NodeSpatialIndex<T> class

Specialized spatial index for managing Node objects

Constructors

NodeSpatialIndex({double gridSize = 500.0, bool enableCaching = true})

Properties

hashCode → int
The hash code for this object.
no setterinherited
isUsingSpatialGrid → bool
Check if spatial grid is being used for performance
no setter
nodeCount → int
Get total number of nodes in the index
no setter
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
stats → SpatialIndexStats
Get performance statistics
no setter

Methods

addOrUpdateNode(Node<T> node) → void
Add or update a node in the spatial index
clear() → void
Clear all nodes from the spatial index
endNodeDragging() → void
End drag optimization and rebuild spatial index for dragged nodes
flushPendingUpdates() → void
Force process any pending spatial index updates immediately
getNode(String nodeId) → Node<T>?
Get node by ID
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
queryNodes(Rect bounds) → List<Node<T>>
Get all nodes that intersect with the given bounds
rebuildFromNodes(Iterable<Node<T>> nodes) → void
Rebuild the entire spatial index (use sparingly)
removeNode(String nodeId) → void
Remove a node from the spatial index
startNodeDragging(List<String> nodeIds) → void
Start drag optimization for specified node IDs
toString() → String
A string representation of this object.
inherited
updateDraggingNodes(List<Node<T>> nodes) → void
Update spatial index for nodes that are currently being dragged

Operators

operator ==(Object other) → bool
The equality operator.
inherited