DataV:The Area Chart With Ticker Board

Chart Style

A area chart with ticker board is a line chart. Compared with a area chart chart, it area chart with ticker board supports multiple series of ticker boards, custom y-axis intervals, and multi-series data configurations. It can intelligently display the change trend of multi-dimensional real-time data by using a combination of lines and areas.

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.
• 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

  • Margins: the distance between the chart area and the four boundaries of the widget. Unit: pixels.

  • Empty Data: If you turn on the switch, the line passes through the point whose y-axis value is 0.

  • Data Limit: You can specify a maximum number of input data records. The system loads the maximum number of input data records for layout, drawing, and computing. This ensures the visual application.

  • Ticker Board: the style of the flip at various distances.

    Parameter	Description
    Left Margin	The distance of the flip from the leftmost side of the chart.
    Right Margin	The distance of the flip from the far right of the chart.
    Padding	The distance between the flip and the flip.

  • Legend: the style of the legend. You can click the icon to display or hide the legend.

    Parameter	Description
    Text	Set the style of the legend text, including the text font style, font size, font color, and font weight. For more information, see color picker instructions.
    Layout	The positional relationship between the legends. Padding Horizontal Padding: The distance between the left and right sides of adjacent legends. This configuration items is only valid when there are multiple series. Vertical Padding: the distance between the legend and the upper and lower boundaries of the widget. Position: the position of the legend relative to the start coordinates of the widget. Valid values: Top Left, Top Center, Top Right, Bottom Left, Bottom Center, and Bottom Right.

• Coordinate Axes: You can select X Axis or Y Axis.

  • X Axis

    • Show Axis: If you turn on the switch, the x-axis style in the widget is displayed normally, and the x-axis style configuration is visible. If you turn off the switch, the x-axis style in the widget is hidden, and the style configuration is not visible.

    • Data Type: the type of the x-axis label data. Valid values: Number, Category, and Time.

      Parameter	Description
      Numeric	Supports numeric data such as integers and floating-point numbers.
      Category	Data of category types such as character and string is supported.
      Time	The data of the time type needs to be configured data format.

    • Data Format: data display format, valid only for data of Time, please configure by referring to %Y/%m/%d %H:%M:%S format.

    • Left and Right Margins: the distance between the two ends of the space. Valid values: 0 to 1.

    • Interval: the percentage of the interval between two categories on the x-axis. A larger value indicates a larger percentage. Valid values: 0 to 1.

    • Range: the range of the minimum and maximum values on the x-axis.

      Parameter	Description
      Max Value	The maximum value of the x-axis. Custom input is supported. The default value is auto. The system automatically calculates the match based on the maximum value, minimum value, and number of tags.
      Min Value	The minimum value of the x-axis. Custom input is supported. The default value is auto. The system automatically calculates the match based on the maximum value, minimum value, and number of tags.

    • Axis Label: the style of the x-axis label. You can click the icon to display or hide the axis label.

      Note

      If the data format and setting formats are not uniform, the widget will be displayed abnormally.

      Parameter	Description
      Data Format	The data format you want to display. This parameter is valid only for time-based and numeric data. Please refer to %m/%d%Y%H:%M:%S time, integer reference d and floating point reference .1f.
      Text	The text of the x-axis label, including the font style, font size, font color, and font weight. For more information, see the color picker description. Modify the text color.
      Label Display	The display style of the x-axis label, including: Offset: the distance between the labels on the x-axis. Unit: pixels. Angle: the angle of the x-axis label. Valic values: Horizontal, Incline, and Vertical. Quantity: the number of labels on the x-axis. Axis Unit: the unit of the x-axis label.

    • Axis Line: the style of the x-axis. You can click the icon to display the x-axis.

      Color: the color of the x-axis.

    • Grid Lines: the style of the x-axis gridlines. You can click an icon to display or hide the x-axis gridlines.

      Color: the color of the x-axis grid lines.

  • Y Axis

    • Show Axis: If you turn on the switch, the y-axis style in the widget is visible. If you turn off the switch, the y-axis style in the widget is invisible.

