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gen_ladder - tool to generate protocol ladder diagrams gen_ladder - tool to generate protocol ladder diagrams
(C) 2010 by Harald Welte <laforge@gnumonks.org> (C) 2010-2011 by Harald Welte <laforge@gnumonks.org>
This tool can be used to generate typical ladder diagrams as they are often This tool can be used to generate typical ladder diagrams as they are often
used in the description of networking protocols. used in the description of networking protocols.
The input file is a ".lad" file, from which gen_ladder.pl generates a graphviz The input file is a ".lad" file, from which gen_ladder.pl generates a PNG
file called ".dot", which in turn can be processed by the "dot" program to
generate a .ps (postscript) or .svg output file.
As an example, I have included a "test.lad" file, which you can process by As an example, I have included a "test.lad" file, which you can process by
calling calling
make test.ps make test.png
or
make test.svg
The manual intermediate steps can be seen from the Makefile.