1 // Copyright (c) 1999-2014 OPEN CASCADE SAS
2 //
3 // This file is part of Open CASCADE Technology software library.
4 //
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
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.
10 //
11 // Alternatively, this file may be used under the terms of Open CASCADE
12 // commercial license or contractual agreement.
13
14
15 #include <Interface_Check.hxx>
16 #include <Interface_EntityIterator.hxx>
17 #include <Interface_ShareTool.hxx>
18 #include <RWStepGeom_RWBSplineCurveWithKnots.hxx>
19 #include <StepData_Logical.hxx>
20 #include <StepData_StepReaderData.hxx>
21 #include <StepData_StepWriter.hxx>
22 #include <StepGeom_BSplineCurveForm.hxx>
23 #include <StepGeom_BSplineCurveWithKnots.hxx>
24 #include <StepGeom_CartesianPoint.hxx>
25 #include <StepGeom_HArray1OfCartesianPoint.hxx>
26 #include <StepGeom_KnotType.hxx>
27 #include <TCollection_AsciiString.hxx>
28 #include <TColStd_HArray1OfInteger.hxx>
29 #include <TColStd_HArray1OfReal.hxx>
30
31 // --- Enum : KnotType ---
32 static TCollection_AsciiString ktUniformKnots(".UNIFORM_KNOTS.");
33 static TCollection_AsciiString ktQuasiUniformKnots(".QUASI_UNIFORM_KNOTS.");
34 static TCollection_AsciiString ktPiecewiseBezierKnots(".PIECEWISE_BEZIER_KNOTS.");
35 static TCollection_AsciiString ktUnspecified(".UNSPECIFIED.");
36
37
38 // --- Enum : BSplineCurveForm ---
39 static TCollection_AsciiString bscfEllipticArc(".ELLIPTIC_ARC.");
40 static TCollection_AsciiString bscfPolylineForm(".POLYLINE_FORM.");
41 static TCollection_AsciiString bscfParabolicArc(".PARABOLIC_ARC.");
42 static TCollection_AsciiString bscfCircularArc(".CIRCULAR_ARC.");
43 static TCollection_AsciiString bscfUnspecified(".UNSPECIFIED.");
44 static TCollection_AsciiString bscfHyperbolicArc(".HYPERBOLIC_ARC.");
45
RWStepGeom_RWBSplineCurveWithKnots()46 RWStepGeom_RWBSplineCurveWithKnots::RWStepGeom_RWBSplineCurveWithKnots () {}
47
ReadStep(const Handle (StepData_StepReaderData)& data,const Standard_Integer num,Handle (Interface_Check)& ach,const Handle (StepGeom_BSplineCurveWithKnots)& ent) const48 void RWStepGeom_RWBSplineCurveWithKnots::ReadStep
49 (const Handle(StepData_StepReaderData)& data,
50 const Standard_Integer num,
51 Handle(Interface_Check)& ach,
52 const Handle(StepGeom_BSplineCurveWithKnots)& ent) const
53 {
54
55
56 // --- Number of Parameter Control ---
57
58 if (!data->CheckNbParams(num,9,ach,"b_spline_curve_with_knots")) return;
59
60 // --- inherited field : name ---
61
62 Handle(TCollection_HAsciiString) aName;
63 //szv#4:S4163:12Mar99 `Standard_Boolean stat1 =` not needed
64 data->ReadString (num,1,"name",ach,aName);
65
66 // --- inherited field : degree ---
67
68 Standard_Integer aDegree;
69 //szv#4:S4163:12Mar99 `Standard_Boolean stat2 =` not needed
70 data->ReadInteger (num,2,"degree",ach,aDegree);
71
72 // --- inherited field : controlPointsList ---
73
74 Handle(StepGeom_HArray1OfCartesianPoint) aControlPointsList;
75 Handle(StepGeom_CartesianPoint) anent3;
76 Standard_Integer nsub3;
77 if (data->ReadSubList (num,3,"control_points_list",ach,nsub3)) {
78 Standard_Integer nb3 = data->NbParams(nsub3);
79 if(nb3 <1)
80 ach->AddFail("Number of control points of the b_spline_curve_form is equal to 0");
81 else
82 {
83 aControlPointsList = new StepGeom_HArray1OfCartesianPoint (1, nb3);
84 for (Standard_Integer i3 = 1; i3 <= nb3; i3 ++) {
85 //szv#4:S4163:12Mar99 `Standard_Boolean stat3 =` not needed
86 if (data->ReadEntity (nsub3, i3,"cartesian_point", ach,
87 STANDARD_TYPE(StepGeom_CartesianPoint), anent3))
88 aControlPointsList->SetValue(i3, anent3);
89 }
90 }
91 }
92
93 // --- inherited field : curveForm ---
94
95 StepGeom_BSplineCurveForm aCurveForm = StepGeom_bscfPolylineForm;
96 if (data->ParamType(num,4) == Interface_ParamEnum) {
