How do I create a custom Google maps 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.
- 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.
How do I make a marker draggable in Google Maps?
To allow users to drag a marker to a different location on the map, set draggable to true in the marker options.
How do you overlay grids on Google Maps?
Click “Grid Reference Tools” and choose “Get Grid Reference from Map”. By clicking on the desired location, the 6-figure Grid reference will be shown. Alternatively, you can show all 6-figure grids overlaid by choosing “Show Grid on the Map”
Can you highlight states on Google Maps?
To achieve this, you will basically need to look for the coordinates of the state or country on GADM. Once you have them, draw a shape on the Google Maps with the Polygon object providing an array with all the coordinates that play basically as borders of the place that you want to highlight.
What is Google overlay?
A screen overlay in Android, also referred to as “Draw On Top”, allows an app to display content over another app. If you tap the chat head, it leads to a pop-out version of the Messenger app.
How do I add a custom overlay to a Google map?
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 is overlayview in map?
How do I hide or show a custom overlay?
Hide and show a custom overlay. If you wish to hide or show an overlay rather than simply create or remove it, you can implement your own hide() and show() methods to adjust the overlay’s visibility. Alternatively, you can detach the overlay from the map’s DOM, though this operation is slightly more expensive.