Live needle
The needle follows a live value; no overshoot on updates.
Open the chart without page chrome ↗
const options = {
chart: {
height: 340,
fontFamily: "Inter, Geist, \"IBM Plex Sans\", system-ui, sans-serif",
type: "gauge",
toolbar: {
show: false
}
},
series: [52],
labels: ["Requests/s (k)"],
plotOptions: {
radialBar: {
shape: "needle",
min: 0,
max: 120,
startAngle: -120,
endAngle: 120,
ticks: {
show: true,
major: {
count: 7
},
minor: {
count: 3
}
},
needle: {
showValueArc: true
},
dataLabels: {
name: {
show: true
}
}
}
},
theme: {
mode: "light",
preset: "coastal"
}
}
const chart = new WestCoastCharts(document.querySelector('#chart'), options)
chart.render()import WestCoastCharts from 'west-coast-charts'
import types from 'west-coast-charts/types'
WestCoastCharts.use(types)
const options = {
chart: {
height: 340,
fontFamily: "Inter, Geist, \"IBM Plex Sans\", system-ui, sans-serif",
type: "gauge",
toolbar: {
show: false
}
},
series: [52],
labels: ["Requests/s (k)"],
plotOptions: {
radialBar: {
shape: "needle",
min: 0,
max: 120,
startAngle: -120,
endAngle: 120,
ticks: {
show: true,
major: {
count: 7
},
minor: {
count: 3
}
},
needle: {
showValueArc: true
},
dataLabels: {
name: {
show: true
}
}
}
},
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 gauge-live-needle-gauge.json --out gauge-live-needle-gauge.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
Loading /gallery/gauge/live-needle-gauge/index.md …