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1 | // Created by: Modelization |
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2 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
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3 | // |
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4 | // This file is part of Open CASCADE Technology software library. |
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5 | // |
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6 | // This library is free software; you can redistribute it and/or modify it under |
7 | // the terms of the GNU Lesser General Public License version 2.1 as published |
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8 | // by the Free Software Foundation, with special exception defined in the file |
9 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
10 | // distribution for complete text of the license and disclaimer of any warranty. |
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11 | // |
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12 | // Alternatively, this file may be used under the terms of Open CASCADE |
13 | // commercial license or contractual agreement. |
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14 | |
15 | #include <IntPatch_Intersection.ixx> |
16 | |
17 | #include <IntPatch_ALineToWLine.hxx> |
18 | #include <IntPatch_GLine.hxx> |
19 | #include <IntPatch_ALine.hxx> |
20 | #include <IntPatch_WLine.hxx> |
21 | #include <IntPatch_RLine.hxx> |
22 | #include <IntPatch_PrmPrmIntersection.hxx> |
23 | #include <IntPatch_ImpPrmIntersection.hxx> |
24 | #include <IntPatch_ImpImpIntersection.hxx> |
25 | #include <IntSurf_Quadric.hxx> |
26 | |
27 | #include <stdio.h> |
28 | |
29 | #define DEBUG 0 |
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30 | static const Standard_Integer aNbPointsInALine = 200; |
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31 | |
32 | //====================================================================== |
33 | // function: SequenceOfLine |
34 | //====================================================================== |
35 | const IntPatch_SequenceOfLine& IntPatch_Intersection::SequenceOfLine() const { return(slin); } |
36 | |
37 | //====================================================================== |
38 | // function: IntPatch_Intersection |
39 | //====================================================================== |
40 | IntPatch_Intersection::IntPatch_Intersection () |
41 | : done(Standard_False), |
42 | //empt, tgte, oppo, |
43 | myTolArc(0.0), myTolTang(0.0), |
44 | myUVMaxStep(0.0), myFleche(0.0), |
45 | myIsStartPnt(Standard_False) |
46 | //myU1Start, myV1Start, myU2Start, myV2Start |
47 | { |
48 | } |
49 | |
50 | //====================================================================== |
51 | // function: IntPatch_Intersection |
52 | //====================================================================== |
53 | IntPatch_Intersection::IntPatch_Intersection(const Handle(Adaptor3d_HSurface)& S1, |
54 | const Handle(Adaptor3d_TopolTool)& D1, |
55 | const Handle(Adaptor3d_HSurface)& S2, |
56 | const Handle(Adaptor3d_TopolTool)& D2, |
57 | const Standard_Real TolArc, |
58 | const Standard_Real TolTang) |
59 | : done(Standard_False), |
60 | //empt, tgte, oppo, |
61 | myTolArc(TolArc), myTolTang(TolTang), |
62 | myUVMaxStep(0.0), myFleche(0.0), |
63 | myIsStartPnt(Standard_False) |
64 | //myU1Start, myV1Start, myU2Start, myV2Start |
65 | { |
66 | if(myTolArc<1e-8) myTolArc=1e-8; |
67 | if(myTolTang<1e-8) myTolTang=1e-8; |
68 | if(myTolArc>0.5) myTolArc=0.5; |
69 | if(myTolTang>0.5) myTolTang=0.5; |
70 | Perform(S1,D1,S2,D2,TolArc,TolTang); |
71 | } |
72 | |
73 | //====================================================================== |
74 | // function: IntPatch_Intersection |
75 | //====================================================================== |
76 | IntPatch_Intersection::IntPatch_Intersection(const Handle(Adaptor3d_HSurface)& S1, |
77 | const Handle(Adaptor3d_TopolTool)& D1, |
78 | const Standard_Real TolArc, |
79 | const Standard_Real TolTang) |
80 | : done(Standard_False), |
81 | //empt, tgte, oppo, |
82 | myTolArc(TolArc), myTolTang(TolTang), |
83 | myUVMaxStep(0.0), myFleche(0.0), |
84 | myIsStartPnt(Standard_False) |
85 | //myU1Start, myV1Start, myU2Start, myV2Start |
86 | { |
87 | Perform(S1,D1,TolArc,TolTang); |
88 | } |
89 | |
90 | //====================================================================== |
91 | // function: SetTolerances |
92 | //====================================================================== |
93 | void IntPatch_Intersection::SetTolerances(const Standard_Real TolArc, |
94 | const Standard_Real TolTang, |
95 | const Standard_Real UVMaxStep, |
96 | const Standard_Real Fleche) |
97 | { |
98 | myTolArc = TolArc; |
99 | myTolTang = TolTang; |
100 | myUVMaxStep = UVMaxStep; |
101 | myFleche = Fleche; |
102 | if(myTolArc<1e-8) myTolArc=1e-8; |
103 | if(myTolTang<1e-8) myTolTang=1e-8; |
104 | if(myTolArc>0.5) myTolArc=0.5; |
105 | if(myTolTang>0.5) myTolTang=0.5; |
106 | if(myFleche<1.0e-3) myFleche=1e-3; |
107 | if(myUVMaxStep<1.0e-3) myUVMaxStep=1e-3; |
108 | if(myFleche>10) myFleche=10; |
109 | if(myUVMaxStep>0.5) myUVMaxStep=0.5; |
110 | } |
111 | |
112 | //====================================================================== |
113 | // function: Perform |
114 | //====================================================================== |
115 | void IntPatch_Intersection::Perform(const Handle(Adaptor3d_HSurface)& S1, |
116 | const Handle(Adaptor3d_TopolTool)& D1, |
117 | const Standard_Real TolArc, |
118 | const Standard_Real TolTang) |
119 | { |
120 | myTolArc = TolArc; |
121 | myTolTang = TolTang; |
122 | if(myFleche == 0.0) myFleche = 0.01; |
123 | if(myUVMaxStep==0.0) myUVMaxStep = 0.01; |
124 | |
125 | done = Standard_True; |
126 | spnt.Clear(); |
127 | slin.Clear(); |
128 | |
129 | empt = Standard_True; |
130 | tgte = Standard_False; |
131 | oppo = Standard_False; |
132 | |
133 | switch (S1->GetType()) |
134 | { |
135 | case GeomAbs_Plane: |
136 | case GeomAbs_Cylinder: |
137 | case GeomAbs_Sphere: |
138 | case GeomAbs_Cone: |
139 | case GeomAbs_Torus: break; |
140 | default: |
141 | { |
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142 | IntPatch_PrmPrmIntersection interpp; |
143 | interpp.Perform(S1,D1,TolArc,TolTang,myFleche,myUVMaxStep); |
144 | if (interpp.IsDone()) |
145 | { |
146 | done = Standard_True; |
147 | tgte = Standard_False; |
148 | empt = interpp.IsEmpty(); |
149 | const Standard_Integer nblm = interpp.NbLines(); |
150 | for (Standard_Integer i=1; i<=nblm; i++) slin.Append(interpp.Line(i)); |
151 | } |
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152 | } |
153 | break; |
154 | } |
155 | } |
156 | |
157 | ///////////////////////////////////////////////////////////////////////////// |
158 | // These several support functions provide methods which can help basic // |
159 | // algorithm to intersect infinite surfaces of the following types: // |
160 | // // |
161 | // a.) SurfaceOfExtrusion; // |
162 | // b.) SurfaceOfRevolution; // |
163 | // c.) OffsetSurface. // |
164 | // // |
165 | ///////////////////////////////////////////////////////////////////////////// |
166 | #include <TColgp_Array1OfXYZ.hxx> |
167 | #include <TColgp_Array1OfPnt.hxx> |
168 | #include <TColgp_SequenceOfPnt.hxx> |
169 | #include <Extrema_ExtPS.hxx> |
170 | #include <Extrema_POnSurf.hxx> |
171 | #include <Geom2d_Curve.hxx> |
172 | #include <Geom2dAPI_InterCurveCurve.hxx> |
173 | #include <GeomAdaptor.hxx> |
174 | #include <GeomAdaptor_HCurve.hxx> |
175 | #include <GeomAdaptor_Curve.hxx> |
176 | #include <GeomAdaptor_Surface.hxx> |
177 | #include <Handle_GeomAdaptor_HSurface.hxx> |
178 | #include <Geom_Plane.hxx> |
179 | #include <ProjLib_ProjectOnPlane.hxx> |
180 | #include <GeomProjLib.hxx> |
181 | #include <ElCLib.hxx> |
182 | #include <Geom_TrimmedCurve.hxx> |
183 | #include <Geom_Surface.hxx> |
184 | #include <Geom_SurfaceOfLinearExtrusion.hxx> |
185 | #include <Geom_OffsetSurface.hxx> |
186 | #include <Geom_SurfaceOfRevolution.hxx> |
187 | #include <Geom_RectangularTrimmedSurface.hxx> |
188 | |
189 | //=============================================================== |
190 | //function: FUN_GetMinMaxXYZPnt |
191 | //=============================================================== |
