Bivariate

The Bivariate theme applies style settings by matching the result of two expressions against a lookup table of values. These can be individual values or ranges.

Click Home > Add Theme > Style and select Bivariate.

Click Next to set X and Y axis expressions.

  • Select the X axis in the top left panel
  • Select the Fill Axis button and choose either Ranges or Individual Values from the dropdown list.

  • Note: Numeric data needs to be split in to ranges such as 1 to 100, 100 to 200 etc while nominal data such as crime types are better served as individual values.

  • The Property/Expression dialog opens. Select a property to be used for the range (IncidentCount in this example)

  • The Property/Expression dialog opens. Select a property to be used for the range (IncidentCount in this example) and click Next.

  • You are taken to the Ranges dialog.

  • Use these options to customise your data ranges.

  • You can set the Number of Ranges, choose a division method and even roundoff the data to the nearest unit of 10, 100, 1000 and so on.

  • Click Finish.

  • Select the Y axis in the top left panel

  • Select the Fill Axis button and choose either Ranges or Individual Values from the dropdown list.
  • Follow steps as above and click Finish.

  • You can individually select pen and brush colours in the Configuration group.,

  • Else simply choose pre-defined colour sets from the Colours group.



  • Click the Legend button to open the options.
  • Here you can customize the appearance of your legend including font sizes, colours and more.
  • Click OK when you are done.

  • Click Finish on the Bivariate dialog.

Here is an example of an applied Bivariate theme.