Video background
Add a video background to enhance the visual effect of your data visualization screen.
Prerequisites
A data visualization screen is created. For more information, see Create a Data Visualization Screen.
Effect display
Add Picture Control
On the dashboard edit page, click Materials in the top navigation bar to add the video background widget. 
Video background style configuration
Location and size
Configure the following properties in the configuration section:
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Alignment: Set the component alignment to left, center, or right.
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Position: Set the X and Y values to adjust the position relative to the upper-left corner.
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Rotation angle: Set the rotation angle of the widget.
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Size: Set the W and H values to adjust the width and height.
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Lock: Lock the component to prevent changes to its size and position.
Video
Configure the following video properties:
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Video link: Specify the URL of the video.
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Transparency: Adjust the transparency of the video on the canvas.
Configure play
Configure the following playback settings:
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Loading policy: Choose to play while downloading or play before downloading.
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Play mode: Select Auto Play, Loop Play, or Mute.