192 | static void FUN_GetMinMaxXYZPnt( const Handle(Adaptor3d_HSurface)& S, |
193 | gp_Pnt& pMin, gp_Pnt& pMax ) |
194 | { |
195 | const Standard_Real DU = 0.25 * Abs(S->LastUParameter() - S->FirstUParameter()); |
196 | const Standard_Real DV = 0.25 * Abs(S->LastVParameter() - S->FirstVParameter()); |
197 | Standard_Real tMinXYZ = RealLast(); |
198 | Standard_Real tMaxXYZ = -tMinXYZ; |
199 | gp_Pnt PUV, ptMax, ptMin; |
200 | for(Standard_Real U = S->FirstUParameter(); U <= S->LastUParameter(); U += DU) |
201 | { |
202 | for(Standard_Real V = S->FirstVParameter(); V <= S->LastVParameter(); V += DV) |
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203 | { |
204 | S->D0(U,V,PUV); |
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205 | const Standard_Real cXYZ = PUV.XYZ().Modulus(); |
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206 | if(cXYZ > tMaxXYZ) { tMaxXYZ = cXYZ; ptMax = PUV; } |
207 | if(cXYZ < tMinXYZ) { tMinXYZ = cXYZ; ptMin = PUV; } |
208 | } |
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209 | } |
210 | pMin = ptMin; |
211 | pMax = ptMax; |
212 | } |
213 | //========================================================================== |
214 | //function: FUN_TrimInfSurf |
215 | //========================================================================== |
216 | static void FUN_TrimInfSurf(const gp_Pnt& Pmin, |
217 | const gp_Pnt& Pmax, |
218 | const Handle(Adaptor3d_HSurface)& InfSurf, |
219 | const Standard_Real& AlternativeTrimPrm, |
220 | Handle(Adaptor3d_HSurface)& TrimS) |
221 | { |
222 | Standard_Real TP = AlternativeTrimPrm; |
223 | Extrema_ExtPS ext1(Pmin, InfSurf->Surface(), 1.e-7, 1.e-7); |
224 | Extrema_ExtPS ext2(Pmax, InfSurf->Surface(), 1.e-7, 1.e-7); |
225 | if(ext1.IsDone() || ext2.IsDone()) |
226 | { |
227 | Standard_Real Umax = -1.e+100, Umin = 1.e+100, Vmax = -1.e+100, Vmin = 1.e+100, cU, cV; |
228 | if(ext1.IsDone()) |
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229 | { |
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230 | for(Standard_Integer i = 1; i <= ext1.NbExt(); i++) |
231 | { |
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232 | const Extrema_POnSurf & pons = ext1.Point(i); |
233 | pons.Parameter(cU,cV); |
234 | if(cU > Umax) Umax = cU; |
235 | if(cU < Umin) Umin = cU; |
236 | if(cV > Vmax) Vmax = cV; |
237 | if(cV < Vmin) Vmin = cV; |
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238 | } |
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239 | } |
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240 | if(ext2.IsDone()) |
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241 | { |
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242 | for(Standard_Integer i = 1; i <= ext2.NbExt(); i++) |
243 | { |
244 | const Extrema_POnSurf & pons = ext2.Point(i); |
245 | pons.Parameter(cU,cV); |
246 | if(cU > Umax) Umax = cU; |
247 | if(cU < Umin) Umin = cU; |
248 | if(cV > Vmax) Vmax = cV; |
249 | if(cV < Vmin) Vmin = cV; |
250 | } |
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251 | } |
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252 | TP = Max(Abs(Umin),Max(Abs(Umax),Max(Abs(Vmin),Abs(Vmax)))); |
253 | } |
254 | if(TP == 0.) { TrimS = InfSurf; return; } |
255 | else |
256 | { |
257 | const Standard_Boolean Uinf = Precision::IsNegativeInfinite(InfSurf->FirstUParameter()); |
258 | const Standard_Boolean Usup = Precision::IsPositiveInfinite(InfSurf->LastUParameter()); |
259 | const Standard_Boolean Vinf = Precision::IsNegativeInfinite(InfSurf->FirstVParameter()); |
260 | const Standard_Boolean Vsup = Precision::IsPositiveInfinite(InfSurf->LastVParameter()); |
261 | Handle(Adaptor3d_HSurface) TmpSS; |
262 | Standard_Integer IsTrimed = 0; |
263 | const Standard_Real tp = 1000.0 * TP; |
264 | if(Vinf && Vsup) { TrimS = InfSurf->VTrim(-tp, tp, 1.0e-7); IsTrimed = 1; } |
265 | if(Vinf && !Vsup){ TrimS = InfSurf->VTrim(-tp, InfSurf->LastVParameter(), 1.0e-7); IsTrimed = 1; } |
266 | if(!Vinf && Vsup){ TrimS = InfSurf->VTrim(InfSurf->FirstVParameter(), tp, 1.0e-7); IsTrimed = 1; } |
267 | if(IsTrimed) |
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268 | { |
269 | TmpSS = TrimS; |
270 | if(Uinf && Usup) TrimS = TmpSS->UTrim(-tp, tp, 1.0e-7); |
271 | if(Uinf && !Usup) TrimS = TmpSS->UTrim(-tp, InfSurf->LastUParameter(), 1.0e-7); |
272 | if(!Uinf && Usup) TrimS = TmpSS->UTrim(InfSurf->FirstUParameter(), tp, 1.0e-7); |
273 | } |
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274 | else |
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275 | { |
276 | if(Uinf && Usup) TrimS = InfSurf->UTrim(-tp, tp, 1.0e-7); |
277 | if(Uinf && !Usup) TrimS = InfSurf->UTrim(-tp, InfSurf->LastUParameter(), 1.0e-7); |
278 | if(!Uinf && Usup) TrimS = InfSurf->UTrim(InfSurf->FirstUParameter(), tp, 1.0e-7); |
279 | } |
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280 | } |
281 | } |
282 | //================================================================================ |
283 | //function: FUN_GetUiso |
284 | //================================================================================ |
285 | static void FUN_GetUiso(const Handle(Geom_Surface)& GS, |
286 | const GeomAbs_SurfaceType& T, |
287 | const Standard_Real& FirstV, |
288 | const Standard_Real& LastV, |
289 | const Standard_Boolean& IsVC, |
290 | const Standard_Boolean& IsVP, |
291 | const Standard_Real& U, |
292 | Handle(Geom_Curve)& I) |
293 | { |
294 | if(T != GeomAbs_OffsetSurface) |
295 | { |
296 | Handle(Geom_Curve) gc = GS->UIso(U); |
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297 | if(IsVP && (FirstV == 0.0 && LastV == (2.*M_PI))) I = gc; |
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298 | else |
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299 | { |
300 | Handle(Geom_TrimmedCurve) gtc = new Geom_TrimmedCurve(gc,FirstV,LastV); |
301 | //szv:I = Handle(Geom_Curve)::DownCast(gtc); |
302 | I = gtc; |
303 | } |
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304 | } |
305 | else//OffsetSurface |
306 | { |
307 | const Handle(Geom_OffsetSurface) gos = *(Handle_Geom_OffsetSurface*)&GS; |
308 | const Handle(Geom_Surface) bs = gos->BasisSurface(); |
309 | Handle(Geom_Curve) gcbs = bs->UIso(U); |
310 | GeomAdaptor_Curve gac(gcbs); |
311 | const GeomAbs_CurveType GACT = gac.GetType(); |
312 | if(IsVP || IsVC || GACT == GeomAbs_BSplineCurve || GACT == GeomAbs_BezierCurve || Abs(LastV - FirstV) < 1.e+5) |
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313 | { |
314 | Handle(Geom_Curve) gc = gos->UIso(U); |
315 | if(IsVP && (FirstV == 0.0 && LastV == (2*M_PI))) I = gc; |
316 | else |
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317 | { |
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318 | Handle(Geom_TrimmedCurve) gtc = new Geom_TrimmedCurve(gc,FirstV,LastV); |
319 | //szv:I = Handle(Geom_Curve)::DownCast(gtc); |
320 | I = gtc; |
321 | } |
322 | } |
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323 | else//Offset Line, Parab, Hyperb |
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324 | { |
325 | Standard_Real VmTr, VMTr; |
326 | if(GACT != GeomAbs_Hyperbola) |
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327 | { |
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328 | if(FirstV >= 0. && LastV >= 0.){ VmTr = FirstV; VMTr = ((LastV - FirstV) > 1.e+4) ? (FirstV + 1.e+4) : LastV; } |
329 | else if(FirstV < 0. && LastV < 0.){ VMTr = LastV; VmTr = ((FirstV - LastV) < -1.e+4) ? (LastV - 1.e+4) : FirstV; } |
330 | else { VmTr = (FirstV < -1.e+4) ? -1.e+4 : FirstV; VMTr = (LastV > 1.e+4) ? 1.e+4 : LastV; } |
331 | } |
332 | else//Hyperbola |
333 | { |
334 | if(FirstV >= 0. && LastV >= 0.) |
335 | { |
336 | if(FirstV > 4.) return; |
337 | VmTr = FirstV; VMTr = (LastV > 4.) ? 4. : LastV; |
338 | } |
339 | else if(FirstV < 0. && LastV < 0.) |
340 | { |
341 | if(LastV < -4.) return; |
342 | VMTr = LastV; VmTr = (FirstV < -4.) ? -4. : FirstV; |
343 | } |
344 | else { VmTr = (FirstV < -4.) ? -4. : FirstV; VMTr = (LastV > 4.) ? 4. : LastV; } |
345 | } |
346 | //Make trimmed surface |
347 | Handle(Geom_RectangularTrimmedSurface) rts = new Geom_RectangularTrimmedSurface(gos,VmTr,VMTr,Standard_True); |
348 | I = rts->UIso(U); |
349 | } |
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350 | } |
351 | } |
352 | //================================================================================ |
353 | //function: FUN_GetViso |
