Mapping Glossary

The options available to you will depend on the type of map you are creating. 

Range Calculation Methods

  • Natural Breaks: Natural breaks is a data classification method that identifies the natural groupings inherent in the data. A natural break is identified by the “peaks” and “valleys” found in the data when formatted as a histogram. Use this method if your data is unevenly distributed.
  • Quantiles: Quantiles are a method of data classification that divides the data into equal portions based on the distribution of the data. A quantile classification is well suited to linearly distributed data. 
  • Equal Interval: Equal interval is a method of data classification that divides the range of the data into equal intervals of data instances. Equal interval is best applied to familiar data ranges, such as percentages and temperature. 
  • Standard Deviation: Standard deviation is a statistical measure that indicates the amount of variation or dispersion in the data and is used to divide the data into classes based on how much they deviate from the mean value.

See What are the Mapping Classification Methods? opens in new window for more information on the above methods.


You can adjust the number of classes for the thematic map.

Colour Ramp

You can change the automatically applied range of colours used in the thematic map.


If you would prefer to set your own colours, you can manually adjust the HEX code. You can pick based on the colour itself or copy and past a HEX code into the box. RGB and CMYK colours can be converted to HEX codes using tools available on the web. Please see Changing the Primary Colour and Logo opens in new window for more information. 

Font Family

Additional font types for map labels.


You can adjust the colour and width of the outline of each geography in the thematic map colour can be changed using a HEX code.


This allows you to add an additional layer of geography to your map, providing more context to your audience.

  • In the Level list, choose the level of geography to add as an overlay.
  • In the Colour box, adjust the colour as necessary. Again, this is a HEX code.
  • In the Width box, adjust the thickness of the border.

Overlay Label

This allows you to turn the labels on for your chosen Overlay layer.

  • In the Colour box, adjust as necessary (using the HEX code).
  • In the Font Size box, enter a size for the label font.
  • In the Halo box, adjust the colour of the halo effect. This puts a small outline around the text to better stand out on a busy background.
  • In the Halo Size box, adjust the thickness of the halo effect.


Use the slider to adjust the opacity of the thematic map in order to make it more or less opaque.