Methods

This section describes the methods exposed by the DevExpress.viz.map object.

This object is used for manipulating map projections.

projection(data)

Creates a new projection.

Parameters:
data: Object
An object specifying the conversion functions.
Object structure:
to: function(coordinates)
The function that converts coordinates from data space to [-1, 1] * [-1, 1] space.
from: function(coordinates)
The function that converts coordinates from [-1, 1] * [-1, 1] space to data space.
aspectRatio: Number
The projection's aspect ratio.
Return Value: Object
The projection.

After creating the custom projection, you can add it to the projections storage or assign the returning object to the projection option of the dxVectorMap widget.

View Demo