354 | //================================================================================ |
355 | static void FUN_GetViso(const Handle(Geom_Surface)& GS, |
356 | const GeomAbs_SurfaceType& T, |
357 | const Standard_Real& FirstU, |
358 | const Standard_Real& LastU, |
359 | const Standard_Boolean& IsUC, |
360 | const Standard_Boolean& IsUP, |
361 | const Standard_Real& V, |
362 | Handle(Geom_Curve)& I) |
363 | { |
364 | if(T != GeomAbs_OffsetSurface) |
365 | { |
366 | Handle(Geom_Curve) gc = GS->VIso(V); |
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367 | if(IsUP && (FirstU == 0.0 && LastU == (2*M_PI))) I = gc; |
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368 | else |
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369 | { |
370 | Handle(Geom_TrimmedCurve) gtc = new Geom_TrimmedCurve(gc,FirstU,LastU); |
371 | //szv:I = Handle(Geom_Curve)::DownCast(gtc); |
372 | I = gtc; |
373 | } |
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374 | } |
375 | else//OffsetSurface |
376 | { |
377 | const Handle(Geom_OffsetSurface) gos = *(Handle_Geom_OffsetSurface*)&GS; |
378 | const Handle(Geom_Surface) bs = gos->BasisSurface(); |
379 | Handle(Geom_Curve) gcbs = bs->VIso(V); |
380 | GeomAdaptor_Curve gac(gcbs); |
381 | const GeomAbs_CurveType GACT = gac.GetType(); |
382 | if(IsUP || IsUC || GACT == GeomAbs_BSplineCurve || GACT == GeomAbs_BezierCurve || Abs(LastU - FirstU) < 1.e+5) |
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383 | { |
384 | Handle(Geom_Curve) gc = gos->VIso(V); |
385 | if(IsUP && (FirstU == 0.0 && LastU == (2*M_PI))) I = gc; |
386 | else |
387 | { |
388 | Handle(Geom_TrimmedCurve) gtc = new Geom_TrimmedCurve(gc,FirstU,LastU); |
389 | //szv:I = Handle(Geom_Curve)::DownCast(gtc); |
390 | I = gtc; |
391 | } |
392 | } |
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393 | else//Offset Line, Parab, Hyperb |
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394 | { |
395 | Standard_Real UmTr, UMTr; |
396 | if(GACT != GeomAbs_Hyperbola) |
397 | { |
398 | if(FirstU >= 0. && LastU >= 0.){ UmTr = FirstU; UMTr = ((LastU - FirstU) > 1.e+4) ? (FirstU + 1.e+4) : LastU; } |
399 | else if(FirstU < 0. && LastU < 0.){ UMTr = LastU; UmTr = ((FirstU - LastU) < -1.e+4) ? (LastU - 1.e+4) : FirstU; } |
400 | else { UmTr = (FirstU < -1.e+4) ? -1.e+4 : FirstU; UMTr = (LastU > 1.e+4) ? 1.e+4 : LastU; } |
401 | } |
402 | else//Hyperbola |
403 | { |
404 | if(FirstU >= 0. && LastU >= 0.) |
405 | { |
406 | if(FirstU > 4.) return; |
407 | UmTr = FirstU; UMTr = (LastU > 4.) ? 4. : LastU; |
408 | } |
409 | else if(FirstU < 0. && LastU < 0.) |
410 | { |
411 | if(LastU < -4.) return; |
412 | UMTr = LastU; UmTr = (FirstU < -4.) ? -4. : FirstU; |
413 | } |
414 | else { UmTr = (FirstU < -4.) ? -4. : FirstU; UMTr = (LastU > 4.) ? 4. : LastU; } |
415 | } |
416 | //Make trimmed surface |
417 | Handle(Geom_RectangularTrimmedSurface) rts = new Geom_RectangularTrimmedSurface(gos,UmTr,UMTr,Standard_True); |
418 | I = rts->VIso(V); |
419 | } |
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420 | } |
421 | } |
422 | //================================================================================ |
423 | //function: FUN_PL_Intersection |
424 | //================================================================================ |
425 | static void FUN_PL_Intersection(const Handle(Adaptor3d_HSurface)& S1, |
426 | const GeomAbs_SurfaceType& T1, |
427 | const Handle(Adaptor3d_HSurface)& S2, |
428 | const GeomAbs_SurfaceType& T2, |
429 | Standard_Boolean& IsOk, |
430 | TColgp_SequenceOfPnt& SP, |
431 | gp_Vec& DV) |
432 | { |
433 | IsOk = Standard_False; |
434 | // 1. Check: both surfaces have U(V)isos - lines. |
435 | DV = gp_Vec(0.,0.,1.); |
436 | Standard_Boolean isoS1isLine[2] = {0, 0}; |
437 | Standard_Boolean isoS2isLine[2] = {0, 0}; |
438 | Handle(Geom_Curve) C1, C2; |
439 | const GeomAdaptor_Surface & gas1 = *(GeomAdaptor_Surface*)(&(S1->Surface())); |
440 | const GeomAdaptor_Surface & gas2 = *(GeomAdaptor_Surface*)(&(S2->Surface())); |
441 | const Handle(Geom_Surface) gs1 = gas1.Surface(); |
442 | const Handle(Geom_Surface) gs2 = gas2.Surface(); |
443 | Standard_Real MS1[2], MS2[2]; |
444 | MS1[0] = 0.5 * (S1->LastUParameter() + S1->FirstUParameter()); |
445 | MS1[1] = 0.5 * (S1->LastVParameter() + S1->FirstVParameter()); |
446 | MS2[0] = 0.5 * (S2->LastUParameter() + S2->FirstUParameter()); |
447 | MS2[1] = 0.5 * (S2->LastVParameter() + S2->FirstVParameter()); |
448 | if(T1 == GeomAbs_SurfaceOfExtrusion) isoS1isLine[0] = Standard_True; |
449 | else if(!S1->IsVPeriodic() && !S1->IsVClosed()) { |
450 | if(T1 != GeomAbs_OffsetSurface) C1 = gs1->UIso(MS1[0]); |
451 | else { |
452 | const Handle(Geom_OffsetSurface) gos = *(Handle_Geom_OffsetSurface*)&gs1; |
453 | const Handle(Geom_Surface) bs = gos->BasisSurface(); |
454 | C1 = bs->UIso(MS1[0]); |
455 | } |
456 | GeomAdaptor_Curve gac(C1); |
457 | if(gac.GetType() == GeomAbs_Line) isoS1isLine[0] = Standard_True; |
458 | } |
459 | if(!S1->IsUPeriodic() && !S1->IsUClosed()) { |
460 | if(T1 != GeomAbs_OffsetSurface) C1 = gs1->VIso(MS1[1]); |
461 | else { |
462 | const Handle(Geom_OffsetSurface) gos = *(Handle_Geom_OffsetSurface*)&gs1; |
463 | const Handle(Geom_Surface) bs = gos->BasisSurface(); |
464 | C1 = bs->VIso(MS1[1]); |
465 | } |
466 | GeomAdaptor_Curve gac(C1); |
467 | if(gac.GetType() == GeomAbs_Line) isoS1isLine[1] = Standard_True; |
468 | } |
469 | if(T2 == GeomAbs_SurfaceOfExtrusion) isoS2isLine[0] = Standard_True; |
470 | else if(!S2->IsVPeriodic() && !S2->IsVClosed()) { |
471 | if(T2 != GeomAbs_OffsetSurface) C2 = gs2->UIso(MS2[0]); |
472 | else { |
473 | const Handle(Geom_OffsetSurface) gos = *(Handle_Geom_OffsetSurface*)&gs2; |
474 | const Handle(Geom_Surface) bs = gos->BasisSurface(); |
475 | C2 = bs->UIso(MS2[0]); |
476 | } |
477 | GeomAdaptor_Curve gac(C2); |
478 | if(gac.GetType() == GeomAbs_Line) isoS2isLine[0] = Standard_True; |
479 | } |
480 | if(!S2->IsUPeriodic() && !S2->IsUClosed()) { |
481 | if(T2 != GeomAbs_OffsetSurface) C2 = gs2->VIso(MS2[1]); |
482 | else { |
483 | const Handle(Geom_OffsetSurface) gos = *(Handle_Geom_OffsetSurface*)&gs2; |
484 | const Handle(Geom_Surface) bs = gos->BasisSurface(); |
485 | C2 = bs->VIso(MS2[1]); |
486 | } |
487 | GeomAdaptor_Curve gac(C2); |
488 | if(gac.GetType() == GeomAbs_Line) isoS2isLine[1] = Standard_True; |
489 | } |
490 | Standard_Boolean IsBothLines = ((isoS1isLine[0] || isoS1isLine[1]) && |
491 | (isoS2isLine[0] || isoS2isLine[1])); |
492 | if(!IsBothLines){ |
493 | return; |
494 | } |
495 | // 2. Check: Uiso lines of both surfaces are collinear. |
496 | gp_Pnt puvS1, puvS2; |
497 | gp_Vec derS1[2], derS2[2]; |
498 | S1->D1(MS1[0], MS1[1], puvS1, derS1[0], derS1[1]); |
499 | S2->D1(MS2[0], MS2[1], puvS2, derS2[0], derS2[1]); |
500 | C1.Nullify(); C2.Nullify(); |
501 | Standard_Integer iso = 0; |
502 | if(isoS1isLine[0] && isoS2isLine[0] && |
503 | derS1[1].IsParallel(derS2[1],Precision::Angular())) { |
504 | iso = 1; |
505 | FUN_GetViso(gs1,T1,S1->FirstUParameter(),S1->LastUParameter(), |
506 | S1->IsUClosed(),S1->IsUPeriodic(),MS1[1],C1); |
507 | FUN_GetViso(gs2,T2,S2->FirstUParameter(),S2->LastUParameter(), |
508 | S2->IsUClosed(),S2->IsUPeriodic(),MS2[1],C2); |
509 | } |
510 | else if(isoS1isLine[0] && isoS2isLine[1] && |
511 | derS1[1].IsParallel(derS2[0],Precision::Angular())) { |
512 | iso = 1; |
513 | FUN_GetViso(gs1,T1,S1->FirstUParameter(),S1->LastUParameter(), |
514 | S1->IsUClosed(),S1->IsUPeriodic(),MS1[1],C1); |
515 | FUN_GetUiso(gs2,T2,S2->FirstVParameter(),S2->LastVParameter(), |
516 | S2->IsVClosed(),S2->IsVPeriodic(),MS2[0],C2); |
517 | } |
518 | else if(isoS1isLine[1] && isoS2isLine[0] && |
519 | derS1[0].IsParallel(derS2[1],Precision::Angular())) { |
520 | iso = 0; |
521 | FUN_GetUiso(gs1,T1,S1->FirstVParameter(),S1->LastVParameter(), |
522 | S1->IsVClosed(),S1->IsVPeriodic(),MS1[0],C1); |
523 | FUN_GetViso(gs2,T2,S2->FirstUParameter(),S2->LastUParameter(), |
524 | S2->IsUClosed(),S2->IsUPeriodic(),MS2[1],C2); |
525 | } |
526 | else if(isoS1isLine[1] && isoS2isLine[1] && |
527 | derS1[0].IsParallel(derS2[0],Precision::Angular())) { |
528 | iso = 0; |
529 | FUN_GetUiso(gs1,T1,S1->FirstVParameter(),S1->LastVParameter(), |
530 | S1->IsVClosed(),S1->IsVPeriodic(),MS1[0],C1); |
531 | FUN_GetUiso(gs2,T2,S2->FirstVParameter(),S2->LastVParameter(), |
