1 // Created on: 1993-06-21
2 // Created by: Martine LANGLOIS
3 // Copyright (c) 1993-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
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.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
18 #include <Geom2d_BoundedCurve.hxx>
19 #include <Geom2d_BSplineCurve.hxx>
20 #include <Geom2d_Circle.hxx>
21 #include <Geom2d_Conic.hxx>
22 #include <Geom2d_Curve.hxx>
23 #include <Geom2d_Ellipse.hxx>
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>
38 #include <gp_Elips2d.hxx>
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>
45 #include <Geom2d_TrimmedCurve.hxx>
47 //=============================================================================
48 // Creation d' une Curve de prostep a partir d' une Curve de Geom
49 //=============================================================================
50 GeomToStep_MakeCurve::GeomToStep_MakeCurve ( const Handle(Geom_Curve)& C)
53 if (C->IsKind(STANDARD_TYPE(Geom_Line))) {
54 Handle(Geom_Line) L = Handle(Geom_Line)::DownCast(C);
55 GeomToStep_MakeLine MkLine(L);
56 theCurve = MkLine.Value();
58 else if (C->IsKind(STANDARD_TYPE(Geom_Conic))) {
59 Handle(Geom_Conic) L = Handle(Geom_Conic)::DownCast(C);
60 GeomToStep_MakeConic MkConic(L);
61 theCurve = MkConic.Value();
63 else if (C->IsKind(STANDARD_TYPE(Geom_TrimmedCurve))) {
64 Handle(Geom_TrimmedCurve) T = Handle(Geom_TrimmedCurve)::DownCast(C);
65 Handle(Geom_Curve) B = T->BasisCurve();
66 // TANT PIS, on passe la courbe de base ...
67 if (B->IsKind(STANDARD_TYPE(Geom_BSplineCurve))) {
68 Handle(Geom_BSplineCurve) BS = Handle(Geom_BSplineCurve)::DownCast
70 BS->Segment (T->FirstParameter(),T->LastParameter());
73 else if (B->IsKind(STANDARD_TYPE(Geom_BezierCurve))) {
74 Handle(Geom_BezierCurve) BZ = Handle(Geom_BezierCurve)::DownCast
76 BZ->Segment (T->FirstParameter(),T->LastParameter());
81 std::cout<<"GeomToStep_MakeCurve, TrimmedCurve, BasisCurve is transferred not trimmed"<<std::endl;
82 std::cout<<"BasisCurve Type : "<<B->DynamicType()->Name()<<std::endl;
85 GeomToStep_MakeCurve MkBasisC(B);
86 theCurve = MkBasisC.Value();
88 else if (C->IsKind(STANDARD_TYPE(Geom_BoundedCurve))) {
89 Handle(Geom_BoundedCurve) L = Handle(Geom_BoundedCurve)::DownCast(C);
90 GeomToStep_MakeBoundedCurve MkBoundedC(L);
91 theCurve = MkBoundedC.Value();
94 done = Standard_False;
97 //=============================================================================
98 // Creation d'une Curve de prostep a partir d' une Curve de Geom2d
99 //=============================================================================
101 GeomToStep_MakeCurve::GeomToStep_MakeCurve ( const Handle(Geom2d_Curve)& C)
103 done = Standard_True;
104 if (C->IsKind(STANDARD_TYPE(Geom2d_Line))) {
105 Handle(Geom2d_Line) L = Handle(Geom2d_Line)::DownCast(C);
106 GeomToStep_MakeLine MkLine(L);
107 theCurve = MkLine.Value();
109 else if (C->IsKind(STANDARD_TYPE(Geom2d_Conic))) {
111 // ----------------------------------------------------------------------
112 // A Circle of an Ellipse can be indirect. An indirect Axis in not
113 // mappable onto STEP. Then to avoid changing the topology, the Circle
114 // or the Ellipse are converted into BSpline Curves
115 // ----------------------------------------------------------------------
117 if (C->IsKind(STANDARD_TYPE(Geom2d_Circle))) {
118 Handle(Geom2d_Circle) theC2d = Handle(Geom2d_Circle)::DownCast(C);
119 gp_Circ2d C2d = theC2d->Circ2d();
120 if (!C2d.IsDirect()) {
122 std::cout << "Warning : Circle converted to BSpline." << std::endl;
124 Handle(Geom2d_BSplineCurve) aBSplineCurve2d =
125 Geom2dConvert::CurveToBSplineCurve(theC2d);
126 const Handle(Geom2d_BoundedCurve)& aBC2d = aBSplineCurve2d; // to avoid ambiguity
127 GeomToStep_MakeBoundedCurve MkBoundedC(aBC2d);
128 theCurve = MkBoundedC.Value();
131 Handle(Geom2d_Conic) L = Handle(Geom2d_Conic)::DownCast(C);
132 GeomToStep_MakeConic MkConic(L);
133 theCurve = MkConic.Value();
136 else if (C->IsKind(STANDARD_TYPE(Geom2d_Ellipse))) {
137 Handle(Geom2d_Ellipse) theE2d = Handle(Geom2d_Ellipse)::DownCast(C);
138 gp_Elips2d E2d = theE2d->Elips2d();
139 if (!E2d.IsDirect()) {
141 std::cout << "Warning : Ellipse converted to BSpline." << std::endl;
143 Handle(Geom2d_BSplineCurve) aBSplineCurve2d =
144 Geom2dConvert::CurveToBSplineCurve(theE2d);
145 const Handle(Geom2d_BoundedCurve)& aBC2d = aBSplineCurve2d; // to avoid ambiguity
146 GeomToStep_MakeBoundedCurve MkBoundedC(aBC2d);
147 theCurve = MkBoundedC.Value();
150 Handle(Geom2d_Conic) L = Handle(Geom2d_Conic)::DownCast(C);
151 GeomToStep_MakeConic MkConic(L);
152 theCurve = MkConic.Value();
156 Handle(Geom2d_Conic) L = Handle(Geom2d_Conic)::DownCast(C);
157 GeomToStep_MakeConic MkConic(L);
158 theCurve = MkConic.Value();
161 else if (C->IsKind(STANDARD_TYPE(Geom2d_BoundedCurve))) {
162 Handle(Geom2d_BoundedCurve) L = Handle(Geom2d_BoundedCurve)::DownCast(C);
163 GeomToStep_MakeBoundedCurve MkBoundedC(L);
164 theCurve = MkBoundedC.Value();
166 else if (C->IsKind(STANDARD_TYPE(Geom2d_TrimmedCurve))) {
167 GeomToStep_MakeCurve aMaker = (Handle(Geom2d_TrimmedCurve)::DownCast(C)->BasisCurve());
168 theCurve = aMaker.Value();
171 done = Standard_False;
175 //=============================================================================
176 // renvoi des valeurs
177 //=============================================================================
179 const Handle(StepGeom_Curve) &
180 GeomToStep_MakeCurve::Value() const
182 StdFail_NotDone_Raise_if (!done, "GeomToStep_MakeCurve::Value() - no result");