Comments for Regular Expression Graphing Program

28 Dec 2004 21:40 billposer

Nice tool, but I have some suggestions

This is a very nice teaching tool and produces surprisingly
readable diagrams. It would be really nice if the print function worked properly. One suggestion is to produce the real FSA for the + operator. Right now it treats this like * with a different annotation. Second, I suggest allowing the user to change the size of the elements in the diagram so that things don't get too cluttered. Third, I suggest starting up with a smaller window. I at least don't like having my whole screen taken up with one program.
Finally, since there is a free tool for drawing diagrams of exactly the right sort, namely the dot program from the
graphviz (http://www.graphviz.org/) package,
it might be a nice feature to generate a description of the FSA that can be passed as input to dot and let dot do the layout.

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