charts_highcharts_drilldown
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This module creates a Views style plugin that extends the Charts module's style plugin to enable the Highcharts drilldown feature.
Post-Installation
When enabled, the module will add a new style plugin (Chart highcharts drilldown) inside the site Views.
The style option form come with four more fields to set up your drilldown chart.
- Series Field: This is the parent series and the data is aggregated at this level first.
- Drilldown Field: This field provide the drilldown series when you click down the chart.
- Data Field: The data field is the values field.
- Operator Field: Here you can choose either to sum or average the data.