DataV:Arc layer

Settings Panel

• 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.

• Flying Route Style: the style of the flying line in the arc layer.

  Parameter	Description
  Radius	The radius of the line width of the flying line.
  Dashed line solid line ratio	The proportional value of the distance between the dashed line and the solid line of the flying line.
  Discontinuities	The number of discontinuities in the flying line.
  Speed	The speed of the flight.
  Height	The height of the flying route from the ground plane.
  Radian	The radian of the flying line.
  Maximum Transparency	The transparency value of the flying route. Valid values: 0 to 1.
  Default Color	The default color of the flight routes.
  Type	Click the or icon on the right to add or delete a flight type. Click the or icon to configure the arrangement styles of multiple flying route types. Click the icon to copy the configuration of the currently selected flying route type and add a flying route with the same configuration. type: the type of the flying route, which matches the type field on the data panel. Color: the color of the flying routes.

• Icon Style: the style of the icon in the arc layer.

  Parameter	Description
  Custom Map	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 a sticker. 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 a custom sticker.
  Height	The height of the icon from the ground plane.
  Size	The size of the icon.
  Speed	The speed at which the icon runs with the flight.

Data Panel

Configuration field description

Table 1. 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 Panel

This widget does not support interaction events.

Configure interactions in Blueprint Editor

1. In Canvas Editor, click the icon next to Arc Layer in the 3D Earth widget list.

2. Click the icon in the upper-left corner.

3. In Blueprint Editor, click the Arc Layer widget in the Added Nodes pane. You can view the parameters of the Arc Layer widget on the canvas, as shown in the following figure.

   • Event

     Event	Description
     When the flight request is completed	After data of the flying routes layer is returned by the API and processed by filters, this event is triggered to pass JSON-format data. For more information about specific data examples, see the Data Response Result section of the Data tab in the right-side configuration panel of the canvas editor.
     When a flight request fails	The event that is returned when the request of the flying data interface fails (the request failure may be due to network problems or interface errors) and is processed by the filter. The event also throws the processed JSON data. For more information about specific data examples, see the Data Response Result section of the Data tab in the right-side configuration panel of the canvas editor.

   • Policy Action

     Policy Action	Description
     Request Flight	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, in the arc layer, the API data source is set to https://api.test, and the data sent to the action of requesting a flying line is set to { id: '1'}. In this case, the final request interface is https://api.test?id=1.
     Import Flying Routes	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 more information about specific data examples, see the Data Response Result section of the Data tab in the right-side configuration panel of the canvas editor.
     Display Widget	A widget is shown without the need to specify parameters.
     Hide components	A widget is hidden without the need to specify parameters.