- When using colours to portray data values or types, ensure that the colors used are accessible to all users. Online tools such as ColorBrewer (www.colorbrewer.org) can help identify issues with colours used.
- Area charts can be created in a range of standard data applications such as Excel.
- A Treemap is a visualisation of hierarchical structure. You can upload data to online tools such as Many Eyes to create interactive Treemaps. However, we are not aware of any standard desktop tools that can be used to create Treemaps (please email if you know of anything!).