Dual axes, zero aligned
Two axes with different scales whose zero lines coincide (yaxis wcc.alignZero).
Open the chart without page chrome ↗
const options = {
chart: {
height: 380,
fontFamily: "Inter, Geist, \"IBM Plex Sans\", system-ui, sans-serif",
type: "line",
toolbar: {
show: false
}
},
series: [
{
name: "Cash k€",
type: "column",
data: [64, 42, 66, 59, 62, 79, 44, 31, 20, -5, -15, -1]
},
{
name: "Growth %",
type: "line",
data: [-0.5, -1.2, 0.2, 1.1, 2.4, 2.4, 1, 1.3, 1.8, 1.3, 1.5, 3.3]
}
],
stroke: {
width: [0, 3]
},
xaxis: {
categories: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"]
},
yaxis: [
{
title: {
text: "Cash k€"
},
wcc: {
alignZero: true
}
},
{
opposite: true,
title: {
text: "Growth %"
},
wcc: {
alignZero: true
}
}
],
title: {
text: "Cash and growth, shared zero line"
},
theme: {
mode: "light",
preset: "coastal"
}
}
const chart = new WestCoastCharts(document.querySelector('#chart'), options)
chart.render()import WestCoastCharts from 'west-coast-charts'
const options = {
chart: {
height: 380,
fontFamily: "Inter, Geist, \"IBM Plex Sans\", system-ui, sans-serif",
type: "line",
toolbar: {
show: false
}
},
series: [
{
name: "Cash k€",
type: "column",
data: [64, 42, 66, 59, 62, 79, 44, 31, 20, -5, -15, -1]
},
{
name: "Growth %",
type: "line",
data: [-0.5, -1.2, 0.2, 1.1, 2.4, 2.4, 1, 1.3, 1.8, 1.3, 1.5, 3.3]
}
],
stroke: {
width: [0, 3]
},
xaxis: {
categories: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"]
},
yaxis: [
{
title: {
text: "Cash k€"
},
wcc: {
alignZero: true
}
},
{
opposite: true,
title: {
text: "Growth %"
},
wcc: {
alignZero: true
}
}
],
title: {
text: "Cash and growth, shared zero line"
},
theme: {
mode: "light",
preset: "coastal"
}
}
const chart = new WestCoastCharts(document.querySelector('#chart'), options)
await chart.render() Waiting for the chart.
Open Data & agent view to read this chart through chart.describe().
Read from the running library through its optional agent/describe module. Text, table and JSON share the same snapshot. Demo data only.
$ wcc chart export mixed-multiple-yaxes-aligned-zero.json --out mixed-multiple-yaxes-aligned-zero.svg --with-table Public agent tools 0.2.3, tested with Library 1.1.5; available from the versioned GitHub release and npm. Save a JSON spec first and check the loaded runtime and supported modules before rendering. Command reference
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