Creating Seamless Tiles

Patterns are created by repeating a rectangular image tile across an area. To develop patterns, you create images that will be tiled. Ideally, those images must tile seamlessly. That is, the eye should not be able to distinguish tile edges. Corel Painter provides ways to help you generate images that will tile easily.

The wrap-around colors feature lets you paint off one side ofan image and onto the other side.

To help in making seamless tiles, Corel Painter gives documents defined as pattern tiles two special characteristics: wrap-around colors and wrap-around seams.

• With wrap-around colors, a brush stroke dragged off one edge of an image appears on the other side. This makes it easier to paint seamless, self-tiling patterns.

• The wrap-around seams feature lets you move the edges of pattern tiles to the center of the image, where their tonal differences are more apparent and easier to correct.

To minimize seams

1 On the Patterns palette, click the palette menu arrow and choose Define Pattern.

2 In the toolbox, click the Grabber tool >.

3 Hold down the Shift key and drag inside the image.

You'll see a horizontal line and a vertical line where the image edges meet.

4 Drag until the crosshairs are centered. When the crosshairs are centered, release.

The wrap-around seams feature lets you move the pattern tile edges to the middle so that you can edit them.

To remove edge lines

• To preserve detailed images, set the Straight Cloner brush to clone from somewhere inside the image. For more information about cloning, see "Painting in the Clone" on page 278.

• Paint out edge lines using any color brush.

• Smear across edge lines with a brush that uses Water or Drip brush methods.

• Copy a selection to a layer and move it over the line. Feather the layer, and reduce opacity, to help produce clean transitions. Drop the layer when you're satisfied with the result. Refer to "Layers" on page 43 for more information about working with layers.

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