Open CASCADE Technology  6.9.0
Public Member Functions

BRepExtrema_DistShapeShape Class Reference

This class provides tools to compute minimum distance
between two Shapes (Compound,CompSolid, Solid, Shell, Face, Wire, Edge, Vertex).
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#include <BRepExtrema_DistShapeShape.hxx>

Public Member Functions

 BRepExtrema_DistShapeShape ()
 create empty tool
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 BRepExtrema_DistShapeShape (const TopoDS_Shape &Shape1, const TopoDS_Shape &Shape2, const Extrema_ExtFlag F=Extrema_ExtFlag_MINMAX, const Extrema_ExtAlgo A=Extrema_ExtAlgo_Grad)
 computation of the minimum distance (value and pair of points) using default deflection
Default value is Precision::Confusion().
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 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)
 create tool and load both shapes into it
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void SetDeflection (const Standard_Real theDeflection)
 
void LoadS1 (const TopoDS_Shape &Shape1)
 load first shape into extrema
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void LoadS2 (const TopoDS_Shape &Shape1)
 load second shape into extrema
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Standard_Boolean Perform ()
 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.
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Standard_Boolean IsDone () const
 True if the minimum distance is found.
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Standard_Integer NbSolution () const
 Returns the number of solutions satisfying the minimum distance.
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Standard_Real Value () const
 Returns the value of the minimum distance.
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Standard_Boolean InnerSolution () const
 True if one of the shapes is a solid and the other shape
is completely or partially inside the solid.
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const gp_PntPointOnShape1 (const Standard_Integer N) const
 Returns the Point corresponding to the <N>th solution on the first Shape
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const gp_PntPointOnShape2 (const Standard_Integer N) const
 Returns the Point corresponding to the <N>th solution on the second Shape
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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
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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
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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.
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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.
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void ParOnEdgeS1 (const Standard_Integer N, Standard_Real &t) const
 gives the corresponding parameter t if the Nth solution
is situated on an Egde of the first shape
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void ParOnEdgeS2 (const Standard_Integer N, Standard_Real &t) const
 gives the corresponding parameter t if the Nth solution
is situated on an Egde of the first shape
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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
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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
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void Dump (Standard_OStream &o) const
 Prints on the stream o information on the current state of the object.
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void SetFlag (const Extrema_ExtFlag F)
 
void SetAlgo (const Extrema_ExtAlgo A)
 

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::BRepExtrema_DistShapeShape ( )

create empty tool

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 
)

computation of the minimum distance (value and pair of points) using default deflection
Default value is Precision::Confusion().

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 
)

create tool and load both shapes into it

Member Function Documentation

void BRepExtrema_DistShapeShape::Dump ( Standard_OStream o) const

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

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.

Standard_Boolean BRepExtrema_DistShapeShape::IsDone ( ) const
inline

True if the minimum distance is found.

void BRepExtrema_DistShapeShape::LoadS1 ( const TopoDS_Shape Shape1)

load first shape into extrema

void BRepExtrema_DistShapeShape::LoadS2 ( const TopoDS_Shape Shape1)

load second shape into extrema

Standard_Integer BRepExtrema_DistShapeShape::NbSolution ( ) const
inline

Returns the number of solutions satisfying the minimum distance.

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 Egde of the first shape

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 Egde of the first shape

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

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

Standard_Boolean BRepExtrema_DistShapeShape::Perform ( )

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.

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

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

void BRepExtrema_DistShapeShape::SetAlgo ( const Extrema_ExtAlgo  A)
inline
void BRepExtrema_DistShapeShape::SetDeflection ( const Standard_Real  theDeflection)
inline
void BRepExtrema_DistShapeShape::SetFlag ( const Extrema_ExtFlag  F)
inline
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.

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.

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

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

Standard_Real BRepExtrema_DistShapeShape::Value ( ) const

Returns the value of the minimum distance.


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