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DataV:Logo Wall

Last Updated:May 12, 2023

This topic describes the logo wall widget charts and the meaning of each configuration items.

Chart Style

A logo wall is a type of material component that supports custom logo background colors, animation effects, display icons, etc., and can display a variety of logo icons in a visualization application in the form of logo wall. image..png

Settings Panel

image..png
  • 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 Proportional resizing 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 Rotation control icon icon.
    • Click the Horizontal flip icon to horizontally flip a widget.
    • Click the Vertical flip 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.
  • Global 标志墙的全局样式

    Parameter

    Description

    Fillet Radius

    The fillet radius of each flag.

    Border thickness

    The border thickness of each sign.

    Border Color

    The border color of each logo. For more information, see the color picker description.

    Filling Method

    The padding mode of the flag. The following methods are available: Default, Padding, and Extrude to Fill Container.

    Rows

    The number of rows on the background wall.

    Number of columns

    The number of columns in the background wall.

    Label Column Spacing

    The column spacing between the flags.

    Label Row Spacing

    The line spacing between the signs.

  • Animation: When the logo wall has multiple pages, this configuration items can animate the page carousel.

    Parameter

    Description

    Automatic Carousel

    If you turn on the switch, multiple logo wall pages are automatically caroused.

    Pause

    The dwell time of each page in carousel. Unit: s.

  • Dot: the style of the dots on the lower side of the carousel page. You can click the 眼睛图标icon to hide the dots. 标志墙的圆点样式

    Parameter

    Description

    Dot Color

    The color of all the dots.

    Current Color

    The color of the dot on the current page.

    Dot Size

    The size of the dot.

    Dot Spacing

    Spacing of dots.

    Vertical offset value

    The distance between the dot and the page, with negative numbers moving down and positive numbers vice versa.

  • Background Color: the background color of each logo. Click the 加号图标or 垃圾桶图标icon to add or remove a background color. Click the 横排列图标or 竖排列图标icon to configure the arrangement style of multiple background colors. Click the 复制图标icon to copy the currently selected background color configuration and add a new background color.

    Note

    If you add multiple background colors, DataV evenly distributes the colors of each logo.

    标志墙背景颜色

Data Panelimage..png

value: URL address of each flag grid icon, need to support cross-domain. We recommend that you declare the HTTP or HTTPS protocol.

Important

If you use the HTTPS protocol to access the visualization application and the URL of the logo uses the HTTP protocol, DataV cannot access the URL of the logo and the corresponding icon is not displayed on the visualization application.

Table 1. Parameters
ParameterDescription
Controlled ModeIf 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 RequestAfter 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 SourceIn 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 FilterIf 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 ResultThe response to a data request. If the data source changes, you can click the Refresh icon 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, right-click a widget in the Layer panel and select Add to Blueprint Editor.
  2. Click the Blueprint Editor icon icon in the upper-left corner of the page.
  3. In Blueprint Editor, click Logo Wall in the Added Nodes pane. You can view the logo wall parameters in the canvas, as shown in the following figure. 标志墙蓝图参数

    • 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.

    • Policy 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, logo wall the API data source is 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

      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. 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.

      Display

      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"
      };

      Switch to the hidden state

      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"
        }
      };