| 1 | // Created on: 2000-11-23 |
| 2 | // Created by: Michael KLOKOV |
| 3 | // Copyright (c) 2000-2014 OPEN CASCADE SAS |
| 4 | // |
| 5 | // This file is part of Open CASCADE Technology software library. |
| 6 | // |
| 7 | // This library is free software; you can redistribute it and/or modify it under |
| 8 | // the terms of the GNU Lesser General Public License version 2.1 as published |
| 9 | // by the Free Software Foundation, with special exception defined in the file |
| 10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
| 11 | // distribution for complete text of the license and disclaimer of any warranty. |
| 12 | // |
| 13 | // Alternatively, this file may be used under the terms of Open CASCADE |
| 14 | // commercial license or contractual agreement. |
| 15 | |
| 16 | #ifndef _IntTools_Curve_HeaderFile |
| 17 | #define _IntTools_Curve_HeaderFile |
| 18 | |
| 19 | #include <Standard.hxx> |
| 20 | #include <Standard_DefineAlloc.hxx> |
| 21 | #include <Standard_Handle.hxx> |
| 22 | |
| 23 | #include <Standard_Boolean.hxx> |
| 24 | #include <Standard_Real.hxx> |
| 25 | #include <GeomAbs_CurveType.hxx> |
| 26 | class Geom_Curve; |
| 27 | class Geom2d_Curve; |
| 28 | class gp_Pnt; |
| 29 | |
| 30 | //! The class is a container of one 3D curve, two 2D curves and two Tolerance values.<br> |
| 31 | //! It is used in the Face/Face intersection algorithm to store the results |
| 32 | //! of intersection. In this context:<br> |
| 33 | //! **the 3D curve** is the intersection curve;<br> |
| 34 | //! **the 2D curves** are the PCurves of the 3D curve on the intersecting faces;<br> |
| 35 | //! **the tolerance** is the valid tolerance for 3D curve computed as |
| 36 | //! maximal deviation between 3D curve and 2D curves (or surfaces in case there are no 2D curves);<br> |
| 37 | //! **the tangential tolerance** is the maximal distance from 3D curve to the |
| 38 | //! end of the tangential zone between faces in terms of their tolerance values. |
| 39 | class IntTools_Curve |
| 40 | { |
| 41 | public: |
| 42 | |
| 43 | DEFINE_STANDARD_ALLOC |
| 44 | |
| 45 | //! Empty constructor |
| 46 | Standard_EXPORT IntTools_Curve(); |
| 47 | |
| 48 | //! Constructor taking 3d curve, two 2d curves and two tolerance values |
| 49 | Standard_EXPORT IntTools_Curve(const Handle(Geom_Curve)& the3dCurve3d, |
| 50 | const Handle(Geom2d_Curve)& the2dCurve1, |
| 51 | const Handle(Geom2d_Curve)& the2dCurve2, |
| 52 | const Standard_Real theTolerance = 0.0, |
| 53 | const Standard_Real theTangentialTolerance = 0.0); |
| 54 | |
| 55 | //! Sets the curves |
| 56 | void SetCurves(const Handle(Geom_Curve)& the3dCurve, |
| 57 | const Handle(Geom2d_Curve)& the2dCurve1, |
| 58 | const Handle(Geom2d_Curve)& the2dCurve2) |
| 59 | { |
| 60 | my3dCurve = the3dCurve; |
| 61 | my2dCurve1 = the2dCurve1; |
| 62 | my2dCurve2 = the2dCurve2; |
| 63 | } |
| 64 | |
| 65 | //! Sets the 3d curve |
| 66 | void SetCurve(const Handle(Geom_Curve)& the3dCurve) |
| 67 | { |
| 68 | my3dCurve = the3dCurve; |
| 69 | } |
