Leaflet.js Essentials

MultiPolylines and MultiPolygons

In the previous examples, you created each polyline and polygon as its own layer. When you start creating real data, you will find that you want multiple polylines or polygons on a single layer. For starters, it is more realistic, and it also makes it possible to deal with similar features as a single entity. If you want to map parks and bike trails on a single map, it makes sense to add the parks as MultiPolygon and the bike trails as MultiPolyline. Then, you can provide the user with the option of turning either layer on or off.

Tip

Bracketing for MultiPolylines and MultiPolygons can get confusing. You need brackets to hold the MultiPolyline or MultiPolygon, brackets for each polyline or polygon, and brackets for ...