The groundwork to define constraint attributes.
The constraint attribute contains the following sorts of data:
More...

#include <TDataXtd_Constraint.hxx>

Inheritance diagram for TDataXtd_Constraint:

Public Member Functions
	TDataXtd_Constraint ()

void	Set (const TDataXtd_ConstraintEnum type, const Handle< TNaming_NamedShape > &G1)
	Finds or creates the constraint attribute defined by the topological attribute G1 and the constraint type type. More...

void	Set (const TDataXtd_ConstraintEnum type, const Handle< TNaming_NamedShape > &G1, const Handle< TNaming_NamedShape > &G2)
	Finds or creates the constraint attribute defined by the topological attributes G1 and G2, and by the constraint type type. More...

void	Set (const TDataXtd_ConstraintEnum type, const Handle< TNaming_NamedShape > &G1, const Handle< TNaming_NamedShape > &G2, const Handle< TNaming_NamedShape > &G3)
	Finds or creates the constraint attribute defined by the topological attributes G1, G2 and G3, and by the constraint type type. More...

void	Set (const TDataXtd_ConstraintEnum type, const Handle< TNaming_NamedShape > &G1, const Handle< TNaming_NamedShape > &G2, const Handle< TNaming_NamedShape > &G3, const Handle< TNaming_NamedShape > &G4)
	Finds or creates the constraint attribute defined by the topological attributes G1, G2, G3 and G4, and by the constraint type type. //! methods to read constraint fields ================================= More...

Standard_Boolean	Verified () const
	Returns true if this constraint attribute is valid. By default, true is returned. When the value of a dimension is changed or when a geometry is moved, false is returned until the solver sets it back to true. More...

TDataXtd_ConstraintEnum	GetType () const
	Returns the type of constraint. This will be an element of the TDataXtd_ConstraintEnum enumeration. More...

Standard_Boolean	IsPlanar () const
	Returns true if this constraint attribute is <br> two-dimensional. More...

const Handle_TNaming_NamedShape &	GetPlane () const
	Returns the topological attribute of the plane <br> used for planar - i.e., 2D - constraints. This plane is attached to another label. If the constraint is not planar, in other words, 3D, this function will return a null handle. More...

Standard_Boolean	IsDimension () const
	Returns true if this constraint attribute is a <br> dimension, and therefore has a value. More...

const Handle_TDataStd_Real &	GetValue () const
	Returns the value of a dimension. <br> This value is a reference to a TDataStd_Real attribute. If the attribute is not a dimension, this value will be 0. Use IsDimension to test this condition. More...

Standard_Integer	NbGeometries () const
	Returns the number of geometry attributes in this constraint attribute. This number will be between 1 and 4. More...

Handle_TNaming_NamedShape	GetGeometry (const Standard_Integer Index) const
	Returns the integer index Index used to access <br> the array of the constraint or stored geometries of a dimension Index has a value between 1 and 4. //! methods to write constraint fields (use builder) ================================== More...

void	ClearGeometries ()
	Removes the geometries involved in the <br> constraint or dimension from the array of topological attributes where they are stored. More...

void	SetType (const TDataXtd_ConstraintEnum CTR)
	Finds or creates the type of constraint CTR. More...

void	SetPlane (const Handle< TNaming_NamedShape > &plane)
	Finds or creates the plane of the 2D constraint <br> attribute, defined by the planar topological attribute plane. More...

void	SetValue (const Handle< TDataStd_Real > &V)
	Finds or creates the real number value V of the dimension constraint attribute. More...

void	SetGeometry (const Standard_Integer Index, const Handle< TNaming_NamedShape > &G)
	Finds or creates the underlying geometry of the constraint defined by the topological attribute G and the integer index Index. More...

void	Verified (const Standard_Boolean status)
	Returns true if this constraint attribute defined by status is valid. By default, true is returned. When the value of a dimension is changed or when a geometry is moved, false is returned until the solver sets it back to true. If status is false, Verified is set to false. More...

void	Inverted (const Standard_Boolean status)

Standard_Boolean	Inverted () const

void	Reversed (const Standard_Boolean status)

Standard_Boolean	Reversed () const

const Standard_GUID &	ID () const
	Returns the ID of the attribute. <br> More...

void	Restore (const Handle< TDF_Attribute > &With)
	Restores the backuped contents from <anAttribute> into this one. It is used when aborting a transaction. More...

