Wednesday, September 23, 2009

Week 3 Learning Log: WHAT?

Constraints are the main point here in chapter four. Physical, semantic, cultural and logical. Physical are just a given - will this object fit through this hole? Semantic are conventions that should be followed by the user - in order to use the object. Cultural are dependent on the region or area where you might be. These can be the root of many problems. Misinterpretations and confusion are associated with cultural constraints. Logical constraints are the understood conventions for an object, etc... It depends on the layout or mapping of the object. It should be easily understood. 
Switches and controls on an audio mixing board can be easily understood but must be labeled for the user to control the surface accurately. There are bad examples of switch design also. The feedback of an object is important to understand also. The visibility has also to do with this. TBC... See next post

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