97 Standard_CString text = data->ParamCValue(num,4);
98 if (bscfEllipticArc.IsEqual(text)) aCurveForm = StepGeom_bscfEllipticArc;
99 else if (bscfPolylineForm.IsEqual(text)) aCurveForm = StepGeom_bscfPolylineForm;
100 else if (bscfParabolicArc.IsEqual(text)) aCurveForm = StepGeom_bscfParabolicArc;
101 else if (bscfCircularArc.IsEqual(text)) aCurveForm = StepGeom_bscfCircularArc;
102 else if (bscfUnspecified.IsEqual(text)) aCurveForm = StepGeom_bscfUnspecified;
103 else if (bscfHyperbolicArc.IsEqual(text)) aCurveForm = StepGeom_bscfHyperbolicArc;
104 else ach->AddFail("Enumeration b_spline_curve_form has not an allowed value");
105 }
106 else ach->AddFail("Parameter #4 (curve_form) is not an enumeration");
107
108 // --- inherited field : closedCurve ---
109
110 StepData_Logical aClosedCurve;
111 //szv#4:S4163:12Mar99 `Standard_Boolean stat5 =` not needed
112 data->ReadLogical (num,5,"closed_curve",ach,aClosedCurve);
113
114 // --- inherited field : selfIntersect ---
115
116 StepData_Logical aSelfIntersect;
117 //szv#4:S4163:12Mar99 `Standard_Boolean stat6 =` not needed
118 data->ReadLogical (num,6,"self_intersect",ach,aSelfIntersect);
119
120 // --- own field : knotMultiplicities ---
121
122 Handle(TColStd_HArray1OfInteger) aKnotMultiplicities;
123 Standard_Integer aKnotMultiplicitiesItem;
124 Standard_Integer nsub7;
125 if (data->ReadSubList (num,7,"knot_multiplicities",ach,nsub7)) {
126 Standard_Integer nb7 = data->NbParams(nsub7);
127 aKnotMultiplicities = new TColStd_HArray1OfInteger (1, nb7);
128 for (Standard_Integer i7 = 1; i7 <= nb7; i7 ++) {
129 //szv#4:S4163:12Mar99 `Standard_Boolean stat7 =` not needed
130 if (data->ReadInteger (nsub7,i7,"knot_multiplicities",ach,aKnotMultiplicitiesItem))
131 aKnotMultiplicities->SetValue(i7,aKnotMultiplicitiesItem);
132 }
133 }
134
135 // --- own field : knots ---
136
137 Handle(TColStd_HArray1OfReal) aKnots;
138 Standard_Real aKnotsItem;
139 Standard_Integer nsub8;
140 if (data->ReadSubList (num,8,"knots",ach,nsub8)) {
141 Standard_Integer nb8 = data->NbParams(nsub8);
142 aKnots = new TColStd_HArray1OfReal (1, nb8);
143 for (Standard_Integer i8 = 1; i8 <= nb8; i8 ++) {
144 //szv#4:S4163:12Mar99 `Standard_Boolean stat8 =` not needed
145 if (data->ReadReal (nsub8,i8,"knots",ach,aKnotsItem))
146 aKnots->SetValue(i8,aKnotsItem);
147 }
148 }
149
150 // --- own field : knotSpec ---
151
152 StepGeom_KnotType aKnotSpec = StepGeom_ktUniformKnots;
153 if (data->ParamType(num,9) == Interface_ParamEnum) {
154 Standard_CString text = data->ParamCValue(num,9);
155 if (ktUniformKnots.IsEqual(text)) aKnotSpec = StepGeom_ktUniformKnots;
156 else if (ktQuasiUniformKnots.IsEqual(text)) aKnotSpec = StepGeom_ktQuasiUniformKnots;
157 else if (ktPiecewiseBezierKnots.IsEqual(text)) aKnotSpec = StepGeom_ktPiecewiseBezierKnots;
158 else if (ktUnspecified.IsEqual(text)) aKnotSpec = StepGeom_ktUnspecified;
159 else ach->AddFail("Enumeration knot_type has not an allowed value");
160 }
161 else ach->AddFail("Parameter #9 (knot_spec) is not an enumeration");
162
163 //--- Initialisation of the read entity ---
164
165
166 ent->Init(aName, aDegree, aControlPointsList, aCurveForm, aClosedCurve, aSelfIntersect, aKnotMultiplicities, aKnots, aKnotSpec);
167 }
168
169
WriteStep(StepData_StepWriter & SW,const Handle (StepGeom_BSplineCurveWithKnots)& ent) const170 void RWStepGeom_RWBSplineCurveWithKnots::WriteStep
171 (StepData_StepWriter& SW,
172 const Handle(StepGeom_BSplineCurveWithKnots)& ent) const
173 {
174
175 // --- inherited field name ---
176
177 SW.Send(ent->Name());
178
179 // --- inherited field degree ---
180
181 SW.Send(ent->Degree());
182
183 // --- inherited field controlPointsList ---
184
185 SW.OpenSub();
186 for (Standard_Integer i3 = 1; i3 <= ent->NbControlPointsList(); i3 ++) {
187 SW.Send(ent->ControlPointsListValue(i3));
