BRepExtrema_DistShapeShape Class Reference

This class provides tools to compute minimum distance between two Shapes (Compound,CompSolid, Solid, Shell, Face, Wire, Edge, Vertex). More...

#include <BRepExtrema_DistShapeShape.hxx>

Public Member Functions
	BRepExtrema_DistShapeShape ()
	create empty tool
	BRepExtrema_DistShapeShape (const TopoDS_Shape &Shape1, const TopoDS_Shape &Shape2, const Extrema_ExtFlag F=Extrema_ExtFlag_MINMAX, const Extrema_ExtAlgo A=Extrema_ExtAlgo_Grad, const Message_ProgressRange &theRange=Message_ProgressRange())
	create tool and computation of the minimum distance (value and pair of points) using default deflection in single thread mode. Default deflection value is Precision::Confusion().
	BRepExtrema_DistShapeShape (const TopoDS_Shape &Shape1, const TopoDS_Shape &Shape2, const Standard_Real theDeflection, const Extrema_ExtFlag F=Extrema_ExtFlag_MINMAX, const Extrema_ExtAlgo A=Extrema_ExtAlgo_Grad, const Message_ProgressRange &theRange=Message_ProgressRange())
	create tool and computation of the minimum distance (value and pair of points) in single thread mode. Default deflection value is Precision::Confusion().
void	SetDeflection (const Standard_Real theDeflection)
	Sets deflection to computation of the minimum distance
void	LoadS1 (const TopoDS_Shape &Shape1)
	load first shape into extrema
void	LoadS2 (const TopoDS_Shape &Shape1)
	load second shape into extrema
Standard_Boolean	Perform (const Message_ProgressRange &theRange=Message_ProgressRange())
	computation of the minimum distance (value and couple of points). Parameter theDeflection is used to specify a maximum deviation of extreme distances from the minimum one. Returns IsDone status. theRange - the progress indicator of algorithm
Standard_Boolean	IsDone () const
	True if the minimum distance is found.
Standard_Integer	NbSolution () const
	Returns the number of solutions satisfying the minimum distance.
Standard_Real	Value () const
	Returns the value of the minimum distance.
Standard_Boolean	InnerSolution () const
	True if one of the shapes is a solid and the other shape is completely or partially inside the solid.
const gp_Pnt &	PointOnShape1 (const Standard_Integer N) const
	Returns the Point corresponding to the <N>th solution on the first Shape
const gp_Pnt &	PointOnShape2 (const Standard_Integer N) const
	Returns the Point corresponding to the <N>th solution on the second Shape
BRepExtrema_SupportType	SupportTypeShape1 (const Standard_Integer N) const
	gives the type of the support where the Nth solution on the first shape is situated: IsVertex => the Nth solution on the first shape is a Vertex IsOnEdge => the Nth soluion on the first shape is on a Edge IsInFace => the Nth solution on the first shape is inside a face the corresponding support is obtained by the method SupportOnShape1
BRepExtrema_SupportType	SupportTypeShape2 (const Standard_Integer N) const
	gives the type of the support where the Nth solution on the second shape is situated: IsVertex => the Nth solution on the second shape is a Vertex IsOnEdge => the Nth soluion on the secondt shape is on a Edge IsInFace => the Nth solution on the second shape is inside a face the corresponding support is obtained by the method SupportOnShape2
TopoDS_Shape	SupportOnShape1 (const Standard_Integer N) const
	gives the support where the Nth solution on the first shape is situated. This support can be a Vertex, an Edge or a Face.
TopoDS_Shape	SupportOnShape2 (const Standard_Integer N) const
	gives the support where the Nth solution on the second shape is situated. This support can be a Vertex, an Edge or a Face.
void	ParOnEdgeS1 (const Standard_Integer N, Standard_Real &t) const
	gives the corresponding parameter t if the Nth solution is situated on an Edge of the first shape
void	ParOnEdgeS2 (const Standard_Integer N, Standard_Real &t) const
	gives the corresponding parameter t if the Nth solution is situated on an Edge of the first shape
void	ParOnFaceS1 (const Standard_Integer N, Standard_Real &u, Standard_Real &v) const
	gives the corresponding parameters (U,V) if the Nth solution is situated on an face of the first shape
void	ParOnFaceS2 (const Standard_Integer N, Standard_Real &u, Standard_Real &v) const
	gives the corresponding parameters (U,V) if the Nth solution is situated on an Face of the second shape
void	Dump (Standard_OStream &o) const
	Prints on the stream o information on the current state of the object.
void	SetFlag (const Extrema_ExtFlag F)
	Sets unused parameter Obsolete.
void	SetAlgo (const Extrema_ExtAlgo A)
	Sets unused parameter Obsolete.
void	SetMultiThread (Standard_Boolean theIsMultiThread)
	If isMultiThread == Standard_True then computation will be performed in parallel.
Standard_Boolean	IsMultiThread () const
	Returns Standard_True then computation will be performed in parallel Default value is Standard_False.

