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occt/src/IntTools/IntTools_EdgeEdge.hxx

227 lines
6.6 KiB
C++

// Created by: Eugeny MALTCHIKOV
// Copyright (c) 2013-2014 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 _IntTools_EdgeEdge_HeaderFile
#define _IntTools_EdgeEdge_HeaderFile
#include <Standard.hxx>
#include <Standard_DefineAlloc.hxx>
#include <Standard_Handle.hxx>
#include <TopoDS_Edge.hxx>
#include <BRepAdaptor_Curve.hxx>
#include <Standard_Real.hxx>
#include <IntTools_Range.hxx>
#include <Standard_Boolean.hxx>
#include <Standard_Integer.hxx>
#include <IntTools_SequenceOfCommonPrts.hxx>
#include <IntTools_SequenceOfRanges.hxx>
#include <TopAbs_ShapeEnum.hxx>
class Geom_Curve;
class Bnd_Box;
//! The class provides Edge/Edge intersection algorithm
//! based on the intersection between edges bounding boxes.
class IntTools_EdgeEdge
{
public:
DEFINE_STANDARD_ALLOC
//! Empty constructor
IntTools_EdgeEdge();
//! Destructor
~IntTools_EdgeEdge();
//! Constructor
IntTools_EdgeEdge(const TopoDS_Edge& theEdge1, const TopoDS_Edge& theEdge2);
//! Constructor
IntTools_EdgeEdge(const TopoDS_Edge& theEdge1, const Standard_Real aT11,
const Standard_Real aT12, const TopoDS_Edge& theEdge2,
const Standard_Real aT21, const Standard_Real aT22);
//! Sets the first edge
void SetEdge1(const TopoDS_Edge& theEdge);
//! Sets the first edge and its range
void SetEdge1(const TopoDS_Edge& theEdge, const Standard_Real aT1, const Standard_Real aT2);
//! Sets the range for the first edge
void SetRange1(const IntTools_Range& theRange1);
//! Sets the range for the first edge
void SetRange1(const Standard_Real aT1, const Standard_Real aT2);
//! Sets the second edge
void SetEdge2(const TopoDS_Edge& theEdge);
//! Sets the first edge and its range
void SetEdge2(const TopoDS_Edge& theEdge, const Standard_Real aT1, const Standard_Real aT2);
//! Sets the range for the second edge
void SetRange2(const IntTools_Range& theRange);
//! Sets the range for the second edge
void SetRange2(const Standard_Real aT1, const Standard_Real aT2);
//! Sets the Fuzzy value
void SetFuzzyValue (const Standard_Real theFuzz);
//! Performs the intersection between edges
Standard_EXPORT void Perform();
//! Returns TRUE if common part(s) is(are) found
Standard_Boolean IsDone() const;
//! Returns Fuzzy value
Standard_Real FuzzyValue() const;
//! Returns common parts
const IntTools_SequenceOfCommonPrts& CommonParts() const;
//! Sets the flag myQuickCoincidenceCheck
void UseQuickCoincidenceCheck (const Standard_Boolean bFlag) {
myQuickCoincidenceCheck=bFlag;
}
//! Returns the flag myQuickCoincidenceCheck
Standard_Boolean IsCoincidenceCheckedQuickly () {
return myQuickCoincidenceCheck;
}
protected:
//! Checks the data
void CheckData();
//! Prepares the data
Standard_EXPORT void Prepare();
//! Computes Line/Line intersection.
Standard_EXPORT void ComputeLineLine();
//! Intermediate function
Standard_EXPORT void FindSolutions (IntTools_SequenceOfRanges& theRanges1,
IntTools_SequenceOfRanges& theRanges2, Standard_Boolean& bSplit2);
//! Looking for the exact intersection ranges
Standard_EXPORT void FindSolutions (
const IntTools_Range& theR1, const Bnd_Box& theBox1,
const IntTools_Range& theR2, const Bnd_Box& theBox2,
IntTools_SequenceOfRanges& theRanges1, IntTools_SequenceOfRanges& theRanges2);
//! Merges found solutions
Standard_EXPORT void MergeSolutions (const IntTools_SequenceOfRanges& theRanges1,
const IntTools_SequenceOfRanges& theRanges2, const Standard_Boolean bSplit2);
//! Looking for the range of the edge which is in the box
Standard_EXPORT static Standard_Boolean FindParameters(const BRepAdaptor_Curve& theBAC,
const Standard_Real aT1, const Standard_Real aT2, const Standard_Real theTol,
const Standard_Real theRes, const Standard_Real thePTol,
const Standard_Real theResCoeff, const Bnd_Box& theCBox,
Standard_Real& aTB1, Standard_Real& aTB2);
//! Checks if edges coincide on the ranges
Standard_EXPORT Standard_Integer CheckCoincidence (const Standard_Real aT11,
const Standard_Real aT12, const Standard_Real aT21, const Standard_Real aT22,
const Standard_Real theCriteria, const Standard_Real theCurveRes1);
//! Adds common part of the given type to myCommonParts
Standard_EXPORT void AddSolution (const Standard_Real aT11, const Standard_Real aT12,
const Standard_Real aT21, const Standard_Real aT22, const TopAbs_ShapeEnum theType);
//! Looking for the minimal distance between edges on the ranges
Standard_EXPORT void FindBestSolution (const Standard_Real aT11, const Standard_Real aT12,
const Standard_Real aT21, const Standard_Real aT22,
Standard_Real& aT1, Standard_Real& aT2);
//! Checks is there an intersection between edges on the given ranges
//! (for nearly conicident edges)
Standard_EXPORT Standard_Boolean IsIntersection (const Standard_Real aT11,
const Standard_Real aT12, const Standard_Real aT21, const Standard_Real aT22);
//! Checks if the edges are coincident really.
Standard_EXPORT Standard_Boolean IsCoincident();
TopoDS_Edge myEdge1;
TopoDS_Edge myEdge2;
Handle(Geom_Curve) myGeom1;
Handle(Geom_Curve) myGeom2;
BRepAdaptor_Curve myCurve1;
BRepAdaptor_Curve myCurve2;
Standard_Real myTol1;
Standard_Real myTol2;
Standard_Real myTol;
Standard_Real myFuzzyValue;
Standard_Real myRes1;
Standard_Real myRes2;
Standard_Real myResCoeff1;
Standard_Real myResCoeff2;
Standard_Real myPTol1;
Standard_Real myPTol2;
IntTools_Range myRange1;
IntTools_Range myRange2;
Standard_Boolean mySwap;
Standard_Integer myErrorStatus;
IntTools_SequenceOfCommonPrts myCommonParts;
//! Allows avoiding use Edge-Edge intersection
//! algorithm (i.e. speeding up the Boolean algorithm)
//! if the edges are coincided really.
//! If it is not evidently set of this flag should
//! be avoided (otherwise, the performance of
//! Boolean algorithm will be slower).
Standard_Boolean myQuickCoincidenceCheck;
private:
};
#include <IntTools_EdgeEdge.lxx>
#endif // _IntTools_EdgeEdge_HeaderFile