188 }
189 SW.CloseSub();
190
191 // --- inherited field curveForm ---
192
193 switch(ent->CurveForm()) {
194 case StepGeom_bscfEllipticArc : SW.SendEnum (bscfEllipticArc); break;
195 case StepGeom_bscfPolylineForm : SW.SendEnum (bscfPolylineForm); break;
196 case StepGeom_bscfParabolicArc : SW.SendEnum (bscfParabolicArc); break;
197 case StepGeom_bscfCircularArc : SW.SendEnum (bscfCircularArc); break;
198 case StepGeom_bscfUnspecified : SW.SendEnum (bscfUnspecified); break;
199 case StepGeom_bscfHyperbolicArc : SW.SendEnum (bscfHyperbolicArc); break;
200 }
201
202 // --- inherited field closedCurve ---
203
204 SW.SendLogical(ent->ClosedCurve());
205
206 // --- inherited field selfIntersect ---
207
208 SW.SendLogical(ent->SelfIntersect());
209
210 // --- own field : knotMultiplicities ---
211
212 SW.OpenSub();
213 for (Standard_Integer i7 = 1; i7 <= ent->NbKnotMultiplicities(); i7 ++) {
214 SW.Send(ent->KnotMultiplicitiesValue(i7));
215 }
216 SW.CloseSub();
217
218 // --- own field : knots ---
219
220 SW.OpenSub();
221 for (Standard_Integer i8 = 1; i8 <= ent->NbKnots(); i8 ++) {
222 SW.Send(ent->KnotsValue(i8));
223 }
224 SW.CloseSub();
225
226 // --- own field : knotSpec ---
227
228 switch(ent->KnotSpec()) {
229 case StepGeom_ktUniformKnots : SW.SendEnum (ktUniformKnots); break;
230 case StepGeom_ktQuasiUniformKnots : SW.SendEnum (ktQuasiUniformKnots); break;
231 case StepGeom_ktPiecewiseBezierKnots : SW.SendEnum (ktPiecewiseBezierKnots); break;
232 case StepGeom_ktUnspecified : SW.SendEnum (ktUnspecified); break;
233 }
234 }
235
236
Share(const Handle (StepGeom_BSplineCurveWithKnots)& ent,Interface_EntityIterator & iter) const237 void RWStepGeom_RWBSplineCurveWithKnots::Share(const Handle(StepGeom_BSplineCurveWithKnots)& ent, Interface_EntityIterator& iter) const
238 {
239
240 Standard_Integer nbElem1 = ent->NbControlPointsList();
241 for (Standard_Integer is1=1; is1<=nbElem1; is1 ++) {
242 iter.GetOneItem(ent->ControlPointsListValue(is1));
243 }
244
245 }
246
Check(const Handle (StepGeom_BSplineCurveWithKnots)& ent,const Interface_ShareTool &,Handle (Interface_Check)& ach) const247 void RWStepGeom_RWBSplineCurveWithKnots::Check
248 (const Handle(StepGeom_BSplineCurveWithKnots)& ent,
249 const Interface_ShareTool& ,
250 Handle(Interface_Check)& ach) const
251 {
252 Standard_Integer nbCPL = ent->NbControlPointsList();
253 Standard_Integer dgBSC = ent->Degree();
254 Standard_Integer nbMult = ent->NbKnotMultiplicities();
255 Standard_Integer nbKno = ent->NbKnots();
256 Standard_Integer sumMult = 0;
257 // std::cout << "BSplineCurveWithKnots: nbMult=" << nbMult << " nbKno= " <<
258 // nbKno << " nbCPL= " << nbCPL << " degree= " << dgBSC << std::endl;
259 if(nbMult != nbKno) {
260 ach->AddFail("ERROR: No.of KnotMultiplicities not equal No.of Knots");
261 }
262 Standard_Integer i;//svv Jan 10 2000: porting on DEC
263 for (i=1; i<=nbMult-1; i++) {
264 sumMult = sumMult + ent->KnotMultiplicitiesValue(i);
265 }
266 Standard_Integer sumNonP = nbCPL + dgBSC + 1;
267 Standard_Integer mult1 = ent->KnotMultiplicitiesValue(1);
268 Standard_Integer multN = ent->KnotMultiplicitiesValue(nbMult);
269 // std::cout << "BSplineCurveWithKnots: mult1=" << mult1 << " multN= " <<
270 // multN << " sumMult= " << sumMult << std::endl;
271 if((sumMult + multN) == sumNonP) {
272 }
273 else if((sumMult == nbCPL) && (mult1 == multN)) {
274 }
275 else {
276 ach->AddFail("ERROR: wrong number of Knot Multiplicities");
277 }
278 for(i=2; i<=nbKno; i++) {
279 Standard_Real distKn = ent->KnotsValue(i-1) - ent->KnotsValue(i);
280 if(Abs(distKn) <= RealEpsilon())
281 ach->AddWarning("WARNING: Curve contains identical KnotsValues");
282 else if(distKn > RealEpsilon())
283 ach->AddFail("ERROR: Curve contains descending KnotsValues");
284 }
285 }
286
287