This interface allows the user to generate a pie or a bar chart over some attributes. A data analysis that can be done with these charts is the comparison between two or more compatible attributes.
For example, using data from some districts, it is possible to make a comparison of the income distribution using the attributes that indicate the salary ranges based on the minimum salary.
LAYER EXPLORER → right click over a layer-name → PIE/BAR CHART.
Define the visual parameters of the chart.
Type: choose the chart type (bar or pie).
Size: choose the pie/bar size to be drawn on the map.
Contour Color: Sets the contour line color of the chart
Contour Width: Sets the contour line width of the chart.
A summary function can be chosen if the chart is being generated based on a linked dataset, otherwise this function is not visible
Define the properties used to generate the chart.
Choose the Attributes from the list of all attributes presented.
Click on the add
icon
to add the attribute with an automatic color associated.
Optionally, it is possible to change the color, by clicking over the Color and choose a new one.
Optionally, it is
possible to change the list of attributes selected, by clicking over
the Attribute name and click on the icon
to remove this attribute.
Press the OK button to generate the chart or the Cancel button to close the dialog.