Graphic Design Exercises
Photoshop: Channels
Objective
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To be introduced to Photoshop's masking, blending and colorization
tools. To create the following montage by example:
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Discussion |
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Photoshop has the ability to collage images seamlessly. When creating
montages, be sure that there is a great contrast in size to help
the viewer enter the picture. In this example, the contrasting
subjects also help communicate a concept: the merging of art
and technology. This illustration was used in a brochure for
printing inks, therefore saturated colors were chosen.
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Procedure |
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masking mona
- download starter files
- open "mona.psd" in Photoshop
- rename "background" layer "mona"
- new layer "black"; fill with black (opt+DELETE)
- restack layers
- draw oval (w/ option key); select > transform selection,
adjust
- "mona" layer: layer > add layer mask > reveal selection
- layer mask: filter > blur > gaussian blur (40)
making alberts
- open "albert.psd"
- move tool: drag image into main window; close "albert.psd"
- rename layer "albert"; hide others
- window > show channels
- go to blue channel; image > adjust > invert (cmd+I);
go back to "RGB"
- window > show layers
- dupe albert (move tool, add option to copy, add shift to constrain)
- go to channels, invert red channel, go to RGB channel, return
to layers
- dupe albert again
- go to channels, invert blue channel (again), go to RGB channel,
return to layers
- combine all 3 alberts: merge down (cmd+E), repeat
- dupe again (option+shift+move);
reposition, repeat
- combine alberts: go to top layer, merge down (cmd+E), repeat
- reveal "mona" and "background" layers
masking alberts
- layer > add layer mask > reveal all (note icon in floating
palette)
- choose default colors
- draw linear gradient (foreground to background)
- new layer "corner"
- draw linear gradient (foreground to transparent)
- save, flatten image
- image > mode > CMYK
- save as "mona.jpg" (quality=maximum for print)
grading
- print a proof with your name on it for grading
- file your graded proof in your 3-ring binder for individual review
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2/7/08
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