Handle_TDF_Attribute	NewEmpty () const
	Returns an new empty attribute from the good end type. It is used by the copy algorithm. More...

void	Paste (const Handle< TDF_Attribute > &Into, const Handle< TDF_RelocationTable > &RT) const
	This method is different from the "Copy" one, <br> because it is used when copying an attribute from <br> a source structure into a target structure. This <br> method may paste the contents of <me> into <br> <intoAttribute>. <br> The given pasted attribute can be full or empty of its contents. But don't make a NEW! Just set the contents! It is possible to use <aRelocationTable> to get/set the relocation value of a source attribute. More...

virtual Standard_OStream &	Dump (Standard_OStream &anOS) const
	Dumps the minimum information about <me> on <br> <aStream>. <br> More...

virtual void	References (const Handle< TDF_DataSet > &DS) const
	Adds the first level referenced attributes and labels <br> to <aDataSet>. <br> For this, use the AddLabel or AddAttribute of DataSet. If there is none, do not implement the method. More...

Public Member Functions inherited from TDF_Attribute
const TDF_Label	Label () const
	Returns the label to which the attribute is <br> attached. If the label is not included in a DF, <br> the label is null. See Label. <br> Warning If the label is not included in a data framework, it is null. This function should not be redefined inline. More...

Standard_Integer	Transaction () const
	Returns the transaction index in which the <br> attribute has been created or modified. <br> More...

Standard_Integer	UntilTransaction () const
	Returns the upper transaction index until which the attribute is/was valid. This number may vary. A removed attribute validity range is reduced to its transaction index. More...

Standard_Boolean	IsValid () const
	Returns true if the attribute is valid; i.e. not a <br> backuped or removed one. <br> More...

Standard_Boolean	IsNew () const
	Returns true if the attribute has no backup <br> More...

Standard_Boolean	IsForgotten () const
	Returns true if the attribute forgotten status is <br> set. <br> //! ShortCut Methods concerning associated attributes ================================================= More...

Standard_Boolean	IsAttribute (const Standard_GUID &anID) const
	Returns true if it exists an associated attribute of <me> with <anID> as ID. More...

Standard_Boolean	FindAttribute (const Standard_GUID &anID, Handle< TDF_Attribute > &anAttribute) const
	Finds an associated attribute of <me>, according <br> to <anID>. the returned <anAttribute> is a valid <br> one. The method returns True if found, False <br> otherwise. A removed attribute cannot be found using <br> this method. More...

void	AddAttribute (const Handle< TDF_Attribute > &other) const
	Adds an Attribute <other> to the label of <me>.Raises if there is already one of the same GUID fhan <other>. More...

Standard_Boolean	ForgetAttribute (const Standard_GUID &aguid) const
	Forgets the Attribute of GUID <aguid> associated to the label of <me>. Be carefull that if <me> is the attribute of <guid>, <me> will have a null label after this call. If the attribute doesn't exist returns False. Otherwise returns True. More...

void	ForgetAllAttributes (const Standard_Boolean clearChildren=Standard_True) const
	Forgets all the attributes attached to the label of <me>. Does it on the sub-labels if <clearChildren> is set to true. Of course, this method is compatible with Transaction & Delta mecanisms. Be carefull that if <me> will have a null label after this call More...

virtual void	AfterAddition ()
	Something to do after adding an Attribute to a label. More...

virtual void	BeforeRemoval ()
	Something to do before removing an Attribute from a label. More...

virtual void	BeforeForget ()
	Something to do before forgetting an Attribute to a label. More...

virtual void	AfterResume ()
	Something to do after resuming an Attribute from a label. More...

virtual Standard_Boolean	AfterRetrieval (const Standard_Boolean forceIt=Standard_False)
	Something to do AFTER creation of an attribute by persistent-transient translation. The returned status says if AfterUndo has been performed (true) or if this callback must be called once again further (false). If <forceIt> is set to true, the method MUST perform and return true. Does nothing by default and returns true. More...

virtual Standard_Boolean	BeforeUndo (const Handle< TDF_AttributeDelta > &anAttDelta, const Standard_Boolean forceIt=Standard_False)
	Something to do before applying <anAttDelta>. The returned status says if AfterUndo has been performed (true) or if this callback must be called once again further (false). If <forceIt> is set to true, the method MUST perform and return true. Does nothing by default and returns true. More...

