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1
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2
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- Focus on Computer Graphics
- Dynamic Media: Beyond the Printed Page
- Interactive Multimedia: Eye, Ear, Hand, and Mind
- Data Compression – How and Why
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- Computer graphics include:
- Painting Software
- Digital Image Processing
- Drawing Software
- 3-D Modeling Software
- CAD/CAM
- Presentation Software
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- Use pointing devices to “paint” objects, shapes or freehand script on
the screen
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- Outlined
shapes can be filled with colors
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- Why Digital Imaging Software?
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- Object-Oriented Software offers drawing tools similar to painting
software
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- Shapes in Object-Oriented Software:
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- You have more control
over textures, shading,
and fine detail
- Use for creating screen
displays (for video games,
multimedia presentations,
and Web pages)
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13
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- When painting with pixels:
- Use for simulating
natural paint media
- Use to embellish
photographic images
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- When drawing object shapes:
- shapes and lines are cleaner and smoother
- use for creating printed graphs, charts, and illustrations
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- Use ready-made graphics (clip art) when available and appropriate
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- Engineers,architects, and designers
use CAD/CAM
software to design
or manufacture
products
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- CAD (computer-aided design) is a modern drafting tool for designers
- Designs can be tested under various conditions before being built
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- Presentation graphics software is used to create visual aids for:
- Lectures
- Training and education sessions
- Sales and product demonstrations
- Meetings
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- Users can Enter text
in outline form
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- Modern media often contains dynamic information that changes over time
or in response to user input
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- Create the illusion
of animation from
still images with animated graphics
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- Tedious tasks have been automated with computers and animation software
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- Remember your goal
- Remember your audience
- Outline your ideas
- Be stingy with words and graphics
- Use a consistent design
- Keep slide focused
- Tell them what you’re going to tell them, then tell them, then tell them
what you told them
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- Morphing software metamorphoses one image into another
- Click the picture to see this image morph to another image.
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- Add sound to any multimedia project by using:
- digitized audio (music or any sound) from a CD or audio file
- synthesized audio (music or sound) using MIDI instrument
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- Hypertext and Hypermedia allow you to quickly go to other parts of a
document or other related documents.
- Examples include:
- Help files that use hypertext to jump to different help screens
- Web pages that allow you to jump between documents over the Internet
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- Combine text, graphics, animation, video, music, or sound
effects in such a way that the user takes an active part
in the experience
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- Requirements: high-quality color monitors, fast processors, large
memory, CD-ROM drives, speakers,
and sound cards
- The user controls
the flow of
information
and is not a
passive viewer
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- Create and edit multimedia
projects.
- Begin with source documents (text, graphics, video clips, music, and
sound files)
- Multimedia authoring software allows you to combine the individual
sources
- Authoring software allows the project to be interactive (requiring the
user to take an active role)
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- Be consistent
- Make it intuitive
- Strive for simplicity
- Keep it lively
- Make sure the message gets through
- Provide navigational aids
- Test the product on novices
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- may increase communication
- give people control over the flow of information
- allow participation in
democratic decision
making
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Notes
