• Currently we are full. However, I will let 2 more people in, under the assumption that a couple of people will drop this class as the quarter continues
• Do you have the prerequisite? Art 2025
• Add requirement: A laptop with Adobe Photoshop & Illustrator version CS3 or CS4 installed, and willingness to find space in odd places
• Last Day to Add/Drop or change grade type: Oct 7th

• Check the roster

Don't forget to sign in!

• Sign in with your initials by start of class
• Failing to sign in means an absence from class!

Fill In The Index Card

• Last name, first if you want to…
• Make it bold!

This Is Where It's At

• I guess I'm a control freak…

It's here

• A Simple photograph of you please, holding up your card
• You are in no way obligated to have your photo taken, it's only for me to remember who you are come final grading time.

• Ones & Zeros

• Vacuum Tubes, Transistors, Microprocessors

These things think in ones & zeros, in ons & offs. And, you can use those ones & zeros to represent information.

It's not:
• Film
• Print
• Paint on Canvas, Pencil on Paper...
• It's Not Real

What is a Pixel?

• Pixels, Pels, Frame-Buffers & Sprites
• Bitmaps are all pixel-based – Vectors are not
• Vectors lie beneath the pixel layer
• Let's look at some bitmaps
• Demo Google Images
• Oh oh! Copyright!
• Demo iStockPhoto.com
• Let's Zoom In…

What is a Vector?

In a word: Code

gsave
1 0.5 scale
70 100 48 0 360 arc
fill
grestore
/Helvetica-Bold 14 selectfont
1.0 setgray
29 45 moveto
(Hello, world!) show
showpage

Produces:

What is usually a vector?

• Text, Fonts
• Basic Shapes
• Curves
• Demo iStockPhoto.com

Compare zooming into a bitmap vs. a vector image

bitmap

vector

Bitmaps: Photoshop

Vector: Illustrator

But…

They both work with both (confusing, ain't it?)

Demo