DataV:Point aggregation layer (v1.x version)

Parameter

• Search for Configurations: In the right-side panel of Canvas Editor, click the Settings tab, and click Search for Configurations in the upper-right corner. Enter the required configuration item in the search box, and click the search icon to quickly locate the configuration item. Fuzzy match is supported. For more information, see Search for asset configurations.
• Icon Settings: Set parameters such as the icon size and image style of the scatter.

  Parameter	Feature
  Icon Size	Sets the size of the icon.
  Icon Image	In the Icon Image section Move the pointer over the image and click Delete to delete the image. Then, click the image area or drag a local image to the area to add an icon. Move the pointer over the image and click Change to upload the local image again. You can also enter the URL address of the image to use the image on the remote server as the icon image.

• Circle Configuration: Set parameters such as the radius and color of the inner and outer circles of the point aggregation circle.

  Parameter	Feature
  Inner Ring Radius	Sets the radius size of the inner circle of the aggregate.
  Inner Ring Color	Sets the color of the inner circle of the aggregate. Please refer to the color picker instructions for color modification.
  Outer ring radius	Sets the size of the radius of the outer ring of the aggregation.
  Outer ring color	Sets the color of the outer ring of the aggregate. Please refer to the color picker instructions for color modification.

• Box Style: On the Preview or Publish page, click the Scatter icon.
  Note To enable the pop-up feature, you must set the info field first.

  Parameter	Feature
  Font size	Set the font size of the text in the dialog box.
  The color of the font.	Set the color of the text in the dialog box. For more information, see color picker instructions.
  Font weight	Sets the font weight of the text in the dialog box.
  Font	Sets the font of the text in the popup.

The metadata of the filtering table.

Table 2. Parameters

Parameter	Description
Controlled Mode	If you turn on the switch, data is not requested when a widget is initialized. Data requests are triggered only based on callback IDs or the method configured in Blueprint Editor. If you turn off the switch, data requests are automatically triggered. By default, the switch is turned off.
Auto Data Request	After you select the Auto Data Request check box, you can enable dynamic polling, and manually specify the polling interval. If you do not select this check box, data is not automatically requested. You must manually refresh the page to request data or use Blueprint Editor or callback ID events to trigger data requests.
Data Source	In the right-side panel of Canvas Editor, click the Data tab. Click Set next to Static Data. In the Configure Datasource panel, select a data source from the Data Source Type drop-down list. Enter code for data query in the code editor, click Preview Data Response to preview the response of the data source, and then view the response. For more information, see Configure asset data.
Data Filter	If you select the Data Filter check box, you can convert the data structure, filter data, and perform simple calculations. If you click the plus sign (+) next to Add Filter, you can configure the script for the data filter in the editor that appears. For more information, see Use the data filter.
Data Response Result	The response to a data request. If the data source changes, you can click the icon next to Data Response Result to view the data response in real time.

Interaction

Click Triggered: Select Enable to enable the widget interaction feature. The sub-component of the point aggregation layer has interactive configurations. When a hash point is clicked, a callback value is thrown. By default, the id and value fields in the data are thrown. For more information, see Configure callback IDs.

Configure interactions in Blueprint Editor

1. In Canvas Editor, click the icon next to Point Aggregation Layer in the Basic Flat Map widget.
2. Click the icon in the upper-left corner of the page.
3. In Blueprint Editor, click the Point Aggregation Layer component in the Import Nodes pane. You can view the configuration parameters of the Point Aggregation Layer component on the canvas.
   • Event

     Event	Description
     When the Scatter Data Interface Request is Completed	The event is triggered with the processed JSON data after a data interface request is responded and processed by a filter. For specific data, see Data.
     Points are triggered by clicks	The event that is raised when a hash point at the point aggregation layer is clicked, and the data item corresponding to the scatter point is also raised.

   • Policy Action

     Action	Description
     Request Scatter Data Interface	This action is performed to request the server data again. The data sent by an upstream data processing node or layer node is used as a parameter. For example, if the API data source is http://api.test and the data passed to the Request Scatter Data Interface action is { id: '1'}, the final request interface is http://api.test?id=1.
     Import Scatter Data Interface	After data of a widget is processed in accordance with its drawing format, the widget is imported for redrawing. You do not need to request server data again. For specific data, see Data.
     Display Widget	A widget is shown without the need to specify parameters.
     Hide components	A widget is hidden without the need to specify parameters.