GraphBase< NODE, EDGE > Class Template Reference

#include <graphbase.h>

Detailed Description

template<typename NODE, typename EDGE>
class maxon::geomgraph::GraphBase< NODE, EDGE >

Basic undirected graph template.

Template Parameters

NODE	The node type in the graph.
EDGE	The edge type in the graph.

Public Types
typedef GraphBase< NODE, EDGE >	Super
typedef NODE	NodeType
typedef EDGE	EdgeType

Public Member Functions
	GraphBase ()
	~GraphBase ()
	GraphBase (GraphBase &&src)
Result< void >	CopyFrom (const GraphBase &src)
Result< void >	AppendGraph (const GraphBase &src)
GRAPH_TYPE	GetType () const
void	SetType (GRAPH_TYPE type)
Int	GetNodesCount (Bool subPoint=false) const
Int	GetEdgesCount () const
NODE *	GetFirstNode ()
NODE *	GetLastNode ()
NODE *	FindNodeByPosition (const Vector &position, Float tolerance=0.0)
const NODE *	FindNodeByPosition (const Vector &position, Float tolerance=0.0) const
Result< NODE * >	GetNode (Int idx)
Result< const NODE * >	GetNode (Int idx) const
Result< NODE * >	GetSuccessor (NODE *node)
Result< NODE * >	GetPredecessor (NODE *node)
Result< EDGE * >	GetSuccessorEdge (NODE *node)
Result< EDGE * >	GetPredecessorEdge (NODE *node)
Int	FindNode (NODE *node)
Result< EDGE * >	GetEdge (Int idx)
Result< const EDGE * >	GetEdge (Int idx) const
Int	FindEdge (EDGE *edge)
Result< EDGE * >	GetEdgeByPoints (NodeType *p1, NodeType *p2) const
Result< NODE * >	AddNode (const NodeType &node, Int pos=NOTOK)
Result< EDGE * >	AddEdge (NodeType *p1, NodeType *p2, Int pos=NOTOK)
Result< NODE * >	SplitEdge (const NODE &node, EdgeType *edge)
Result< EDGE * >	SplitEdge (NodeType *node, EdgeType *edge)
Result< void >	DeleteNode (NodeType *node, Bool replaceEdge=true)
Result< void >	DeleteNode (Int pos, Bool replaceEdge=true)
Result< void >	DeleteEdge (EdgeType *edge, Bool nodes=false)
Result< void >	DeleteEdge (Int pos, Bool nodes=false)
Result< void >	WeldNodes (NodeType *p1, NodeType *p2)
Result< void >	MeltEdge (EdgeType *edge)
Result< void >	MeltEdge (Int pos)
void	Reset ()

Protected Attributes
GRAPH_TYPE	_type
PointerArray< NODE >	_nodes
PointerArray< EDGE >	_edges

Member Typedef Documentation

Super

typedef GraphBase<NODE, EDGE> Super

NodeType

typedef NODE NodeType

EdgeType

typedef EDGE EdgeType

Constructor & Destructor Documentation

GraphBase() [1/2]

GraphBase ( )

explicit

~GraphBase()

~GraphBase

(

)

GraphBase() [2/2]

GraphBase

(

GraphBase< NODE, EDGE > &&

src

)

Member Function Documentation

CopyFrom()

Result<void> CopyFrom

(

const GraphBase< NODE, EDGE > &

src

)

AppendGraph()

Result<void> AppendGraph

(

const GraphBase< NODE, EDGE > &

src

)

Append src graph t this graph, the existing graph is mantained.

Parameters

[in]

src

The graph to append.

Returns

OK on success.

GetType()

GRAPH_TYPE GetType

(

)

const

Get The graph type.

Returns

The graph type.

SetType()

void SetType

(

GRAPH_TYPE

type

)

Set The graph type.

Parameters

[in]

type

The new graph type.

