Technology
Tools for Teaching: Beginning Level
Introduction to Photoshop
Digital Imaging Basics
for Web Production:
-
dpi/lpi and image resolution
-
mac 72 dpi
-
pc 96 dpi
In Photoshop use Image->Image
Size to change resolution
Color Palettes:
-
256 colors standard on any Mac
or PC
-
216 colors common to both platforms
-
RGB color uses 256 colors and
can distort images cross platform
-
Indexed color (web palette)
is fastest download and safest reproduction
In Photoshop use Image->Mode
to change color palette
Image File Formats for
the Web:
-
jpeg (joint photographic experts
group) for photographs and high resolution
-
gif (graphic image file format)
for graphics, backgrounds, and clickable links
In Photoshop use File->Save
As to change file format
Tutorial/Handouts
Photoshop Advanced Tutorial
Links:
More Advanced Photoshop
Stuff for Web: