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README for Dual --------------- Dual is a simple application to demonstrate the concept of duality as used in computational geometry (and arrangements). Dual shows the primal and dual planes for the mapping (a,b) <=> y=ax-b; it allows you enter (and delete) points and lines in either plane to construct an arbitrarily complex arrangement. Points and lines may be colored and labeled, and changed dynamically. Ross Cutler rgc@cs.umd.edu
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.