virtual Standard_Boolean	AfterUndo (const Handle< TDF_AttributeDelta > &anAttDelta, const Standard_Boolean forceIt=Standard_False)
	Something to do after applying <anAttDelta>. The returned status says if AfterUndo has been performed (true) or if this callback must be called once again further (false). If <forceIt> is set to true, the method MUST perform and return true. Does nothing by default and returns true. More...

virtual void	BeforeCommitTransaction ()
	A callback. By default does nothing. It is called by TDF_Data::CommitTransaction() method. More...

void	Backup ()
	Backups the attribute. The backuped attribute is <br> flagged "Backuped" and not "Valid". <br> The method does nothing: 1) If the attribute transaction number is equal to the current transaction number (the attribute has already been backuped). 2) If the attribute is not attached to a label. More...

Standard_Boolean	IsBackuped () const
	Returns true if the attribute backup status is <br> set. This status is set/unset by the <br> Backup() method. <br> More...

virtual Handle_TDF_Attribute	BackupCopy () const
	Copies the attribute contents into a new other attribute. It is used by Backup(). More...

virtual Handle_TDF_DeltaOnAddition	DeltaOnAddition () const
	Makes an AttributeDelta because <me> appeared. The only known use of a redefinition of this method is to return a null handle (no delta). More...

virtual Handle_TDF_DeltaOnForget	DeltaOnForget () const
	Makes an AttributeDelta because <me> has been forgotten. More...

virtual Handle_TDF_DeltaOnResume	DeltaOnResume () const
	Makes an AttributeDelta because <me> has been resumed. More...

virtual Handle_TDF_DeltaOnModification	DeltaOnModification (const Handle< TDF_Attribute > &anOldAttribute) const
	Makes a DeltaOnModification between <me> and <anOldAttribute. More...

virtual void	DeltaOnModification (const Handle< TDF_DeltaOnModification > &aDelta)
	Applies a DeltaOnModification to <me>. More...

virtual Handle_TDF_DeltaOnRemoval	DeltaOnRemoval () const
	Makes a DeltaOnRemoval on <me> because <me> has disappeared from the DS. More...

Standard_OStream &	operator<< (Standard_OStream &anOS) const

virtual void	ExtendedDump (Standard_OStream &anOS, const TDF_IDFilter &aFilter, TDF_AttributeIndexedMap &aMap) const
	Dumps the attribute content on <aStream>, using <aMap> like this: if an attribute is not in the map, first put add it to the map and then dump it. Use the map rank instead of dumping each attribute field. More...

void	Forget (const Standard_Integer aTransaction)
	Forgets the attribute. <aTransaction> is the <br> current transaction in which the forget is done. A <br> forgotten attribute is also flagged not "Valid". <br> A forgotten attribute is invisible. Set also the "Valid" status to False. Obvioulsy, DF cannot empty an attribute (this has a semantic signification), but can remove it from the structure. So, a forgotten attribute is NOT an empty one, but a soon DEAD one. Should be private. More...

Public Member Functions inherited from MMgt_TShared
virtual void	Delete () const
	Memory deallocator for transient classes. More...

Public Member Functions inherited from Standard_Transient
	Standard_Transient ()
	Empty constructor. More...

	Standard_Transient (const Standard_Transient &)
	Copy constructor – does nothing. More...

Standard_Transient &	operator= (const Standard_Transient &)
	Assignment operator, needed to avoid copying reference counter. More...

virtual	~Standard_Transient ()
	Destructor must be virtual. More...

virtual void	ShallowDump (Standard_OStream &) const

virtual const Handle_Standard_Type &	DynamicType () const
	Returns a type information object about this object. More...

Standard_Boolean	IsInstance (const Handle_Standard_Type &theType) const
	Returns a true value if this is an instance of Type. More...

Standard_Boolean	IsInstance (const Standard_CString theTypeName) const
	Returns a true value if this is an instance of TypeName. More...

Standard_Boolean	IsKind (const Handle_Standard_Type &theType) const
	Returns true if this is an instance of Type or an instance of any class that inherits from Type. Note that multiple inheritance is not supported by OCCT RTTI mechanism. More...

