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Show 46 aKe it :e:aively easy, on a coceptual level a: le2st, tc ;ctle ai, sy of the most successfl systes, sllch extract te ifcrration needed for a Farticular "v i e w " h:ch is covenient for the user. I!, however, these views tend to e all nearly the sae, this advantage ay be lest. 0"," ap;:rcac:-: .... ', be to s e c r i f i c e the c s ne r e Li t y ane "e Lec e nc e " of :-;e r e La t i c n e I s crie n.e i r, o r c e r to e x c l c i t the efficiency to be gained by defiing larger data objects hic are aloed :0 have a corrlex internal strllcture. 3.4 odelin9 in Ccputer Aided resign Systems any different kinds of systems adopt the title of coputer ai6ed design. Some of these systems are pr':'marily graphic support systems which perfor geoetric functions and drive graphic hardware devices. ethers are priarily drafting sy5tes. Among those which clearly intersect our as the Norwegian ship design system AUTOKON are specialized to a praticlar a?plication. The neee for c e.t e base support in ciesign applications has eecome increasingly clear. In Septerr,ber c f 1 j i:, a v,' (0 r k s b cpo n "D a t a E a 5 e s for I n t era c t i v e Des i c n II was held a :he Cniversity of Katerloo ( III conference deonstrated both the reco?nition of 'Ihis this intesectcn as e i IT, P CI r tan t research crea and |
