618 | Corel Painter 2015 User Guide
•
To use an alpha channel, choose Window Channels, and click the alpha channel in the Channels
panel.
2 To apply the effect to:
• The canvas — Click the Canvas in the Layers panel.
• A selection — Click a selection tool from the toolbox, and drag in the document window to select an
area.
• A layer — Click a layer in the Layers panel.
3
Choose Effects Focus Depth of Field.
4 Choose Original Luminance from the Using list box.
Darker regions of the source receive greater blur.
5 Adjust any of the Depth of Field controls. For information, see “Depth of Field controls” on page
618.
Depth of Field controls
• Min Size — sets the minimum radius of the blur regions
• Max Size — sets the maximum radius of the blur regions
The maximum size must be greater than the minimum size.
Applying Glass Distortion
The Glass Distortion effect creates the kind of distortions you would see if you were looking at your image
through a sheet of glass. You can make your image appear as if it is behind the pebble glass of a shower
door, or you can distort your image beyond recognition.
Glass Distortion works by relocating the pixels of the image based on a displacement map. The map is
created by combining displacement information from a source with a preset map type.
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