GetNodesCount()

Int GetNodesCount

(

Bool

subPoint = false

)

const

Get All nodes count in the graph.

Returns

The main point count in the graph.

GetEdgesCount()

Int GetEdgesCount

(

)

const

Get All edge count in the graph.

Returns

The stroke count in the graph.

GetFirstNode()

NODE* GetFirstNode

(

)

Get a pointer to the first node.

Returns

A pointer to the first node.

GetLastNode()

NODE* GetLastNode

(

)

Get a pointer to the last node.

Returns

A pointer to the last node.

FindNodeByPosition() [1/2]

NODE* FindNodeByPosition	(	const Vector &	position,
		Float	tolerance = 0.0
	)

Serch a node with at passed position.

Parameters

[in]	position	The 3d position where search the node.
[in]	tolerance	Search can be tolerat if passed value is != 0.

Returns

A pointer to the node if found at position otherwise false.

FindNodeByPosition() [2/2]

const NODE* FindNodeByPosition	(	const Vector &	position,
		Float	tolerance = 0.0
	)		const

Serch a node with at passed position.

Parameters

[in]	position	The 3d position where search the node.
[in]	tolerance	Search can be tolerat if passed value is != 0.

Returns

A pointer to the node if found at position otherwise false.

GetNode() [1/2]

Result<NODE*> GetNode

(

Int

idx

)

Get a node in the list.

Parameters

[in]

idx

The node index in the list.

Returns

A pointer to the entry in the list otherwise error.

GetNode() [2/2]

Result<const NODE*> GetNode

(

Int

idx

)

const

Get a node in the list.

Parameters

[in]

idx

The node index in the list.

Returns

A pointer to the entry in the list otherwise error.

GetSuccessor()

Result<NODE*> GetSuccessor

(

NODE *

node

)

Get the successor node, valid only in continuos graph case.

Parameters

[in]

node

The node.

Returns

A pointer to the successor node otherwise an error.

GetPredecessor()

Result<NODE*> GetPredecessor

(

NODE *

node

)

Get the predecessor node, valid only in continuos graph case.

Parameters

[in]

node

The node.

Returns

A pointer to the Predecessor node otherwise an error.

GetSuccessorEdge()

Result<EDGE*> GetSuccessorEdge

(

NODE *

node

)

Get the successor edge, valid only in continuos graph case.

Parameters

[in]

node

The node.

Returns

A pointer to the successor edge otherwise an error.

GetPredecessorEdge()

Result<EDGE*> GetPredecessorEdge

(

NODE *

node

)

Get the predecessor edge, valid only in continuos graph case.

Parameters

[in]

node

The node.

Returns

A pointer to the Predecessor edge otherwise an error.

FindNode()

Int FindNode

(

NODE *

node

)

Check if node exist in the node list and return the index.

Parameters

[in]

node

The node to check for.

Returns

The node index if found or NOTOK if the node is not in to the list.

GetEdge() [1/2]

Result<EDGE*> GetEdge

(

Int

idx

)

Get a edge at idx in the list.

Parameters

[in]

idx

The edge index in the list.

Returns

A pointer to the entry in the list otherwise error.

GetEdge() [2/2]

Result<const EDGE*> GetEdge

(

Int

idx

)

const

Get a edge at idx in the list.

Parameters

[in]

idx

The edge index in the list.

Returns

A pointer to the entry in the list otherwise error.

FindEdge()

Int FindEdge

(

EDGE *

edge

)

Check if edge exist in the edge list and return the index.

Parameters

[in]

edge

The edge to check for.

Returns

The edge index if found or NOTOK if the edge is not in to the list.

GetEdgeByPoints()

Result<EDGE*> GetEdgeByPoints	(	NodeType *	p1,
		NodeType *	p2
	)		const

Check if exist a edge in between p1 and p2, if yes return the pointer.

Parameters

[in]	p1	First edge point.
[in]	p2	Second edge point.

