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1 | // Created on: 1993-08-05 |
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 <Geom_BSplineSurface.hxx> |
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19 | #include <GeomAbs_BSplKnotDistribution.hxx> |
20 | #include <GeomToStep_MakeBSplineSurfaceWithKnots.hxx> |
21 | #include <GeomToStep_MakeCartesianPoint.hxx> |
22 | #include <StdFail_NotDone.hxx> |
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23 | #include <StepGeom_BSplineSurfaceWithKnots.hxx> |
24 | #include <StepGeom_CartesianPoint.hxx> |
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25 | #include <StepGeom_HArray2OfCartesianPoint.hxx> |
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26 | #include <StepGeom_KnotType.hxx> |
27 | #include <TColgp_Array2OfPnt.hxx> |
28 | #include <TCollection_HAsciiString.hxx> |
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29 | #include <TColStd_HArray1OfInteger.hxx> |
30 | #include <TColStd_HArray1OfReal.hxx> |
31 | #include <TColStd_HArray2OfReal.hxx> |
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32 | |
33 | //============================================================================= |
34 | // Creation d' une bspline_Surface_with_knots_and_rational_bspline_Surface de |
35 | // prostep a partir d' une BSplineSurface de Geom |
36 | //============================================================================= |
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37 | GeomToStep_MakeBSplineSurfaceWithKnots:: |
38 | GeomToStep_MakeBSplineSurfaceWithKnots( const |
39 | Handle(Geom_BSplineSurface)& BS ) |
40 | |
41 | { |
42 | Handle(StepGeom_BSplineSurfaceWithKnots) BSWK; |
43 | Standard_Integer aUDegree, aVDegree, NU, NV, i, j, NUknots, NVknots, itampon; |
44 | Standard_Real rtampon; |
45 | Handle(StepGeom_CartesianPoint) Pt = new StepGeom_CartesianPoint; |
46 | Handle(StepGeom_HArray2OfCartesianPoint) aControlPointsList; |
47 | StepGeom_BSplineSurfaceForm aSurfaceForm; |
48 | StepData_Logical aUClosed, aVClosed, aSelfIntersect; |
49 | Handle(TColStd_HArray1OfInteger) aUMultiplicities, aVMultiplicities; |
50 | Handle(TColStd_HArray1OfReal) aUKnots, aVKnots; |
51 | Handle(TColStd_HArray2OfReal) aWeightsData; |
52 | GeomAbs_BSplKnotDistribution UDistribution, VDistribution; |
53 | StepGeom_KnotType KnotSpec; |
54 | |
55 | aUDegree = BS->UDegree(); |
56 | aVDegree = BS->VDegree(); |
57 | |
58 | NU = BS->NbUPoles(); |
59 | NV = BS->NbVPoles(); |
60 | TColgp_Array2OfPnt P(1,NU,1,NV); |
61 | BS->Poles(P); |
62 | aControlPointsList = new StepGeom_HArray2OfCartesianPoint(1,NU,1,NV); |
63 | for ( i=P.LowerRow(); i<=P.UpperRow(); i++) { |
64 | for ( j=P.LowerCol(); j<=P.UpperCol(); j++) { |
65 | GeomToStep_MakeCartesianPoint MkPoint(P.Value(i,j)); |
66 | Pt = MkPoint.Value(); |
67 | aControlPointsList->SetValue(i, j, Pt); |
68 | } |
69 | } |
70 | |
71 | aSurfaceForm = StepGeom_bssfUnspecified; |
72 | |
73 | if (BS->IsUClosed()) |
74 | aUClosed = StepData_LTrue; |
75 | else |
76 | aUClosed = StepData_LFalse; |
77 | |
78 | if (BS->IsVClosed()) |
