Title directive, the label corresponds to the graph title. Relationships, a label is drawn near the center of the edge. For entity names andĪttributes, a label is shown next to the name in square brackets. label A plain text string used to label the item.#3366ff or they may be written as their English For example, a titleĬannot have a background color (it will just be ignored by GraphViz).Ĭolors can be specified in hexadecimal notation prefixed with a #, e.g., Note that not all options are applicable on all items. To do so, but I'd prefer to keep it small and simple. I'm not entirely opposed to expanding this list if there's a compelling reason Title Įrd only exposes a subset of formatting options made available by GraphViz. Or 1, exactly 1, 0 or more and 1 or more).Įntities are declared inside. The er format allows one to describe a relational schema in terms of itsĮntities (tables), attributes (columns) and relationships between entities (0 The default content of the configuration file would be only shown when Options, so you can use one of the listed ones. The configuration file in commented sections do contain the supported formatting With a provided configuration file erd will use that instead of ~/.erd.yaml.įor instance: erd -c./myconfig.yaml -i. Inspect and/or redirect appropriately, e.g.: erd -c -i. In case the file ~/.erd.yaml does not existsĮrd will print the default content of this file to stdout which you can ~/.erd.yaml which is the path of the configuration file to store formatting Without a provided configuration file it will try to read the file Select a notation style for cardinalities of relations: ie, uml.Įrd may be invoked using the -c or -config argument
Select one of the edge patterns: dashed, dotted, solid. When set, output will consist of regular dot tables instead of HTML tables. Select one type of edge: compound, noedge, ortho, poly, spline. If given and if -fmt is omitted, then the format will be guessed from the file extension.įorce the output format to one of: bmp, dot, eps, gif, jpg, pdf, plain, png, ps, ps2, svg, tiff. When set, output will be written to the given file.
When set, input will be read from the given file.
#Tool for er diagrams in mac pdf
The PDF should now contain a graph that looks like this: Each entity in the relationship has exactly one of four # possible cardinalities: # Cardinality Syntax # 0 or 1 ? # exactly 1 1 # 0 or more * # 1 or more + `birth city ` 'birth state ' "birth country " # Each relationship must be between exactly two entities, which need not # be distinct. All attributes after the entity header # up until the end of the file (or the next entity declaration) correspond # to this entity.
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