1 // Created on: 1997-01-23 2 // Created by: Laurent BOURESCHE 3 // Copyright (c) 1997-1999 Matra Datavision 4 // Copyright (c) 1999-2014 OPEN CASCADE SAS 5 // 6 // This file is part of Open CASCADE Technology software library. 7 // 8 // This library is free software; you can redistribute it and/or modify it under 9 // the terms of the GNU Lesser General Public License version 2.1 as published 10 // by the Free Software Foundation, with special exception defined in the file 11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT 12 // distribution for complete text of the license and disclaimer of any warranty. 13 // 14 // Alternatively, this file may be used under the terms of Open CASCADE 15 // commercial license or contractual agreement. 16 17 #ifndef _BRepBlend_RstRstLineBuilder_HeaderFile 18 #define _BRepBlend_RstRstLineBuilder_HeaderFile 19 20 #include <Adaptor3d_Surface.hxx> 21 #include <math_Vector.hxx> 22 #include <Blend_Point.hxx> 23 #include <Blend_DecrochStatus.hxx> 24 #include <Blend_Status.hxx> 25 #include <TopAbs_State.hxx> 26 27 class BRepBlend_Line; 28 class Adaptor3d_TopolTool; 29 class Blend_RstRstFunction; 30 class Blend_SurfCurvFuncInv; 31 class Blend_CurvPointFuncInv; 32 class Adaptor3d_HVertex; 33 class IntSurf_Transition; 34 class BRepBlend_Extremity; 35 36 37 //! This class processes the data resulting from 38 //! Blend_CSWalking but it takes in consideration the Surface 39 //! supporting the curve to detect the breakpoint. 40 //! 41 //! As a result, the criteria of distribution of 42 //! points on the line become more flexible because it 43 //! should calculate values approached 44 //! by an approximation of continued functions based on the 45 //! Blend_RstRstFunction. 46 //! 47 //! Thus this pseudo path necessitates 3 criteria of 48 //! regrouping : 49 //! 50 //! 1) exit of the domain of the curve 51 //! 52 //! 2) exit of the domain of the surface 53 //! 54 //! 3) stall as there is a solution of problem 55 //! surf/surf within the domain of the surface 56 //! of support of the restriction. 57 //! 58 //! Construction of a BRepBlend_Line between two pcurves 59 //! from an approached starting solution. The output 60 //! entries of this builder are of the same nature 61 //! as of a traditional walking, but the requirements 62 //! to the Line are not the same. If the determination of validity range is always 63 //! guaranteed, the criteria of correct repartition of sections 64 //! before smoothing are not respected. The resulting Line 65 //! is f(t) oriented. 66 class BRepBlend_RstRstLineBuilder 67 { 68 public: 69 70 DEFINE_STANDARD_ALLOC 71 72 73 Standard_EXPORT BRepBlend_RstRstLineBuilder(const Handle(Adaptor3d_Surface)& Surf1, const Handle(Adaptor2d_Curve2d)& Rst1, const Handle(Adaptor3d_TopolTool)& Domain1, const Handle(Adaptor3d_Surface)& Surf2, const Handle(Adaptor2d_Curve2d)& Rst2, const Handle(Adaptor3d_TopolTool)& Domain2); 74 75 Standard_EXPORT void Perform (Blend_RstRstFunction& Func, Blend_SurfCurvFuncInv& Finv1, Blend_CurvPointFuncInv& FinvP1, Blend_SurfCurvFuncInv& Finv2, Blend_CurvPointFuncInv& FinvP2, const Standard_Real Pdep, const Standard_Real Pmax, const Standard_Real MaxStep, const Standard_Real TolGuide, const math_Vector& Soldep, const Standard_Real Tolesp, const Standard_Real Fleche, const Standard_Boolean Appro = Standard_False); 76 77 Standard_EXPORT Standard_Boolean PerformFirstSection (Blend_RstRstFunction& Func, Blend_SurfCurvFuncInv& Finv1, Blend_CurvPointFuncInv& FinvP1, Blend_SurfCurvFuncInv& Finv2, Blend_CurvPointFuncInv& FinvP2, const