532 | S2->IsVClosed(),S2->IsVPeriodic(),MS2[0],C2); |
533 | } |
534 | else { |
535 | IsOk = Standard_False; |
536 | return; |
537 | } |
538 | IsOk = Standard_True; |
539 | // 3. Make intersections of V(U)isos |
540 | if(C1.IsNull() || C2.IsNull()) return; |
541 | DV = derS1[iso]; |
542 | Handle(Geom_Plane) GPln = new Geom_Plane(gp_Pln(puvS1,gp_Dir(DV))); |
543 | Handle(Geom_Curve) C1Prj = |
544 | GeomProjLib::ProjectOnPlane(C1,GPln,gp_Dir(DV),Standard_True); |
545 | Handle(Geom_Curve) C2Prj = |
546 | GeomProjLib::ProjectOnPlane(C2,GPln,gp_Dir(DV),Standard_True); |
547 | if(C1Prj.IsNull() || C2Prj.IsNull()) return; |
548 | Handle(Geom2d_Curve) C1Prj2d = |
549 | GeomProjLib::Curve2d(C1Prj,*(Handle_Geom_Surface *)&GPln); |
550 | Handle(Geom2d_Curve) C2Prj2d = |
551 | GeomProjLib::Curve2d(C2Prj,*(Handle_Geom_Surface *)&GPln); |
552 | Geom2dAPI_InterCurveCurve ICC(C1Prj2d,C2Prj2d,1.0e-7); |
553 | if(ICC.NbPoints() > 0 ) |
554 | { |
555 | for(Standard_Integer ip = 1; ip <= ICC.NbPoints(); ip++) |
1d18c75e |
556 | { |
557 | gp_Pnt2d P = ICC.Point(ip); |
558 | gp_Pnt P3d = ElCLib::To3d(gp_Ax2(puvS1,gp_Dir(DV)),P); |
559 | SP.Append(P3d); |
560 | } |
7fd59977 |
561 | } |
562 | } |
563 | //================================================================================ |
564 | //function: FUN_NewFirstLast |
565 | //================================================================================ |
566 | static void FUN_NewFirstLast(const GeomAbs_CurveType& ga_ct, |
567 | const Standard_Real& Fst, |
568 | const Standard_Real& Lst, |
569 | const Standard_Real& TrVal, |
570 | Standard_Real& NewFst, |
571 | Standard_Real& NewLst, |
572 | Standard_Boolean& NeedTr) |
573 | { |
574 | NewFst = Fst; NewLst = Lst; NeedTr = Standard_False; |
575 | switch (ga_ct) |
576 | { |
577 | case GeomAbs_Line: |
578 | case GeomAbs_Parabola: |
579 | { |
580 | if(Abs(Lst - Fst) > TrVal) |
1d18c75e |
581 | { |
582 | if(Fst >= 0. && Lst >= 0.) |
7fd59977 |
583 | { |
1d18c75e |
584 | NewFst = Fst; |
585 | NewLst = ((Fst + TrVal) < Lst) ? (Fst + TrVal) : Lst; |
586 | } |
587 | if(Fst < 0. && Lst < 0.) |
588 | { |
589 | NewLst = Lst; |
590 | NewFst = ((Lst - TrVal) > Fst) ? (Lst - TrVal) : Fst; |
591 | } |
592 | else |
593 | { |
594 | NewFst = (Fst < -TrVal) ? -TrVal : Fst; |
595 | NewLst = (Lst > TrVal) ? TrVal : Lst; |
596 | } |
597 | NeedTr = Standard_True; |
598 | } |
599 | break; |
7fd59977 |
600 | } |
1d18c75e |
601 | case GeomAbs_Hyperbola: |
7fd59977 |
602 | { |
603 | if(Abs(Lst - Fst) > 10.) |
1d18c75e |
604 | { |
605 | if(Fst >= 0. && Lst >= 0.) |
606 | { |
607 | if(Fst > 4.) return; |
608 | NewFst = Fst; |
609 | NewLst = (Lst > 4.) ? 4. : Lst; |
610 | } |
611 | if(Fst < 0. && Lst < 0.) |
612 | { |
613 | if(Lst < -4.) return; |
614 | NewLst = Lst; |
615 | NewFst = (Fst < -4.) ? -4. : Fst; |
616 | } |
617 | else |
618 | { |
619 | NewFst = (Fst < -4.) ? -4. : Fst; |
620 | NewLst = (Lst > 4.) ? 4. : Lst; |
621 | } |
622 | NeedTr = Standard_True; |
623 | } |
7fd59977 |
624 | break; |
625 | } |
1d18c75e |
626 | default: |
566f8441 |
627 | break; |
7fd59977 |
628 | } |
629 | } |
630 | //================================================================================ |
631 | //function: FUN_TrimBothSurf |
1d18c75e |
632 | //================================================================================ |
7fd59977 |
633 | static void FUN_TrimBothSurf(const Handle(Adaptor3d_HSurface)& S1, |
634 | const GeomAbs_SurfaceType& T1, |
635 | const Handle(Adaptor3d_HSurface)& S2, |
636 | const GeomAbs_SurfaceType& T2, |
637 | const Standard_Real& TV, |
638 | Handle(Adaptor3d_HSurface)& NS1, |
639 | Handle(Adaptor3d_HSurface)& NS2) |
640 | { |
641 | const GeomAdaptor_Surface & gas1 = *(GeomAdaptor_Surface*)(&(S1->Surface())); |
642 | const GeomAdaptor_Surface & gas2 = *(GeomAdaptor_Surface*)(&(S2->Surface())); |
643 | const Handle(Geom_Surface) gs1 = gas1.Surface(); |
644 | const Handle(Geom_Surface) gs2 = gas2.Surface(); |
645 | const Standard_Real UM1 = 0.5 * (S1->LastUParameter() + S1->FirstUParameter()); |
646 | const Standard_Real UM2 = 0.5 * (S2->LastUParameter() + S2->FirstUParameter()); |
647 | const Standard_Real VM1 = 0.5 * (S1->LastVParameter() + S1->FirstVParameter()); |
648 | const Standard_Real VM2 = 0.5 * (S2->LastVParameter() + S2->FirstVParameter()); |
649 | Handle(Geom_Curve) visoS1, visoS2, uisoS1, uisoS2; |
650 | if(T1 != GeomAbs_OffsetSurface){ visoS1 = gs1->VIso(VM1); uisoS1 = gs1->UIso(UM1); } |
651 | else |
652 | { |
653 | const Handle(Geom_OffsetSurface) gos = *(Handle_Geom_OffsetSurface*)&gs1; |
654 | const Handle(Geom_Surface) bs = gos->BasisSurface(); |
655 | visoS1 = bs->VIso(VM1); uisoS1 = bs->UIso(UM1); |
656 | } |
657 | if(T2 != GeomAbs_OffsetSurface){ visoS2 = gs2->VIso(VM2); uisoS2 = gs2->UIso(UM2); } |
658 | else |
659 | { |
660 | const Handle(Geom_OffsetSurface) gos = *(Handle_Geom_OffsetSurface*)&gs2; |
661 | const Handle(Geom_Surface) bs = gos->BasisSurface(); |
662 | visoS2 = bs->VIso(VM2); uisoS2 = bs->UIso(UM2); |
663 | } |
664 | if(uisoS1.IsNull() || uisoS2.IsNull() || visoS1.IsNull() || visoS2.IsNull()){ NS1 = S1; NS2 = S2; return; } |
665 | GeomAdaptor_Curve gau1(uisoS1); |
666 | GeomAdaptor_Curve gav1(visoS1); |
667 | GeomAdaptor_Curve gau2(uisoS2); |
668 | GeomAdaptor_Curve gav2(visoS2); |
669 | GeomAbs_CurveType GA_U1 = gau1.GetType(); |
670 | GeomAbs_CurveType GA_V1 = gav1.GetType(); |
671 | GeomAbs_CurveType GA_U2 = gau2.GetType(); |
672 | GeomAbs_CurveType GA_V2 = gav2.GetType(); |
673 | Standard_Boolean TrmU1 = Standard_False; |
674 | Standard_Boolean TrmV1 = Standard_False; |
675 | Standard_Boolean TrmU2 = Standard_False; |
676 | Standard_Boolean TrmV2 = Standard_False; |
677 | Standard_Real V1S1,V2S1,U1S1,U2S1, V1S2,V2S2,U1S2,U2S2; |
678 | FUN_NewFirstLast(GA_U1,S1->FirstVParameter(),S1->LastVParameter(),TV,V1S1,V2S1,TrmV1); |
679 | FUN_NewFirstLast(GA_V1,S1->FirstUParameter(),S1->LastUParameter(),TV,U1S1,U2S1,TrmU1); |
680 | FUN_NewFirstLast(GA_U2,S2->FirstVParameter(),S2->LastVParameter(),TV,V1S2,V2S2,TrmV2); |
681 | FUN_NewFirstLast(GA_V2,S2->FirstUParameter(),S2->LastUParameter(),TV,U1S2,U2S2,TrmU2); |
682 | if(TrmV1) NS1 = S1->VTrim(V1S1, V2S1, 1.0e-7); |
683 | if(TrmV2) NS2 = S2->VTrim(V1S2, V2S2, 1.0e-7); |
684 | if(TrmU1) |
685 | { |
686 | if(TrmV1) |
1d18c75e |
687 | { |
688 | Handle(Adaptor3d_HSurface) TS = NS1; |
689 | NS1 = TS->UTrim(U1S1, U2S1, 1.0e-7); |
690 | } |
7fd59977 |
691 | else NS1 = S1->UTrim(U1S1, U2S1, 1.0e-7); |
692 | } |
693 | if(TrmU2) |
694 | { |
695 | if(TrmV2) |
1d18c75e |
696 | { |
697 | Handle(Adaptor3d_HSurface) TS = NS2; |
698 | NS2 = TS->UTrim(U1S2, U2S2, 1.0e-7); |
699 | } |
7fd59977 |
700 | else NS2 = S2->UTrim(U1S2, U2S2, 1.0e-7); |
701 | } |
702 | } |
703 | |
704 | //======================================================================= |
705 | //function : Perform |
706 | //purpose : |
707 | //======================================================================= |
788cbaf4 |
708 | void IntPatch_Intersection::Perform(const Handle(Adaptor3d_HSurface)& theS1, |
709 | const Handle(Adaptor3d_TopolTool)& theD1, |
710 | const Handle(Adaptor3d_HSurface)& theS2, |
711 | const Handle(Adaptor3d_TopolTool)& theD2, |
7fd59977 |
712 | const Standard_Real TolArc, |
788cbaf4 |
713 | const Standard_Real TolTang, |
714 | const Standard_Boolean isGeomInt) |
715 | { |
7fd59977 |
716 | myTolArc = TolArc; |
717 | myTolTang = TolTang; |
788cbaf4 |
718 | if(myFleche <= Precision::PConfusion()) |
719 | myFleche = 0.01; |
720 | if(myUVMaxStep <= Precision::PConfusion()) |
721 | myUVMaxStep = 0.01; |
722 | |
7fd59977 |
723 | done = Standard_False; |
724 | spnt.Clear(); |
725 | slin.Clear(); |
726 | empt = Standard_True; |
727 | tgte = Standard_False; |
728 | oppo = Standard_False; |
729 | |
788cbaf4 |
730 | GeomAbs_SurfaceType typs1 = theS1->GetType(); |
731 | GeomAbs_SurfaceType typs2 = theS2->GetType(); |
7fd59977 |
732 | |
18d25b93 |
733 | //treatment of the cases with cone or torus |
7fd59977 |
734 | Standard_Boolean TreatAsBiParametric = Standard_False; |
1d18c75e |
735 | Standard_Integer bGeomGeom = 0; |
18d25b93 |
736 | // |
737 | if (typs1 == GeomAbs_Cone || typs2 == GeomAbs_Cone || |
738 | typs1 == GeomAbs_Torus || typs2 == GeomAbs_Torus) { |
739 | gp_Ax1 aCTAx, aGeomAx; |
740 | GeomAbs_SurfaceType aCTType; |
741 | Standard_Boolean bToCheck; |
742 | // |
743 | const Handle(Adaptor3d_HSurface)& aCTSurf = |