    • Range: the range of the minimum and maximum values of the y-axis.

      Parameter	Description
      Min Value	The minimum value of the y-axis. You can customize the value or select the value. 0; the system default minimum value is 0. Auto: The system automatically calculates the value based on the maximum value, minimum value, and number of axis labels. Data Min: the minimum value in the data.
      Max Value	The maximum value of the y-axis. You can customize the value or select the value. Auto: The system automatically calculates the value based on the maximum value, minimum value, and number of axis labels. Data Max: the maximum value in the data.

    • Data Format: the display format of the y-axis label value. You can select Default, 11 (Integer), 11.1 (Float), 11.11 (Float), 11%, 11.1%, or 11.11%.

    • Axis Label: the style of the y-axis label. You can click the icon to display or hide the y-axis label.

      Parameter	Description
      Text	The font style, text weight, font size, and color of the y-axis label text.
      Label Display	The number of labels, units, and the angle at which the labels are arranged. You can select Horizontal, Oblique, or Vertical.

    • Axis Line: the style of the y-axis. You can click the icon to display the y-axis.

      Color: the color of the y-axis.

    • Grid Lines: the style of the y-axis gridlines. You can click the icon to display or hide the gridlines.

      Color: the color of the grid lines on the y-axis.

• Series

  Data Series: Click the or icon on the right to add or delete a data series. Click the or icon to configure the arrangement style of multiple data series. Click the icon to copy the selected data series configurations and add a data series with the same configurations.

  Note

  The configuration items is an array that can be configured for multiple series. The editor will traverse the data so that the data is rendered through one or more series configuration loops. If you need to customize some data to a specific style, you need to sort the data manually.

  • Series Name: the name of the data series, which can be customized. If the field is empty, the system displays the s field value in the component data as the series name. If this parameter is not empty, you must ensure the order in which data is returned.

  • Line: the style of the line in the series.

    Parameter	Description
    Width	The line thickness value.
    Curve Type	The type of the line. Valves Smooth Curve and Polyline.
    Style	The style of the polyline. You can select Solid, Dotted, or Dashed.
    Color	The color of the polyline.

  • Point: the radius and color of the dot in the line. You can click the icon to control the appearance and concealment of the dot.

  • Area: the color of the area covered by the line. You can click the icon to control the color of the area.

  • Value Label: the style of the value label of the polyline in the series. You can click the icon to control whether the value of the polyline label is visible or hidden.

    Parameter	Description
    Text	The text style of the value label under this series, including the text font, text weight, font size, and color.

  • Ticker Board: the card flip style of this series. A card flip is a component used to indicate the dynamic changes of digital data. It generally consists of three parts: a prefix, a number, and a suffix.

    Note

    The number displayed on the ticker board is the value of the y-axis corresponding to the last point on the series polyline. Therefore, you can modify the default number display value by configuring data.

    • Prefix and Suffix: the prefix and suffix of the tag. You can customize the prefix and suffix of the tag.

    • Prefix: the style of the text with the prefix, including the text font, text weight, font size, and color.

    • Number: the style of the number in the flip box.

      • Text: the text style of the number, including the text font, text weight, font size, and color.

      • Display: the distance between the digits and the background color.

      • Default Digits: the number of digits.

      • Thousands Separator: When the number of data bits is greater than 4, the system will use the default delimiter to separate the display number separator can be customized.

      • Decimal Number: If you turn on the switch, the system displays the rounded integer in the visualization application. If you turn off the switch, the system displays the decimal instead of processing the decimal.

    • Suffix: the text style of the suffix, including the text font, text weight, font size, and color.

    Note

    The number in the upper-left corner of the flip box does not support explicit /implicit conversion. If you do not need to display the number in the upper-left corner, you can leave the content of the prefix and suffix empty and change the font size of the text to 0.

• Other

  • Easing Animation: the animation effect style of the chart. You can click the icon to enable or disable the animation effect.

