Triple semantics: load, price and change
How to read: bar length = load per hour · colour = price against the daily average (diverging at 0) · signed mini bars on the rim = change vs yesterday (outward = more, inward = less) · inside = energy source mix.
Triple semantics
Open the chart without page chrome ↗Drawing width at least 760 px. Scroll within the chart on smaller screens.
const options = {
"chart": {
"type": "radialColumn",
"height": 520,
"toolbar": {
"show": false
}
},
"series": [
{
"name": "Load (kWh)",
"data": [
{
"x": "00:00",
"y": 24,
"meta": {
"price": -6,
"dy": 9
}
},
{
"x": "01:00",
"y": 26,
"meta": {
"price": -1,
"dy": 15
}
},
{
"x": "02:00",
"y": 26,
"meta": {
"price": 0,
"dy": 20
}
},
{
"x": "03:00",
"y": 23,
"meta": {
"price": -3,
"dy": 22
}
},
{
"x": "04:00",
"y": 22,
"meta": {
"price": -9,
"dy": 21
}
},
{
"x": "05:00",
"y": 21,
"meta": {
"price": -12,
"dy": 17
}
},
{
"x": "06:00",
"y": 28,
"meta": {
"price": -3,
"dy": 11
}
},
{
"x": "07:00",
"y": 35,
"meta": {
"price": 2,
"dy": 3
}
},
{
"x": "08:00",
"y": 45,
"meta": {
"price": 7,
"dy": -5
}
},
{
"x": "09:00",
"y": 52,
"meta": {
"price": 8,
"dy": -12
}
},
{
"x": "10:00",
"y": 54,
"meta": {
"price": 4,
"dy": -18
}
},
{
"x": "11:00",
"y": 48,
"meta": {
"price": -1,
"dy": -21
}
},
{
"x": "12:00",
"y": 41,
"meta": {
"price": -4,
"dy": -22
}
},
{
"x": "13:00",
"y": 38,
"meta": {
"price": -3,
"dy": -19
}
},
{
"x": "14:00",
"y": 37,
"meta": {
"price": 2,
"dy": -14
}
},
{
"x": "15:00",
"y": 37,
"meta": {
"price": 7,
"dy": -7
}
},
{
"x": "16:00",
"y": 34,
"meta": {
"price": 8,
"dy": 1
}
},
{
"x": "17:00",
"y": 28,
"meta": {
"price": 11,
"dy": 9
}
},
{
"x": "18:00",
"y": 27,
"meta": {
"price": 6,
"dy": 16
}
},
{
"x": "19:00",
"y": 25,
"meta": {
"price": 3,
"dy": 20
}
},
{
"x": "20:00",
"y": 23,
"meta": {
"price": 4,
"dy": 22
}
},
{
"x": "21:00",
"y": 21,
"meta": {
"price": 2,
"dy": 21
}
},
{
"x": "22:00",
"y": 22,
"meta": {
"price": 7,
"dy": 17
}
},
{
"x": "23:00",
"y": 24,
"meta": {
"price": 8,
"dy": 11
}
}
]
}
],
"plotOptions": {
"radialColumn": {
"innerRadius": 0.58,
"encode": {
"angle": "Hour",
"color": {
"field": "price",
"name": "Price vs avg",
"unit": "ct",
"scale": "diverging"
},
"delta": {
"field": "dy",
"name": "vs yesterday",
"unit": "%",
"style": "bars"
},
"guide": true
},
"layers": [
{
"type": "donut",
"name": "Source",
"labels": [
"Solar",
"Grid",
"Battery"
],
"data": [
38,
45,
17
]
}
]
}
}
}
const chart = new WestCoastCharts(document.querySelector('#chart'), options)
chart.render()import WestCoastCharts from 'west-coast-charts'
import premium from 'west-coast-charts/premium'
WestCoastCharts.use(premium)
const WestCoastChartsPremium = premium
WestCoastCharts.setLicenseKey(LICENCE_KEY) // paid production licence; localhost evaluation needs no key
const options = {
"chart": {
"type": "radialColumn",
"height": 520,
"toolbar": {
"show": false
}
},
"series": [
{
"name": "Load (kWh)",
"data": [
{
"x": "00:00",
"y": 24,
"meta": {
"price": -6,
"dy": 9
}
},
{
"x": "01:00",
"y": 26,
"meta": {
"price": -1,
"dy": 15
}
},
{
"x": "02:00",
"y": 26,
"meta": {
"price": 0,
"dy": 20
}
},
{
"x": "03:00",
"y": 23,
"meta": {
"price": -3,
"dy": 22
}
},
{
"x": "04:00",
"y": 22,
"meta": {
"price": -9,
"dy": 21
}
},
{
"x": "05:00",
"y": 21,
"meta": {
"price": -12,
"dy": 17
}
},
{
"x": "06:00",
"y": 28,
"meta": {
"price": -3,
"dy": 11
}
},
{
"x": "07:00",
"y": 35,
"meta": {
"price": 2,
"dy": 3
}
},
{
"x": "08:00",
"y": 45,
"meta": {
"price": 7,
"dy": -5
}
},
{
"x": "09:00",
"y": 52,
"meta": {
"price": 8,
"dy": -12
}
},
{
"x": "10:00",
"y": 54,
"meta": {
"price": 4,
"dy": -18
}
},
{
"x": "11:00",
"y": 48,
"meta": {
"price": -1,
"dy": -21
}
},
{
"x": "12:00",
"y": 41,
"meta": {
"price": -4,
"dy": -22
}
},
{
"x": "13:00",
"y": 38,
"meta": {
"price": -3,
"dy": -19
}
},
{
"x": "14:00",
"y": 37,
"meta": {
"price": 2,
"dy": -14
}
},
{
"x": "15:00",
"y": 37,
"meta": {
"price": 7,
"dy": -7
}
},
{
"x": "16:00",
"y": 34,
"meta": {
"price": 8,
"dy": 1
}
},
{
"x": "17:00",
"y": 28,
"meta": {
"price": 11,
"dy": 9
}
},
{
"x": "18:00",
"y": 27,
"meta": {
"price": 6,
"dy": 16
}
},
{
"x": "19:00",
"y": 25,
"meta": {
"price": 3,
"dy": 20
}
},
{
"x": "20:00",
"y": 23,
"meta": {
"price": 4,
"dy": 22
}
},
{
"x": "21:00",
"y": 21,
"meta": {
"price": 2,
"dy": 21
}
},
{
"x": "22:00",
"y": 22,
"meta": {
"price": 7,
"dy": 17
}
},
{
"x": "23:00",
"y": 24,
"meta": {
"price": 8,
"dy": 11
}
}
]
}
],
"plotOptions": {
"radialColumn": {
"innerRadius": 0.58,
"encode": {
"angle": "Hour",
"color": {
"field": "price",
"name": "Price vs avg",
"unit": "ct",
"scale": "diverging"
},
"delta": {
"field": "dy",
"name": "vs yesterday",
"unit": "%",
"style": "bars"
},
"guide": true
},
"layers": [
{
"type": "donut",
"name": "Source",
"labels": [
"Solar",
"Grid",
"Battery"
],
"data": [
38,
45,
17
]
}
]
}
}
}
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 radial-column-triple-energy.json --out radial-column-triple-energy.svg --with-tablePublic 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/radial-column/triple-energy/index.md …This example uses Premium modules. Compare licences · Embedding in a distributed product?