• How hard is it for you to go to San Jose?
• If you want to do 3D computer character animation, the best advice I can give you is:
  TAKE FIGURE DRAWING!
  • Luckily, there is a free Figure Drawing class every Tuesday night...
  • 

One of the first visual artist to become an insider in the world of Computer Graphics.

Artist In Residence at NASA's Jet Propulsion Laboratory (JPL) in 1977

Examples

His story in his own words

Born 1947 in Gunma Japan.

Creates "Algorithmic Art" through hand-coding processes that output graphical images.

Examples

• Ones & Zeros

It's not:
• Film
• Print
• Paint on Canvas, Pencil on Paper...
• It's Not Real
• So what is it anyway?

The smallest unit of display information on the screen

• Described in three dimensions:
• (X) Horizontal location from the left side of the screen
• (Y) Vertical location from the top of the screen
• (Z) Color of pixel at the location

Color of pixel at the location is one of a set of colors determined by the Bit Depth of the image

Bit Depth

• What is Depth?
• If an image is X pixels wide and Y pixels high, then it can be said to have a depth of Z
• What is a Bit?
• 1 or 0
• Bits can be used for binary arithmetic

Binary	Power of 2	Decimal	Hexadecimal
1 10 100 1000 10000 100000 1000000 10000000 100000000	2 to the power of 0 2 to the power of 1 2 to the power of 2 2 to the power of 3 2 to the power of 4 2 to the power of 5 2 to the power of 6 2 to the power of 7 2 to the power of 8	1 2 4 8 16 32 64 128 256	1 2 4 8 10 20 40 80 100

Decimal	0000	0001	0002	0003	0004	0005	0006	0007	0008	0009	0010	0011	0012	0013	0014	0015
Hexadecimal	0000	0001	0002	0003	0004	0005	0006	0007	0008	0009	000A	000B	000C	000D	000E	000F
Binary	0000	0001	0010	0011	0100	0101	0110	0111	1000	1001	1010	1011	1100	1101	1110	1111

• Color Depth is measured in bits
• 8 bits: 10010100: 256 possible combinations
  (2 to the 8th power or 2x2x2x2x2x2x2x2)
• 24 bits: 101010011010100101011001: 2 to the power of 24
• 3 sets of 8 bits for Red, Green and Blue (RGB)
• Demo Photoshop's Color Palette
• 32 Bit
• 3 sets of 8 bits for RGB, one set for transparency
• Beyond 32 bits…

• Bitmaps are bound to the individual pixels that describe them
• Changing size means loosing information
• They tend to fall apart when you make them bigger
• Vectors are bound to mathematical formulas that describe them
• Changing size does not really affect them
• They tend to be smaller in file size
• They tend not to be as detailed as bitmaps
• Let's Compare
• yellowbell.jpg
• pepper.zip (illustrator file)
• Illustrator & work in both, but…
• Illustrator is optimized for vectors
• Photoshop is optimized for bitmaps

• Aliasing is what happens when solid colors don't conform to vertical and horizontal edges
• Anti-aliasing is the process which softens the "stair steps" of aliasing through color interpolation