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.

Export: projection
Parameters:
data: Object
An object specifying the conversion functions.
Object structure:
to: function(coordinates)
The function that converts coordinates from a data space to [-1, 1] * [-1, 1] space.
from: function(coordinates)
The function that converts coordinates from the [-1, 1] * [-1, 1] space to the 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 widget.

View Demo