# bubble-chart

## Bubble Chart

{% embed url="<https://stackblitz.com/edit/swimlane-bubble-chart?embed=1&file=app/app.component.ts>" %}

## Inputs

| Property            | Type               | Default Value | Description                                                                                                      |
| ------------------- | ------------------ | ------------- | ---------------------------------------------------------------------------------------------------------------- |
| view                | number\[]          |               | the dimensions of the chart \[width, height]. If left undefined, the chart will fit to the parent container size |
| results             | object\[]          |               | the chart data                                                                                                   |
| scheme              | object             |               | the color scheme of the chart                                                                                    |
| schemeType          | string             | 'ordinal'     | the color scale type. Can be either 'ordinal' or 'linear'                                                        |
| customColors        | function or object |               | custom colors for the chart. Used to override a color for a specific value                                       |
| animations          | boolean            | true          | enable animations                                                                                                |
| legend              | boolean            | false         | show or hide the legend                                                                                          |
| legendTitle         | string             | 'Legend'      | the legend title                                                                                                 |
| legendPosition      | string             | 'right'       | the legend position \['right', 'below']                                                                          |
| xAxis               | boolean            | false         | show or hide the x axis                                                                                          |
| yAxis               | boolean            | false         | show or hide the y axis                                                                                          |
| showGridLines       | boolean            | true          | show or hide the grid lines                                                                                      |
| roundDomains        | boolean            | false         | round domains for aligned gridlines                                                                              |
| showXAxisLabel      | boolean            | false         | show or hide the x axis label                                                                                    |
| showYAxisLabel      | boolean            | false         | show or hide the y axis label                                                                                    |
| xAxisLabel          | string             |               | the x axis label text                                                                                            |
| yAxisLabel          | string             |               | the y axis label text                                                                                            |
| rotateXAxisTicks    | boolean            | true          | enable automic rotation of x-axis ticks to prevent overlaps                                                      |
| xAxisTickFormatting | function           |               | the x axis tick formatting                                                                                       |
| yAxisTickFormatting | function           |               | the y axis tick formatting                                                                                       |
| xAxisTicks          | any\[]             |               | predefined list of x axis tick values                                                                            |
| yAxisTicks          | any\[]             |               | predefined list of y axis tick values                                                                            |
| activeEntries       | object\[]          | \[]           | elements to highlight                                                                                            |
| minRadius           | number             | 3             | minimum bubble radius in px                                                                                      |
| maxRadius           | number             | 10            | maximum bubble radius in px                                                                                      |
| tooltipDisabled     | boolean            | false         | show or hide the tooltip                                                                                         |
| tooltipTemplate     | TemplateRef        |               | a custom ng-template to be displayed inside the tooltip                                                          |
| xScaleMin           | any                |               | the minimum value of the x axis (if the x scale is linear or time)                                               |
| xScaleMax           | any                |               | the maximum value of the x axis (if the x scale is linear or time)                                               |
| yScaleMin           | any                |               | the minimum value of the y axis (if the y scale is linear or time)                                               |
| yScaleMax           | any                |               | the maximum value of the y axis (if the y scale is linear or time)                                               |
| wrapTicks           | boolean            | false         | axis tick labels will wrap based on available space                                                              |

## Outputs

| Property   | Description                              |
| ---------- | ---------------------------------------- |
| select     | click event                              |
| activate   | element activation event (mouse enter)   |
| deactivate | element deactivation event (mouse leave) |

## Data Format

### Regular bubble charts

The data format is multi series:

```
[
  {
    "name": "Germany",
    "series": [
      {
        "name": "2010",
        "x": 40632,
        "y": 80.3,
        "r": 80.4
      },
      {
        "name": "2000",
        "x": 36953,
        "y": 80.3,
        "r": 78
      },
      {
        "name": "1990",
        "x": 31476,
        "y": 75.4,
        "r": 79
      }
    ]
  },
  {
    "name": "USA",
    "series": [
      {
        "name": "2010",
        "x": 49737,
        "y": 78.8,
        "r": 310
      },
      {
        "name": "2000",
        "x": 45986,
        "y": 76.9,
        "r": 283
      },
      {
        "name": "1990",
        "x": 3706,
        "y": 75.4,
        "r": 253
      }
    ]
  },
  {
    "name": "France",
    "series": [
      {
        "name": "2010",
        "x": 36745,
        "y": 81.4,
        "r": 63
      },
      {
        "name": "2000",
        "x": 34774,
        "y": 79.1,
        "r": 59.4
      },
      {
        "name": "1990",
        "x": 29476,
        "y": 77.2,
        "r": 56.9
      }
    ]
  },
  {
    "name": "United Kingdom",
    "series": [
      {
        "name": "2010",
        "x": 36240,
        "y": 80.2,
        "r": 62.7
      },
      {
        "name": "2000",
        "x": 32543,
        "y": 77.8,
        "r": 58.9
      },
      {
        "name": "1990",
        "x": 26424,
        "y": 75.7,
        "r": 57.1
      }
    ]
  }
]
```


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