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The geometry types describe shapes that may be overlaid on the map. They are the building blocks from which the <mapData> object is made.

The geometry types describe not only a shape but also its location, using one or more <point> objects.

Object

Description

circle

Defines a circle in terms of pixels, centred on a <point>

ellipse

Defines an ellipse in terms of pixels, centred on a <point>

heatDefines a heat map as a collection of <heatpoint> objects and used to render a heat map as a geometry overlay
imageDefines an externally created image overlay
multipolygonDefines a collection of polygons

oval

Defines a shape similar to an ellipse, but by reference to distance across the ground

polygon

Defines an area as an array of rings. First ring is the perimeter, and all consecutive rings are areas of exclusion

polyline

Defines a line as an array of <point> objects

routehandleA vailid route handle is retrieved from a route request and used to render a polyline