ABSTRACTIONS

• USE OF ABSTRACTIONS FREES DESIGNER FROM ATTENTION TO DETAILS
  • DETERMINE "BIG PICTURE" ASPECTS OF DESIGN

• ALLOWS DESIGNER TO SHIFT FROM ONE PART OF DESIGN TO ANOTHER - OR SHIFT LOD

• ABSTRACTION: ENTITY REPRESENTATION WITH SOME DETAILS OMITTED

• OMITTED DETAILS: ATTRIBUTES - SUB-ENTITIES - SUB-ENTITIES RELATIONSHIPS
  • ABSTRACTION OF COLUMN: SHAFT WITH NO BASE OR CAPITEL

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Ugo O. Gagliardi
GSD-2317 Spring 2005-2006