Standard_Real Pdep, const Standard_Real Pmax, const math_Vector& Soldep, const Standard_Real Tolesp, const Standard_Real TolGuide, const Standard_Boolean RecRst1, const Standard_Boolean RecP1, const Standard_Boolean RecRst2, const Standard_Boolean RecP2, Standard_Real& Psol, math_Vector& ParSol); 78 79 Standard_EXPORT Standard_Boolean Complete (Blend_RstRstFunction& Func, Blend_SurfCurvFuncInv& Finv1, Blend_CurvPointFuncInv& FinvP1, Blend_SurfCurvFuncInv& Finv2, Blend_CurvPointFuncInv& FinvP2, const Standard_Real Pmin); 80 81 Standard_Boolean IsDone() const; 82 83 const Handle(BRepBlend_Line)& Line() const; 84 85 Standard_Boolean Decroch1Start() const; 86 87 Standard_Boolean Decroch1End() const; 88 89 Standard_Boolean Decroch2Start() const; 90 91 Standard_Boolean Decroch2End() const; 92 93 94 95 96 protected: 97 98 99 100 101 102 private: 103 104 105 Standard_EXPORT void InternalPerform (Blend_RstRstFunction& Func, Blend_SurfCurvFuncInv& Finv1, Blend_CurvPointFuncInv& FinvP1, Blend_SurfCurvFuncInv& Finv2, Blend_CurvPointFuncInv& FinvP2, const Standard_Real Bound); 106 107 Standard_EXPORT Standard_Boolean Recadre1 (Blend_RstRstFunction& Func, Blend_SurfCurvFuncInv& Finv, math_Vector& Solinv, Standard_Boolean& IsVtx, Handle(Adaptor3d_HVertex)& Vtx); 108 109 Standard_EXPORT Standard_Boolean Recadre2 (Blend_RstRstFunction& Func, Blend_SurfCurvFuncInv& Finv, math_Vector& Solinv, Standard_Boolean& IsVtx, Handle(Adaptor3d_HVertex)& Vtx); 110 111 Standard_EXPORT Standard_Boolean Recadre1 (Blend_CurvPointFuncInv& FinvP, math_Vector& Solinv, Standard_Boolean& IsVtx, Handle(Adaptor3d_HVertex)& Vtx); 112 113 Standard_EXPORT Standard_Boolean Recadre2 (Blend_CurvPointFuncInv& FinvP, math_Vector& Solinv, Standard_Boolean& IsVtx, Handle(Adaptor3d_HVertex)& Vtx); 114 115 Standard_EXPORT void Transition (const Standard_Boolean OnFirst, const Handle(Adaptor2d_Curve2d)& Arc, const Standard_Real Param, IntSurf_Transition& TLine, IntSurf_Transition& TArc); 116 117 Standard_EXPORT void MakeExtremity (BRepBlend_Extremity& Extrem, const Standard_Boolean OnFirst, const Handle(Adaptor2d_Curve2d)& Arc, const Standard_Real Param, const Standard_Boolean IsVtx, const Handle(Adaptor3d_HVertex)& Vtx); 118 119 Standard_EXPORT Blend_Status CheckDeflectionOnRst1 (const Blend_Point& CurPoint); 120 121 Standard_EXPORT Blend_Status CheckDeflectionOnRst2 (const Blend_Point& CurPoint); 122 123 Standard_EXPORT Blend_Status TestArret (Blend_RstRstFunction& Func, const Standard_Boolean TestDeflection, const Blend_Status State); 124 125 Standard_EXPORT Standard_Boolean CheckInside (Blend_RstRstFunction& Func, TopAbs_State& SituOnC1, TopAbs_State& SituOnC2, Blend_DecrochStatus& Decroch); 126 127 128 Standard_Boolean done; 129 Handle(BRepBlend_Line) line; 130 math_Vector sol; 131 Handle(Adaptor3d_Surface) surf1; 132 Handle(Adaptor3d_TopolTool) domain1; 133 Handle(Adaptor3d_Surface) surf2; 134 Handle(Adaptor3d_TopolTool) domain2; 135 Handle(Adaptor2d_Curve2d) rst1; 136 Handle(Adaptor2d_Curve2d) rst2; 137 Standard_Real tolesp; 138 Standard_Real tolgui; 139 Standard_Real pasmax; 140 Standard_Real fleche; 141 Standard_Real param; 142 Blend_Point previousP; 143 Standard_Boolean rebrou; 144 Standard_Boolean iscomplete; 145 Standard_Boolean comptra; 146 Standard_Real sens; 147 Blend_DecrochStatus decrochdeb; 148 Blend_DecrochStatus decrochfin; 149 150 151 }; 152 153 154 #include <BRepBlend_RstRstLineBuilder.lxx> 155 156 157 158 159 160 #endif // _BRepBlend_RstRstLineBuilder_HeaderFile 161