The heightmap terrain tile is a global layer in the 3D City Builder. You can configure its style and data, including general configurations and interaction settings. This topic describes the configuration items for the heightmap terrain tile layer.
In the layer list on the left side of the scene editor, click the Heightmap Terrain Tile layer to open the configuration panel and configure the style and data of the Heightmap Terrain Tile layer.
This widget is available only to users of DataV Premium Edition. To use this widget, you must upgrade to the Premium Edition.
If the Heightmap Terrain Tile is not in the layer list, you must add the Heightmap Terrain Tile layer. For more information, see Add a sub-widget.
Style panel
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Search Configuration: To quickly find a specific configuration item, click on the Configuration panel in the upper right corner and enter the item's name in the Search Configuration field. The system utilizes a fuzzy match to assist in locating items. For more information, see search configuration items.
General
Parameter
Description
Projection Type
Sets the projection type for the heightmap terrain tile.
BaseURL
Sets the BaseURL for the heightmap terrain tile. The URL must include the {x}, {y}, and {z} placeholders.
Tile Configuration
Sets the configuration items for the heightmap terrain tile.
Width: Sets the width of the heightmap terrain tile.
Height: Sets the height of the heightmap terrain tile.
Min Zoom: Drag the slider to set the minimum zoom level for the heightmap terrain tile. The value ranges from 0 to 20.
Max Zoom: Drag the slider to set the maximum zoom level for the heightmap terrain tile. The value ranges from 0 to 20.
Zoom Offset: Drag the slider to set the zoom offset for the heightmap terrain tile. The value ranges from -3 to 3.
Interaction
Parameter
Description
Mouse Interaction
Turn on the switch to enable mouse interaction. Turn off the switch to disable mouse interaction.
Data panel
This layer does not require data configuration.
Blueprint interaction
In the layer list of the Scene Editor, click the
icon to the right of the Heightmap Terrain Tile layer.Click the
icon in the upper-left corner of the page.On the Blueprint Editor configuration page, click the Heightmap Terrain Tile layer in the Import Nodes pane. The configuration parameters for the layer appear on the canvas, as shown in the following figure.

Events
Event
Description
Left-click
The event is triggered when you left-click the heightmap terrain tile. The event data is of the object type.
Actions
Action
Description
Display Component
Shows the widget. No parameters are required.
Hide Widget
Hides the widget. No parameters are required.