DataV:Echarts dashboard

Chart Style

Configuration 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 Configurations.
• Size: indicates the size of a widget, including its pixel width and height. You can click the icon to proportionally adjust the width and height of a widget. After you click this icon again, you can adjust the width and height as needed.
• Position: the position of a widget, which is indicated by pixel X and Y coordinates. X-coordinate indicates the pixel distance between the upper-left corner of the widget and the left border of the canvas. Y-coordinate indicates the pixel distance between the upper-left corner of the widget and the upper border of the canvas.
• Rotation Angle: the angle of a rotation that uses the center point of a widget as the rotation point. The unit is degrees (°). You can use one of the following methods to control the rotation angle of a widget:
  • Directly enter the degrees in the Rotation Angle spin box or click the plus sign (+) or minus sign (-) to increase or decrease the value in the Rotation Angle spin box.
  • Drag the black dot in the icon.
  • Click the icon to horizontally flip a widget.
  • Click the icon to vertically flip a widget.
• Opacity: the opacity of a widget. Valid values: 0 and 1. If this parameter is set to 0, the widget is hidden. If this parameter is set to 1, the widget is completely displayed. Default value: 1.

• Chart: Click the + or-sign or enter a value to adjust the horizontal center and vertical center of the dashboard. Unit: %.

• dialog box: Click the eye icon on the right to display the dialog box.

  • Trigger Condition: the type of the trigger that you want to trigger. You can select Mouse Move Trigger, Mouse Click Trigger, and Mouse Move and Click Trigger.

  • Background Color: Change the background color of the dialog box. For more information, see color picker description.

  • Border Color: Modify the border color of the dialog box. For more information, see color picker description.

  • Border Size: Click + or-, or enter a value to modify the border thickness of the background frame.

  • Pin: Click the + or-sign, or enter a number manually to modify the inner margin of the background frame. Unit: pixels. The default inner margin is 5.

  • Text Style

    • Color: Modify the color of the dialog box text. For more information, see color picker description.

    • Font Style: dialog box the font style of the text.

    • Font weight: dialog box the font weight of the text.

    • Font: dialog box the font family of the text.

    • Font Size: dialog box the font size of the text.

• Series

  • Name: Enter a name for the dashboard.

  • Radius: specifies the radius of the dashboard, which is a percentage of the height and width of the container.

  • Start Angle: Click + or-, or enter a value to modify the start angle of the dashboard.

  • End Angle: Click + or-, or enter a value to modify the end angle of the dashboard.

  • Clockwise: If you select this check box, the dashboard is displayed in ascending order in the clockwise direction.

  • Minimum Value: Click + or-, or enter a value to modify the minimum value of the dashboard.

  • Maximum Value: Click + or-, or enter a value to modify the maximum value of the dashboard.

  • segments: Click the + or-sign, or enter a value to modify the segments of the dashboard.

  • Static: If you select this check box, the dashboard is static and cannot be interacted with.

  • Axis

    • Axis Style

      • Axis Segment: Click the or icon to add or remove a segment style. Click the or icon to configure the arrangement style of multiple segment styles. Click the icon to copy the currently selected segment style configuration and add a segment style with the same configuration.

        • Position: Click the + or-sign and slide or enter a value to modify the position of the dashboard segment.

        • Color: Modify the color of the segment. For more information, see color picker description.

      • Width: Click the + or-sign or enter a value to modify the width of the segment.

      • Transparency: Click the + or-sign or enter a value to modify the transparency of the segment. The range is [0,1].

  • line separator: Click the eye icon on the right to display the line separator.

    • Length: Click the + or-sign or enter a value to modify the length of the line separator.

    • Axis Style

      • Color: Modify the color of the line separator by referring to the color picker description.

      • Width: Click the + or-sign or enter a value to modify the width of the line separator line.

      • Type: the type of the line separator axis. Optional. Valids: solid lines and dashed lines.

      • Transparency: Click the + or-sign or enter a value to modify the transparency of the line separator. The value ranges from 0 to 1.

  • Scale: Click the Eye icon to display the scale.

    • segments: Click the + or-sign, or enter a number manually to modify the display interval of the axis scale. This is valid in category axes.

    • Length: Click the + or-sign or enter a number to modify the length of the scale.

    • Axis Style

      • Color: Modify the color of the tick marks by referring to the color picker description.

      • Width: Click the + or-sign or enter a value to modify the width of the tick mark.

      • Type: the type of the tick mark. Optional. Valids: solid lines and dashed lines.

      • Transparency: Click the + or-sign or enter a value to modify the transparency of the tick marks. The range is [0,1].

  • Scale Labels: Click the Eye icon to display the scale labels.

    • Distance: the distance between the scale label and the axis.

    • Text Style

      • Color: Modify the color of the scale label. For more information, see color picker description.

      • Font Style: the font style of the scale label text.

      • Font weight: the font weight of the scale label text.

      • Font: the font family of the scale label text.

