Poly_MakeLoops Class Reference

#include <Poly_MakeLoops.hxx>

Inheritance diagram for Poly_MakeLoops:

Data Structures
class	HeapOfInteger
	This class implements a heap of integers. The most effective usage of it is first to add there all items, and then get top item and remove any items till it becomes empty. More...
class	Helper
	The abstract helper class. More...
struct	Link
	The Link structure. More...

Public Types
enum	LinkFlag {   LF_None = 0, LF_Fwd = 1, LF_Rev = 2, LF_Both = 3,   LF_Reversed = 4 }
	Orientation flags that can be attached to a link. More...
enum	ResultCode { RC_LoopsDone = 1, RC_HangingLinks = 2, RC_Failure = 4 }
typedef NCollection_List< Link >	ListOfLink
typedef ListOfLink	Loop

Public Member Functions
	Poly_MakeLoops (const Helper *theHelper, const Handle< NCollection_BaseAllocator > &theAlloc=0L)
	Constructor. If helper is NULL then the algorithm will probably return a wrong result. More...
void	Reset (const Helper *theHelper, const Handle< NCollection_BaseAllocator > &theAlloc=0L)
	It is to reset the algorithm to the initial state. More...
void	AddLink (const Link &theLink)
	Adds a link to the set. theOrient defines which orientations of the link are allowed. More...
void	ReplaceLink (const Link &theLink, const Link &theNewLink)
	Replace one link with another (e.g. to change order of nodes) More...
LinkFlag	SetLinkOrientation (const Link &theLink, const LinkFlag theOrient)
	Set a new value of orientation of a link already added earlier. It can be used with LF_None to exclude the link from consideration. Returns the old value of orienation. More...
Link	FindLink (const Link &theLink) const
	Find the link stored in algo by value. More...
Standard_Integer	Perform ()
	Does the work. Returns the collection of result codes. More...
Standard_Integer	GetNbLoops () const
	Returns the number of loops in the result. More...
const Loop &	GetLoop (Standard_Integer theIndex) const
	Returns the loop of the given index. More...
Standard_Integer	GetNbHanging () const
	Returns the number of detected hanging chains. More...
void	GetHangingLinks (ListOfLink &theLinks) const
	Fills in the list of hanging links. More...

Protected Member Functions
virtual Standard_Integer	chooseLeftWay (const Standard_Integer theNode, const Standard_Integer theSegIndex, const NCollection_List< Standard_Integer > &theLstIndS) const =0
const Helper *	getHelper () const
Link	getLink (const Standard_Integer theSegIndex) const

Detailed Description

Make loops from a set of connected links. A link is represented by a pair of integer indices of nodes.

Member Typedef Documentation

ListOfLink

typedef NCollection_List<Link> Poly_MakeLoops::ListOfLink

Loop

typedef ListOfLink Poly_MakeLoops::Loop

Member Enumeration Documentation

LinkFlag

enum Poly_MakeLoops::LinkFlag

Orientation flags that can be attached to a link.

Enumerator
LF_None
LF_Fwd
LF_Rev
LF_Both
LF_Reversed

ResultCode

enum Poly_MakeLoops::ResultCode

Enumerator
RC_LoopsDone
RC_HangingLinks
RC_Failure

Constructor & Destructor Documentation

Poly_MakeLoops()

Poly_MakeLoops::Poly_MakeLoops	(	const Helper *	theHelper,
		const Handle< NCollection_BaseAllocator > &	theAlloc = 0L
	)

Constructor. If helper is NULL then the algorithm will probably return a wrong result.

Member Function Documentation

AddLink()

void Poly_MakeLoops::AddLink

(

const Link &

theLink

)

Adds a link to the set. theOrient defines which orientations of the link are allowed.

chooseLeftWay()

virtual Standard_Integer Poly_MakeLoops::chooseLeftWay ( const Standard_Integer  theNode, const Standard_Integer  theSegIndex, const NCollection_List< Standard_Integer > &  theLstIndS  ) const

protectedpure virtual

Implemented in Poly_MakeLoops2D, and Poly_MakeLoops3D.

FindLink()

Link Poly_MakeLoops::FindLink

(

const Link &

theLink

)

const

Find the link stored in algo by value.

GetHangingLinks()

void Poly_MakeLoops::GetHangingLinks

(

ListOfLink &

theLinks

)

const

Fills in the list of hanging links.

getHelper()

const Helper* Poly_MakeLoops::getHelper ( ) const

inlineprotected

getLink()

Link Poly_MakeLoops::getLink ( const Standard_Integer  theSegIndex ) const

inlineprotected

GetLoop()

const Loop& Poly_MakeLoops::GetLoop ( Standard_Integer  theIndex ) const

inline

Returns the loop of the given index.

GetNbHanging()

Standard_Integer Poly_MakeLoops::GetNbHanging ( ) const

inline

Returns the number of detected hanging chains.

GetNbLoops()

Standard_Integer Poly_MakeLoops::GetNbLoops ( ) const

inline

Returns the number of loops in the result.

Perform()

Standard_Integer Poly_MakeLoops::Perform

(

)

Does the work. Returns the collection of result codes.

ReplaceLink()

void Poly_MakeLoops::ReplaceLink	(	const Link &	theLink,
		const Link &	theNewLink
	)

Replace one link with another (e.g. to change order of nodes)

Reset()

void Poly_MakeLoops::Reset	(	const Helper *	theHelper,
		const Handle< NCollection_BaseAllocator > &	theAlloc = 0L
	)

It is to reset the algorithm to the initial state.

SetLinkOrientation()

LinkFlag Poly_MakeLoops::SetLinkOrientation	(	const Link &	theLink,
		const LinkFlag	theOrient
	)

Set a new value of orientation of a link already added earlier. It can be used with LF_None to exclude the link from consideration. Returns the old value of orienation.

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The documentation for this class was generated from the following file:

• Poly_MakeLoops.hxx