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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 | |
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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 |
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40 | { |
41 | public: |
42 | |
43 | DEFINE_STANDARD_ALLOC |
44 | |
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45 | //! Empty constructor |
46 | Standard_EXPORT IntTools_Curve(); |
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47 | |
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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 |
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126 | Standard_EXPORT Standard_Boolean HasBounds() const; |
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127 | |
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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; |
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147 | |
148 | protected: |
149 | |
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150 | private: |
151 | |
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152 | Handle(Geom_Curve) my3dCurve; |
153 | Handle(Geom2d_Curve) my2dCurve1; |
154 | Handle(Geom2d_Curve) my2dCurve2; |
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155 | Standard_Real myTolerance; |
156 | Standard_Real myTangentialTolerance; |
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157 | }; |
158 | |
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159 | #endif // _IntTools_Curve_HeaderFile |