Map layers
Map layers were introduced in Tableau 2020.4 and make it easy to bring together a wide range of geospatial data from your data source(s) into a single map. Consider for example the Real Estate with Custom Territories data source we used in the previous example. It contains numerous geographic data, including:
- City
- State
- Zip code
- Region (created as a field-defined custom territory in the previous example)
- Latitude and longitude (of the individual houses for sale)
Let’s say we want to create a map that brings much of this together, showing the individual houses as circles sized by price, along with an indication of the zip codes and the custom regions we defined previously with a label indicating the average price for the region.
The main key to leveraging layers is to make certain that Tableau’s special Longitude (generated) and Latitude (generated) are the fields used on Columns and Rows. Any geographic fields...
