CoreSplit (Split Screen Control)

Create and manage split screen comparison controls for map layers.

Constructor

new ge3d.control.CoreSplit(options?: CoreSplitOptions): CoreSplit

Parameters (CoreSplitOptions)

Parameter	Type	Default	Description
leftLayer	BaseTileLayer | BaseTileLayer[]	-	Layer(s) to display on the left side
rightLayer	BaseTileLayer | BaseTileLayer[]	-	Layer(s) to display on the right side
isRemoveLeftLayer	Boolean	false	Whether to remove left layer when exiting split screen (default removes right layer)

Properties

Property	Type	Description
type	String	Control type ("coreSplit")
isRemoveLeftLayer	Boolean	Whether to remove left layer when exiting split screen
leftLayer	BaseTileLayer[]	Left side layers
rightLayer	BaseTileLayer[]	Right side layers
show	Boolean	Show/hide state
enabled	Boolean	Enable/disable state
container	HTMLElement	Control's DOM container

Methods

Method	Parameters	Return Value	Description
addToLeftLayer	(layers: BaseTileLayer | BaseTileLayer[])	void	Add layer(s) to left side
removeFromLeftLayer	(layers: BaseTileLayer | BaseTileLayer[])	void	Remove layer(s) from left side
addToRightLayer	(layers: BaseTileLayer | BaseTileLayer[])	void	Add layer(s) to right side
removeFromRightLayer	(layers: BaseTileLayer | BaseTileLayer[])	void	Remove layer(s) from right side
setLayerSplitDirection	(layer: BaseTileLayer, splitDirection: Cesium.SplitDirection)	void	Set layer split direction

Notes

1. CoreSplit extends BaseControl and inherits all its properties and methods
2. Supports both single layers and arrays of layers for each side
3. Automatically handles layer visibility based on split position
4. Supports vector data visibility control for GeoJSON layers
5. Split position can be controlled by dragging the splitter or programmatically
6. When isRemoveLeftLayer is true, left layers are removed when exiting split screen
7. When isRemoveLeftLayer is false, right layers are removed when exiting split screen
8. The control automatically manages layer split directions
9. Supports touch gestures for mobile devices
10. Events provide real-time feedback on split position changes
11. Vector data (GeoJSON) visibility is automatically managed based on split position
12. The control creates a draggable splitter UI element for user interaction