For AI agents: the complete documentation index is available at https://lazygophers.github.io/pamphlet/en/llms.txt, the full documentation bundle is available at https://lazygophers.github.io/pamphlet/en/llms-full.txt, and this page is available as Markdown at https://lazygophers.github.io/pamphlet/en/write/diagrams/mermaid/pie.md.

Pie charts (Mermaid fence)

What it is

The same diagram as Pie charts; only how you write it differs. This page uses a ```mermaid fence and writes Mermaid source directly.

When to use it

  • The source goes to GitHub and you want the diagram to render there — Pamphlet's own syntax shows up as plain text on GitHub
  • You already know Mermaid and would rather not learn a second thing
  • You need something the own syntax cannot express (the Traps section below says what)

Otherwise use the own syntax: the field names are fixed, and a mistake is reported on the line it is on.

How to write it

```mermaid
pie title Output size
  "diagram SVG" : 48
  "styles" : 17
  "body HTML" : 12
  "runtime" : 9
```

What comes out

Drawn to SVG at compile time and inlined into the output, so the reader downloads no drawing library and makes no network request. Colours follow the theme; scroll to zoom, drag to pan, double-click to reset.

Traps

  • Quote the labels, or one containing a space breaks apart
  • Slice colours follow the theme, but cycle through only four — beyond four slices, neighbours may share a colour, separated by the stroke
  • Nobody reads proportions past six slices; use a table