the reset button and a Pop Up will appear that lets you reset any of the four Clocks to their initial value. Yellow colored clocks are not in use. Note that you can turn Clocks off by tapping a Green Clock turning all of them yellow.|
|Clock Modifier:||This value is added to the current Clock. You can use this to change where in time this Effect is, relative to the Clock (this allows different Effects to use the same Clock with different offsets).|
|Star Strength:||This value sets the brightness, or strength, of the stars. The lower the value the brighter and stronger the stars. The higher the value the dimmer and fewer the stars. Note that setting this to very low values drastically increases the time it takes to render the Effect.|
|Star Magnitude||This value controls the overall magnitude of the stars that will be shown. With very low values only the brightest stars will appear, and they will appear dimmer. The higher the value the more stars appear and the brighter the overall star field becomes. Note that setting this to very high values drastically increases the time it takes to render the Effect.|
|Star Diffusion||This value controls the number of stars and density of how they are packed together. The lower the number, the fewer and less densely packed the results will be. The higher the number the more stars and more densely packed the results will be. Note that setting this to very high values drastically increases the time it takes to render the Effect.|
|Fit To Brush:||If set to a Red X the Effect spans the screen such that as you paint you reveal the Effect. When set to a Green Check Mark the Effect is sized to the brush such that as you paint the entire Effect is within the brush itself.|
|Output Color 1:||By default this is set to REPLACE which means that the set color will be output to Color 1. You can change this as explained in Options Pane Color Mixers.|
|Output Color 2:||By default this is set to IGNORE which means that the Color 2 will be ignored (the original Color 2 will be kept). You can change this as explained in Options Pane Color Mixers.|
The following image shows the Nebula Effect with default values:|
In this next image the Star Strength has been reduced:
Here we have the default values with a lower Star Magnitude of 6:
And finally the default values with a higher Star Magnitude of 12:
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