What is a Google map overlay?

Overlays are objects on the map that are tied to latitude/longitude coordinates, so they move when you drag or zoom the map. For information on predefined overlay types, see Drawing on the map.

Can you overlay two Google Maps?

Go to first map and select “Add a New Layer” Go to the second map and in the top menu ( three dots) and choose Export to kml–>save the file to your computer. Go to first map, click into the new layer and choose Import–> import the kml file you previously saved. The two maps are combined.

How to create a custom overlay in Google Maps?

Set your custom overlay object’s prototype to a new instance of google.maps.OverlayView (). In effect, this will subclass the overlay class. Create a constructor for your custom overlay, and set any initialization parameters. Implement an onAdd () method within your prototype, and attach the overlay to the map.

What can you do with a Map Maker overlay?

This extension will show a circle overlaid over the map which you can use to trace when mapping circles such as roundabouts. You have various options you can change to customize the overlay to your liking. You have the option of overlaying any image and sizing and rotating so it fits where you want it.

What do overlays do on a map in JavaScript?

Overlays are objects on the map that are tied to latitude/longitude coordinates, so they move when you drag or zoom the map. For information on predefined overlay types, see Drawing on the map. The Maps JavaScript API provides an OverlayView class for creating your own custom overlays.

How to create a custom overlay in Java?

The OverlayView is a base class that provides several methods you must implement when creating your overlays. The class also provides a few methods that make it possible to translate between screen coordinates and locations on the map. Here is a summary of the steps required to create a custom overlay: