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1 | // Created on: 1999-02-15 |
2 | // Created by: Igor FEOKTISTOV |
3 | // Copyright (c) 1999-1999 Matra Datavision |
4 | // Copyright (c) 1999-2012 OPEN CASCADE SAS |
5 | // |
6 | // The content of this file is subject to the Open CASCADE Technology Public |
7 | // License Version 6.5 (the "License"). You may not use the content of this file |
8 | // except in compliance with the License. Please obtain a copy of the License |
9 | // at http://www.opencascade.org and read it completely before using this file. |
10 | // |
11 | // The Initial Developer of the Original Code is Open CASCADE S.A.S., having its |
12 | // main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France. |
13 | // |
14 | // The Original Code and all software distributed under the License is |
15 | // distributed on an "AS IS" basis, without warranty of any kind, and the |
16 | // Initial Developer hereby disclaims all such warranties, including without |
17 | // limitation, any warranties of merchantability, fitness for a particular |
18 | // purpose or non-infringement. Please see the License for the specific terms |
19 | // and conditions governing the rights and limitations under the License. |
20 | |
7fd59977 |
21 | |
22 | #include <PLib_Base.hxx> |
23 | #include <PLib_JacobiPolynomial.hxx> |
24 | #include <PLib_HermitJacobi.hxx> |
25 | #include <TColStd_Array1OfReal.hxx> |
26 | #include <math_Vector.hxx> |
27 | |
28 | void AppParCurves_Variational::AssemblingConstraints(const Handle(FEmTool_Curve)& Curve, |
29 | const TColStd_Array1OfReal& Parameters, |
30 | const Standard_Real CBLONG, |
31 | FEmTool_Assembly& A ) const |
32 | { |
33 | |
34 | Standard_Integer MxDeg = Curve->Base()->WorkDegree(), |
35 | NbElm = Curve->NbElements(), |
36 | NbDim = Curve->Dimension(); |
37 | |
38 | TColStd_Array1OfReal G0(0, MxDeg), G1(0, MxDeg), G2(0, MxDeg); |
39 | math_Vector V0((Standard_Real*)&G0(0), 0, MxDeg), |
40 | V1((Standard_Real*)&G1(0), 0, MxDeg), |
41 | V2((Standard_Real*)&G2(0), 0, MxDeg); |
42 | |
43 | Standard_Integer IndexOfConstraint, Ng3d, Ng2d, NBeg2d, NPass, NgPC1, |
44 | NTang3d, NTang2d, |
45 | Point, TypOfConstr, |
46 | p0 = Parameters.Lower() - myFirstPoint, |
47 | curel = 1, el, i, ipnt, ityp, j, k, pnt, curdim, |
48 | jt, Ntheta = 6 * myNbP3d + 2 * myNbP2d; |
49 | Standard_Integer NbConstr = myNbPassPoints + myNbTangPoints + myNbCurvPoints; |
50 | |
51 | // Ng3d = 3 * NbConstr + 2 * myNbTangPoints + 5 * myNbCurvPoints; |
52 | // Ng2d = 2 * NbConstr + 1 * myNbTangPoints + 3 * myNbCurvPoints; |
53 | Ng3d = 3 * NbConstr + 3 * myNbTangPoints + 5 * myNbCurvPoints; |
54 | Ng2d = 2 * NbConstr + 2 * myNbTangPoints + 3 * myNbCurvPoints; |
55 | NBeg2d = Ng3d * myNbP3d; |
56 | // NgPC1 = NbConstr + myNbCurvPoints; |
57 | NgPC1 = NbConstr + myNbTangPoints + myNbCurvPoints; |
58 | NPass = 0; |
59 | NTang3d = 3 * NgPC1; |
60 | NTang2d = 2 * NgPC1; |
61 | |
62 | TColStd_Array1OfReal& Intervals = Curve->Knots(); |
63 | |
64 | Standard_Real t, R1, R2; |
65 | |
66 | Handle(PLib_Base) myBase = Curve->Base(); |
67 | Handle(PLib_HermitJacobi) myHermitJacobi = (*((Handle(PLib_HermitJacobi)*)&myBase)); |
68 | Standard_Integer Order = myHermitJacobi->NivConstr() + 1; |