744 | (typs1 == GeomAbs_Cone || typs1 == GeomAbs_Torus) ? theS1 : theS2; |
745 | const Handle(Adaptor3d_HSurface)& aGeomSurf = |
746 | (typs1 == GeomAbs_Cone || typs1 == GeomAbs_Torus) ? theS2 : theS1; |
747 | // |
748 | aCTType = aCTSurf->GetType(); |
749 | bToCheck = Standard_False; |
750 | // |
1d18c75e |
751 | if (typs1 == GeomAbs_Cone || typs2 == GeomAbs_Cone) { |
752 | const gp_Cone aCon1 = (aCTType == GeomAbs_Cone) ? |
753 | aCTSurf->Cone() : aGeomSurf->Cone(); |
754 | Standard_Real a1 = Abs(aCon1.SemiAngle()); |
18d25b93 |
755 | bToCheck = (a1 < 0.02) || (a1 > 1.55); |
1d18c75e |
756 | // |
18d25b93 |
757 | if (typs1 == typs2) { |
1d18c75e |
758 | const gp_Cone aCon2 = aGeomSurf->Cone(); |
759 | Standard_Real a2 = Abs(aCon2.SemiAngle()); |
18d25b93 |
760 | bToCheck = bToCheck || (a2 < 0.02) || (a2 > 1.55); |
761 | // |
762 | if (a1 > 1.55 && a2 > 1.55) {//quasi-planes: if same domain, treat as canonic |
18d25b93 |
763 | const gp_Ax1 A1 = aCon1.Axis(), A2 = aCon2.Axis(); |
764 | if (A1.IsParallel(A2,Precision::Angular())) { |
765 | const gp_Pnt Apex1 = aCon1.Apex(), Apex2 = aCon2.Apex(); |
766 | const gp_Pln Plan1( Apex1, A1.Direction() ); |
767 | if (Plan1.Distance( Apex2 ) <= Precision::Confusion()) { |
768 | bToCheck = Standard_False; |
18d25b93 |
769 | } |
788cbaf4 |
770 | } |
771 | } |
7fd59977 |
772 | } |
18d25b93 |
773 | // |
1d18c75e |
774 | TreatAsBiParametric = bToCheck; |
775 | if (aCTType == GeomAbs_Cone) { |
776 | aCTAx = aCon1.Axis(); |
777 | } |
7fd59977 |
778 | } |
1d18c75e |
779 | // |
780 | if (typs1 == GeomAbs_Torus || typs2 == GeomAbs_Torus) { |
781 | const gp_Torus aTor1 = (aCTType == GeomAbs_Torus) ? |
782 | aCTSurf->Torus() : aGeomSurf->Torus(); |
783 | bToCheck = aTor1.MajorRadius() > aTor1.MinorRadius(); |
784 | if (typs1 == typs2) { |
785 | const gp_Torus aTor2 = aGeomSurf->Torus(); |
786 | bToCheck = aTor2.MajorRadius() > aTor2.MinorRadius(); |
787 | } |
788 | // |
789 | if (aCTType == GeomAbs_Torus) { |
790 | aCTAx = aTor1.Axis(); |
18d25b93 |
791 | } |
18d25b93 |
792 | } |
793 | // |
794 | if (bToCheck) { |
795 | const gp_Lin aL1(aCTAx); |
796 | // |
797 | switch (aGeomSurf->GetType()) { |
798 | case GeomAbs_Plane: { |
799 | aGeomAx = aGeomSurf->Plane().Axis(); |
800 | if (aCTType == GeomAbs_Cone) { |
1d18c75e |
801 | bGeomGeom = 1; |
18d25b93 |
802 | if (Abs(aCTSurf->Cone().SemiAngle()) < 0.02) { |
803 | Standard_Real ps = Abs(aCTAx.Direction().Dot(aGeomAx.Direction())); |
804 | if(ps < 0.015) { |
1d18c75e |
805 | bGeomGeom = 0; |
18d25b93 |
806 | } |
788cbaf4 |
807 | } |
808 | } |
18d25b93 |
809 | else { |
810 | if (aCTAx.IsParallel(aGeomAx, Precision::Angular()) || |
811 | (aCTAx.IsNormal(aGeomAx, Precision::Angular()) && |
812 | (aGeomSurf->Plane().Distance(aCTAx.Location()) < Precision::Confusion()))) { |
1d18c75e |
813 | bGeomGeom = 1; |
18d25b93 |
814 | } |
815 | } |
816 | bToCheck = Standard_False; |
817 | break; |
7fd59977 |
818 | } |
18d25b93 |
819 | case GeomAbs_Sphere: { |
820 | if (aL1.Distance(aGeomSurf->Sphere().Location()) < Precision::Confusion()) { |
1d18c75e |
821 | bGeomGeom = 1; |
18d25b93 |
822 | } |
823 | bToCheck = Standard_False; |
824 | break; |
7fd59977 |
825 | } |
18d25b93 |
826 | case GeomAbs_Cylinder: |
827 | aGeomAx = aGeomSurf->Cylinder().Axis(); |
828 | break; |
829 | case GeomAbs_Cone: |
830 | aGeomAx = aGeomSurf->Cone().Axis(); |
831 | break; |
832 | case GeomAbs_Torus: |
833 | aGeomAx = aGeomSurf->Torus().Axis(); |
834 | break; |
835 | default: |
836 | bToCheck = Standard_False; |
837 | break; |
838 | } |
839 | // |
840 | if (bToCheck) { |
841 | if (aCTAx.IsParallel(aGeomAx, Precision::Angular()) && |
842 | (aL1.Distance(aGeomAx.Location()) <= Precision::Confusion())) { |
1d18c75e |
843 | bGeomGeom = 1; |
788cbaf4 |
844 | } |
7fd59977 |
845 | } |
18d25b93 |
846 | // |
1d18c75e |
847 | if (bGeomGeom == 1) { |
848 | TreatAsBiParametric = Standard_False; |
18d25b93 |
849 | } |
850 | } |
851 | } |
852 | // |
788cbaf4 |
853 | |
854 | if(theD1->DomainIsInfinite() || theD2->DomainIsInfinite()) { |
bf0ba813 |
855 | TreatAsBiParametric= Standard_False; |
856 | } |
7fd59977 |
857 | |
858 | // Modified by skv - Mon Sep 26 14:58:30 2005 Begin |
859 | // if(TreatAsBiParametric) { typs1 = typs2 = GeomAbs_BezierSurface; } |
788cbaf4 |
860 | if(TreatAsBiParametric) |
861 | { |
7fd59977 |
862 | if (typs1 == GeomAbs_Cone && typs2 == GeomAbs_Plane) |
863 | typs1 = GeomAbs_BezierSurface; // Using Imp-Prm Intersector |
864 | else if (typs1 == GeomAbs_Plane && typs2 == GeomAbs_Cone) |
865 | typs2 = GeomAbs_BezierSurface; // Using Imp-Prm Intersector |
866 | else { |
867 | // Using Prm-Prm Intersector |
868 | typs1 = GeomAbs_BezierSurface; |
869 | typs2 = GeomAbs_BezierSurface; |
870 | } |
871 | } |
872 | // Modified by skv - Mon Sep 26 14:58:30 2005 End |
873 | |
874 | // Surface type definition |
875 | Standard_Integer ts1 = 0; |
876 | switch (typs1) |
877 | { |
878 | case GeomAbs_Plane: |
879 | case GeomAbs_Cylinder: |
880 | case GeomAbs_Sphere: |
881 | case GeomAbs_Cone: ts1 = 1; break; |
1d18c75e |
882 | case GeomAbs_Torus: ts1 = bGeomGeom; break; |
7fd59977 |
883 | default: break; |
884 | } |
788cbaf4 |
885 | |
7fd59977 |
886 | Standard_Integer ts2 = 0; |
887 | switch (typs2) |
888 | { |
889 | case GeomAbs_Plane: |
890 | case GeomAbs_Cylinder: |
891 | case GeomAbs_Sphere: |
892 | case GeomAbs_Cone: ts2 = 1; break; |
1d18c75e |
893 | case GeomAbs_Torus: ts2 = bGeomGeom; break; |
7fd59977 |
894 | default: break; |
895 | } |
7eed5d29 |
896 | // |
897 | // treatment of the cases with torus and any other geom surface |
7eed5d29 |
898 | // |
7fd59977 |
899 | // Possible intersection types: 1. ts1 == ts2 == 1 <Geom-Geom> |
900 | // 2. ts1 != ts2 <Geom-Param> |
901 | // 3. ts1 == ts2 == 0 <Param-Param> |
902 | |
903 | // Geom - Geom |
904 | if(ts1 == ts2 && ts1 == 1) |
905 | { |
788cbaf4 |
906 | const Standard_Boolean RestrictLine = Standard_True; |
907 | IntSurf_ListOfPntOn2S ListOfPnts; |
908 | ListOfPnts.Clear(); |
909 | if(isGeomInt) |
910 | { |
911 | GeomGeomPerfom(theS1, theD1, theS2, theD2, TolArc, TolTang, ListOfPnts, RestrictLine, typs1, typs2); |
912 | } |
913 | else |
914 | { |
915 | ParamParamPerfom(theS1, theD1, theS2, theD2, TolArc, TolTang, ListOfPnts, RestrictLine, typs1, typs2); |
916 | } |
7fd59977 |
917 | } |
788cbaf4 |
918 | |
7fd59977 |
919 | // Geom - Param |
920 | if(ts1 != ts2) |
921 | { |
788cbaf4 |
922 | GeomParamPerfom(theS1, theD1, theS2, theD2, ts1 == 0, typs1, typs2); |
7fd59977 |
923 | } |
788cbaf4 |
924 | |
7fd59977 |
925 | // Param - Param |
926 | if(ts1 == ts2 && ts1 == 0) |
927 | { |
788cbaf4 |
928 | const Standard_Boolean RestrictLine = Standard_True; |
929 | IntSurf_ListOfPntOn2S ListOfPnts; |
930 | ListOfPnts.Clear(); |
931 | |
932 | ParamParamPerfom(theS1, theD1, theS2, theD2, TolArc, TolTang, ListOfPnts, RestrictLine, typs1, typs2); |
7fd59977 |
933 | } |
934 | } |
18d25b93 |
935 | |
7fd59977 |
936 | //======================================================================= |
937 | //function : Perform |
938 | //purpose : |
939 | //======================================================================= |
788cbaf4 |
940 | void IntPatch_Intersection::Perform(const Handle(Adaptor3d_HSurface)& theS1, |
941 | const Handle(Adaptor3d_TopolTool)& theD1, |
942 | const Handle(Adaptor3d_HSurface)& theS2, |
943 | const Handle(Adaptor3d_TopolTool)& theD2, |
7fd59977 |
944 | const Standard_Real TolArc, |
945 | const Standard_Real TolTang, |
946 | IntSurf_ListOfPntOn2S& ListOfPnts, |
788cbaf4 |
947 | const Standard_Boolean RestrictLine, |
948 | const Standard_Boolean isGeomInt) |
7fd59977 |
949 | { |
950 | myTolArc = TolArc; |
951 | myTolTang = TolTang; |
788cbaf4 |
952 | if(myFleche <= Precision::PConfusion()) |
953 | myFleche = 0.01; |
954 | if(myUVMaxStep <= Precision::PConfusion()) |
955 | myUVMaxStep = 0.01; |
7fd59977 |
956 | |
957 | done = Standard_False; |
958 | spnt.Clear(); |
959 | slin.Clear(); |
960 | empt = Standard_True; |
961 | tgte = Standard_False; |
962 | oppo = Standard_False; |
963 | |
788cbaf4 |
964 | GeomAbs_SurfaceType typs1 = theS1->GetType(); |
965 | GeomAbs_SurfaceType typs2 = theS2->GetType(); |
18d25b93 |
966 | // |
967 | //treatment of the cases with cone or torus |
7fd59977 |
968 | Standard_Boolean TreatAsBiParametric = Standard_False; |
1d18c75e |
969 | Standard_Integer bGeomGeom = 0; |
18d25b93 |
970 | // |
971 | if (typs1 == GeomAbs_Cone || typs2 == GeomAbs_Cone || |
972 | typs1 == GeomAbs_Torus || typs2 == GeomAbs_Torus) { |
973 | gp_Ax1 aCTAx, aGeomAx; |
974 | GeomAbs_SurfaceType aCTType; |
975 | Standard_Boolean bToCheck; |
976 | // |
977 | const Handle(Adaptor3d_HSurface)& aCTSurf = |
978 | (typs1 == GeomAbs_Cone || typs1 == GeomAbs_Torus) ? theS1 : theS2; |
979 | const Handle(Adaptor3d_HSurface)& aGeomSurf = |
980 | (typs1 == GeomAbs_Cone || typs1 == GeomAbs_Torus) ? theS2 : theS1; |
981 | // |
982 | aCTType = aCTSurf->GetType(); |
983 | bToCheck = Standard_False; |
984 | // |
1d18c75e |
985 | if (typs1 == GeomAbs_Cone || typs2 == GeomAbs_Cone) { |
986 | const gp_Cone aCon1 = (aCTType == GeomAbs_Cone) ? |
987 | aCTSurf->Cone() : aGeomSurf->Cone(); |
988 | Standard_Real a1 = Abs(aCon1.SemiAngle()); |
18d25b93 |
989 | bToCheck = (a1 < 0.02) || (a1 > 1.55); |
1d18c75e |
990 | // |
18d25b93 |
991 | if (typs1 == typs2) { |
1d18c75e |
992 | const gp_Cone aCon2 = aGeomSurf->Cone(); |
993 | Standard_Real a2 = Abs(aCon2.SemiAngle()); |
18d25b93 |
994 | bToCheck = bToCheck || (a2 < 0.02) || (a2 > 1.55); |
995 | // |
996 | if (a1 > 1.55 && a2 > 1.55) {//quasi-planes: if same domain, treat as canonic |
18d25b93 |
997 | const gp_Ax1 A1 = aCon1.Axis(), A2 = aCon2.Axis(); |
998 | if (A1.IsParallel(A2,Precision::Angular())) { |
999 | const gp_Pnt Apex1 = aCon1.Apex(), Apex2 = aCon2.Apex(); |
1000 | const gp_Pln Plan1( Apex1, A1.Direction() ); |
1001 | if (Plan1.Distance( Apex2 ) <= Precision::Confusion()) { |
1002 | bToCheck = Standard_False; |
18d25b93 |
1003 | } |
788cbaf4 |
1004 | } |
1005 | } |
7fd59977 |
1006 | } |
18d25b93 |
1007 | // |
1d18c75e |
1008 | TreatAsBiParametric = bToCheck; |
1009 | if (aCTType == GeomAbs_Cone) { |
1010 | aCTAx = aCon1.Axis(); |
1011 | } |
788cbaf4 |
1012 | } |
1d18c75e |
1013 | // |
1014 | if (typs1 == GeomAbs_Torus || typs2 == GeomAbs_Torus) { |
1015 | const gp_Torus aTor1 = (aCTType == GeomAbs_Torus) ? |
1016 | aCTSurf->Torus() : aGeomSurf->Torus(); |
1017 | bToCheck = aTor1.MajorRadius() > aTor1.MinorRadius(); |
1018 | if (typs1 == typs2) { |
1019 | const gp_Torus aTor2 = aGeomSurf->Torus(); |
1020 | bToCheck = aTor2.MajorRadius() > aTor2.MinorRadius(); |
1021 | } |
1022 | // |
1023 | if (aCTType == GeomAbs_Torus) { |
1024 | aCTAx = aTor1.Axis(); |
18d25b93 |
1025 | } |
18d25b93 |
1026 | } |
1027 | // |
1028 | if (bToCheck) { |
1029 | const gp_Lin aL1(aCTAx); |
1030 | // |
1031 | switch (aGeomSurf->GetType()) { |
1032 | case GeomAbs_Plane: { |
1033 | aGeomAx = aGeomSurf->Plane().Axis(); |
1034 | if (aCTType == GeomAbs_Cone) { |
1d18c75e |
1035 | bGeomGeom = 1; |
18d25b93 |
1036 | if (Abs(aCTSurf->Cone().SemiAngle()) < 0.02) { |
1037 | Standard_Real ps = Abs(aCTAx.Direction().Dot(aGeomAx.Direction())); |
1038 | if(ps < 0.015) { |
1d18c75e |
1039 | bGeomGeom = 0; |
18d25b93 |
1040 | } |
788cbaf4 |
1041 | } |
1042 | } |
18d25b93 |
1043 | else { |
1044 | if (aCTAx.IsParallel(aGeomAx, Precision::Angular()) || |
1045 | (aCTAx.IsNormal(aGeomAx, Precision::Angular()) && |
1046 | (aGeomSurf->Plane().Distance(aCTAx.Location()) < Precision::Confusion()))) { |
1d18c75e |
1047 | bGeomGeom = 1; |
18d25b93 |
1048 | } |
1049 | } |
1050 | bToCheck = Standard_False; |
1051 | break; |
7fd59977 |
1052 | } |
18d25b93 |
1053 | case GeomAbs_Sphere: { |
1054 | if (aL1.Distance(aGeomSurf->Sphere().Location()) < Precision::Confusion()) { |
1d18c75e |
1055 | bGeomGeom = 1; |
18d25b93 |
1056 | } |
1057 | bToCheck = Standard_False; |
1058 | break; |
7fd59977 |
1059 | } |
18d25b93 |
1060 | case GeomAbs_Cylinder: |
1061 | aGeomAx = aGeomSurf->Cylinder().Axis(); |
1062 | break; |
1063 | case GeomAbs_Cone: |
1064 | aGeomAx = aGeomSurf->Cone().Axis(); |
1065 | break; |
1066 | case GeomAbs_Torus: |
1067 | aGeomAx = aGeomSurf->Torus().Axis(); |
1068 | break; |
1069 | default: |
1070 | bToCheck = Standard_False; |
1071 | break; |
1072 | } |
1073 | // |
1074 | if (bToCheck) { |
1075 | if (aCTAx.IsParallel(aGeomAx, Precision::Angular()) && |
1076 | (aL1.Distance(aGeomAx.Location()) <= Precision::Confusion())) { |
1d18c75e |
1077 | bGeomGeom = 1; |
788cbaf4 |
1078 | } |
7fd59977 |
1079 | } |
18d25b93 |
1080 | // |
1d18c75e |
1081 | if (bGeomGeom == 1) { |
1082 | TreatAsBiParametric = Standard_False; |
18d25b93 |
1083 | } |
1084 | } |
1085 | } |
1086 | // |
7fd59977 |
1087 | |
788cbaf4 |
1088 | if(theD1->DomainIsInfinite() || theD2->DomainIsInfinite()) { |
bf0ba813 |
1089 | TreatAsBiParametric= Standard_False; |
1090 | } |
788cbaf4 |
1091 | |
1092 | if(TreatAsBiParametric) |
1093 | { |
1094 | // Using Prm-Prm Intersector |
1095 | typs1 = GeomAbs_BezierSurface; |
1096 | typs2 = GeomAbs_BezierSurface; |
bf0ba813 |
1097 | } |
7fd59977 |
1098 | |
1099 | // Surface type definition |
1100 | Standard_Integer ts1 = 0; |
1101 | switch (typs1) |
1102 | { |
1103 | case GeomAbs_Plane: |
1104 | case GeomAbs_Cylinder: |
1105 | case GeomAbs_Sphere: |
1106 | case GeomAbs_Cone: ts1 = 1; break; |
1d18c75e |
1107 | case GeomAbs_Torus: ts1 = bGeomGeom; break; |
7fd59977 |
1108 | default: break; |
1109 | } |
788cbaf4 |
1110 | |
7fd59977 |
1111 | Standard_Integer ts2 = 0; |
1112 | switch (typs2) |
1113 | { |
1114 | case GeomAbs_Plane: |
1115 | case GeomAbs_Cylinder: |
1116 | case GeomAbs_Sphere: |
1117 | case GeomAbs_Cone: ts2 = 1; break; |
1d18c75e |
1118 | case GeomAbs_Torus: ts2 = bGeomGeom; break; |
7fd59977 |
1119 | default: break; |
1120 | } |
7eed5d29 |
1121 | // |
7fd59977 |
1122 | // Possible intersection types: 1. ts1 == ts2 == 1 <Geom-Geom> |
1123 | // 2. ts1 != ts2 <Geom-Param> |
1124 | // 3. ts1 == ts2 == 0 <Param-Param> |
1125 | |
788cbaf4 |
1126 | if(!isGeomInt) |
7fd59977 |
1127 | { |
788cbaf4 |
1128 | ParamParamPerfom(theS1, theD1, theS2, theD2, TolArc, TolTang, ListOfPnts, RestrictLine, typs1, typs2); |
7fd59977 |
1129 | } |
788cbaf4 |
1130 | else if(ts1 != ts2) |
1131 | { |
1132 | GeomParamPerfom(theS1, theD1, theS2, theD2, ts1 == 0, typs1, typs2); |
1133 | } |
1134 | else if (ts1 == 0) |
1135 | { |
1136 | ParamParamPerfom(theS1, theD1, theS2, theD2, TolArc, TolTang, ListOfPnts, RestrictLine, typs1, typs2); |
1137 | } |
1138 | else if(ts1 == 1) |
1139 | { |
1140 | GeomGeomPerfom(theS1, theD1, theS2, theD2, TolArc, TolTang, ListOfPnts, RestrictLine, typs1, typs2); |
1141 | } |
1142 | } |
1143 | |
1144 | //======================================================================= |
1145 | //function : ParamParamPerfom |
1146 | //purpose : |
1147 | //======================================================================= |
1148 | void IntPatch_Intersection::ParamParamPerfom(const Handle(Adaptor3d_HSurface)& theS1, |
1149 | const Handle(Adaptor3d_TopolTool)& theD1, |
1150 | const Handle(Adaptor3d_HSurface)& theS2, |
1151 | const Handle(Adaptor3d_TopolTool)& theD2, |
1152 | const Standard_Real TolArc, |
1153 | const Standard_Real TolTang, |
1154 | IntSurf_ListOfPntOn2S& ListOfPnts, |
1155 | const Standard_Boolean RestrictLine, |
1156 | const GeomAbs_SurfaceType typs1, |
1157 | const GeomAbs_SurfaceType typs2) |
1158 | { |
1159 | IntPatch_PrmPrmIntersection interpp; |
1160 | if(!theD1->DomainIsInfinite() && !theD2->DomainIsInfinite()) |
7fd59977 |
1161 | { |
788cbaf4 |
1162 | Standard_Boolean ClearFlag = Standard_True; |
1163 | if(!ListOfPnts.IsEmpty()) |
1164 | { |
1165 | interpp.Perform(theS1,theD1,theS2,theD2,TolArc,TolTang,myFleche,myUVMaxStep, ListOfPnts, RestrictLine); |
1166 | ClearFlag = Standard_False; |
7fd59977 |
1167 | } |
788cbaf4 |
1168 | interpp.Perform(theS1,theD1,theS2,theD2,TolArc,TolTang,myFleche,myUVMaxStep,ClearFlag); //double call!!!!!!! |
7fd59977 |
1169 | } |
788cbaf4 |
1170 | else if((theD1->DomainIsInfinite()) ^ (theD2->DomainIsInfinite())) |
7fd59977 |
1171 | { |
788cbaf4 |
1172 | gp_Pnt pMaxXYZ, pMinXYZ; |
1173 | if(theD1->DomainIsInfinite()) |
1174 | { |
1175 | FUN_GetMinMaxXYZPnt( theS2, pMinXYZ, pMaxXYZ ); |
1176 | const Standard_Real MU = Max(Abs(theS2->FirstUParameter()),Abs(theS2->LastUParameter())); |
1177 | const Standard_Real MV = Max(Abs(theS2->FirstVParameter()),Abs(theS2->LastVParameter())); |
1178 | const Standard_Real AP = Max(MU, MV); |
1179 | Handle(Adaptor3d_HSurface) SS; |
1180 | FUN_TrimInfSurf(pMinXYZ, pMaxXYZ, theS1, AP, SS); |
1181 | interpp.Perform(SS,theD1,theS2,theD2,TolArc,TolTang,myFleche,myUVMaxStep); |
1182 | } |
1183 | else |
1184 | { |
1185 | FUN_GetMinMaxXYZPnt( theS1, pMinXYZ, pMaxXYZ ); |
