How do you make an overlay for Google Maps?

How do you make an overlay for Google Maps?

Draw a line or shape

1. On your computer, sign in to My Maps.
2. Open or create a map.
3. Click Draw a line.
4. Select a layer and click where to start drawing.
5. Click each corner or bend of your line or shape.
6. When you’re finished drawing, double-click or complete the shape.
7. Give your line or shape a name.

Can I mark an area on Google Maps?

Add a place A map can have up to 10,000 lines, shapes, or places. Select a layer and click where to put the place. Give your place a name. Click Save.

How to create a custom overlay in Google Maps?

Add a custom overlay. Here is a summary of the steps required to create a custom overlay: 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.

How to make a draggable triangle in Google Maps?

// as you drag it north or south. // Construct a draggable red triangle with geodesic set to true. // Construct a draggable blue triangle with geodesic set to false. Note: Read the guide on using TypeScript and Google Maps. // This example creates draggable triangles on the map. // as you drag it north or south. const map = new google. maps.

How to add a rectangle to a Google map?

// This example adds a red rectangle to a map. const map = new google. maps. Map ( document. getElementById ( “map” ), { const rectangle = new google. maps. Rectangle ( { Note: The JavaScript is compiled from the TypeScript snippet.

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.