<> <<>> DIRECTORY Rope, IO, Graphs, GraphOps, AlgebraClasses, Points, Variables, Formulas, QETypes, QEIO, Cads; CadsImpl: CEDAR PROGRAM <> EXPORTS Cads ~ BEGIN OPEN AC: AlgebraClasses, PTS: Points, QET: QETypes, Cads; <> ExtractClusters: PUBLIC PROC [cad: QET.Cad, numComponents: CARDINAL] RETURNS [clusters: QET.SignedRegionSeq] ~ {}; END.