The Wonderful World of Computer Graphics

Nancy B. Clark, MEdUSA Family Practice

Outline

DefinitionsGraphics ProgramsSources of GraphicsHands on Experiences

Digital Camera -- Photo Touchup Scanning Clipart CD Drawing

Definitions:

Clipart/drawingsPhotographs

Compression

Graphics File Formats: gif (best for clip-art) jpg (best for photos) bmp … (Windows)

Resolution DPI: Web vs Print Photo quality printers 1440 DPI+ Web 72 DPI

Color Palettes 256 colors 32K - 16M

Resizing

Maintain Aspect Ratio (Shift-Corners)Reduce Pixels

Cropping

Rotate, flip, and mirror

Adjusting

Color, Contrast, Brightness

Ordering/Arranging

Send to BackBring to Front

Objects

Grouping/Ungrouping

Graphics Programs

CorelAdobe PhotoShopAdobe Photo DeluxePaint Shop ProWindows PaintElectronic Photo AlbumsScreen Saver Photo Albums

Sources of Graphics

Scanning Pictures Text

Digital CamerasCapturing Graphics

from the WebClipart Gallery CDs

Photo CD from film development

DrawingUsing Charting

Utilities

Storage Options

Hard Drive (pros and cons)1.4 M 3.5” floppy - 8-10 high-res .jpg100M Zip disk - 100 photos125M 3.5” Superdisk -125 photos600M read/write CD1G Jaz 9G read/write DVD**future technology

133K640x480 .jpg photo

with 16M colors

Inserting a picture in Word and PowerPoint

Select the Insert MenuSelect Picture or ImageSelect Clipart... or From File…

Where Saved? What Name?

Move itResize it

Sending Graphics

Create a new e-mail messageAddress itWrite messageAttach graphics fileSend message