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Presenting Work: Graphics and Charts

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Presenting Work: Graphics and Charts. Computer Graphics. Computer graphics refers to any pictures or graphs produced using a computer. Drawing and Design Packages. Drawing and design packages include packages for: freehand drawing and ‘painting’; image manipulation;

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PowerPoint Slideshow about 'Graphics and Charts' - medwin


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Presentation Transcript
computer graphics
Computer Graphics

Computer graphics refers to any pictures or graphs produced using a computer.

drawing and design packages
Drawing and Design Packages

Drawing and design packages include packages for:

  • freehand drawing and ‘painting’;
  • image manipulation;
  • 3-D modelling;
  • animation.
picture storage
Picture Storage

Storage of pictures can be:

  • pixel based (bit-mapped) - a picture stored as a set of dots;
  • object based (vector or line) - each picture is stored as a set of shapes.
paint packages
Paint Packages

A paint package is a general term for any program which allows freehand drawing and colouring.

computer aided design
Computer Aided Design

A computer aided design (CAD) system allows the user to produce accurate drawings.

Hardware for CAD usually includes:

  • a microcomputer with a large hard disk and main store;
  • a graphics tablet with a stylus;
  • a high resolution monitor;
  • a plotter or at least a laser printer;
cad and cam
CAD and CAM
  • CAM is computer aided manufacture.
  • CAD/CAM is a CAD system integrated with a CAM system.
graphs and charts
Graphs and Charts

Graphs and charts are often referred to as “business graphics”.

Types of graph include:

  • a bar chart, made up of rectangular; blocks or bars;
  • a pie chart, in the form of a circle with lines drawn out from the centre;
  • a line graph, which has a set of points joined by a line;
  • a scatter graph, produced when two different quantities are plotted against one another.
slide9
These types of graphs are used as follows:
  • bar chart - to show the relative sizes of separate values;
  • pie chart - to show how something is shared;
  • line graph - to show how a quantity is changing;
  • scatter graph - to show how different quantities are related;
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