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Diffstat (limited to 'graphics/tcm/DESCR')
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diff --git a/graphics/tcm/DESCR b/graphics/tcm/DESCR new file mode 100644 index 00000000000..6ca7b4e79dd --- /dev/null +++ b/graphics/tcm/DESCR @@ -0,0 +1,22 @@ +TCM is a collection of graphical editors for different software +specification methods. It contains generic editors (for generic +diagrams, tables and trees), editors for Structured Analysis +(entity-relationship diagrams, data and event flow diagrams, +state-transition diagrams, function refinement trees etc.) and editors +for UML (static-structure diagrams, use-case diagrams, activity +diagrams etc.). + +TCM supports constraint checking for single documents (e.g. name +duplication and cycles in is-a relationships). TCM distinguishes +built-in constraints (of which a violation cannot even be attempted) +from immediate constraints (of which an attempted violation is +immediately prevented) and soft constraints (against which the editor +provides a warning when it checks the drawing). TCM is planned to +support hierarchic graphs, so that it can handle, for example, +hierarchic statecharts. Features to be added later include constraint +checking across documents and executable models. + +In addition to the TCM file format, TCM outputs Plain PostScript, +Encapsulated PostScript, PNG and the XFig file format. The TCM file +format is simple to read and parse so other forms of output can be +generated easily. |