Map
Background
You can change the type of background map by clicking on the tile layers icon 
on the upper right corner and choose amongst:
- Satellite Maps
- Street Maps
- Wikimedia Maps
- Dark Maps
The Satellite Maps layer is shown by default when opening the tool.
An example of selection of Street Maps is shown below:
Zoom
You can zoom in and out the map by clicking the + and – signs on the left column:
