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0032644: Modeling Algorithms - Empty result of section operation

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Use distance criteria additionally to parameter criteria when verifying the extrema solution to belong to the edge boundary.
Refactor the BRepExtrema_DistanceSS class to remove the excessive methods with mirrored parameters.
This commit is contained in:
emv
2021-10-28 11:07:05 +03:00
committed by smoskvin
parent f32cb549d8
commit bcecb5832b
4 changed files with 625 additions and 828 deletions
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1266
src/BRepExtrema/BRepExtrema_DistanceSS.cxx
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161
src/BRepExtrema/BRepExtrema_DistanceSS.hxx
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@@ -26,111 +26,116 @@ class TopoDS_Vertex;
class TopoDS_Edge;
class TopoDS_Face;
//! This class allows to compute minimum distance between two shapes <br>
//! (face edge vertex) and is used in DistShapeShape class. <br>
//! This class allows to compute minimum distance between two brep shapes
//! (face edge vertex) and is used in DistShapeShape class.
class BRepExtrema_DistanceSS
{
public:
public:
DEFINE_STANDARD_ALLOC
//! computes the distance between two Shapes ( face edge vertex). <br>
BRepExtrema_DistanceSS(const TopoDS_Shape& S1, const TopoDS_Shape& S2,
const Bnd_Box& B1, const Bnd_Box& B2,
const Standard_Real DstRef,
const Extrema_ExtFlag F = Extrema_ExtFlag_MINMAX,
const Extrema_ExtAlgo A = Extrema_ExtAlgo_Grad)
: myDstRef(DstRef), myModif(Standard_False), myEps(Precision::Confusion()), myFlag(F), myAlgo(A)
public: //! @name Constructor from two shapes
//! Computes the distance between two Shapes (face edge vertex).
//! @param theS1 - First shape
//! @param theS2 - Second shape
//! @param theBox1 - Bounding box of first shape
//! @param theBox2 - Bounding box of second shape
//! @param theDstRef - Initial distance between the shapes to start with
//! @param theDeflection - Maximum deviation of extreme distances from the minimum
//! one (default is Precision::Confusion()).
//! @param theExtFlag - Specifies which extrema solutions to look for
//! (default is MINMAX, applied only to point-face extrema)
//! @param theExtAlgo - Specifies which extrema algorithm is to be used
//! (default is Grad algo, applied only to point-face extrema)
BRepExtrema_DistanceSS(const TopoDS_Shape& theS1, const TopoDS_Shape& theS2,
const Bnd_Box& theBox1, const Bnd_Box& theBox2,
const Standard_Real theDstRef,
const Standard_Real theDeflection = Precision::Confusion(),
const Extrema_ExtFlag theExtFlag = Extrema_ExtFlag_MINMAX,
const Extrema_ExtAlgo theExtAlgo = Extrema_ExtAlgo_Grad)
:
myDstRef(theDstRef),
myModif(Standard_False),
myEps(theDeflection),
myFlag(theExtFlag),
myAlgo(theExtAlgo)
{
Perform(S1, S2, B1, B2);
Perform(theS1, theS2, theBox1, theBox2);
}
//! computes the distance between two Shapes ( face edge vertex). <br>
//! Parameter theDeflection is used to specify a maximum deviation <br>
//! of extreme distances from the minimum one. <br>
//! Default value is Precision::Confusion(). <br>
BRepExtrema_DistanceSS(const TopoDS_Shape& S1, const TopoDS_Shape& S2,
const Bnd_Box& B1, const Bnd_Box& B2,
const Standard_Real DstRef, const Standard_Real aDeflection,
const Extrema_ExtFlag F = Extrema_ExtFlag_MINMAX,
const Extrema_ExtAlgo A = Extrema_ExtAlgo_Grad)
: myDstRef(DstRef), myModif(Standard_False), myEps(aDeflection), myFlag(F), myAlgo(A)
{
Perform(S1, S2, B1, B2);
}
//! True if the distance has been computed <br>
public: //! @name Results
//! Returns true if the distance has been computed, false otherwise.
Standard_Boolean IsDone() const
{
return myModif;
}
//! returns the distance value <br>
//! Returns the distance value.
Standard_Real DistValue() const
{
return myDstRef;
}
//! returns the list of solutions on the first shape <br>
//! Returns the list of solutions on the first shape.
const BRepExtrema_SeqOfSolution& Seq1Value() const
{
return SeqSolShape1;
return mySeqSolShape1;
}
//! returns the list of solutions on the second shape <br>
//! Returns the list of solutions on the second shape.
const BRepExtrema_SeqOfSolution& Seq2Value() const
{
return SeqSolShape2;
}
//! sets the flag controlling minimum and maximum search
void SetFlag(const Extrema_ExtFlag F)
{
myFlag = F;
}
//! sets the flag controlling ...
void SetAlgo(const Extrema_ExtAlgo A)
{
myAlgo = A;
return mySeqSolShape2;
}
private:
private: //! @name private methods performing the search
//! computes the distance between two Shapes ( face edge vertex) <br>
Standard_EXPORT void Perform(const TopoDS_Shape& S1,const TopoDS_Shape& S2,const Bnd_Box& B1,const Bnd_Box& B2);
//! Computes the distance between two Shapes (face edge vertex).
//! General method to sort out the shape types and call the specific method.
Standard_EXPORT void Perform(const TopoDS_Shape& theS1, const TopoDS_Shape& theS2,
const Bnd_Box& theBox1, const Bnd_Box& theBox2);
//! computes the distance between two vertices <br>
void Perform(const TopoDS_Vertex& S1,const TopoDS_Vertex& S2);
//! computes the minimum distance between a vertex and an edge <br>
void Perform(const TopoDS_Vertex& S1,const TopoDS_Edge& S2,const Bnd_Box& B1,const Bnd_Box& B2);
//! computes the minimum distance between a vertex and a face <br>
void Perform(const TopoDS_Vertex& S1,const TopoDS_Face& S2,const Bnd_Box& B1,const Bnd_Box& B2);
//! Computes the distance between two vertices.
void Perform(const TopoDS_Vertex& S1, const TopoDS_Vertex& S2,
BRepExtrema_SeqOfSolution& theSeqSolShape1,
BRepExtrema_SeqOfSolution& theSeqSolShape2);
//! computes the minimum distance between an edge and a vertex <br>
void Perform(const TopoDS_Edge& S1,const TopoDS_Vertex& S2,const Bnd_Box& B1,const Bnd_Box& B2);
/*{
Perform(S2, S1, B2, B1);
}*/
//! computes the minimum distance between two edges <br>
void Perform(const TopoDS_Edge& S1,const TopoDS_Edge& S2,const Bnd_Box& B1,const Bnd_Box& B2);
//! computes the minimum distance an edge and a face <br>
void Perform(const TopoDS_Edge& S1,const TopoDS_Face& S2,const Bnd_Box& B1,const Bnd_Box& B2);
//! Computes the minimum distance between a vertex and an edge.
void Perform(const TopoDS_Vertex& theS1, const TopoDS_Edge& theS2,
BRepExtrema_SeqOfSolution& theSeqSolShape1,
BRepExtrema_SeqOfSolution& theSeqSolShape2);
//! computes the minimum distance betwwen a face and a vertex <br>
void Perform(const TopoDS_Face& S1,const TopoDS_Vertex& S2,const Bnd_Box& B1,const Bnd_Box& B2);
/*{
Perform(S2, S1, B2, B1);
}*/
//! computes the minimum distance between a face and an edge <br>
void Perform(const TopoDS_Face& S1,const TopoDS_Edge& S2,const Bnd_Box& B1,const Bnd_Box& B2);
/*{
Perform(S2, S1, B2, B1);
}*/
//! computes the minimum distance between two faces <br>
void Perform(const TopoDS_Face& S1,const TopoDS_Face& S2,const Bnd_Box& B1,const Bnd_Box& B2);
//! Computes the minimum distance between a vertex and a face.
void Perform(const TopoDS_Vertex& theS1, const TopoDS_Face& theS2,
BRepExtrema_SeqOfSolution& theSeqSolShape1,
BRepExtrema_SeqOfSolution& theSeqSolShape2);
BRepExtrema_SeqOfSolution SeqSolShape1;
BRepExtrema_SeqOfSolution SeqSolShape2;
Standard_Real myDstRef;
Standard_Boolean myModif;
Standard_Real myEps;
Extrema_ExtFlag myFlag;
Extrema_ExtAlgo myAlgo;
//! Computes the minimum distance between two edges.
void Perform(const TopoDS_Edge& theS1, const TopoDS_Edge& theS2,
BRepExtrema_SeqOfSolution& theSeqSolShape1,
BRepExtrema_SeqOfSolution& theSeqSolShape2);
//! Computes the minimum distance between an edge and a face.
void Perform(const TopoDS_Edge& theS1, const TopoDS_Face& theS2,
BRepExtrema_SeqOfSolution& theSeqSolShape1,
BRepExtrema_SeqOfSolution& theSeqSolShape2);
//! Computes the minimum distance between two faces.
void Perform(const TopoDS_Face& theS1, const TopoDS_Face& theS2,
BRepExtrema_SeqOfSolution& theSeqSolShape1,
BRepExtrema_SeqOfSolution& theSeqSolShape2);
private: //! @name Fields
BRepExtrema_SeqOfSolution mySeqSolShape1; //!< Solutions on the first shape
BRepExtrema_SeqOfSolution mySeqSolShape2; //!< Solutions on the second shape
Standard_Real myDstRef; //!< The minimal distance found
Standard_Boolean myModif; //!< Flag indicating whether the solution was improved or not
Standard_Real myEps; //!< Deflection
Extrema_ExtFlag myFlag; //!< Extrema flag indicating what solutions to look for
Extrema_ExtAlgo myAlgo; //!< Extrema algo to be used to look for solutions
};
#endif