In this lesson you will get familiar with Photoshop, an image
editing, photo retouching and color painting software. You will
learn basic concepts of Photoshop's interface, as well as basic
tools that will help you alter, retouch and prepare your images
for your Web site.
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Go to File >
New...
Name: Choose a name for your
document
Image Size:
To create a document for Web, type in a number for width and
height and select "pixels" from
the drop-down menu.
" The pixel (a word invented from "picture element")
is the basic unit of color on a computer display or in a computer
image. When you work with images for Web you will work with
pixels as your measurement unit."
Set a Width and a Height for your image.
Resolution:
Set the resolution to "72" and
select "pixels/inch" from the drop-down
menu.
"Resolution is the number of pixels (individual points
of color) contained on a display monitor, expressed in terms
of the number of pixels on the horizontal axis and the number
on the vertical axis. The sharpness of the image on a display
depends on the resolution and the size of the monitor. The
same pixel resolution will be sharper on a smaller monitor
and gradually lose sharpness on larger monitors because the
same number of pixels are being spread out over a larger number
of inches."
(Source http://whatis.techtarget.com)
We will be covering more about resolution in the next
lesson.
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For Mode select RGB Color
A color mode in Photoshop determines the color MODEL used to display
and print documents. Photoshop bases these models in established models
for describing and reproducing colors, some examples are: RGB (Red,
green, blue), HUE (for hue saturation, brightness) and CMYK (for cyan,
magenta, yellow and black).
The Contents selector allows you
to select from a White, Color, and
a Transparent background for your document. We will
soon learn the relevance of working with a transparency in our documents.
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Adobe Photoshop Basics