amcharts.getCategoryName(rawData: Object): String
Returns the name of a field that represents a category in the data for the chart.
The category is chosen as follows:
slice.rows
is chosen as the category.slice.rows
array is empty and the slice.columns array contains some fields, the first field from slice.columns
is chosen as the category.slice.rows
and slice.columns
arrays are empty, then no category is available.Parameter/Type | Description |
---|---|
rawData Object | Raw data that contains the category. Check out the structure of rawData. |
A string with a category name or null
when no category is available.
1) Setting the categoryField
for the pie series:
am5percent.PieSeries.new(root, {
categoryField: pivot.amcharts.getCategoryName(rawData),
// ...
})
2) Setting the categoryField
for the category axis in a radar chart:
let xAxis = chart.xAxes.push(am5xy.CategoryAxis.new(root, { categoryField: pivot.amcharts.getCategoryName(rawData), renderer: xRenderer }));
Setting the name for the amCharts 4 category axis:
let categoryAxis = chart.xAxes.push(new am4charts.CategoryAxis());
categoryAxis.dataFields.category = pivot.amcharts.getCategoryName(rawData);