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pena © 2014 by David Cook
The Texture Twist Effect lets you use any of the 5 Texture or Noise slots in the Texture Pane and use that Texture, twisted, in your painting. Since you can use multiple Effects at the same time, you can use multiple Texture Effects with different Textures (up to 5). Textures are either Noise or a Photo from your Photo Album.|
The Texture Rotate Effect is identical to the Texture Effect with the addition of a twist being added to the Texture.
If you enable the Fit To Brush Option you will paint with the Texture Twist sized to your brush.
The Texture Twist Effect has the following Options Pane:|
|Texture Slot:||Use this to select the Texture Slot you want to user from the Texture Pane. The dark green circle is the currently selected Texture, the lighter yellowish circles are not selected. Remember that any Texture slot can contain either a Photo from your Photo Album, or Noise. The Texture slot you pick does not have to have a Texture in it yet - however, if you try to paint you will get a warning that you need to load a missing Texture.|
|Center X:||This specifies the X (horizontal) center of the twist on the Canvas. A value of 0.0 is the left side of the Canvas, 0.5 the center, and 1.0 the right side of the Canvas.
|Center Y:||This specifies the Y (vertical) center of the twist on the Canvas. A value of 0.0 is the bottom of the Canvas, 0.5 the center, and 1.0 the top of the Canvas.
|Radius:||This is how far out from the center the twist goes until it stops. Low values are very close to the center, large values move further away until it is the full Canvas size.
|Twist:||This is the amount of desired Twist. Low values add very little twist to the image, high values add more and more till you get full distortion. Positive values twist clockwise, negative values twist counter-clockwise.
|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 Texture Twist Effect we again have loaded our Arches National Park photo into our Texture Pane slot 1:|
We then did a Twist with the default values:
Now setting a Twist to a full 10.0 gives us an extremely distorted twisted image:
Setting Twist to -1.420 and setting the Radius to 0.190 only twists a bit of the Canvas:
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