Mermaid: markdown for diagrams

[Joseph Reagle]

Over the years I know there's been some discussion of diagrams in
markdown and for those that like haskell, there is a filter for EDSL
diagrams [1]. I recently came across a markdown like diagramming spec
that looks to be gaining momentum: mermaid [2].

```
graph TD;
A-->B;
A-->C;
B-->D;
C-->D;
```

[1]: https://github.com/diagrams/diagrams-pandoc
[2]: https://github.com/knsv/mermaid

[Ivan Lazar Miljenovic]

Looks like an overly simplified dynamically rendered version of Dot code...

Post by Joseph Reagle
Over the years I know there's been some discussion of diagrams in
markdown and for those that like haskell, there is a filter for EDSL
diagrams [1]. I recently came across a markdown like diagramming spec
that looks to be gaining momentum: mermaid [2].
```
graph TD;
A-->B;
A-->C;
B-->D;
C-->D;
```
[1]: https://github.com/diagrams/diagrams-pandoc
[2]: https://github.com/knsv/mermaid
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Ivan Lazar Miljenovic
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[John MacFarlane]

This looks similar to dot, maybe a little easier. Filters
are a great way to integrate this kind of declarative
diagram into your markdown. You could create a filter for
mermaid.

Some examples:
https://github.com/jgm/pandocfilters/blob/master/examples/graphviz.py
https://github.com/jgm/pandocfilters/blob/master/examples/tikz.py
https://github.com/claudio-mattera/pandoc-tikz

Post by Joseph Reagle
Over the years I know there's been some discussion of diagrams in
markdown and for those that like haskell, there is a filter for EDSL
diagrams [1]. I recently came across a markdown like diagramming spec
that looks to be gaining momentum: mermaid [2].
```
graph TD;
A-->B;
A-->C;
B-->D;
C-->D;
```
[1]: https://github.com/diagrams/diagrams-pandoc
[2]: https://github.com/knsv/mermaid
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To view this discussion on the web visit https://groups.google.com/d/msgid/pandoc-discuss/552CEE5A.7060103%40reagle.org.
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[Daniel Bergey]

Mermaid looks cool. Some of that can be done with dot / graphviz, but I
haven't seen another text tool for Gantt charts or the network protocol
diagrams.

Thanks also for the diagrams-pandoc link. I hope to make a first release
of that soon, along with better docs. I note that Diagrams is mostly
lower-level, a way to make vector graphics in general, rather than
particular classes of conventional diagrams.

cheers,
bergey

Post by Joseph Reagle
Over the years I know there's been some discussion of diagrams in
markdown and for those that like haskell, there is a filter for EDSL
diagrams [1]. I recently came across a markdown like diagramming spec
that looks to be gaining momentum: mermaid [2].
```
graph TD;
A-->B;
A-->C;
B-->D;
C-->D;
```
[1]: https://github.com/diagrams/diagrams-pandoc
[2]: https://github.com/knsv/mermaid
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To view this discussion on the web visit https://groups.google.com/d/msgid/pandoc-discuss/552CEE5A.7060103%40reagle.org.
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