Insight
Use Photoshop and Illustrator to Create a Mosaic Effect
Dateline: November 19, 2007
Version: Adobe Illustrator and Photoshop CS3
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In
this tutorial, you’ll use Illustrator, with a little
help from Photoshop, to mosaic an image.
However, before you start to work in Illustrator,
you’ll first use Photoshop to pixelate the
selected art. Although you can also use a
similar filter/pixelate feature in Illustrator, we
chose to pixelate in Photoshop for the simple
reason that it produces a higher quality result.
Once that step is completed, you’re done
with Photoshop and you’ll finish the remaining steps in Illustrator, which
includes applying one of the Stylize filters
to round the corners of the mosaic design.
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Launch Photoshop and open the file to which you want to give the mosaic effect. We used the one at left of a CD.
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 Choose Filter > Pixelate >
Mosaic. Use the options in
the resulting Mosaic dialog
box and click OK.
Choose Select > All (Command
+ A). Choose Edit >
Copy (Command + C).
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Launch Illustrator. Choose
File > New (Command +
N). In the resulting New
Document dialog box,
select Letter and CMYK
color and click OK.
Choose Edit > Paste (Command
+ V). Choose Filter >
Create > Object Mosaic. In
the resulting Object Mosaic
dialog box, set the Number
of Tiles Width to 60, click
the Use Ratio button, use
the options shown and click OK.
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Choose Filter > Stylize >
Round Corners. Use the
options in the resulting
Round Corners dialog box and click OK.
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Choose Window > Color
(F6). Set the Stroke to White. Choose Window >
Stroke (Command + F10).
Set the Weight to .4 pt.
Choose Select > Deselect
(Command + Shift + A).
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Our final effect is shown at left (click to enlarge).
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