src/GeomInt/GeomInt_TheMultiLineOfWLApprox.hxx

   1 // Created on: 1995-01-27
   2 // Created by: Jacques GOUSSARD
   3 // Copyright (c) 1995-1999 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 _GeomInt_TheMultiLineOfWLApprox_HeaderFile
  18 #define _GeomInt_TheMultiLineOfWLApprox_HeaderFile
  19
  20 #include <Standard.hxx>
  21 #include <Standard_DefineAlloc.hxx>
  22 #include <Standard_Handle.hxx>
  23
  24 #include <Standard_Address.hxx>
  25 #include <Standard_Integer.hxx>
  26 #include <Standard_Boolean.hxx>
  27 #include <Standard_Real.hxx>
  28 #include <Approx_Status.hxx>
  29 #include <TColgp_Array1OfPnt.hxx>
  30 #include <TColgp_Array1OfPnt2d.hxx>
  31 #include <TColgp_Array1OfVec.hxx>
  32 #include <TColgp_Array1OfVec2d.hxx>
  33 class IntPatch_WLine;
  34 class ApproxInt_SvSurfaces;
  35
  36
  37
  38 class GeomInt_TheMultiLineOfWLApprox
  39 {
  40 public:
  41
  42   DEFINE_STANDARD_ALLOC
  43
  44   Standard_EXPORT GeomInt_TheMultiLineOfWLApprox();
  45
  46   //! The class SvSurfaces is used when the approximation algorithm
  47   //! needs some extra points on the line <line>.
  48   //! A New line  is then created which shares the same surfaces and functions.
  49   //! SvSurfaces is a deferred class which allows several implementations of
  50   //! this  algorithm with different surfaces (bi-parametric ones, or
  51   //! implicit and biparametric ones)
  52   Standard_EXPORT GeomInt_TheMultiLineOfWLApprox( const Handle(IntPatch_WLine)& line,
  53                                                   const Standard_Address PtrSvSurfaces,
  54                                                   const Standard_Integer NbP3d,
  55                                                   const Standard_Integer NbP2d,
  56                                                   const Standard_Boolean ApproxU1V1,
  57                                                   const Standard_Boolean ApproxU2V2,
  58                                                   const Standard_Real xo,
  59                                                   const Standard_Real yo,
  60                                                   const Standard_Real zo,
  61                                                   const Standard_Real u1o,
  62                                                   const Standard_Real v1o,
  63                                                   const Standard_Real u2o,
  64                                                   const Standard_Real v2o,
  65                                                   const Standard_Boolean P2DOnFirst,
  66                                                   const Standard_Integer IndMin = 0,
  67                                                   const Standard_Integer IndMax = 0);
  68
  69   //! No Extra points will be added on the current line
  70   Standard_EXPORT GeomInt_TheMultiLineOfWLApprox( const Handle(IntPatch_WLine)& line,
  71                                                   const Standard_Integer NbP3d,
  72                                                   const Standard_Integer NbP2d,
  73                                                   const Standard_Boolean ApproxU1V1,
  74                                                   const Standard_Boolean ApproxU2V2,
  75                                                   const Standard_Real xo,
  76                                                   const Standard_Real yo,
  77                                                   const Standard_Real zo,
  78                                                   const Standard_Real u1o,
  79                                                   const Standard_Real v1o,
  80                                                   const Standard_Real u2o,
  81                                                   const Standard_Real v2o,
  82                                                   const Standard_Boolean P2DOnFirst,
  83                                                   const Standard_Integer IndMin = 0,
  84                                                   const Standard_Integer IndMax = 0);
  85
  86   Standard_EXPORT Standard_Integer FirstPoint() const;
  87
  88   Standard_EXPORT Standard_Integer LastPoint() const;
  89
  90   //! Returns the number of 2d points of a TheLine.
  91   Standard_EXPORT Standard_Integer NbP2d() const;
  92
  93   //! Returns the number of 3d points of a TheLine.
  94   Standard_EXPORT Standard_Integer NbP3d() const;
  95
  96   Standard_EXPORT Approx_Status WhatStatus() const;
  97
  98   //! Returns the 3d points of the multipoint <MPointIndex> when only 3d points exist.
  99   Standard_EXPORT void Value (const Standard_Integer MPointIndex, TColgp_Array1OfPnt& tabPt) const;
 100
 101   //! Returns the 2d points of the multipoint <MPointIndex> when only 2d points exist.
 102   Standard_EXPORT void Value (const Standard_Integer MPointIndex,
 103                               TColgp_Array1OfPnt2d& tabPt2d) const;
 104
 105   //! returns the 3d and 2d points of the multipoint <MPointIndex>.
 106   Standard_EXPORT void Value (const Standard_Integer MPointIndex, TColgp_Array1OfPnt& tabPt, TColgp_Array1OfPnt2d& tabPt2d) const;
 107
 108   //! Returns the 3d tangency points of the multipoint <MPointIndex> only
 109   //! when 3d points exist.
 110   Standard_EXPORT Standard_Boolean Tangency ( const Standard_Integer MPointIndex,
 111                                               TColgp_Array1OfVec& tabV) const;
 112
 113   //! Returns the 2d tangency points of the multipoint <MPointIndex> only
 114   //! when 2d points exist.
 115   Standard_EXPORT Standard_Boolean Tangency ( const Standard_Integer MPointIndex,
 116                                               TColgp_Array1OfVec2d& tabV2d) const;
 117
 118   //! Returns the 3d and 2d points of the multipoint <MPointIndex>.
 119   Standard_EXPORT Standard_Boolean Tangency (const Standard_Integer MPointIndex, TColgp_Array1OfVec& tabV, TColgp_Array1OfVec2d& tabV2d) const;
 120
 121   //! Tries to make a sub-line between <Low> and <High> points of this line
 122   //! by adding <NbPointsToInsert> new points
 123   Standard_EXPORT GeomInt_TheMultiLineOfWLApprox MakeMLBetween (const Standard_Integer Low,
 124                                                                 const Standard_Integer High,
 125                                                                 const Standard_Integer NbPointsToInsert) const;
 126
 127   //! Tries to make a sub-line between <Low> and <High> points of this line
 128   //! by adding one more point between (indbad-1)-th and indbad-th points
 129   Standard_EXPORT Standard_Boolean MakeMLOneMorePoint (const Standard_Integer Low,
 130                                                        const Standard_Integer High,
 131                                                        const Standard_Integer indbad,
 132                                                        GeomInt_TheMultiLineOfWLApprox& OtherLine) const;
 133
 134   //! Dump of the current multi-line.
 135   Standard_EXPORT void Dump() const;
 136
 137
 138
 139
 140 protected:
 141
 142 private:
 143   Standard_Address PtrOnmySvSurfaces;
 144   Handle(IntPatch_WLine) myLine;
 145   Standard_Integer indicemin;
 146   Standard_Integer indicemax;
 147   Standard_Integer nbp3d;
 148   Standard_Integer nbp2d;
 149   Standard_Boolean myApproxU1V1;
 150   Standard_Boolean myApproxU2V2;
 151   Standard_Boolean p2donfirst;
 152   Standard_Real Xo;
 153   Standard_Real Yo;
 154   Standard_Real Zo;
 155   Standard_Real U1o;
 156   Standard_Real V1o;
 157   Standard_Real U2o;
 158   Standard_Real V2o;
 159
 160
 161 };
 162
 163 #endif // _GeomInt_TheMultiLineOfWLApprox_HeaderFile