new CesiumDragPoints(terria, pointMovedCallback)
- Source:
For letting user drag existing points in Cesium ViewerModes only.
Parameters:
| Name | Type | Description |
|---|---|---|
terria |
Terria | The Terria instance. |
pointMovedCallback |
PointMovedCallback | A function that is called when a point is moved. |
Members
_draggableObjects :CustomDataSource
- Source:
List of entities that can be dragged, which is populated with user-created points only.
Type:
_dragInProgress :Bool
- Source:
Whether user is currently dragging point.
Type:
- Bool
_pointMovedCallback :PointMovedCallback
- Source:
- Default Value:
- undefined
Callback that occurs when point is moved. Function takes a CustomDataSource which is a list of PointEntities.
Type:
dragCount :Number
- Source:
For determining whether a drag has just occurred, to avoid deleting a point at the end of the drag.
Type:
- Number
Methods
destroy()
- Source:
A clean up function to call when destroying the object.
setUp()
- Source:
Set up the drag point helper so that attempting to drag a point will move the point.
updateDraggableObjects(entities)
- Source:
Update the list of draggable objects with a new list of entities that are able to be dragged. We are only interested in entities that the user has drawn.
Parameters:
| Name | Type | Description |
|---|---|---|
entities |
CustomDataSource | Entities that user has drawn on the map. |