TGIS_Network class

Class for storing and retrieving network graph for TGIS_ShortestPathLink purposes and other network analysis classes.

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

Syntax

// Delphi
type
  TGIS_Network = class( TGIS_BaseObjectDisposable )
  end;

// C++ Builder
class PASCALIMPLEMENTATION TGIS_Network : public TGIS_BaseObjectDisposable
{
};

Inherited Overrides Protected

	Name	Visibility	Description
	Create	public	Create a new network on provided layer

Inherited Protected

Name	Visibility	Description
arNodes	protected	array of nodes residing in memory.
FLayer	protected	Associated layer.
FOnLink	protected	Event for the link cost calculation.
FStoragePath	protected	Path to the network storage file.
linksId	protected	Last generated links id.
lstLinks	protected	List of links resides in memory.
lstNodes	protected	List of nodes residing in memory.
nodesId	protected	Last generated nodes id.
oRtree	protected	Nodes index (for in memory objects)
oStorage	protected	Persistent network storage file.
tmpLink	protected	Storage for temporary link use for getLink operations

Inherited Overrides Protected

Name	Visibility	Description
AddNode	public	Add a node at the specific location.
AddShape	public	Add new shape to the network.
Clean	public	Clean the network to prepare it for next searching.
CleanDynamicLinks	public	Clean all dynamic links like created by geocoder.
Delete	public	Delete saved network.
FindNode(TGIS_Point; Double)	public	Find closest node corresponding to provided location regardless of the nide level.
FindNode(TGIS_Point; Double; ShortInt)	public	Find closest node corresponding to provided location.
GetLink	public	Read from network (storage or memory) a link corresponding to provided ObjectId
GetNode	public	Read from network (storage or memory) a node corresponding to provided ObjectId
GetShape	public	Get shape object from the network corresponding to provided link identifier
Open	public	Open network (must exists first
Serialize	public	Save current network to the underlying storage

Inherited Protected

	Name	Visibility	Description
	Layer	published	Network base layer.
	Ready	public	True if network is properly generated.

Inherited Protected

	Name	Visibility	Description
	LinkEvent	published	Event fired upon calling AddShape procedure.