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1 | // Created on: 1993-06-21 |
2 | // Created by: Martine LANGLOIS |
3 | // Copyright (c) 1993-1999 Matra Datavision |
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4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
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5 | // |
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6 | // This file is part of Open CASCADE Technology software library. |
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7 | // |
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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 |
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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. |
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13 | // |
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14 | // Alternatively, this file may be used under the terms of Open CASCADE |
15 | // commercial license or contractual agreement. |
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16 | |
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17 | |
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18 | #include <Geom2d_BoundedCurve.hxx> |
19 | #include <Geom2d_BSplineCurve.hxx> |
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20 | #include <Geom2d_Circle.hxx> |
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21 | #include <Geom2d_Conic.hxx> |
22 | #include <Geom2d_Curve.hxx> |
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23 | #include <Geom2d_Ellipse.hxx> |
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24 | #include <Geom2d_Line.hxx> |
25 | #include <Geom2dConvert.hxx> |
26 | #include <Geom_BezierCurve.hxx> |
27 | #include <Geom_BoundedCurve.hxx> |
28 | #include <Geom_BSplineCurve.hxx> |
29 | #include <Geom_Conic.hxx> |
30 | #include <Geom_Curve.hxx> |
31 | #include <Geom_Line.hxx> |
32 | #include <Geom_TrimmedCurve.hxx> |
33 | #include <GeomToStep_MakeBoundedCurve.hxx> |
34 | #include <GeomToStep_MakeConic.hxx> |
35 | #include <GeomToStep_MakeCurve.hxx> |
36 | #include <GeomToStep_MakeLine.hxx> |
37 | #include <gp_Circ2d.hxx> |
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38 | #include <gp_Elips2d.hxx> |
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39 | #include <StdFail_NotDone.hxx> |
40 | #include <StepGeom_Axis2Placement3d.hxx> |
41 | #include <StepGeom_BoundedCurve.hxx> |
42 | #include <StepGeom_Conic.hxx> |
43 | #include <StepGeom_Curve.hxx> |
44 | #include <StepGeom_Line.hxx> |
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45 | |
46 | //============================================================================= |
47 | // Creation d' une Curve de prostep a partir d' une Curve de Geom |
48 | //============================================================================= |
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49 | GeomToStep_MakeCurve::GeomToStep_MakeCurve ( const Handle(Geom_Curve)& C) |
50 | { |
51 | done = Standard_True; |
52 | if (C->IsKind(STANDARD_TYPE(Geom_Line))) { |
53 | Handle(Geom_Line) L = Handle(Geom_Line)::DownCast(C); |
54 | GeomToStep_MakeLine MkLine(L); |
55 | theCurve = MkLine.Value(); |
56 | } |
57 | else if (C->IsKind(STANDARD_TYPE(Geom_Conic))) { |
58 | Handle(Geom_Conic) L = Handle(Geom_Conic)::DownCast(C); |
59 | GeomToStep_MakeConic MkConic(L); |
60 | theCurve = MkConic.Value(); |
61 | } |
62 | else if (C->IsKind(STANDARD_TYPE(Geom_TrimmedCurve))) { |
63 | Handle(Geom_TrimmedCurve) T = Handle(Geom_TrimmedCurve)::DownCast(C); |
64 | Handle(Geom_Curve) B = T->BasisCurve(); |
65 | // TANT PIS, on passe la courbe de base ... |
66 | if (B->IsKind(STANDARD_TYPE(Geom_BSplineCurve))) { |
67 | Handle(Geom_BSplineCurve) BS = Handle(Geom_BSplineCurve)::DownCast |
68 | (B->Copy()); |
69 | BS->Segment (T->FirstParameter(),T->LastParameter()); |
70 | B = BS; |
71 | } |
72 | else if (B->IsKind(STANDARD_TYPE(Geom_BezierCurve))) { |
73 | Handle(Geom_BezierCurve) BZ = Handle(Geom_BezierCurve)::DownCast |
74 | (B->Copy()); |
75 | BZ->Segment (T->FirstParameter(),T->LastParameter()); |
76 | B = BZ; |
77 | } |
78 | else { |
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79 | #ifdef OCCT_DEBUG |
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80 | cout<<"GeomToStep_MakeCurve, TrimmedCurve, BasisCurve is transferred not trimmed"<<endl; |
81 | cout<<"BasisCurve Type : "<<B->DynamicType()->Name()<<endl; |
82 | #endif |
