ChartDataLabel.left_mode property. Gets or sets the interpretation mode of the [ChartDataLabel.left](../left/) property value: whether it sets the location of the data label from the left edge of the chart of from the position specified by its [ChartDataLabel.position](../position/) property....title_area_height ) / 2 doughnut_center_x = chart_width / 2 label_height...points start at the top, the X coordinates used in the Left and...