n South African Computer Journal - An incremental construction algorithm for Venn diagrams




The drawing of Venn diagrams have traditionally served as an aid to analyze the characteristics exhibited by the diagram and its underlying Venn graph. Little attention has hitherto been given to the presentation, construction and way in which a Venn diagram conveys information. We present a new algorithm for the construction and layout of a Venn diagram based on an incremental technique. the algorithm constructs the Venn diagram by incrementally deriving new intersections from previously placed ones on a grid. We also propose criteria which can be applied to analyze a Venn diagram's drawing and layout. Our algorithm aims to generate an aesthetically pleasing layout by satisfying the proposed criteria.


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