    Parameter	Description
    Animation Settings	Eating Effect: the easing effect of the animation. The system provides a variety of common easing effects for you to choose from. Animations of All Series In Sequence: If you turn on the switch, the animation of each series is played in sequence. If you turn off the switch, the animation of all series is played together.
    Entrance Animation	The duration of the first animation rendered by the component. Unit: ms.
    Update Animation	Duration for Data Update: the duration of the animation when the widget data is updated. Unit: ms. Update from Latest Status: If you turn on the switch, the animation starts from the previous position when the widget data is updated. If you turn off the switch, the animation starts from the initial position when the widget data is updated.

  • Tooltip: the style of the dialog box that appears when you preview or publish the page, move the pointer over or click a dot on a polyline. You can click the icon to turn on or off the dialog box effect.

    Parameter	Description
    Trigger Mode	Trigger Item Type: dialog box the type of the target to be triggered. This field is optional, including Item and Axis. Trigger Action: dialog box the action to be triggered. This field is optional, including Hover and Click.
    Text Style	The style of the text in the dialog box, including the font style, weight, font size, and color.
    Fade Delay	When the trigger condition is not met, the dialog box will disappear. This configuration items sets the delay time before the dialog box disappears, in ms.
    Background Box	The background box style of the dialog box. Background Color: the background color of the dialog box. Dimensions: the width and height of the dialog box. Unit: pixels. Click the icon to turn custom dialog box on or off. Padding: the inner margin of the dialog box. Unit: pixels. Offset Horizontal Offset: the horizontal offset of the dialog box relative to the mouse arrow. Unit: px. Vertical Offset: the vertical offset of the dialog box relative to the mouse arrow. Unit: px. Border Border Width: the border thickness of the dialog box. Unit: pixels. Border Color: The border color of the dialog box.

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

Select the Enable check box to enable interactions between widgets. When a area chart with ticker board dot is clicked, a data request is triggered and a callback value is thrown to dynamically load the data of different dots. By default, the x, y, and s values are returned. For more information, see Configure the callback ID of a ticker board.

Configure interactions in Blueprint Editor

1. In Canvas Editor, right-click a widget in the Layer panel and select Add to Blueprint Editor.
2. Click the icon in the upper-left corner of the page.

3. In Blueprint Editor, click Area Chart with Ticker Board in the Added Nodes pane. You can view the area chart with ticker board parameters in the canvas, as shown in the following figure.

   • Event

     Event	Description
     On Completion of Data Interface Request	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.
     On Failure of Data Interface Request	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.
     On Click of Data Item	The event that is raised when the area chart with ticker board dot is clicked, along with the data item corresponding to the dot.

   • Action

     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, area chart with ticker board the API data source is configured as https://api.test and the data transferred to the Request Data Interface is { id: '1'}, the final request interface is https://api.test?id=1.
     Import 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 more information about body data examples, see the Data Response Result section on the Data tab of the right-side configuration panel of the canvas editor.
     Highlight	Highlight the element corresponding to the data item. The following example shows the reference data. return { "data": {}, "options": { "style": { "stroke": "#f00", "fill": "" }, "selectMode": "single", "cancelHighlightFirst": false } }
     Cancel Highlight	Cancel the highlighting of the element corresponding to the data item. The following example shows the reference data. return { "data": {}, "options": { "mode": "single" } }
     Clear Widget	Clear the component configuration. No parameters are required.
     Update Widget Configurations	Style configurations of widgets are dynamically updated. Before this action is executed, you must click the widget in Canvas Editor, click the Settings tab in the right-side panel, and click Copy Configurations to... to obtain widget configurations. After that, change the style field for the data processing node in Blueprint Editor.
     Show	Displays the widget. The following example shows the reference data. return{ "animationType": "", "animationDuration": 1000, "animationEasing": "linear" }
     Hide	The following example shows how to hide a widget. return{ "animationType": "", "animationDuration": 1000, "animationEasing": "linear" }
     Hide/Show	Specifies whether to show or hide a widget. The following example shows the reference data. 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" } }