Pie class derived class for Chart to implement pies. More...
Private Functions | |
| |
private | _draw_data |
finally get around to plotting the data | |
private | _draw_right_legend |
Overwrite the legend methods to get the right legend. | |
private | _draw_left_legend |
put the legend on the left of the chart | |
private | _draw_bottom_legend |
put the legend on the bottom of the chart | |
private | _draw_top_legend |
put the legend on top of the chart | |
private | _draw_x_ticks |
Override the ticks methods for the pie charts. | |
private | _draw_y_ticks |
Override the ticks methods for the pie charts. | |
private | _find_y_scale |
Override the find_y_scale methods for the pie charts. |
Pie class derived class for Chart to implement pies.
private Chart::Pie::_draw_data |
finally get around to plotting the data
The user may define the kind of labelling the data by setting
'label_values' to 'percent' if she wants to have the percentages
'label_values' to 'values' if she wants to have the absolut values
'label_values' to 'both' if she wants to have absolut values and percentages
'label_values' to 'none' if she wants to have neither absolute values nor percentages
'ring' to a number less then 1 to define a ring as output; if 'ring' is 1 ore greater a full pie is plotted
private Chart::Pie::_draw_x_ticks |
Override the ticks methods for the pie charts.
Here: do nothing
private Chart::Pie::_draw_y_ticks |
Override the ticks methods for the pie charts.
private Chart::Pie::_find_y_scale |
Override the find_y_scale methods for the pie charts.
Here: do nothing