User can change following things in Pie Chart widget:
Name for widget which will be used data reference. For Example, if widget name is 'Pie Chart', then data of widget is referenced as Pie Chart.data
Show title - User can show/hide widget title
Title Color
Background Color
Configure Pie Chart Widget
Widget Setting
In Widget Setting option, user can change following parameters:
Inner Radius - Integer value for radius of inner circle of pie chart
Show Legend - Enable to show legends
Configure Pie Chart Widget
Source
User can select a source mode as MQTT or Action.
Using MQTT
Here, to update data on Pie Chart user can publish JSON object on given data MQTTtopic. No need to provide <account_id> while providing the MQTT topic. The JSON obejct will be as below.
// Example
​
{ "Andrew": 100 ,"John":160 ,"Sam":120}
Configure Pie Chart Widget
Using Action
Here, to update the Pie Chart widget, output of the action should contain JSON Object as given in above example. User can also update the widget either onLoad or periodically by providing refresh interval.
Configure Pie Chart Widget
Event Handling
Pie Chart widget does not support any event.
Example
Here, data in below format published on configured topic, will appear as shown in image.