Multi-Line Chart

line Monthly Captures by Fleet
series Blackbeard(red), Roberts(blue), Vane(green)
x-label Month
//y-label Captures

era Jan -> Mar Atlantic Season
era Mar -> Jun Caribbean Season (teal)

Jan: 3, 5, 2
Feb: 4, 3, 4
Mar: 2, 7, 3
Apr: 6, 4, 1
May: 5, 6, 5
Jun: 3, 8, 2

Syntax

line Chart Title
series Series1(color), Series2(color), Series3(color)
x-label X Axis Label

Label: value1, value2, value3

Metadata Keys

Key Description Required
chart Must be line (or multi-line as an alias) Yes
title Chart title displayed above the chart No
series Comma-separated series names with optional colors in parentheses Yes
x-label Label for the X axis No
y-label Label for the Y axis No

Data Format

Each data line provides comma-separated values matching the series order:

Jan: 3, 5, 2
Feb: 4, 3, 4

The number of values per line must match the number of series names.

Era Bands

Annotate named time periods with a shaded background band and label:

line Monthly Captures by Fleet
series Blackbeard(red), Roberts(blue)
x-label Month

era Jan -> Mar Q1 (green)
era Apr -> Jun Q2 (orange)

Jan: 3, 5
Feb: 4, 3
Mar: 2, 7
Apr: 6, 4
May: 5, 6
Jun: 3, 8

Era syntax: era <start> -> <end> Label (color)

  • start and end must exactly match data point labels
  • Color is optional; omit for the palette default
  • Era bands render on the first series only

Series Colors

Colors can be specified in parentheses after each series name using named colors:

series Gold(yellow), Silver(gray), Bronze(orange)
series Fleet A(red), Fleet B(blue)