Returns

A pointer to the edge otherwise error.

AddNode()

Result<NODE*> AddNode	(	const NodeType &	node,
		Int	pos = NOTOK
	)

Add a new node to the list.

Parameters

[in]	node	The new pen node to add.
[in]	pos	Optional position in to the array if NOTOK or not passed the point is added at the end of the list.

Returns

A pointer to the added entry otherwise error.

AddEdge()

Result<EDGE*> AddEdge	(	NodeType *	p1,
		NodeType *	p2,
		Int	pos = NOTOK
	)

Add a new edge in between p1 and p2 with type and initialize it. Automatically map the stoke to the points list.

Parameters

[in]	p1	First edge node.
[in]	p2	Second edge node.
[in]	pos	If not NOTOK new stroke will be inserted at pos in the list.

Returns

A pointer to the new stroke added to the list otherwise error.

SplitEdge() [1/2]

Result<NODE*> SplitEdge	(	const NODE &	node,
		EdgeType *	edge
	)

Split edge in 2 parts by adding the new node.

Parameters

[in]	node	The new node to insert in to the list.
[in]	edge	The edge to split.

Returns

A pointer to the new created node otherwise error.

SplitEdge() [2/2]

Result<EDGE*> SplitEdge	(	NodeType *	node,
		EdgeType *	edge
	)

Split edge in 2 parts by attaching it to an existing node.

Parameters

[in]	node	The node to attach the strokes.
[in]	edge	The edge to split.

Returns

The new added edge pointer otherwise error.

DeleteNode() [1/2]

Result<void> DeleteNode	(	NodeType *	node,
		Bool	replaceEdge = true
	)

Remove node and the connected edges.

Parameters

[in]	node	The node to be removed.
[in]	replaceEdge	If true a new edge will be added to fill the gap, just if the graph is not sparse (max 2 edges per node).

Returns

OK on success.

DeleteNode() [2/2]

Result<void> DeleteNode	(	Int	pos,
		Bool	replaceEdge = true
	)

Remove node at pos and the connected edges.

Parameters

[in]	pos	The index position of node to be removed.
[in]	replaceEdge	If true a new edge will be added to fill the gap, just if the graph is not sparse (max 2 edges per node).

Returns

OK on success.

DeleteEdge() [1/2]

Result<void> DeleteEdge	(	EdgeType *	edge,
		Bool	nodes = false
	)

Remove the edge and adjust the nodes<->edges mapping.

Parameters

[in]	edge	The edge to be removed.
[in]	nodes	If True also node will be deleted if any other edge use it.

Returns

OK on success.

DeleteEdge() [2/2]

Result<void> DeleteEdge	(	Int	pos,
		Bool	nodes = false
	)

Remove the edge and adjust the nodes<->edges mapping.

Parameters

[in]	pos	The position in to edge list.
[in]	nodes	If True also nodes will be deleted if any other edge use it.

Returns

OK on success.

WeldNodes()

Result<void> WeldNodes	(	NodeType *	p1,
		NodeType *	p2
	)

Weld disconnected nodes.

Parameters

[in]	p1	First node, this node will be stay alive.
[in]	p2	Second node.

Returns

OK on success.

MeltEdge() [1/2]

Result<void> MeltEdge

(

EdgeType *

edge

)

Shrink edge to a single node and refresh the graph.

Parameters

[in]

edge

The edge to be removed.

Returns

OK on success.

MeltEdge() [2/2]

Result<void> MeltEdge

(

Int

pos

)

Shrink edge at pos to a single node and refresh the graph.

Parameters

[in]

pos

The position in to edge list.

Returns

OK on success.

Reset()

void Reset

(

)

Free memory and reset all values.

Member Data Documentation

_type

GRAPH_TYPE _type

protected

_nodes

PointerArray<NODE> _nodes

protected

_edges

PointerArray<EDGE> _edges

protected