# Patterned bar (Bar example)

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

Stacked bars filled with line and dot patterns (print-friendly).

- Chart type: `bar` (Bar)
- Collection: Bar · Bar
- Raw configuration: https://westcoast-charts.com/gallery-src/bar/patterned-bar.js
- Standalone example: https://westcoast-charts.com/embed/samples/wcc/gallery/bar/patterned-bar.html

## Setup

```js
import WestCoastCharts from 'west-coast-charts'
```

## Options

```js
const options = {
  chart: {
    height: 380,
    fontFamily: "Inter, Geist, \"IBM Plex Sans\", system-ui, sans-serif",
    type: "bar",
    stacked: true,
    toolbar: {
      show: false
    }
  },
  series: [
    {
      name: "Solar",
      data: [39, 26, 24, 11, 32]
    },
    {
      name: "Wind",
      data: [24, 30, 16, 26, 11]
    },
    {
      name: "Hydro",
      data: [15, 20, 37, 11, 26]
    },
    {
      name: "Gas",
      data: [17, 13, 20, 17, 30]
    }
  ],
  xaxis: {
    categories: ["2022", "2023", "2024", "2025", "2026"]
  },
  fill: {
    type: "pattern",
    opacity: 1,
    pattern: {
      style: ["verticalLines", "squares", "horizontalLines", "circles"],
      strokeWidth: 1.5
    }
  },
  stroke: {
    width: 1,
    colors: ["#fff"]
  },
  plotOptions: {
    bar: {
      horizontal: true,
      barHeight: "60%"
    }
  },
  title: {
    text: "Generation mix (TWh)"
  },
  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 bar-patterned-bar.json --out bar-patterned-bar.svg --with-table` (save the options above as JSON first)