Scatter Chart Widget

General Setting

User can change following things in Scatter Chart widget:

Name for widget which will be used data reference. For Example, if widget name is 'Scatter Chart', then data of widget is referenced as Scatter Chart.data
Show title - User can show/hide widget title
Title Color
Background Color

Widget Setting

In Widget Setting option, user can change following parameters:

Dot Size - Integer value for dot size
X Key - key parameter of JSON Object which will define X-Axis value.
Show Legend - Enable to show legends
Y Keys - key parameter of JSON Object which will define Y-Axis values.
X Legend - String value as a Legend for the X Axis
Y Legend - String value as a Legend for the Y Axis

Source

User can select a source mode as MQTT or Action.

Using MQTT

Here, to update data on Scatter Chart user can publish JSON array on given data MQTT topic. No need to provide <account_id> while providing the MQTT topic. The JSON array will be as below.

// Example

[
  {
    "x": 42,
    "y": 116,
    "z": 60
  },
  {
    "x": 22,
    "y": 86,
    "z": 30
  }
]

// here, 'x' is set as X Key and 'y' and 'z' are set as Y keys with 'groupA' and
 'groupB' as labels respectively.

Using Action

Here, to update the Scatter Chart widget, output of the action should contain JSON array as given in above example. User can also update the widget either onLoad or periodically by providing refresh interval.

Event Handling

Scatter Chart widget does not support any event.

Example

Here, data in below format published on configured topic, will appear as shown in image.

// Example

[
  {
    "x": 42,
    "y": 116,
    "z": 60
  },
  {
    "x": 22,
    "y": 86,
    "z": 30
  }
]

// here, 'x' is set as X Key and 'y' and 'z' are set as Y keys with 'groupA' and 'groupB' as labels respectively.

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Last updated 2 years ago