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occt/src/BRepExtrema/BRepExtrema_ExtFF.hxx
2021-10-12 20:11:16 +03:00

93 lines
2.9 KiB
C++

// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
#ifndef _BRepExtrema_ExtFF_HeaderFile
#define _BRepExtrema_ExtFF_HeaderFile
#include <Extrema_ExtSS.hxx>
#include <TColStd_SequenceOfReal.hxx>
#include <Extrema_SequenceOfPOnSurf.hxx>
#include <BRepAdaptor_Surface.hxx>
#include <Extrema_POnSurf.hxx>
#include <Standard_DefineAlloc.hxx>
class TopoDS_Face;
class BRepExtrema_ExtFF
{
public:
DEFINE_STANDARD_ALLOC
BRepExtrema_ExtFF()
{
}
//! It calculates all the distances. <br>
Standard_EXPORT BRepExtrema_ExtFF(const TopoDS_Face& F1,const TopoDS_Face& F2);
Standard_EXPORT void Initialize(const TopoDS_Face& F2) ;
//! An exception is raised if the fields have not been initialized. <br>
//! Be careful: this method uses the Face F2 only for classify, not for the fields. <br>
Standard_EXPORT void Perform(const TopoDS_Face& F1,const TopoDS_Face& F2);
//! True if the distances are found. <br>
Standard_Boolean IsDone() const
{
return myExtSS.IsDone();
}
//! Returns True if the surfaces are parallel. <br>
Standard_Boolean IsParallel() const
{
return myExtSS.IsParallel();
}
//! Returns the number of extremum distances. <br>
Standard_Integer NbExt() const
{
return mySqDist.Length();
}
//! Returns the value of the <N>th extremum square distance. <br>
Standard_Real SquareDistance(const Standard_Integer N) const
{
return mySqDist.Value(N);
}
//! Returns the parameters on the Face F1 of the <N>th extremum distance. <br>
void ParameterOnFace1(const Standard_Integer N,Standard_Real& U,Standard_Real& V) const
{
myPointsOnS1.Value(N).Parameter(U, V);
}
//! Returns the parameters on the Face F2 of the <N>th extremum distance. <br>
void ParameterOnFace2(const Standard_Integer N,Standard_Real& U,Standard_Real& V) const
{
myPointsOnS2.Value(N).Parameter(U, V);
}
//! Returns the Point of the <N>th extremum distance. <br>
gp_Pnt PointOnFace1(const Standard_Integer N) const
{
return myPointsOnS1.Value(N).Value();
}
//! Returns the Point of the <N>th extremum distance. <br>
gp_Pnt PointOnFace2(const Standard_Integer N) const
{
return myPointsOnS2.Value(N).Value();
}
private:
Extrema_ExtSS myExtSS;
TColStd_SequenceOfReal mySqDist;
Extrema_SequenceOfPOnSurf myPointsOnS1;
Extrema_SequenceOfPOnSurf myPointsOnS2;
Handle(BRepAdaptor_Surface) myHS;
};
#endif