Diagram Editing with Hypergraph Parser Support

  • Authors:
  • Mark Minas

  • Affiliations:
  • -

  • Venue:
  • VL '97 Proceedings of the 1997 IEEE Symposium on Visual Languages (VL '97)
  • Year:
  • 1997

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Abstract

Diagrams are always used when communicating complex situations. Diagram editors support the user when editing diagrams on a computer. However, creating diagram editors is expensive and time-consuming. Frameworks that can be customized for the specific diagram classes considerably reduce these costs. In previous work, the framework DiaGen using an internal hypergraph model and offering syntax-directed editing had been introduced. This paper presents an incremental hypergraph parser and an extension of DiaGen that allows for editing diagrams like in a drawing tool. The hypergraph parser detects correct (sub-) diagrams online and notifies the user of incorrect diagram parts. This allows editing with temporally inconsistent diagrams which supports a natural editing style.