This representation can be used to display historical data sets: growth of sales over several years, evolution of a population, evolution of votes over a given period, etc.
A histogram is assigned to each surface and point on the working map. All the bars are of the same width, but their height is proportional to the values. Each bar has its own color.
Quantitative and numeric data for each sector.
At first the bar size is automatic. If the box Automatic size is not selected you can choose the height and the width of the maximum bar value (Its value is indicated in the box value) The unit is the same than the one for the map.
The table Columns matches classes and colors. The row table number equals to the number of data columns.
Pre-defined palettes can be chosen (Spring, Autumn, Grey, etc) but each class color can be changed by clicking on its color zone.
You can choose to see or not the caption on your map with the box show the caption
You can modify the titles for each caption (Pie and proportional) and the font.
At first the caption size is automatic. If the box Automatic size is un-selected you can choose the caption size.
Number precision allows to choose the number of numerals after and before the comma.
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