Standard_Boolean	IsKind (const Standard_CString theTypeName) const
	Returns true if this is an instance of TypeName or an instance of any class that inherits from TypeName. Note that multiple inheritance is not supported by OCCT RTTI mechanism. More...

virtual Handle_Standard_Transient	This () const
	Returns a Handle which references this object. Must never be called to objects created in stack. More...

Standard_Integer	GetRefCount () const
	Get the reference counter of this object. More...

Static Public Member Functions
static const Standard_GUID &	GetID ()
	Returns the GUID for constraints. More...

static Handle_TDataXtd_Constraint	Set (const TDF_Label &label)
	Finds or creates the 2D constraint attribute <br> defined by the planar topological attribute plane and the label label. //! Constraint methods ================== More...

static void	CollectChildConstraints (const TDF_Label &aLabel, TDF_LabelList &TheList)
	collects constraints on Childs for label <aLabel> More...

Additional Inherited Members
Protected Member Functions inherited from TDF_Attribute
	TDF_Attribute ()
	Initializes fields. More...

Detailed Description

The groundwork to define constraint attributes.
The constraint attribute contains the following sorts of data:

Type whether the constraint attribute is a
geometric constraint or a dimension
Value the real number value of a numeric
constraint such as an angle or a radius
Geometries to identify the geometries
underlying the topological attributes which
define the constraint (up to 4)
Plane for 2D constraints.

Constructor & Destructor Documentation

TDataXtd_Constraint::TDataXtd_Constraint ( )

Member Function Documentation

void TDataXtd_Constraint::ClearGeometries ( )

 Removes the geometries involved in the <br>

constraint or dimension from the array of
topological attributes where they are stored.

static void TDataXtd_Constraint::CollectChildConstraints	(	const TDF_Label &	aLabel,
		TDF_LabelList &	TheList
	)

static

collects constraints on Childs for label <aLabel>

virtual Standard_OStream& TDataXtd_Constraint::Dump ( Standard_OStream & anOS ) const

virtual

 Dumps the minimum information about <me> on <br>
     <aStream>. <br>

Reimplemented from TDF_Attribute.

Handle_TNaming_NamedShape TDataXtd_Constraint::GetGeometry ( const Standard_Integer Index ) const

 Returns the integer index Index used to access <br>

the array of the constraint or stored geometries of a dimension
Index has a value between 1 and 4.
//! methods to write constraint fields (use builder)
==================================

static const Standard_GUID& TDataXtd_Constraint::GetID ( )

static

Returns the GUID for constraints.

const Handle_TNaming_NamedShape& TDataXtd_Constraint::GetPlane ( ) const

 Returns the topological attribute of the plane <br>

used for planar - i.e., 2D - constraints.
This plane is attached to another label.
If the constraint is not planar, in other words, 3D,
this function will return a null handle.

TDataXtd_ConstraintEnum TDataXtd_Constraint::GetType ( ) const

Returns the type of constraint.
This will be an element of the
TDataXtd_ConstraintEnum enumeration.

const Handle_TDataStd_Real& TDataXtd_Constraint::GetValue ( ) const

 Returns the value of a dimension. <br>

This value is a reference to a TDataStd_Real attribute.
If the attribute is not a dimension, this value will
be 0. Use IsDimension to test this condition.

const Standard_GUID& TDataXtd_Constraint::ID ( ) const

virtual

 Returns the ID of the attribute. <br>

Implements TDF_Attribute.

void TDataXtd_Constraint::Inverted ( const Standard_Boolean status )

Standard_Boolean TDataXtd_Constraint::Inverted ( ) const

Standard_Boolean TDataXtd_Constraint::IsDimension ( ) const

 Returns true if this constraint attribute is a <br>

dimension, and therefore has a value.

Standard_Boolean TDataXtd_Constraint::IsPlanar ( ) const

    Returns true if this constraint attribute is <br>

two-dimensional.

Standard_Integer TDataXtd_Constraint::NbGeometries ( ) const

Returns the number of geometry attributes in this constraint attribute.
This number will be between 1 and 4.

Handle_TDF_Attribute TDataXtd_Constraint::NewEmpty ( ) const

virtual

Returns an new empty attribute from the good end
type. It is used by the copy algorithm.