69 | |
70 | Standard_Real UFirst, ULast, coeff, c0, mfact, mfact1; |
71 | |
72 | A.NullifyConstraint(); |
73 | |
74 | ipnt = -1; |
75 | ityp = 0; |
76 | for(i = 1; i <= NbConstr; i++) { |
77 | |
78 | ipnt += 2; ityp += 2; |
79 | |
80 | Point = myTypConstraints->Value(ipnt); |
81 | TypOfConstr = myTypConstraints->Value(ityp); |
82 | |
83 | t = Parameters(p0 + Point); |
84 | |
85 | for(el = curel; el <= NbElm; ) { |
86 | if( t <= Intervals(++el) ) { |
87 | curel = el - 1; |
88 | break; |
89 | } |
90 | } |
91 | |
92 | |
93 | UFirst = Intervals(curel); ULast = Intervals(curel + 1); |
94 | coeff = (ULast - UFirst)/2.; c0 = (ULast + UFirst)/2.; |
95 | |
96 | t = (t - c0) / coeff; |
97 | |
98 | if(TypOfConstr == 0) { |
99 | myBase->D0(t, G0); |
100 | for(k = 1; k < Order; k++) { |
101 | mfact = Pow(coeff, k); |
102 | G0(k) *= mfact; |
103 | G0(k + Order) *= mfact; |
104 | } |
105 | } |
106 | else if(TypOfConstr == 1) { |
107 | myBase->D1(t, G0, G1); |
108 | for(k = 1; k < Order; k++) { |
109 | mfact = Pow(coeff, k); |
110 | G0(k) *= mfact; |
111 | G0(k + Order) *= mfact; |
112 | G1(k) *= mfact; |
113 | G1(k + Order) *= mfact; |
114 | } |
115 | mfact = 1./coeff; |
116 | for(k = 0; k <= MxDeg; k++) { |
117 | G1(k) *= mfact; |
118 | } |
119 | } |
120 | else { |
121 | myBase->D2(t, G0, G1, G2); |
122 | for(k = 1; k < Order; k++) { |
123 | mfact = Pow(coeff, k); |
124 | G0(k) *= mfact; |
125 | G0(k + Order) *= mfact; |
126 | G1(k) *= mfact; |
127 | G1(k + Order) *= mfact; |
128 | G2(k) *= mfact; |
129 | G2(k + Order) *= mfact; |
130 | } |
131 | mfact = 1. / coeff; |
132 | mfact1 = mfact / coeff; |
133 | for(k = 0; k <= MxDeg; k++) { |
134 | G1(k) *= mfact; |
135 | G2(k) *= mfact1; |
136 | } |
137 | } |
138 | |
139 | NPass++; |
140 | |
141 | j = NbDim * (Point - myFirstPoint); |
142 | Standard_Integer n0 = NPass; |
143 | curdim = 0; |
144 | for(pnt = 1; pnt <= myNbP3d; pnt++) { |
145 | IndexOfConstraint = n0; |
146 | for(k = 1; k <= 3; k++) { |
147 | curdim++; |
148 | A.AddConstraint(IndexOfConstraint, curel, curdim, V0, myTabPoints->Value(j + k)); |
149 | IndexOfConstraint += NgPC1; |
150 | } |
151 | j +=3; |
152 | n0 += Ng3d; |
153 | } |
154 | |
155 | n0 = NPass + NBeg2d; |
156 | for(pnt = 1; pnt <= myNbP2d; pnt++) { |
157 | IndexOfConstraint = n0; |
158 | for(k = 1; k <= 2; k++) { |
159 | curdim++; |
160 | A.AddConstraint(IndexOfConstraint, curel, curdim, V0, myTabPoints->Value(j + k)); |
161 | IndexOfConstraint += NgPC1; |
162 | } |
163 | j +=2; |
164 | n0 += Ng2d; |
165 | } |
166 | |
167 | /* if(TypOfConstr == 1) { |
168 | |
169 | IndexOfConstraint = NTang3d + 1; |
170 | jt = Ntheta * (i - 1); |
171 | for(pnt = 1; pnt <= myNbP3d; pnt++) { |
172 | for(k = 1; k <= 3; k++) { |
173 | A.AddConstraint(IndexOfConstraint, curel, k, myTtheta->Value(jt + k) * V1, 0.); |
174 | A.AddConstraint(IndexOfConstraint + 1, curel, k, myTtheta->Value(jt + 3 + k) * V1, 0.); |
175 | } |
176 | IndexOfConstraint += Ng3d; |
177 | jt += 6; |
178 | } |
179 | |
180 | IndexOfConstraint = NBeg2d + NTang2d + 1; |
181 | for(pnt = 1; pnt <= myNbP2d; pnt++) { |
182 | for(k = 1; k <= 2; k++) { |
183 | A.AddConstraint(IndexOfConstraint, curel, k, myTtheta->Value(jt + k) * V1, 0.); |
184 | } |
