rect method
Adds a rect mark to the chart.
A rectangle over two ranges: the heatmap.
Returns The new mark, so its channels and properties chain.
Implementation
VlChartMark rect() {
return this.mark("rect");
}Adds a rect mark to the chart.
A rectangle over two ranges: the heatmap.
Returns The new mark, so its channels and properties chain.
VlChartMark rect() {
return this.mark("rect");
}