Photoshop Tutorial
Photoshop Tutorial
University of Chicago Computer Science Instructional Laboratory
(MacLab / linux lab)
Getting Started
Select the size of the blank document that you want to create. Pay special attention to your
choice of resolution. If you’re creating an image for the web, 72 pixels per inch will suffice.
If you’re creating a detailed art project, you want at least 300 pixels per inch, but obviously
A Few Words About Color
Computers recognized many different color formats. Some common choices include:
RGB color — lists a value between 0 and 255 for each of the Red, Green, Blue components
of a color. (0, 0, 0), the absence of color, is completely black. (255, 255, 255), the
presence of all colors, is completely white. Most Photoshop artists work in RGB.
CMYK color —lists a percentage of each of the colors (Cyan, Magenta, Yellow, blacK).
CMYK can best be thought of as the “color printer cartridge colors.” Some graphics.....
University of Chicago Computer Science Instructional Laboratory
(MacLab / linux lab)
Getting Started
Select the size of the blank document that you want to create. Pay special attention to your
choice of resolution. If you’re creating an image for the web, 72 pixels per inch will suffice.
If you’re creating a detailed art project, you want at least 300 pixels per inch, but obviously
A Few Words About Color
Computers recognized many different color formats. Some common choices include:
RGB color — lists a value between 0 and 255 for each of the Red, Green, Blue components
of a color. (0, 0, 0), the absence of color, is completely black. (255, 255, 255), the
presence of all colors, is completely white. Most Photoshop artists work in RGB.
CMYK color —lists a percentage of each of the colors (Cyan, Magenta, Yellow, blacK).
CMYK can best be thought of as the “color printer cartridge colors.” Some graphics.....
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Friday, April 2, 2010
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