1186 | const Standard_Real MU = Max(Abs(theS1->FirstUParameter()),Abs(theS1->LastUParameter())); |
1187 | const Standard_Real MV = Max(Abs(theS1->FirstVParameter()),Abs(theS1->LastVParameter())); |
1188 | const Standard_Real AP = Max(MU, MV); |
1189 | Handle(Adaptor3d_HSurface) SS; |
1190 | FUN_TrimInfSurf(pMinXYZ, pMaxXYZ, theS2, AP, SS); |
1191 | interpp.Perform(theS1, theD1, SS, theD2,TolArc,TolTang,myFleche,myUVMaxStep); |
1192 | } |
1193 | }//(theD1->DomainIsInfinite()) ^ (theD2->DomainIsInfinite()) |
1194 | else |
1195 | { |
1196 | if(typs1 == GeomAbs_OtherSurface || typs2 == GeomAbs_OtherSurface) |
1197 | { |
1198 | done = Standard_False; |
1199 | return; |
1200 | } |
1201 | |
1202 | Standard_Boolean IsPLInt = Standard_False; |
1203 | TColgp_SequenceOfPnt sop; |
1204 | gp_Vec v; |
1205 | FUN_PL_Intersection(theS1,typs1,theS2,typs2,IsPLInt,sop,v); |
1206 | |
1207 | if(IsPLInt) |
1208 | { |
1209 | if(sop.Length() > 0) |
1210 | { |
1211 | for(Standard_Integer ip = 1; ip <= sop.Length(); ip++) |
1212 | { |
1213 | gp_Lin lin(sop.Value(ip),gp_Dir(v)); |
1214 | Handle(IntPatch_GLine) gl = new IntPatch_GLine(lin,Standard_False); |
1215 | slin.Append(*(Handle_IntPatch_Line *)&gl); |
1216 | } |
1217 | |
1218 | done = Standard_True; |
7fd59977 |
1219 | } |
788cbaf4 |
1220 | else |
1221 | done = Standard_False; |
1222 | |
1223 | return; |
1224 | }// 'COLLINEAR LINES' |
1225 | else |
1226 | { |
1227 | Handle(Adaptor3d_HSurface) nS1 = theS1; |
1228 | Handle(Adaptor3d_HSurface) nS2 = theS2; |
1229 | FUN_TrimBothSurf(theS1,typs1,theS2,typs2,1.e+8,nS1,nS2); |
1230 | interpp.Perform(nS1,theD1,nS2,theD2,TolArc,TolTang,myFleche,myUVMaxStep); |
1231 | }// 'NON - COLLINEAR LINES' |
1232 | }// both domains are infinite |
1233 | |
1234 | if (interpp.IsDone()) |
1235 | { |
1236 | done = Standard_True; |
1237 | tgte = Standard_False; |
1238 | empt = interpp.IsEmpty(); |
1239 | |
1240 | for(Standard_Integer i = 1; i <= interpp.NbLines(); i++) |
1241 | { |
1242 | if(interpp.Line(i)->ArcType() != IntPatch_Walking) |
1243 | slin.Append(interpp.Line(i)); |
1244 | } |
1245 | |
1246 | for (Standard_Integer i = 1; i <= interpp.NbLines(); i++) |
1247 | { |
1248 | if(interpp.Line(i)->ArcType() == IntPatch_Walking) |
1249 | slin.Append(interpp.Line(i)); |
1250 | } |
1251 | } |
1252 | } |
1253 | |
1254 | //======================================================================= |
1255 | ////function : GeomGeomPerfom |
1256 | //purpose : |
1257 | //======================================================================= |
1258 | void IntPatch_Intersection::GeomGeomPerfom(const Handle(Adaptor3d_HSurface)& theS1, |
1259 | const Handle(Adaptor3d_TopolTool)& theD1, |
1260 | const Handle(Adaptor3d_HSurface)& theS2, |
1261 | const Handle(Adaptor3d_TopolTool)& theD2, |
1262 | const Standard_Real TolArc, |
1263 | const Standard_Real TolTang, |
1264 | IntSurf_ListOfPntOn2S& ListOfPnts, |
1265 | const Standard_Boolean RestrictLine, |
1266 | const GeomAbs_SurfaceType typs1, |
1267 | const GeomAbs_SurfaceType typs2) |
1268 | { |
1269 | IntPatch_ImpImpIntersection interii(theS1,theD1,theS2,theD2,myTolArc,myTolTang); |
1270 | const Standard_Boolean anIS = interii.IsDone(); |
1271 | if (anIS) |
1272 | { |
1273 | done = anIS; |
1274 | empt = interii.IsEmpty(); |
1275 | if (!empt) |
1276 | { |
1277 | tgte = interii.TangentFaces(); |
1278 | if (tgte) |
1279 | oppo = interii.OppositeFaces(); |
1280 | |
1281 | for (Standard_Integer i = 1; i <= interii.NbLines(); i++) |
1282 | { |
1283 | const Handle_IntPatch_Line& line = interii.Line(i); |
1284 | if (line->ArcType() == IntPatch_Analytic) |
1285 | { |
1286 | const GeomAbs_SurfaceType typs1 = theS1->GetType(); |
1287 | const GeomAbs_SurfaceType typs2 = theS2->GetType(); |
1288 | IntSurf_Quadric Quad1,Quad2; |
1289 | |
1290 | switch(typs1) |
1291 | { |
1292 | case GeomAbs_Plane: |
1293 | Quad1.SetValue(theS1->Plane()); |
1294 | break; |
1295 | |
1296 | case GeomAbs_Cylinder: |
1297 | Quad1.SetValue(theS1->Cylinder()); |
1298 | break; |
1299 | |
1300 | case GeomAbs_Sphere: |
1301 | Quad1.SetValue(theS1->Sphere()); |
1302 | break; |
1303 | |
1304 | case GeomAbs_Cone: |
1305 | Quad1.SetValue(theS1->Cone()); |
1306 | break; |
1307 | |
7eed5d29 |
1308 | case GeomAbs_Torus: |
1309 | Quad1.SetValue(theS1->Torus()); |
1310 | break; |
1311 | |
788cbaf4 |
1312 | default: |
1313 | break; |
1314 | } |
1315 | |
1316 | switch(typs2) |
1317 | { |
1318 | case GeomAbs_Plane: |
1319 | Quad2.SetValue(theS2->Plane()); |
1320 | break; |
1321 | case GeomAbs_Cylinder: |
1322 | Quad2.SetValue(theS2->Cylinder()); |
1323 | break; |
1324 | |
1325 | case GeomAbs_Sphere: |
1326 | Quad2.SetValue(theS2->Sphere()); |
1327 | break; |
1328 | |
1329 | case GeomAbs_Cone: |
1330 | Quad2.SetValue(theS2->Cone()); |
1331 | break; |
1332 | |
7eed5d29 |
1333 | case GeomAbs_Torus: |
1334 | Quad2.SetValue(theS2->Torus()); |
1335 | break; |
1336 | |
788cbaf4 |
1337 | default: |
1338 | break; |
1339 | } |
1340 | |
1341 | IntPatch_ALineToWLine AToW(Quad1,Quad2,0.01,0.05,aNbPointsInALine); |
1342 | Handle(IntPatch_Line) wlin=AToW.MakeWLine((*((Handle_IntPatch_ALine *)(&line)))); |
1343 | slin.Append(wlin); |
1344 | } |
1345 | else |
1346 | slin.Append(interii.Line(i)); |
1347 | } |
1348 | |
1349 | for (Standard_Integer i = 1; i <= interii.NbPnts(); i++) |
1350 | { |
1351 | spnt.Append(interii.Point(i)); |
1352 | } |
1353 | } |
1354 | } |
1355 | else |
1356 | ParamParamPerfom(theS1, theD1, theS2, theD2, TolArc, TolTang, ListOfPnts, RestrictLine, typs1, typs2); |
1357 | } |
1358 | |
1359 | //======================================================================= |
1360 | ////function : GeomParamPerfom |
1361 | //purpose : |
1362 | //======================================================================= |
1363 | void IntPatch_Intersection::GeomParamPerfom(const Handle(Adaptor3d_HSurface)& theS1, |
1364 | const Handle(Adaptor3d_TopolTool)& theD1, |
1365 | const Handle(Adaptor3d_HSurface)& theS2, |
1366 | const Handle(Adaptor3d_TopolTool)& theD2, |
1367 | const Standard_Boolean isNotAnalitical, |
1368 | const GeomAbs_SurfaceType typs1, |
1369 | const GeomAbs_SurfaceType typs2) |
1370 | { |
1371 | IntPatch_ImpPrmIntersection interip; |
1372 | if (myIsStartPnt) |
1373 | { |
1374 | if (isNotAnalitical/*ts1 == 0*/) |
1375 | interip.SetStartPoint(myU1Start,myV1Start); |
1376 | else |
1377 | interip.SetStartPoint(myU2Start,myV2Start); |
1378 | } |
1379 | |
1380 | if(theD1->DomainIsInfinite() && theD2->DomainIsInfinite()) |
1381 | { |
1382 | Standard_Boolean IsPLInt = Standard_False; |
1383 | TColgp_SequenceOfPnt sop; |
1384 | gp_Vec v; |
1385 | FUN_PL_Intersection(theS1,typs1,theS2,typs2,IsPLInt,sop,v); |
1386 | |
1387 | if(IsPLInt) |
1388 | { |
1389 | if(sop.Length() > 0) |
1390 | { |
1391 | for(Standard_Integer ip = 1; ip <= sop.Length(); ip++) |
1392 | { |
1393 | gp_Lin lin(sop.Value(ip),gp_Dir(v)); |
1394 | Handle(IntPatch_GLine) gl = new IntPatch_GLine(lin,Standard_False); |
1395 | slin.Append(*(Handle_IntPatch_Line *)&gl); |
1396 | } |
1397 | |
1398 | done = Standard_True; |
1399 | } |
1400 | else |
1401 | done = Standard_False; |
1402 | |
1403 | return; |
1404 | } |
1405 | else |
1406 | { |
1407 | Handle(Adaptor3d_HSurface) nS1 = theS1; |
1408 | Handle(Adaptor3d_HSurface) nS2 = theS2; |
1409 | FUN_TrimBothSurf(theS1,typs1,theS2,typs2,1.e+5,nS1,nS2); |
1410 | interip.Perform(nS1,theD1,nS2,theD2,myTolArc,myTolTang,myFleche,myUVMaxStep); |
1411 | } |
1412 | } |
1413 | else |
1414 | interip.Perform(theS1,theD1,theS2,theD2,myTolArc,myTolTang,myFleche,myUVMaxStep); |
1415 | |
1416 | if (interip.IsDone()) |
1417 | { |
1418 | done = Standard_True; |
1419 | empt = interip.IsEmpty(); |
1420 | |
1421 | if (!empt) |
1422 | { |
b92f3572 |
1423 | const Standard_Integer aNbLines = interip.NbLines(); |
1424 | for(Standard_Integer i = 1; i <= aNbLines; i++) |
788cbaf4 |
1425 | { |
1426 | if(interip.Line(i)->ArcType() != IntPatch_Walking) |
1427 | slin.Append(interip.Line(i)); |
1428 | } |
1429 | |
b92f3572 |
1430 | for(Standard_Integer i = 1; i <= aNbLines; i++) |
788cbaf4 |
1431 | { |
1432 | if(interip.Line(i)->ArcType() == IntPatch_Walking) |
1433 | slin.Append(interip.Line(i)); |
1434 | } |
1435 | |
1436 | for (Standard_Integer i = 1; i <= interip.NbPnts(); i++) |
1437 | spnt.Append(interip.Point(i)); |
1438 | } |
7fd59977 |
1439 | } |
1440 | } |
1441 | |
788cbaf4 |
1442 | |
7fd59977 |