Detailed Description

This class provides tools to compute minimum distance between two Shapes (Compound,CompSolid, Solid, Shell, Face, Wire, Edge, Vertex).

Constructor & Destructor Documentation

BRepExtrema_DistShapeShape() [1/3]

BRepExtrema_DistShapeShape::BRepExtrema_DistShapeShape

(

)

create empty tool

BRepExtrema_DistShapeShape() [2/3]

BRepExtrema_DistShapeShape::BRepExtrema_DistShapeShape	(	const TopoDS_Shape &	Shape1,
		const TopoDS_Shape &	Shape2,
		const Extrema_ExtFlag	F = Extrema_ExtFlag_MINMAX,
		const Extrema_ExtAlgo	A = Extrema_ExtAlgo_Grad,
		const Message_ProgressRange &	theRange = Message_ProgressRange() )

create tool and computation of the minimum distance (value and pair of points) using default deflection in single thread mode.
Default deflection value is Precision::Confusion().

Parameters

Shape1	- the first shape for distance computation
Shape2	- the second shape for distance computation
F	and
A	are not used in computation and are obsolete.
theRange	- the progress indicator of algorithm

BRepExtrema_DistShapeShape() [3/3]

BRepExtrema_DistShapeShape::BRepExtrema_DistShapeShape	(	const TopoDS_Shape &	Shape1,
		const TopoDS_Shape &	Shape2,
		const Standard_Real	theDeflection,
		const Extrema_ExtFlag	F = Extrema_ExtFlag_MINMAX,
		const Extrema_ExtAlgo	A = Extrema_ExtAlgo_Grad,
		const Message_ProgressRange &	theRange = Message_ProgressRange() )

create tool and computation of the minimum distance (value and pair of points) in single thread mode.
Default deflection value is Precision::Confusion().

Parameters

Shape1	- the first shape for distance computation
Shape2	- the second shape for distance computation
theDeflection	- the presition of distance computation
F	and
A	are not used in computation and are obsolete.
theRange	- the progress indicator of algorithm

Member Function Documentation

Dump()

void BRepExtrema_DistShapeShape::Dump

(

Standard_OStream &

o

)

const

Prints on the stream o information on the current state of the object.

InnerSolution()

Standard_Boolean BRepExtrema_DistShapeShape::InnerSolution ( ) const

inline

True if one of the shapes is a solid and the other shape
is completely or partially inside the solid.

IsDone()

Standard_Boolean BRepExtrema_DistShapeShape::IsDone ( ) const

inline

True if the minimum distance is found.

IsMultiThread()

Standard_Boolean BRepExtrema_DistShapeShape::IsMultiThread ( ) const

inline

Returns Standard_True then computation will be performed in parallel Default value is Standard_False.

LoadS1()

void BRepExtrema_DistShapeShape::LoadS1

(

const TopoDS_Shape &

Shape1

)

load first shape into extrema

LoadS2()

void BRepExtrema_DistShapeShape::LoadS2

(

const TopoDS_Shape &

Shape1

)

load second shape into extrema

NbSolution()

Standard_Integer BRepExtrema_DistShapeShape::NbSolution ( ) const

inline

Returns the number of solutions satisfying the minimum distance.