      • Font Size: the font size of the scale label text.

  • Dashboard Pointer: Click the Eye icon to view the dashboard pointer.

    • Length: the length of the dashboard pointer.

    • Width: the width of the dashboard pointer.

  • Element Style

    • Ordinary Item

      • Color: Modify the color of common elements by referring to the color picker description.

      • Border Color: Modify the border color of common item elements. For more information, see color picker description.

      • Border Width: Click the + or-sign or enter a value to modify the border thickness of the normal element.

      • Border Style: the stroke type of the border. The stroke type can be Solid Line or Dotted Line.

      • Transparency: Click the + or-sign or enter a value to modify the transparency of normal elements. The value ranges from 0 to 1.

    • Major Items

      • Color: Modify the background color of the highlight element by referring to the color picker description.

      • Border Color: Modify the border color of the major item element. For more information, see color picker description.

      • Border thickness: Click + or-, or enter a value manually to change the border thickness of the key element.

      • Border Style: the stroke type of the border. The stroke type can be Solid Line or Dotted Line.

      • Transparency: Click the + or-sign or enter a value to modify the transparency of normal elements. The value ranges from 0 to 1.

  • Title: Click the Eye icon to display the title.

    • Horizontal Offset: Click the + or-sign or enter a value to modify the horizontal offset of the title. The range is from -200 to 200.

    • Vertical Offset: Click + or-, or enter a value to modify the vertical offset of the title. The range is from -200 to 200.

    • Text Style

      • Color: Modify the color of the title text. For more information, see color picker description.

      • Font Style: the font style of the title text.

      • Font weight: the font weight of the title text.

      • Font: the font family of the title text.

      • Font Size: the font size of the title text.

  • Details: Click the Eye icon to display the title.

    • Unit: the unit of the details.

    • Width: Click + or-, or enter a value to modify the width of the details.

    • Height: Click + or-, or enter a value to modify the height.

    • Horizontal Offset: Click + or-, or enter a number manually to modify the horizontal offset of the details. The range is from -200 to 200.

    • Vertical Offset: Click + or-, or enter a value to modify the vertical offset. The range is from -200 to 200.

    • Background Color: Modify the background color of the details. By default, the background color is transparent. For more information, see color picker description.

    • Border Width: Click + or-, or enter a value to adjust the border thickness.

    • Border Color: Modify the border color of the details. The default color is transparent. For more information, see color picker description.

    • Text Style

      • Color: Modify the color of the details text. For more information, see color picker description.

      • Font Style: the font style of the details text.

      • Font weight: the font weight of the details text.

      • Font: the font family of the details text.

      • Font Size: the font size of the details text.

• Animation: Select this check box to enable animation.

• Animation Threshold: Click + or-or enter a value to modify the animation threshold. Unit: milliseconds. When the number of graphics displayed in a single series is greater than the threshold you set, the system disables the animation effect to prevent the component from crashing.

• Animation Duration: Click the + or-sign or enter a value to modify the duration of the initial animation. Unit: milliseconds.

• Ease Effect: Select an easing effect for the data update animation from the drop-down list. The default value is cubicOut.

Data tab

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 tab

This widget does not support interaction events.

Configure interactions in Blueprint Editor

1. In Canvas Editor, right-click a widget and select Export to Blueprint Editor.

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

3. In Blueprint Editor, click Dashboard in the Import Nodes pane. You can view the configuration parameters of the dashboard in Blueprint Editor, as shown in the following figure.

   • Event

     Event	Description
     When the 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 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 data interface request fails	The event that is returned when a data interface request fails (the request 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.

   • Action

     Policy Action	Description
     Request 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 https://api.test and the data passed to the request data interface is { id: '1'}, the final request interface is https://api.test?id=1.
     Import data	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.
     Update component configurations	Style configurations of widgets are dynamically updated. In the Configuration panel, click Copy Configuration to Clipboard to obtain the configuration data of the component. After that, change the style field for the data processing node in Blueprint Editor.
     Display	The following example shows the widget. return{ "animationType": "", "animationDuration": 1000, "animationEasing": "linear" }
     Hide	The following example shows how to hide a widget: return{ "animationType": "", "animationDuration": 1000, "animationEasing": "linear" }
     Switch to the hidden state	The following example shows whether to show or hide a widget. return { "animationIn": { "animationType": "", "animationDuration": 1000, "animationEasing": "linear" }, "animationOut": { "animationType": "", "animationDuration": 1000, "animationEasing": "linear" } }
     Move	Move a widget to a specified location. The following example shows the reference data. return{ // The positioning type. to indicates absolute positioning, whereas by indicates relative positioning. The default value is to. "positionType": "to", // The location, which is indicated by the x and y coordinates. "attr": { "x": 0, "y": 0 }, // The animation type. "animation": { "enable": false, // The duration in which animation is displayed. "animationDuration": 1000, // The animation curve, which can be set to linear|easeInOutQuad|easeInOutExpo. "animationEasing": "linear" } }