185 | IndexOfConstraint += Ng2d; |
186 | jt += 2; |
187 | } |
188 | |
189 | NTang3d += 2; |
190 | NTang2d += 1; |
191 | } */ |
192 | if(TypOfConstr == 1) { |
193 | |
194 | NPass++; |
195 | n0 = NPass; |
196 | j = 2 * NbDim * (i - 1); |
197 | curdim = 0; |
198 | for(pnt = 1; pnt <= myNbP3d; pnt++) { |
199 | IndexOfConstraint = n0; |
200 | for(k = 1; k <= 3; k++) { |
201 | curdim++; |
202 | A.AddConstraint(IndexOfConstraint, curel, curdim, V1, CBLONG * myTabConstraints->Value(j + k)); |
203 | IndexOfConstraint += NgPC1; |
204 | } |
205 | n0 += Ng3d; |
206 | j += 6; |
207 | } |
208 | |
209 | n0 = NPass + NBeg2d; |
210 | for(pnt = 1; pnt <= myNbP2d; pnt++) { |
211 | IndexOfConstraint = n0; |
212 | for(k = 1; k <= 2; k++) { |
213 | curdim++; |
214 | A.AddConstraint(IndexOfConstraint, curel, curdim, V1, CBLONG * myTabConstraints->Value(j + k)); |
215 | IndexOfConstraint += NgPC1; |
216 | } |
217 | n0 += Ng2d; |
218 | j += 4; |
219 | } |
220 | } |
221 | if(TypOfConstr == 2) { |
222 | |
223 | NPass++; |
224 | n0 = NPass; |
225 | j = 2 * NbDim * (i - 1); |
226 | curdim = 0; |
227 | for(pnt = 1; pnt <= myNbP3d; pnt++) { |
228 | IndexOfConstraint = n0; |
229 | for(k = 1; k <= 3; k++) { |
230 | curdim++; |
231 | A.AddConstraint(IndexOfConstraint, curel, curdim, V1, CBLONG * myTabConstraints->Value(j + k)); |
232 | IndexOfConstraint += NgPC1; |
233 | } |
234 | n0 += Ng3d; |
235 | j += 6; |
236 | } |
237 | |
238 | n0 = NPass + NBeg2d; |
239 | for(pnt = 1; pnt <= myNbP2d; pnt++) { |
240 | IndexOfConstraint = n0; |
241 | for(k = 1; k <= 2; k++) { |
242 | curdim++; |
243 | A.AddConstraint(IndexOfConstraint, curel, curdim, V1, CBLONG * myTabConstraints->Value(j + k)); |
244 | IndexOfConstraint += NgPC1; |
245 | } |
246 | n0 += Ng2d; |
247 | j += 4; |
248 | } |
249 | |
250 | j = 2 * NbDim * (i - 1) + 3; |
251 | jt = Ntheta * (i - 1); |
252 | IndexOfConstraint = NTang3d + 1; |
253 | curdim = 0; |
254 | for(pnt = 1; pnt <= myNbP3d; pnt++) { |
255 | R1 = 0.; R2 = 0.; |
256 | for(k = 1; k <= 3; k++) { |
257 | R1 += myTabConstraints->Value(j + k) * myTtheta->Value(jt + k); |
258 | R2 += myTabConstraints->Value(j + k) * myTtheta->Value(jt + 3 + k); |
259 | } |
260 | R1 *= CBLONG * CBLONG; |
261 | R2 *= CBLONG * CBLONG; |
262 | for(k = 1; k <= 3; k++) { |
263 | curdim++; |
264 | if(k > 1) R1 = R2 = 0.; |
265 | A.AddConstraint(IndexOfConstraint, curel, curdim, myTfthet->Value(jt + k) * V2, R1); |
266 | A.AddConstraint(IndexOfConstraint + 1, curel, curdim, myTfthet->Value(jt + 3 + k) * V2, R2); |
267 | } |
268 | IndexOfConstraint += Ng3d; |
269 | j += 6; |
270 | jt += 6; |
271 | } |
272 | |
273 | j--; |
274 | IndexOfConstraint = NBeg2d + NTang2d + 1; |
275 | for(pnt = 1; pnt <= myNbP2d; pnt++) { |
276 | R1 = 0.; |
277 | for(k = 1; k <= 2; k++) { |
278 | R1 += myTabConstraints->Value(j + k) * myTtheta->Value(jt + k); |
279 | } |
280 | R1 *= CBLONG * CBLONG; |
281 | for(k = 1; k <= 2; k++) { |
282 | curdim++; |
283 | if(k > 1) R1 = 0.; |
284 | A.AddConstraint(IndexOfConstraint, curel, curdim, myTfthet->Value(jt + k) * V2, R1); |
285 | } |
286 | IndexOfConstraint += Ng2d; |
287 | j += 4; |
288 | jt += 2; |
289 | } |
290 | |
291 | NTang3d += 2; |
292 | NTang2d += 1; |
293 | } |
294 | |
295 | } |
296 | |
297 | } |