83 | } |
84 | GeomToStep_MakeCurve MkBasisC(B); |
85 | theCurve = MkBasisC.Value(); |
86 | } |
87 | else if (C->IsKind(STANDARD_TYPE(Geom_BoundedCurve))) { |
88 | Handle(Geom_BoundedCurve) L = Handle(Geom_BoundedCurve)::DownCast(C); |
89 | GeomToStep_MakeBoundedCurve MkBoundedC(L); |
90 | theCurve = MkBoundedC.Value(); |
91 | } |
92 | else |
93 | done = Standard_False; |
94 | } |
95 | |
96 | //============================================================================= |
97 | // Creation d'une Curve de prostep a partir d' une Curve de Geom2d |
98 | //============================================================================= |
99 | |
100 | GeomToStep_MakeCurve::GeomToStep_MakeCurve ( const Handle(Geom2d_Curve)& C) |
101 | { |
102 | done = Standard_True; |
103 | if (C->IsKind(STANDARD_TYPE(Geom2d_Line))) { |
104 | Handle(Geom2d_Line) L = Handle(Geom2d_Line)::DownCast(C); |
105 | GeomToStep_MakeLine MkLine(L); |
106 | theCurve = MkLine.Value(); |
107 | } |
108 | else if (C->IsKind(STANDARD_TYPE(Geom2d_Conic))) { |
109 | |
110 | // ---------------------------------------------------------------------- |
111 | // A Circle of an Ellipse can be indirect. An indirect Axis in not |
112 | // mappable onto STEP. Then to avoid changing the topology, the Circle |
113 | // or the Ellipse are converted into BSpline Curves |
114 | // ---------------------------------------------------------------------- |
115 | |
116 | if (C->IsKind(STANDARD_TYPE(Geom2d_Circle))) { |
117 | Handle(Geom2d_Circle) theC2d = Handle(Geom2d_Circle)::DownCast(C); |
118 | gp_Circ2d C2d = theC2d->Circ2d(); |
119 | if (!C2d.IsDirect()) { |
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120 | #ifdef OCCT_DEBUG |
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121 | cout << "Warning : Circle converted to BSpline." << endl; |
122 | #endif |
123 | Handle(Geom2d_BSplineCurve) aBSplineCurve2d = |
124 | Geom2dConvert::CurveToBSplineCurve(theC2d); |
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125 | const Handle(Geom2d_BoundedCurve)& aBC2d = aBSplineCurve2d; // to avoid ambiguity |
126 | GeomToStep_MakeBoundedCurve MkBoundedC(aBC2d); |
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127 | theCurve = MkBoundedC.Value(); |
128 | } |
129 | else { |
130 | Handle(Geom2d_Conic) L = Handle(Geom2d_Conic)::DownCast(C); |
131 | GeomToStep_MakeConic MkConic(L); |
132 | theCurve = MkConic.Value(); |
133 | } |
134 | } |
135 | else if (C->IsKind(STANDARD_TYPE(Geom2d_Ellipse))) { |
136 | Handle(Geom2d_Ellipse) theE2d = Handle(Geom2d_Ellipse)::DownCast(C); |
137 | gp_Elips2d E2d = theE2d->Elips2d(); |
138 | if (!E2d.IsDirect()) { |
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139 | #ifdef OCCT_DEBUG |
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140 | cout << "Warning : Ellipse converted to BSpline." << endl; |
141 | #endif |
142 | Handle(Geom2d_BSplineCurve) aBSplineCurve2d = |
143 | Geom2dConvert::CurveToBSplineCurve(theE2d); |
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144 | const Handle(Geom2d_BoundedCurve)& aBC2d = aBSplineCurve2d; // to avoid ambiguity |
145 | GeomToStep_MakeBoundedCurve MkBoundedC(aBC2d); |
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146 | theCurve = MkBoundedC.Value(); |
147 | } |
148 | else { |
149 | Handle(Geom2d_Conic) L = Handle(Geom2d_Conic)::DownCast(C); |
150 | GeomToStep_MakeConic MkConic(L); |
151 | theCurve = MkConic.Value(); |
152 | } |
153 | } |
154 | else { |
155 | Handle(Geom2d_Conic) L = Handle(Geom2d_Conic)::DownCast(C); |
156 | GeomToStep_MakeConic MkConic(L); |
157 | theCurve = MkConic.Value(); |
158 | } |
159 | } |
160 | else if (C->IsKind(STANDARD_TYPE(Geom2d_BoundedCurve))) { |
161 | Handle(Geom2d_BoundedCurve) L = Handle(Geom2d_BoundedCurve)::DownCast(C); |
162 | GeomToStep_MakeBoundedCurve MkBoundedC(L); |
163 | theCurve = MkBoundedC.Value(); |
164 | } |
165 | else |
166 | done = Standard_False; |
167 | } |
168 | |
169 | |
170 | //============================================================================= |
171 | // renvoi des valeurs |
172 | //============================================================================= |
173 | |
174 | const Handle(StepGeom_Curve) & |
175 | GeomToStep_MakeCurve::Value() const |
176 | { |
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177 | StdFail_NotDone_Raise_if(!done, ""); |
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178 | return theCurve; |
179 | } |