作者: Steven R. Johnson , R. Von Ehr Ii James , Samantha Seals-Mason , Kevin F. Crowder
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摘要: A system and method in which derived graphic elements are generated automatically upon changes made to the defining or generation parameters. user need only modify element(s) will eliminate any originally substitute therefor newly created elements. The is arranged inhibit of until all associated with have been made. regeneration performed once even if multiple modified.