# Joins (Maps example)

> WestCoast Charts 1.1.5, release, public Core release, on npm. HTML: https://westcoast-charts.com/gallery/maps/joins/ · Index for agents: https://westcoast-charts.com/llms.txt

Rows keyed by ISO-2, ISO-3 or English name all join to the same regions.

- Chart type: `map` (Map)
- Collection: Maps · Maps
- Raw configuration: https://westcoast-charts.com/gallery-src/maps/joins.js
- Standalone example: https://westcoast-charts.com/embed/samples/wcc/gallery/premium/maps/joins.html

## Setup

```js
import WestCoastCharts from 'west-coast-charts'
import types from 'west-coast-charts/types'
import premium from 'west-coast-charts/premium'
import 'west-coast-charts/maps/world' // registers the map shapes

WestCoastCharts.use(types).use(premium)
const WestCoastChartsPremium = premium
WestCoastCharts.setLicenseKey(LICENCE_KEY) // paid production licence; localhost evaluation needs no key
```

## Options

```js
const options = {
  chart: {
    height: 480,
    toolbar: {
      show: false
    },
    type: "map"
  },
  series: [
    {
      name: "Partners",
      data: [
        {
          id: "DE",
          value: 42
        },
        {
          id: "FRA",
          value: 30
        },
        {
          id: "Italy",
          value: 25
        },
        {
          id: "es",
          value: 21
        },
        {
          id: "NLD",
          value: 18
        },
        {
          id: "Poland",
          value: 15
        },
        {
          id: "SE",
          value: 12
        },
        {
          id: "usa",
          value: 55
        },
        {
          id: "Japan",
          value: 33
        },
        {
          id: "BR",
          value: 14
        }
      ]
    }
  ],
  plotOptions: {
    map: {}
  },
  theme: {
    mode: "light",
    preset: "coastal"
  }
}

const chart = new WestCoastCharts(document.querySelector('#chart'), options)
await chart.render()
```

## Verify

- Text check (Library 1.1.5): load `west-coast-charts/agent/describe` and call `chart.describe({ format: "json" })` for the actual drawn state. The live reader is on this example’s HTML page.
- Command line (Public agent tools 0.2.3, tested with Library 1.1.5; available from the versioned GitHub release and npm, https://westcoast-charts.com/docs/cli/index.md): `wcc chart export maps-joins.json --out maps-joins.svg --with-table` (save the options above as JSON first)