Implements TDF_Attribute.

void TDataXtd_Constraint::Paste	(	const Handle< TDF_Attribute > &	intoAttribute,
		const Handle< TDF_RelocationTable > &	aRelocationTable
	)		const

virtual

 This method is different from the "Copy" one, <br>
     because it is used when copying an attribute from <br>
     a source structure into a target structure. This <br>
     method may paste the contents of <me> into <br>
     <intoAttribute>. <br>

The given pasted attribute can be full or empty of
its contents. But don't make a NEW! Just set the
contents!

It is possible to use <aRelocationTable> to
get/set the relocation value of a source
attribute.

Implements TDF_Attribute.

virtual void TDataXtd_Constraint::References ( const Handle< TDF_DataSet > & aDataSet ) const

virtual

 Adds the first level referenced attributes and labels <br>
     to <aDataSet>. <br>

For this, use the AddLabel or AddAttribute of
DataSet.

If there is none, do not implement the method.

Reimplemented from TDF_Attribute.

void TDataXtd_Constraint::Restore ( const Handle< TDF_Attribute > & anAttribute )

virtual

Restores the backuped contents from <anAttribute>
into this one. It is used when aborting a
transaction.

Implements TDF_Attribute.

void TDataXtd_Constraint::Reversed ( const Standard_Boolean status )

Standard_Boolean TDataXtd_Constraint::Reversed ( ) const

static Handle_TDataXtd_Constraint TDataXtd_Constraint::Set ( const TDF_Label & label )

static

  Finds or creates the 2D constraint attribute <br>

defined by the planar topological attribute plane
and the label label.
//! Constraint methods
==================

void TDataXtd_Constraint::Set	(	const TDataXtd_ConstraintEnum	type,
		const Handle< TNaming_NamedShape > &	G1
	)

Finds or creates the constraint attribute defined
by the topological attribute G1 and the constraint type type.

void TDataXtd_Constraint::Set	(	const TDataXtd_ConstraintEnum	type,
		const Handle< TNaming_NamedShape > &	G1,
		const Handle< TNaming_NamedShape > &	G2
	)

Finds or creates the constraint attribute defined
by the topological attributes G1 and G2, and by
the constraint type type.

void TDataXtd_Constraint::Set	(	const TDataXtd_ConstraintEnum	type,
		const Handle< TNaming_NamedShape > &	G1,
		const Handle< TNaming_NamedShape > &	G2,
		const Handle< TNaming_NamedShape > &	G3
	)

Finds or creates the constraint attribute defined
by the topological attributes G1, G2 and G3, and
by the constraint type type.

void TDataXtd_Constraint::Set	(	const TDataXtd_ConstraintEnum	type,
		const Handle< TNaming_NamedShape > &	G1,
		const Handle< TNaming_NamedShape > &	G2,
		const Handle< TNaming_NamedShape > &	G3,
		const Handle< TNaming_NamedShape > &	G4
	)

Finds or creates the constraint attribute defined
by the topological attributes G1, G2, G3 and G4,
and by the constraint type type.
//! methods to read constraint fields
=================================

void TDataXtd_Constraint::SetGeometry	(	const Standard_Integer	Index,
		const Handle< TNaming_NamedShape > &	G
	)

Finds or creates the underlying geometry of the
constraint defined by the topological attribute G
and the integer index Index.

void TDataXtd_Constraint::SetPlane ( const Handle< TNaming_NamedShape > & plane )

 Finds or creates the plane of the 2D constraint <br>

attribute, defined by the planar topological attribute plane.

void TDataXtd_Constraint::SetType ( const TDataXtd_ConstraintEnum CTR )

Finds or creates the type of constraint CTR.

void TDataXtd_Constraint::SetValue ( const Handle< TDataStd_Real > & V )

Finds or creates the real number value V of the dimension constraint attribute.

Standard_Boolean TDataXtd_Constraint::Verified ( ) const

Returns true if this constraint attribute is valid.
By default, true is returned.
When the value of a dimension is changed or
when a geometry is moved, false is returned
until the solver sets it back to true.

void TDataXtd_Constraint::Verified ( const Standard_Boolean status )

Returns true if this constraint attribute defined by status is valid.
By default, true is returned.
When the value of a dimension is changed or
when a geometry is moved, false is returned until
the solver sets it back to true.
If status is false, Verified is set to false.

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

TDataXtd_Constraint.hxx

Public Member Functions

Static Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation