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1 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
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2 | // |
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3 | // This file is part of Open CASCADE Technology software library. |
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4 | // |
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5 | // This library is free software; you can redistribute it and/or modify it under |
6 | // the terms of the GNU Lesser General Public License version 2.1 as published |
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7 | // by the Free Software Foundation, with special exception defined in the file |
8 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
9 | // distribution for complete text of the license and disclaimer of any warranty. |
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10 | // |
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11 | // Alternatively, this file may be used under the terms of Open CASCADE |
12 | // commercial license or contractual agreement. |
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13 | |
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14 | //:n7 abv 16.02.99: treatment of CARTESIAN_TRSF_OP_3D placed to StepGeom_MkTransformed3d |
15 | // sln 23.10.2001. CTS23496: Verifying on error creation of directions is added (StepToTopoDS_MakeTransformed::Compute(...) function) |
16 | |
17 | #include <StepToTopoDS_MakeTransformed.ixx> |
18 | #include <Transfer_Binder.hxx> |
19 | #include <TransferBRep_ShapeBinder.hxx> |
20 | |
21 | #include <StepToGeom_MakeAxis2Placement.hxx> |
22 | #include <Geom_Axis2Placement.hxx> |
23 | #include <gp_Ax3.hxx> |
24 | #include <gp_TrsfForm.hxx> |
25 | #include <TopLoc_Location.hxx> |
26 | |
27 | #include <StepRepr_RepresentationMap.hxx> |
28 | #include <StepRepr_Representation.hxx> |
29 | |
30 | // + pour CartesianOperator3d |
31 | #include <Geom_CartesianPoint.hxx> |
32 | #include <Geom_Direction.hxx> |
33 | #include <StepGeom_CartesianPoint.hxx> |
34 | #include <StepGeom_Direction.hxx> |
35 | #include <StepToGeom_MakeCartesianPoint.hxx> |
36 | #include <StepToGeom_MakeDirection.hxx> |
37 | #include <StepToGeom_MakeTransformation3d.hxx> |
38 | |
39 | |
40 | StepToTopoDS_MakeTransformed::StepToTopoDS_MakeTransformed () |
41 | { |
42 | } |
43 | |
44 | Standard_Boolean StepToTopoDS_MakeTransformed::Compute |
45 | (const Handle(StepGeom_Axis2Placement3d)& Origin, |
46 | const Handle(StepGeom_Axis2Placement3d)& Target) |
47 | { |
48 | theTrsf = gp_Trsf(); // reinit |
49 | if (Origin.IsNull() || Target.IsNull()) return Standard_False; |
50 | |
51 | // sln 23.10.2001 : If the directions have not been created do nothing. |
52 | Handle(Geom_Axis2Placement) theOrig; |
53 | if (!StepToGeom_MakeAxis2Placement::Convert(Origin,theOrig)) |
54 | return Standard_False; |
55 | Handle(Geom_Axis2Placement) theTarg; |
56 | if (!StepToGeom_MakeAxis2Placement::Convert(Target,theTarg)) |
57 | return Standard_False; |
58 | |
59 | const gp_Ax3 ax3Orig(theOrig->Ax2()); |
60 | const gp_Ax3 ax3Targ(theTarg->Ax2()); |
61 | |
62 | // ne pas se tromper de sens ! |
63 | theTrsf.SetTransformation(ax3Targ, ax3Orig); |
64 | return Standard_True; |
65 | } |
66 | |
67 | Standard_Boolean StepToTopoDS_MakeTransformed::Compute |
68 | (const Handle(StepGeom_CartesianTransformationOperator3d)& Operator) |
69 | { |
70 | return StepToGeom_MakeTransformation3d::Convert(Operator,theTrsf); |
71 | } |
72 | |
73 | const gp_Trsf& StepToTopoDS_MakeTransformed::Transformation () const |
74 | { |
75 | return theTrsf; |
76 | } |
77 | |
78 | Standard_Boolean StepToTopoDS_MakeTransformed::Transform |
79 | (TopoDS_Shape& shape) const |
80 | { |
81 | if (theTrsf.Form() == gp_Identity) return Standard_False; |
82 | TopLoc_Location theLoc(theTrsf); |
83 | shape.Move (theLoc); |
84 | // shape.Location(theLoc); |
85 | return Standard_True; |
86 | } |
87 | |
88 | TopoDS_Shape StepToTopoDS_MakeTransformed::TranslateMappedItem |
89 | (const Handle(StepRepr_MappedItem)& mapit, |
90 | const Handle(Transfer_TransientProcess)& TP) |
91 | { |
92 | TopoDS_Shape theResult; |
93 | |
94 | // Positionnement : 2 formules |
95 | // 1/ Ax2 dans Source et comme Target : passage de Source a Target |
96 | // 2/ CartesianOperator3d comme Target : on applique |
97 | |
98 | Handle(StepGeom_Axis2Placement3d) Origin = |
99 | Handle(StepGeom_Axis2Placement3d)::DownCast(mapit->MappingSource() |
100 | ->MappingOrigin()); |
101 | Handle(StepGeom_Axis2Placement3d) Target = |
102 | Handle(StepGeom_Axis2Placement3d)::DownCast(mapit->MappingTarget()); |
103 | |
104 | Handle(StepGeom_CartesianTransformationOperator3d) CartOp = |
105 | Handle(StepGeom_CartesianTransformationOperator3d)::DownCast(mapit->MappingTarget()); |
106 | // Handle(StepRepr_ItemDefinedTransformation) ItemDef = |
107 | // Handle(StepRepr_ItemDefinedTransformation)::DownCast(mapit->MappingTarget()); |
108 | |
109 | Standard_Boolean ok = Standard_False; |
110 | if (!Origin.IsNull() && !Target.IsNull()) ok = Compute (Origin,Target); |
111 | else if (!CartOp.IsNull()) ok = Compute (CartOp); |
112 | |
113 | if (!ok) TP->AddWarning (mapit,"Mapped Item, case not recognized, location ignored"); |
114 | |
115 | // La Shape, et la mise en position |
116 | Handle(StepRepr_Representation) maprep = mapit->MappingSource()->MappedRepresentation(); |
117 | Handle(Transfer_Binder) binder = TP->Find(maprep); |
118 | if (binder.IsNull()) binder = TP->Transferring(maprep); |
119 | Handle(TransferBRep_ShapeBinder) shbinder = |
120 | Handle(TransferBRep_ShapeBinder)::DownCast(binder); |
121 | if (shbinder.IsNull()) TP->AddWarning(mapit,"No Shape Produced"); |
122 | else { |
123 | theResult = shbinder->Result(); |
124 | Transform (theResult); |
125 | } |
126 | |
127 | return theResult; |
128 | } |