mscgen

Generates message sequence chart images from text descriptions

brewmacoslinux

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Parses Message Sequence Chart descriptions and produces images

mscgen

Generate PNG image from MSC file$ mscgen -T png -o output.png input.msc

Create SVG output from message sequence chart$ mscgen -T svg -o diagram.svg chart.msc

Generate PDF from MSC description$ mscgen -T pdf -o sequence.pdf messages.msc