Gio.js
Getting Start
Gio.js 2.0
Basic Elements
Configuration
Object Design API
Color and Style API
Working with Data
Callback
Dependence Interface
Advanced Feature
switchDataSet

Parameter:
dataSet key -- string

switchDataSet API can be used to switch data set when a data group is added to controller through addData API. Use the data set key to set which data set to be displayed onto the globe. Only after a data group being added to the controller can this API takes effect.
// "large" is the key of a data set
controller.switchDataSet("large");