Instruction
Step 1. Open or create a new ad hoc view (refer to the Creating Ad Hoc Views article for further information) Step 2. Click on the Select Visualisation Type icon in the top menu![Visualisation Type Icon](https://support.communitybi.com.au/wp-content/uploads/2020/03/BI75_VTI.jpg)
![](https://support.communitybi.com.au/wp-content/uploads/2020/03/BI75_VisType.jpg)
- Heat Map
- Time Series Heat Map
- Dual-Measure Tree Map
- Tree Map
- Parent Tree Map
![](https://support.communitybi.com.au/wp-content/uploads/2020/04/BI75_DualMeasureTreeMap.jpg)
![Add Measures](https://support.communitybi.com.au/wp-content/uploads/2018/02/measures-2.png)
Tip: All charts must have at least one measure. Dual-Measure Tree map charts require 2 measures in the columns area and one field in the rows area.Step 6. Click and Drag a field to the columns area e.g. Primary Address City.
![Fields and Measures](https://support.communitybi.com.au/wp-content/uploads/2018/02/fieldmeas.png)
![Dual Measure Tree Map](https://support.communitybi.com.au/wp-content/uploads/2018/02/dualmeasure.png)