79 | aVClosed = StepData_LTrue; |
80 | else |
81 | aVClosed = StepData_LFalse; |
82 | |
83 | aSelfIntersect = StepData_LFalse; |
84 | |
85 | NUknots = BS->NbUKnots(); |
86 | NVknots = BS->NbVKnots(); |
87 | TColStd_Array1OfInteger MU(1,NUknots); |
88 | BS->UMultiplicities(MU); |
89 | aUMultiplicities = new TColStd_HArray1OfInteger(1,NUknots); |
90 | for ( i=MU.Lower(); i<=MU.Upper(); i++) { |
91 | itampon = MU.Value(i); |
92 | aUMultiplicities->SetValue(i, itampon); |
93 | } |
94 | TColStd_Array1OfInteger MV(1,NVknots); |
95 | BS->VMultiplicities(MV); |
96 | aVMultiplicities = new TColStd_HArray1OfInteger(1,NVknots); |
97 | for ( i=MV.Lower(); i<=MV.Upper(); i++) { |
98 | itampon = MV.Value(i); |
99 | aVMultiplicities->SetValue(i, itampon); |
100 | } |
101 | |
102 | TColStd_Array1OfReal KU(1,NUknots); |
103 | TColStd_Array1OfReal KV(1,NVknots); |
104 | BS->UKnots(KU); |
105 | BS->VKnots(KV); |
106 | aUKnots = new TColStd_HArray1OfReal(1,NUknots); |
107 | aVKnots = new TColStd_HArray1OfReal(1,NVknots); |
108 | for ( i=KU.Lower(); i<=KU.Upper(); i++) { |
109 | rtampon = KU.Value(i); |
110 | aUKnots->SetValue(i, rtampon); |
111 | } |
112 | for ( i=KV.Lower(); i<=KV.Upper(); i++) { |
113 | rtampon = KV.Value(i); |
114 | aVKnots->SetValue(i, rtampon); |
115 | } |
116 | |
117 | UDistribution = BS->UKnotDistribution(); |
118 | VDistribution = BS->VKnotDistribution(); |
119 | if ( UDistribution == GeomAbs_NonUniform && |
120 | VDistribution == GeomAbs_NonUniform ) |
121 | KnotSpec = StepGeom_ktUnspecified; |
122 | else if ( UDistribution == GeomAbs_Uniform && |
123 | VDistribution == GeomAbs_Uniform ) |
124 | KnotSpec = StepGeom_ktUniformKnots; |
125 | else if ( UDistribution == GeomAbs_QuasiUniform && |
126 | VDistribution == GeomAbs_QuasiUniform ) |
127 | KnotSpec = StepGeom_ktQuasiUniformKnots; |
128 | else if ( UDistribution == GeomAbs_PiecewiseBezier && |
129 | VDistribution == GeomAbs_PiecewiseBezier ) |
130 | KnotSpec = StepGeom_ktPiecewiseBezierKnots; |
131 | else |
132 | KnotSpec = StepGeom_ktUnspecified; |
133 | |
134 | BSWK = new StepGeom_BSplineSurfaceWithKnots; |
135 | Handle(TCollection_HAsciiString) name = new TCollection_HAsciiString(""); |
136 | BSWK->Init(name, aUDegree, aVDegree, aControlPointsList, aSurfaceForm, |
137 | aUClosed, aVClosed, aSelfIntersect, aUMultiplicities, |
138 | aVMultiplicities, aUKnots, aVKnots, KnotSpec ); |
139 | |
140 | theBSplineSurfaceWithKnots = BSWK; |
141 | done = Standard_True; |
142 | } |
143 | |
144 | //============================================================================= |
145 | // renvoi des valeurs |
146 | //============================================================================= |
147 | |
148 | const Handle(StepGeom_BSplineSurfaceWithKnots) & |
149 | GeomToStep_MakeBSplineSurfaceWithKnots::Value() const |
150 | { |
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151 | StdFail_NotDone_Raise_if (!done, "GeomToStep_MakeBSplineSurfaceWithKnots::Value() - no result"); |
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152 | return theBSplineSurfaceWithKnots; |
153 | } |