Selecting Visuals

Types of Images

Fidelity – degree of realism Black-line drawings to color photographs Graphics – fantasy vs. reality

Degree of Realism

Black-line Drawing vs. Color Photograph

Degree of Realism

Cartoon vs. Reality

Graphics – Degree of Realism

Selection Criteria

Audience

Purpose – motivate, inform, instruct

Instructional objective – desired outcome

Audience

Sophisticated viewers can link abstract representations to real-world referents

Audience

Less sophisticated viewers have more difficulty creating a link between abstract representations and real-world referents

Image Sources

Digital camera Scanner Clip art collections Photo CD’s Draw/Paint Internet images

Graphic File Formats PICT - is supported by all graphics programs that

run on a Macintosh. BMP - standard bit-mapped graphics format used in

the Windows environment. GIF - Pronounced jiff or giff (hard g) stands for

graphics interchange format, a bit-mapped graphics file format used by the World Wide Web.

JPEG - Short for Joint Photographic Experts Group, and pronounced jay-peg. JPEG is a compression technique for color images.

Copyright and Images Fair Use Law Print Images

– Clip Art Books– Other Sources

Digital Images– Digital camera– Scanner– Clip art collections– Photo CD’s– Draw/Paint– Internet images

Copyright Information1. Crash Course in Copyright

http://www.utsystem.edu/OGC/IntellectualProperty/cprtindx.htm

2. The Copyright Workshophttp://www.cyberbee.com/copyrt.html

3. 10 Big Myths About Copyrighthttp://www.templetons.com/brad/copymyths.html

4. Copyright and Fair Use in the Classroom, on the Internet, and the World Wide Web-University of Maryland University College

http://www.umuc.edu/library/copy.html#copy

5. Copyright Resources on the Internet – Groton Public Schoolshttp://www.groton.k12.ct.us/mts/pt2a.htm

Searching the Internet for Images

The direct approach Image finder features of search engines Specialized image search tools

Search Feature of Search Tools

Available with ixquick (pictures), AltaVista (images and video), HotBot (images and video), Go.com (images and video)

Most return results as thumbnails of the image

Specialized Image Search Tools

Ditto.com– Search or browse by category– Includes pictures that have been reviewed– Send requests to “Ditto Detective” if you can’t

find an image in the Ditto database– Linked keywords included in results– Images are protected by copyright

Other Choices

FreeFoto http://www.freefoto.com GoGraph http://www.gograph.com The Amazing Picture Machine http://www.ncrtec.org/picture.htm

To Download

Right click Save image as

Can rename the image Consider the format

Clip-Art Web Sites

http://www.webclipart.about.com/internet/webclipart/ http://www.teacherfiles.com/clip_art.htm http://www.clipart.com/ http://www.webplaces.com/search http://school.discovery.com/clipart/ http://clipartresource.com