### Pie/Bar Chart

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. The salaries ranges varies from 2-5, 5-10,10-15,15-20, >20 as showed below.
It is accessible through:
Layer Explorer > Right Click over a Layer-name > Pie/Bar Chart...

1. 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.

2. Define the properties used to generate the chart.

- Choose the Attributes from the list of all attributes presented.
- Click on to add the attribute with an automatic color associated.
- Optionally, it is possible to change the color, by doing:

- click over the Color and choose a new one.

- Optionally, it is possible to change the list of attributes selected, by doing:

- Click over the Attribute name and click on (-) to remove this attribute.

3. Press OK to generate the chart or Cancel to close the dialog.