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// Copyright (c) 1993-1999 Matra Datavision
// Copyright (c) 1999-2024 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 _BRepBlend_Walking_HeaderFile
#define _BRepBlend_Walking_HeaderFile
#include <Adaptor3d_Surface.hxx>
#include <BRepBlend_PointOnRst.hxx>
#include <NCollection_Sequence.hxx>
#include <Blend_Point.hxx>
#include <Blend_Status.hxx>
#include <ChFiDS_ElSpine.hxx>
#include <StdFail_NotDone.hxx>
#include <TopAbs_State.hxx>
#include <math_Vector.hxx>
class BRepBlend_Line;
class Adaptor3d_TopolTool;
class StdFail_NotDone;
class Adaptor3d_HVertex;
class BRepBlend_HCurve2dTool;
class Adaptor3d_HSurfaceTool;
class BRepBlend_HCurveTool;
class BRepBlend_BlendTool;
class BRepBlend_PointOnRst;
class BRepBlend_Extremity;
class Blend_Point;
class Blend_Function;
class Blend_FuncInv;
class gp_Pnt;
class gp_Pnt2d;
class IntSurf_Transition;
class BRepBlend_Walking
{
public:
DEFINE_STANDARD_ALLOC
Standard_EXPORT BRepBlend_Walking(const occ::handle<Adaptor3d_Surface>& Surf1,
const occ::handle<Adaptor3d_Surface>& Surf2,
const occ::handle<Adaptor3d_TopolTool>& Domain1,
const occ::handle<Adaptor3d_TopolTool>& Domain2,
const occ::handle<ChFiDS_ElSpine>& HGuide);
//! To define different domains for control and clipping.
Standard_EXPORT void SetDomainsToRecadre(const occ::handle<Adaptor3d_TopolTool>& RecDomain1,
const occ::handle<Adaptor3d_TopolTool>& RecDomain2);
//! To define singular points computed before walking.
Standard_EXPORT void AddSingularPoint(const Blend_Point& P);
Standard_EXPORT void Perform(Blend_Function& F,
Blend_FuncInv& FInv,
const double Pdep,
const double Pmax,
const double MaxStep,
const double Tol3d,
const double TolGuide,
const math_Vector& Soldep,
const double Fleche,
const bool Appro = false);
Standard_EXPORT bool PerformFirstSection(Blend_Function& F,
const double Pdep,
math_Vector& ParDep,
const double Tol3d,
const double TolGuide,
TopAbs_State& Pos1,
TopAbs_State& Pos2);
Standard_EXPORT bool PerformFirstSection(Blend_Function& F,
Blend_FuncInv& FInv,
const double Pdep,
const double Pmax,
const math_Vector& ParDep,
const double Tol3d,
const double TolGuide,
const bool RecOnS1,
const bool RecOnS2,
double& Psol,
math_Vector& ParSol);
Standard_EXPORT bool Continu(Blend_Function& F, Blend_FuncInv& FInv, const double P);
Standard_EXPORT bool Continu(Blend_Function& F,
Blend_FuncInv& FInv,
const double P,
const bool OnS1);
Standard_EXPORT bool Complete(Blend_Function& F, Blend_FuncInv& FInv, const double Pmin);
Standard_EXPORT void ClassificationOnS1(const bool C);
Standard_EXPORT void ClassificationOnS2(const bool C);
Standard_EXPORT void Check2d(const bool C);
Standard_EXPORT void Check(const bool C);
inline bool TwistOnS1() const { return twistflag1; }
inline bool TwistOnS2() const { return twistflag2; }
inline bool IsDone() const { return done; }
inline const occ::handle<BRepBlend_Line>& Line() const
{
if (!done)
{
throw StdFail_NotDone();
}
return line;
}
private:
Standard_EXPORT void InternalPerform(Blend_Function& F, Blend_FuncInv& FInv, const double Bound);
Standard_EXPORT bool CorrectExtremityOnOneRst(const int IndexOfRst,
const double theU,
const double theV,
const double theParam,
const gp_Pnt& thePntOnRst,
double& NewU,
double& NewV,
gp_Pnt& NewPoint,
double& NewParam) const;
Standard_EXPORT int ArcToRecadre(const bool OnFirst,
const math_Vector& Sol,
const int PrevIndex,
gp_Pnt2d& lpt2d,
gp_Pnt2d& pt2d,
double& ponarc);
Standard_EXPORT bool Recadre(Blend_FuncInv& FInv,
const bool OnFirst,
const math_Vector& Sol,
math_Vector& Solrst,
int& Indexsol,
bool& IsVtx,
occ::handle<Adaptor3d_HVertex>& Vtx,
const double Extrap = 0.0);
Standard_EXPORT void Transition(const bool OnFirst,
const occ::handle<Adaptor2d_Curve2d>& A,
const double Param,
IntSurf_Transition& TLine,
IntSurf_Transition& TArc);
Standard_EXPORT void MakeExtremity(BRepBlend_Extremity& Extrem,
const bool OnFirst,
const int Index,
const double Param,
const bool IsVtx,
const occ::handle<Adaptor3d_HVertex>& Vtx);
Standard_EXPORT void MakeSingularExtremity(BRepBlend_Extremity& Extrem,
const bool OnFirst,
const occ::handle<Adaptor3d_HVertex>& Vtx);
Standard_EXPORT Blend_Status CheckDeflection(const bool OnFirst, const Blend_Point& CurPoint);
Standard_EXPORT Blend_Status TestArret(Blend_Function& F,
const Blend_Status State,
const bool TestDeflection = true,
const bool TestSolution = true,
const bool TestLengthStep = false);
Blend_Point previousP;
occ::handle<BRepBlend_Line> line;
math_Vector sol;
NCollection_Sequence<Blend_Point> jalons;
occ::handle<Adaptor3d_Surface> surf1;
occ::handle<Adaptor3d_Surface> surf2;
occ::handle<Adaptor3d_TopolTool> domain1;
occ::handle<Adaptor3d_TopolTool> domain2;
occ::handle<Adaptor3d_TopolTool> recdomain1;
occ::handle<Adaptor3d_TopolTool> recdomain2;
occ::handle<ChFiDS_ElSpine> hguide;
bool ToCorrectOnRst1;
bool ToCorrectOnRst2;
double CorrectedParam;
double tolpoint3d;
double tolgui;
double pasmax;
double fleche;
double param;
double sens;
bool done;
bool rebrou;
bool iscomplete;
bool comptra;
bool clasonS1;
bool clasonS2;
bool check2d;
bool check;
bool twistflag1;
bool twistflag2;
};
#endif // _BRepBlend_Walking_HeaderFile