ParOnEdgeS1()

void BRepExtrema_DistShapeShape::ParOnEdgeS1	(	const Standard_Integer	N,
		Standard_Real &	t ) const

gives the corresponding parameter t if the Nth solution
is situated on an Edge of the first shape

ParOnEdgeS2()

void BRepExtrema_DistShapeShape::ParOnEdgeS2	(	const Standard_Integer	N,
		Standard_Real &	t ) const

gives the corresponding parameter t if the Nth solution
is situated on an Edge of the first shape

ParOnFaceS1()

void BRepExtrema_DistShapeShape::ParOnFaceS1	(	const Standard_Integer	N,
		Standard_Real &	u,
		Standard_Real &	v ) const

gives the corresponding parameters (U,V) if the Nth solution
is situated on an face of the first shape

ParOnFaceS2()

void BRepExtrema_DistShapeShape::ParOnFaceS2	(	const Standard_Integer	N,
		Standard_Real &	u,
		Standard_Real &	v ) const

gives the corresponding parameters (U,V) if the Nth solution
is situated on an Face of the second shape

Perform()

Standard_Boolean BRepExtrema_DistShapeShape::Perform

(

const Message_ProgressRange &

theRange = Message_ProgressRange()

)

computation of the minimum distance (value and
couple of points). Parameter theDeflection is used
to specify a maximum deviation of extreme distances
from the minimum one.
Returns IsDone status.
theRange - the progress indicator of algorithm

PointOnShape1()

const gp_Pnt & BRepExtrema_DistShapeShape::PointOnShape1 ( const Standard_Integer N ) const

inline

Returns the Point corresponding to the <N>th solution on the first Shape

PointOnShape2()

const gp_Pnt & BRepExtrema_DistShapeShape::PointOnShape2 ( const Standard_Integer N ) const

inline

Returns the Point corresponding to the <N>th solution on the second Shape

SetAlgo()

void BRepExtrema_DistShapeShape::SetAlgo ( const Extrema_ExtAlgo A )

inline

Sets unused parameter Obsolete.

SetDeflection()

void BRepExtrema_DistShapeShape::SetDeflection ( const Standard_Real theDeflection )

inline

Sets deflection to computation of the minimum distance

SetFlag()

void BRepExtrema_DistShapeShape::SetFlag ( const Extrema_ExtFlag F )

inline

Sets unused parameter Obsolete.

SetMultiThread()

void BRepExtrema_DistShapeShape::SetMultiThread ( Standard_Boolean theIsMultiThread )

inline

If isMultiThread == Standard_True then computation will be performed in parallel.

SupportOnShape1()

TopoDS_Shape BRepExtrema_DistShapeShape::SupportOnShape1

(

const Standard_Integer

N

)

const

gives the support where the Nth solution on the first shape is situated.
This support can be a Vertex, an Edge or a Face.

SupportOnShape2()

TopoDS_Shape BRepExtrema_DistShapeShape::SupportOnShape2

(

const Standard_Integer

N

)

const

gives the support where the Nth solution on the second shape is situated.
This support can be a Vertex, an Edge or a Face.

SupportTypeShape1()

BRepExtrema_SupportType BRepExtrema_DistShapeShape::SupportTypeShape1 ( const Standard_Integer N ) const

inline

gives the type of the support where the Nth solution on the first shape is situated:
IsVertex => the Nth solution on the first shape is a Vertex
IsOnEdge => the Nth soluion on the first shape is on a Edge
IsInFace => the Nth solution on the first shape is inside a face
the corresponding support is obtained by the method SupportOnShape1

SupportTypeShape2()

BRepExtrema_SupportType BRepExtrema_DistShapeShape::SupportTypeShape2 ( const Standard_Integer N ) const

inline

gives the type of the support where the Nth solution on the second shape is situated:
IsVertex => the Nth solution on the second shape is a Vertex
IsOnEdge => the Nth soluion on the secondt shape is on a Edge
IsInFace => the Nth solution on the second shape is inside a face
the corresponding support is obtained by the method SupportOnShape2

Value()

Standard_Real BRepExtrema_DistShapeShape::Value

(

)

const

Returns the value of the minimum distance.

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

• BRepExtrema_DistShapeShape.hxx