1443 | void IntPatch_Intersection::Perform(const Handle(Adaptor3d_HSurface)& S1, |
1444 | const Handle(Adaptor3d_TopolTool)& D1, |
1445 | const Handle(Adaptor3d_HSurface)& S2, |
1446 | const Handle(Adaptor3d_TopolTool)& D2, |
1447 | const Standard_Real U1, |
1448 | const Standard_Real V1, |
1449 | const Standard_Real U2, |
1450 | const Standard_Real V2, |
1451 | const Standard_Real TolArc, |
1452 | const Standard_Real TolTang) |
1453 | { |
1454 | myTolArc = TolArc; |
1455 | myTolTang = TolTang; |
1456 | if(myFleche == 0.0) { |
1457 | #if DEBUG |
1458 | //cout<<" -- IntPatch_Intersection::myFleche fixe par defaut a 0.01 --"<<endl; |
1459 | //cout<<" -- Utiliser la Methode SetTolerances( ... ) "<<endl; |
1460 | #endif |
1461 | myFleche = 0.01; |
1462 | } |
1463 | if(myUVMaxStep==0.0) { |
1464 | #if DEBUG |
1465 | //cout<<" -- IntPatch_Intersection::myUVMaxStep fixe par defaut a 0.01 --"<<endl; |
1466 | //cout<<" -- Utiliser la Methode SetTolerances( ... ) "<<endl; |
1467 | #endif |
1468 | myUVMaxStep = 0.01; |
1469 | } |
1470 | |
1471 | done = Standard_False; |
1472 | spnt.Clear(); |
1473 | slin.Clear(); |
1474 | |
1475 | empt = Standard_True; |
1476 | tgte = Standard_False; |
1477 | oppo = Standard_False; |
1478 | |
1479 | const GeomAbs_SurfaceType typs1 = S1->GetType(); |
1480 | const GeomAbs_SurfaceType typs2 = S2->GetType(); |
1481 | |
1482 | if( typs1==GeomAbs_Plane |
1483 | || typs1==GeomAbs_Cylinder |
1484 | || typs1==GeomAbs_Sphere |
1485 | || typs1==GeomAbs_Cone |
1486 | || typs2==GeomAbs_Plane |
1487 | || typs2==GeomAbs_Cylinder |
1488 | || typs2==GeomAbs_Sphere |
1489 | || typs2==GeomAbs_Cone) |
1490 | { |
1491 | myIsStartPnt = Standard_True; |
1492 | myU1Start = U1; myV1Start = V1; myU2Start = U2; myV2Start = V2; |
1493 | Perform(S1,D1,S2,D2,TolArc,TolTang); |
1494 | myIsStartPnt = Standard_False; |
1495 | } |
1496 | else |
1497 | { |
1498 | IntPatch_PrmPrmIntersection interpp; |
1499 | interpp.Perform(S1,D1,S2,D2,U1,V1,U2,V2,TolArc,TolTang,myFleche,myUVMaxStep); |
1500 | if (interpp.IsDone()) |
1d18c75e |
1501 | { |
7fd59977 |
1502 | done = Standard_True; |
1503 | tgte = Standard_False; |
1504 | empt = interpp.IsEmpty(); |
1505 | const Standard_Integer nblm = interpp.NbLines(); |
1506 | Standard_Integer i = 1; |
1507 | for (; i<=nblm; i++) slin.Append(interpp.Line(i)); |
1508 | } |
1509 | } |
1510 | } |
1511 | //====================================================================== |
1512 | #include <IntPatch_IType.hxx> |
1513 | #include <IntPatch_LineConstructor.hxx> |
1514 | #include <Handle_Adaptor2d_HCurve2d.hxx> |
1515 | #define MAXR 200 |
1516 | |
1517 | |
1518 | //void IntPatch_Intersection__MAJ_R(Handle_Adaptor2d_HCurve2d *R1, |
1d18c75e |
1519 | // Handle_Adaptor2d_HCurve2d *R2, |
1520 | // int *NR1, |
1521 | // int *NR2, |
1522 | // Standard_Integer nbR1, |
1523 | // Standard_Integer nbR2, |
1524 | // const IntPatch_Point& VTX) |
7fd59977 |
1525 | void IntPatch_Intersection__MAJ_R(Handle_Adaptor2d_HCurve2d *, |
1d18c75e |
1526 | Handle_Adaptor2d_HCurve2d *, |
1527 | int *, |
1528 | int *, |
1529 | Standard_Integer , |
1530 | Standard_Integer , |
1531 | const IntPatch_Point& ) |
7fd59977 |
1532 | { |
1533 | /* |
1534 | if(VTX.IsOnDomS1()) { |
1535 | |
1536 | //-- long unsigned ptr= *((long unsigned *)(((Handle_Standard_Transient *)(&(VTX.ArcOnS1()))))); |
1537 | for(Standard_Integer i=0; i<nbR1;i++) { |
1538 | if(VTX.ArcOnS1()==R1[i]) { |
1d18c75e |
1539 | NR1[i]++; |
1540 | printf("\n ******************************"); |
1541 | return; |
7fd59977 |
1542 | } |
1543 | } |
1544 | printf("\n R Pas trouvee (IntPatch)\n"); |
1545 | |
1546 | } |
1547 | */ |
1548 | } |
1549 | |
1550 | |
1551 | //void IntPatch_Intersection::Dump(const Standard_Integer Mode, |
1552 | void IntPatch_Intersection::Dump(const Standard_Integer , |
1d18c75e |
1553 | const Handle(Adaptor3d_HSurface)& S1, |
1554 | const Handle(Adaptor3d_TopolTool)& D1, |
1555 | const Handle(Adaptor3d_HSurface)& S2, |
1556 | const Handle(Adaptor3d_TopolTool)& D2) const |
7fd59977 |
1557 | { |
1558 | |
1559 | //-- ---------------------------------------------------------------------- |
1560 | //-- construction de la liste des restrictions & vertex |
1561 | //-- |
1562 | int NR1[MAXR],NR2[MAXR]; |
1563 | Handle_Adaptor2d_HCurve2d R1[MAXR],R2[MAXR]; |
1564 | Standard_Integer nbR1=0,nbR2=0; |
1565 | for(D1->Init();D1->More() && nbR1<MAXR; D1->Next()) { |
1566 | R1[nbR1]=D1->Value(); |
1567 | NR1[nbR1]=0; |
1568 | nbR1++; |
1569 | } |
1570 | for(D2->Init();D2->More() && nbR2<MAXR; D2->Next()) { |
1571 | R2[nbR2]=D2->Value(); |
1572 | NR2[nbR2]=0; |
1573 | nbR2++; |
1574 | } |
1575 | |
566f8441 |
1576 | printf("\nDUMP_INT: ----empt:%2ud tgte:%2ud oppo:%2ud ---------------------------------",empt,tgte,empt); |
7fd59977 |
1577 | Standard_Integer i,j,nbr1,nbr2,nbgl,nbgc,nbge,nbgp,nbgh,nbl,nbr,nbg,nbw,nba; |
1578 | nbl=nbr=nbg=nbw=nba=nbgl=nbge=nbr1=nbr2=nbgc=nbgp=nbgh=0; |
1579 | nbl=NbLines(); |
1580 | for(i=1;i<=nbl;i++) { |
1581 | const Handle(IntPatch_Line)& line=Line(i); |
1582 | const IntPatch_IType IType=line->ArcType(); |
1583 | if(IType == IntPatch_Walking) nbw++; |
1584 | else if(IType == IntPatch_Restriction) { |
1585 | nbr++; |
1586 | Handle(IntPatch_RLine)& rlin = |
1d18c75e |
1587 | *((Handle(IntPatch_RLine) *)&line); |
7fd59977 |
1588 | if(rlin->IsArcOnS1()) nbr1++; |
1589 | if(rlin->IsArcOnS2()) nbr2++; |
1590 | } |
1591 | else if(IType == IntPatch_Analytic) nba++; |
1d18c75e |
1592 | else { |
1593 | nbg++; |
1594 | if(IType == IntPatch_Lin) nbgl++; |
1595 | else if(IType == IntPatch_Circle) nbgc++; |
1596 | else if(IType == IntPatch_Parabola) nbgp++; |
1597 | else if(IType == IntPatch_Hyperbola) nbgh++; |
1598 | else if(IType == IntPatch_Ellipse) nbge++; |
1599 | } |
7fd59977 |
1600 | } |
1601 | |
1602 | |
1603 | printf("\nDUMP_INT:Lines:%2d Wlin:%2d Restr:%2d(On1:%2d On2:%2d) Ana:%2d Geom:%2d(L:%2d C:%2d E:%2d H:%2d P:%2d)", |
1d18c75e |
1604 | nbl,nbw,nbr,nbr1,nbr2,nba,nbg,nbgl,nbgc,nbge,nbgh,nbgp); |
7fd59977 |
1605 | |
1606 | IntPatch_LineConstructor LineConstructor(2); |
1607 | |
1608 | Standard_Integer nbllc=0; |
1609 | nbw=nbr=nbg=nba=0; |
1610 | Standard_Integer nbva,nbvw,nbvr,nbvg; |
1611 | nbva=nbvr=nbvw=nbvg=0; |
1612 | for (j=1; j<=nbl; j++) { |
1613 | Standard_Integer v,nbvtx; |
1614 | const Handle(IntPatch_Line)& intersLinej = Line(j); |
1615 | Standard_Integer NbLines; |
1616 | LineConstructor.Perform(SequenceOfLine(),intersLinej,S1,D1,S2,D2,1e-7); |
1617 | NbLines = LineConstructor.NbLines(); |
1618 | |
1619 | for(Standard_Integer k=1;k<=NbLines;k++) { |
1620 | nbllc++; |
1621 | const Handle(IntPatch_Line)& LineK = LineConstructor.Line(k); |
1622 | if (LineK->ArcType() == IntPatch_Analytic) { |
1d18c75e |
1623 | Handle(IntPatch_ALine)& alin = |
1624 | *((Handle(IntPatch_ALine) *)&LineK); |
1625 | nbvtx=alin->NbVertex(); |
1626 | nbva+=nbvtx; nba++; |
1627 | for(v=1;v<=nbvtx;v++) { |
1628 | IntPatch_Intersection__MAJ_R(R1,R2,NR1,NR2,nbR1,nbR2,alin->Vertex(v)); |
1629 | } |
7fd59977 |
1630 | } |
1631 | else if (LineK->ArcType() == IntPatch_Restriction) { |
1d18c75e |
1632 | Handle(IntPatch_RLine)& rlin = |
1633 | *((Handle(IntPatch_RLine) *)&LineK); |
1634 | nbvtx=rlin->NbVertex(); |
1635 | nbvr+=nbvtx; nbr++; |
1636 | for(v=1;v<=nbvtx;v++) { |
1637 | IntPatch_Intersection__MAJ_R(R1,R2,NR1,NR2,nbR1,nbR2,rlin->Vertex(v)); |
1638 | } |
7fd59977 |
1639 | } |
1640 | else if (LineK->ArcType() == IntPatch_Walking) { |
1d18c75e |
1641 | Handle(IntPatch_WLine)& wlin = |
1642 | *((Handle(IntPatch_WLine) *)&LineK); |
1643 | nbvtx=wlin->NbVertex(); |
1644 | nbvw+=nbvtx; nbw++; |
1645 | for(v=1;v<=nbvtx;v++) { |
1646 | IntPatch_Intersection__MAJ_R(R1,R2,NR1,NR2,nbR1,nbR2,wlin->Vertex(v)); |
1647 | } |
7fd59977 |
1648 | } |
1649 | else { |
1d18c75e |
1650 | Handle(IntPatch_GLine)& glin = |
1651 | *((Handle(IntPatch_GLine) *)&LineK); |
1652 | nbvtx=glin->NbVertex(); |
1653 | nbvg+=nbvtx; nbg++; |
1654 | for(v=1;v<=nbvtx;v++) { |
1655 | IntPatch_Intersection__MAJ_R(R1,R2,NR1,NR2,nbR1,nbR2,glin->Vertex(v)); |
1656 | } |
7fd59977 |
1657 | } |
1658 | } |
1659 | } |
1660 | printf("\nDUMP_LC :Lines:%2d WLin:%2d Restr:%2d Ana:%2d Geom:%2d", |
1d18c75e |
1661 | nbllc,nbw,nbr,nba,nbg); |
7fd59977 |
1662 | printf("\nDUMP_LC :vtx :%2d r:%2d :%2d :%2d", |
1d18c75e |
1663 | nbvw,nbvr,nbva,nbvg); |
7fd59977 |
1664 | |
1665 | |
1666 | |
1667 | printf("\n"); |
1668 | } |