Hmm, looks like Graphviz uses Tcl/Tk, and its open source so you can at least read the code, but the AT&T license seems to be GPLish in that the derived works have to be covered under the same license.
http://www.research.att.com/sw/tools/graphviz/
.hc
On Tuesday, Sep 16, 2003, at 06:12 America/New_York, Krzysztof Czaja wrote:
hi,
I would rather have splines...
graphviz uses splines, splines are nice, and segments are ugly
K-wants-splines
Larry Troxler wrote: ...
I think history has proved that clearly, most types of charts that connect boxes together are read more comfortably if the connections are composed of vertically and horizontally alligned segments.
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