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>
46 //=============================================================================
47 // Creation d' une Curve de prostep a partir d' une Curve de Geom
48 //=============================================================================
49 GeomToStep_MakeCurve::GeomToStep_MakeCurve ( const Handle(Geom_Curve)& C)
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();
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();
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
69 BS->Segment (T->FirstParameter(),T->LastParameter());
72 else if (B->IsKind(STANDARD_TYPE(Geom_BezierCurve))) {
73 Handle(Geom_BezierCurve) BZ = Handle(Geom_BezierCurve)::DownCast
75 BZ->Segment (T->FirstParameter(),T->LastParameter());
80 std::cout<<"GeomToStep_MakeCurve, TrimmedCurve, BasisCurve is transferred not trimmed"<<std::endl;
81 std::cout<<"BasisCurve Type : "<<B->DynamicType()->Name()<<std::endl;
84 GeomToStep_MakeCurve MkBasisC(B);
85 theCurve = MkBasisC.Value();
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();
93 done = Standard_False;
96 //=============================================================================
97 // Creation d'une Curve de prostep a partir d' une Curve de Geom2d
98 //=============================================================================
100 GeomToStep_MakeCurve::GeomToStep_MakeCurve ( const Handle(Geom2d_Curve)& C)
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();
108 else if (C->IsKind(STANDARD_TYPE(Geom2d_Conic))) {
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 // ----------------------------------------------------------------------
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()) {
121 std::cout << "Warning : Circle converted to BSpline." << std::endl;
123 Handle(Geom2d_BSplineCurve) aBSplineCurve2d =
124 Geom2dConvert::CurveToBSplineCurve(theC2d);
125 const Handle(Geom2d_BoundedCurve)& aBC2d = aBSplineCurve2d; // to avoid ambiguity
126 GeomToStep_MakeBoundedCurve MkBoundedC(aBC2d);
127 theCurve = MkBoundedC.Value();
130 Handle(Geom2d_Conic) L = Handle(Geom2d_Conic)::DownCast(C);
131 GeomToStep_MakeConic MkConic(L);
132 theCurve = MkConic.Value();
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()) {
140 std::cout << "Warning : Ellipse converted to BSpline." << std::endl;
142 Handle(Geom2d_BSplineCurve) aBSplineCurve2d =
143 Geom2dConvert::CurveToBSplineCurve(theE2d);
144 const Handle(Geom2d_BoundedCurve)& aBC2d = aBSplineCurve2d; // to avoid ambiguity
145 GeomToStep_MakeBoundedCurve MkBoundedC(aBC2d);
146 theCurve = MkBoundedC.Value();
149 Handle(Geom2d_Conic) L = Handle(Geom2d_Conic)::DownCast(C);
150 GeomToStep_MakeConic MkConic(L);
151 theCurve = MkConic.Value();
155 Handle(Geom2d_Conic) L = Handle(Geom2d_Conic)::DownCast(C);
156 GeomToStep_MakeConic MkConic(L);
157 theCurve = MkConic.Value();
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();
166 done = Standard_False;
170 //=============================================================================
171 // renvoi des valeurs
172 //=============================================================================
174 const Handle(StepGeom_Curve) &
175 GeomToStep_MakeCurve::Value() const
177 StdFail_NotDone_Raise_if (!done, "GeomToStep_MakeCurve::Value() - no result");