TGIS_ShortestPath class

Encapsulation of shortest path algorithm.

Available also on: Delphi | .NET | Java | ActiveX.

Syntax

# Python
class TGIS_ShortestPath( Object ):

→ Object

Inherited Overrides Protected

	Name	Visibility	Description
	__init__	public	Create an instance.

Inherited Overrides Protected

Name	Visibility	Description
Find	public	Find path between two existing nodes.
LoadTheData	public	Load data from the layer.
Regenerate	public	Recreate network (including network storage files).
StartPos	public	Set a start position for the shortest path.
StopPos	public	Set a stop position for the shortest path and run shortest path.
UpdateTheData	public	Update the data with geocoded addresses from geocoder

Inherited Protected

Name	Visibility	Description
CompassBlocks	public	Compass divided to a number of blocks (4 by default).
CostModifiers	public	Cost modifier.
Extent	public	Path extent.
HeuristicCostModifier	public	Heuristic cost modifier.
HeuristicMode	public	Mode of heuristic operation.
HeuristicThreshold	public	Threshold of starting node seeking area.
Items	public	Items in the shortest path.
ItemsCount	public	Number of items in the shortest path.
Layer	public	Layer assigned to the shortest path.
Network	public	Instance of Network class (responsible for low level network operations)
OSMRouting	public	If true the local routing resource is ignored and the requests are send to the TatukGIS online routing service.
RoadLength	public	Field name used to calculate segment length.
RoadName	public	Field for the feature name.
StoragePath	public	Forced storage path.
TotalCost	public	Total cost of the path.

Inherited Protected

Name	Visibility	Description
LinkCostEvent	published	Event which will be fired upon creating a network.
LinkDynamicEvent	published	Event which will be fired upon traversing link.
LinkLevelEvent	published	Event which will be fired upon getting the level of the endings of each link.
LinkTypeEvent	published	Event which will be fired upon getting the type of each link.
NodeHeuristicCostEvent	published	Event which will be fired upon calculation of heuristic cost.
PathEvent	published	Event which will be fired on each link of the discovered shortest path.