This application is also available with
Smaller map.
Learn the basics in
Google Maps JavaScript API Tutorial
This is a drawing tool for polyline, polygon, polygon with holes, rectangle, circle, marker(icon), direction(route, path). You draw and create a map with the shapes you want. KML or Javascript code is presented in the textarea. You copy KML code and paste it into a text editor. Then you have a KML file you may upload to your website.
Code will be presented in the textarea. You may choose to see KML or Google Javascript V3.
The OpenStreetMap map type has been added to the Google Maps map types. It has been embedded as a layer within the Google Map. This will in many parts of the world give you map tiles with more details than the default Google Maps tiles.
The feature 'polygon with hole' ('donut') is built-in. Choose Polygon draw mode and follow the instructions. All overlays have style options. There are some custom markers (icons) available for Marker and Direction.
For editing - if you have a kml file uploaded on a server, and you want to edit its coordinates,
you may use my edit tool Edit tool for Google maps polyline and polygon
You will need a PC or laptop with a large amount of computer memory if your kml file has 1000
coordinate pairs or more.
If a coastline is part of the shape you want to create, you may use templates and build on them
Build Google maps polylines and polygons from templates
