Drawing

OBJECT CLASS Drawing
             isa* Cobject
  DESCRIPTION: "Schematic drawing associated with an annotation."
  ATTRIBUTE graphicsFile: [1,1] FSobject
  ATTRIBUTE annotation
            DERIVATION: ! schematic [ Annotation ]
            DESCRIPTION: "Related expmt"
  ATTRIBUTE changes: [0,1] VARCHAR(255)

This class is used by class Annotation to represent a schematic drawing associated with an annotation.