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Software support for graphical interaction has been discussed in this paper. Existing supporitn, cluding the GSPC Core proposal for graphical interaction, has been examined and a list of requirements for high-level support given. The architecture of a prototype system for supporting graphical interaction has been described. This support could be built on top of a device-independent interface, such as the GSPC Core proposal. Algorithms have been presented for identifying the item that a user has selected from the screen. Finally we have shown how the inclusion of a database management system as a part of graphical software support can help meet the requirements of interactive graphics application programs.
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