|Wacom Bluetooth Stylus|
|Jot Bluetooth Stylus|
|The Effects Library|
|Color Source Effects|
|Color Source Introduction|
|Color, HSBA Mask|
|Color, RGBA Mask|
|Drawing, Edge Detect|
|Texture, Edge Detect|
|Procedural Source Effects|
|Color Filter Effects|
|Spatial Filter Effects|
|Math and Logic Effects|
|The Artist Gallery|
pena © 2014 by David Cook
The Drawing Ripple Effect lets you use your 'most recent' drawing as the color source with a water like ripple effect added. (Think of the concentric circle waves you get when you toss a stone into a lake.)|
The Drawing Ripple Effect is identical to the Drawing Effect with the addition of a ripple effect.
If you enable the Fit To Brush Option you will paint with the Current Ripple Drawing sized to your brush.
|ReminderYou might want to also watch the Pena Tutorial #7 - Using the 'Drawing' Texture video tutorial.|
Under normal use, each time you stop painting on the Canvas (eg., lift your finger) the current Canvas is stored in a special texture called the Drawing Texture.
You can change this behavior using the Drawing Control icon on the Control Pane. You can turn off the automatic saving of the Canvas into the Drawing Texture, and instead specify manually when you want the Drawing Texture updated.
Leaving Drawing on automatic update allows you to paint with 'feedback'. Each time you start painting, what you painted last will be used as input to what you are painting now.
Putting Drawing on manual update lets you treat the last Canvas stored in the Drawing Texture as a more permanent texture, not changing each time you paint.
Also keep in mind that unlike other Textures, which automatically orient to the device orientation, the Drawing Texture, because it is a copy of the Canvas, does not auto-orient, but stays in the original orientation it was created in.
The Drawing Ripple 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).|
|Ripple Amount:||This value controls the number of ripples generated. Very low numbers produce very little distortion, higher values produce extensive ripple distortion.|
|Ripple Center:||This value controls the center of the Ripple Effect.|
|Ripple Height:||This value controls the height of the each Ripple wave. This is used together with Ripple Center to determine the strength (boldness) of the Ripple.|
|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.|
To show the Drawing Ripple Effect we started by placing our orchid photo into the Drawing buffer. The photo looks like this:|
We then did a Ripple with the values set to the defaults:
In the next image we set the Ripple Amount to a low value of 1.2:
As you can see in the next image, setting high values can result in extreme distortion:
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