| 70 | |
| 71 | //! Sets the first 2d curve |
| 72 | void SetFirstCurve2d(const Handle(Geom2d_Curve)& the2dCurve1) |
| 73 | { |
| 74 | my2dCurve1 = the2dCurve1; |
| 75 | } |
| 76 | |
| 77 | //! Sets the second 2d curve |
| 78 | void SetSecondCurve2d(const Handle(Geom2d_Curve)& the2dCurve2) |
| 79 | { |
| 80 | my2dCurve2 = the2dCurve2; |
| 81 | } |
| 82 | |
| 83 | //! Sets the tolerance for the curve |
| 84 | void SetTolerance(const Standard_Real theTolerance) |
| 85 | { |
| 86 | myTolerance = theTolerance; |
| 87 | } |
| 88 | |
| 89 | //! Sets the tangential tolerance |
| 90 | void SetTangentialTolerance(const Standard_Real theTangentialTolerance) |
| 91 | { |
| 92 | myTangentialTolerance = theTangentialTolerance; |
| 93 | } |
| 94 | |
| 95 | //! Returns 3d curve |
| 96 | const Handle(Geom_Curve)& Curve() const |
| 97 | { |
| 98 | return my3dCurve; |
| 99 | } |
| 100 | |
| 101 | //! Returns first 2d curve |
| 102 | const Handle(Geom2d_Curve)& FirstCurve2d() const |
| 103 | { |
| 104 | return my2dCurve1; |
| 105 | } |
| 106 | |
| 107 | //! Returns second 2d curve |
| 108 | const Handle(Geom2d_Curve)& SecondCurve2d() const |
| 109 | { |
| 110 | return my2dCurve2; |
| 111 | } |
| 112 | |
| 113 | //! Returns the tolerance |
| 114 | Standard_Real Tolerance() const |
| 115 | { |
| 116 | return myTolerance; |
| 117 | } |
| 118 | |
| 119 | //! Returns the tangential tolerance |
| 120 | Standard_Real TangentialTolerance() const |
| 121 | { |
| 122 | return myTangentialTolerance; |
| 123 | } |
| 124 | |
| 125 | //! Returns TRUE if 3d curve is BoundedCurve |
| 126 | Standard_EXPORT Standard_Boolean HasBounds() const; |
| 127 | |
| 128 | //! If the 3d curve is bounded curve the method will return TRUE |
| 129 | //! and modify the output parameters with boundary parameters of |
| 130 | //! the curve and corresponded 3d points.<br> |
| 131 | //! If the curve does not have bounds, the method will return false |
| 132 | //! and the output parameters will stay untouched. |
| 133 | Standard_EXPORT Standard_Boolean Bounds(Standard_Real& theFirst, |
| 134 | Standard_Real& theLast, |
| 135 | gp_Pnt& theFirstPnt, |
| 136 | gp_Pnt& theLastPnt) const; |
| 137 | |
| 138 | //! Computes 3d point corresponded to the given parameter if this |
| 139 | //! parameter is inside the boundaries of the curve. |
| 140 | //! Returns TRUE in this case. <br> |
| 141 | //! Otherwise, the point will not be computed and the method will return FALSE. |
| 142 | Standard_EXPORT Standard_Boolean D0(const Standard_Real& thePar, |
| 143 | gp_Pnt& thePnt) const; |
| 144 | |
| 145 | //! Returns the type of the 3d curve |
| 146 | Standard_EXPORT GeomAbs_CurveType Type() const; |
| 147 | |
| 148 | protected: |
| 149 | |
| 150 | private: |
| 151 | |
| 152 | Handle(Geom_Curve) my3dCurve; |
| 153 | Handle(Geom2d_Curve) my2dCurve1; |
| 154 | Handle(Geom2d_Curve) my2dCurve2; |
| 155 | Standard_Real myTolerance; |
| 156 | Standard_Real myTangentialTolerance; |
| 157 | }; |
| 158 | |
| 159 | #endif // _IntTools_Curve_HeaderFile |