1 // Created on: 2000-11-16
2 // Created by: Peter KURNEV
3 // Copyright (c) 2000-2012 OPEN CASCADE SAS
5 // The content of this file is subject to the Open CASCADE Technology Public
6 // License Version 6.5 (the "License"). You may not use the content of this file
7 // except in compliance with the License. Please obtain a copy of the License
8 // at http://www.opencascade.org and read it completely before using this file.
10 // The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
11 // main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
13 // The Original Code and all software distributed under the License is
14 // distributed on an "AS IS" basis, without warranty of any kind, and the
15 // Initial Developer hereby disclaims all such warranties, including without
16 // limitation, any warranties of merchantability, fitness for a particular
17 // purpose or non-infringement. Please see the License for the specific terms
18 // and conditions governing the rights and limitations under the License.
21 #include <IntTools_Tools.ixx>
23 #include <Precision.hxx>
25 #include <TopExp_Explorer.hxx>
26 #include <TopTools_IndexedDataMapOfShapeShape.hxx>
29 #include <TopoDS_Shape.hxx>
30 #include <TopoDS_Vertex.hxx>
31 #include <TopoDS_Edge.hxx>
32 #include <TopoDS_Face.hxx>
33 #include <TopoDS_Wire.hxx>
34 #include <TopLoc_Location.hxx>
36 #include <BRep_Builder.hxx>
37 #include <BRep_Tool.hxx>
38 #include <BRepAdaptor_Surface.hxx>
39 #include <BRepAdaptor_Curve.hxx>
40 #include <BRepAdaptor_Surface.hxx>
43 #include <gp_Pnt2d.hxx>
49 #include <Geom_Curve.hxx>
50 #include <GeomAdaptor_Surface.hxx>
51 #include <Geom_Surface.hxx>
52 #include <GeomAPI_ProjectPointOnSurf.hxx>
53 #include <GeomAPI_ProjectPointOnCurve.hxx>
54 #include <GeomAdaptor_Curve.hxx>
55 #include <GeomAbs_CurveType.hxx>
56 #include <Geom_Line.hxx>
57 #include <Geom2d_Curve.hxx>
58 #include <Geom_BoundedCurve.hxx>
59 #include <Geom_Geometry.hxx>
60 #include <Geom_TrimmedCurve.hxx>
61 #include <Geom2d_TrimmedCurve.hxx>
63 #include <IntTools_FClass2d.hxx>
64 #include <IntTools_Curve.hxx>
65 #include <IntTools_SequenceOfCurves.hxx>
68 void ParabolaTolerance(const Handle(Geom_Curve)& ,
75 //=======================================================================
76 //function : HasInternalEdge
78 //=======================================================================
79 Standard_Boolean IntTools_Tools::HasInternalEdge(const TopoDS_Wire& aW)
81 Standard_Boolean bFlag=Standard_True;
83 TopExp_Explorer anExp(aW, TopAbs_EDGE);
84 for (; anExp.More(); anExp.Next()) {
85 const TopoDS_Edge& aE=TopoDS::Edge(anExp.Current());
86 TopAbs_Orientation anOr=aE.Orientation();
87 if (anOr==TopAbs_INTERNAL) {
94 //=======================================================================
97 //=======================================================================
98 Standard_Boolean IntTools_Tools::IsClosed (const Handle(Geom_Curve)& aC3D)
100 Standard_Boolean bRet;
101 Standard_Real aF, aL, aDist, aPC;
104 Handle (Geom_BoundedCurve) aGBC=
105 Handle (Geom_BoundedCurve)::DownCast(aC3D);
107 return Standard_False;
110 aF=aC3D->FirstParameter();
111 aL=aC3D-> LastParameter();
118 //modified by NIZNHY-PKV Mon Jul 04 11:58:23 2011f
119 aPC=Precision::Confusion();
121 aDist=aP1.SquareDistance(aP2);
125 //aDist=aP1.Distance(aP2);
126 //return (aDist < Precision::Confusion());
127 //modified by NIZNHY-PKV Mon Jul 04 11:59:50 2011t
130 //=======================================================================
131 //function : RejectLines
133 //=======================================================================
134 void IntTools_Tools::RejectLines(const IntTools_SequenceOfCurves& aSIn,
135 IntTools_SequenceOfCurves& aSOut)
137 Standard_Integer i, j, aNb;
138 Standard_Boolean bFlag;
139 Handle (Geom_Curve) aC3D;
146 for (i=1; i<=aNb; i++) {
147 const IntTools_Curve& IC=aSIn(i);
150 Handle (Geom_TrimmedCurve) aGTC=
151 Handle (Geom_TrimmedCurve)::DownCast(aC3D);
153 if (!aGTC.IsNull()) {
154 aC3D=aGTC->BasisCurve();
155 IntTools_Curve* pIC=(IntTools_Curve*) &IC;
159 Handle (Geom_Line) aGLine=
160 Handle (Geom_Line)::DownCast(aC3D);
162 if (aGLine.IsNull()) {
164 for (j=1; j<=aNb; j++) {
165 aSOut.Append(aSIn(j));
170 gp_Lin aLin=aGLine->Lin();
171 aD2=aLin.Direction();
178 bFlag=IntTools_Tools::IsDirsCoinside(aD1, aD2);
186 //=======================================================================
187 //function : IsDirsCoinside
189 //=======================================================================
190 Standard_Boolean IntTools_Tools::IsDirsCoinside (const gp_Dir& D1, const gp_Dir& D2)
192 Standard_Boolean bFlag;
193 gp_Pnt P1(D1.X(), D1.Y(), D1.Z());
194 gp_Pnt P2(D2.X(), D2.Y(), D2.Z());
195 Standard_Real dLim=0.0002, d;
197 bFlag= (d<dLim || fabs (2.-d)<dLim);
201 //=======================================================================
202 //function : IsDirsCoinside
204 //=======================================================================
205 Standard_Boolean IntTools_Tools::IsDirsCoinside (const gp_Dir& D1,
207 const Standard_Real dLim)
209 Standard_Boolean bFlag;
212 gp_Pnt P1(D1.X(), D1.Y(), D1.Z());
213 gp_Pnt P2(D2.X(), D2.Y(), D2.Z());
215 bFlag= (d<dLim || fabs (2.-d)<dLim);
218 //=======================================================================
219 //function : SplitCurve
221 //=======================================================================
222 Standard_Integer IntTools_Tools::SplitCurve(const IntTools_Curve& IC,
223 IntTools_SequenceOfCurves& aCvs)
225 Handle (Geom_Curve) aC3D =IC.Curve();
229 Handle (Geom2d_Curve) aC2D1=IC.FirstCurve2d();
230 Handle (Geom2d_Curve) aC2D2=IC.SecondCurve2d();
231 Standard_Boolean bIsClosed;
233 bIsClosed=IntTools_Tools::IsClosed(aC3D);
238 Standard_Real aF, aL, aMid;
241 aF=aC3D->FirstParameter();
242 aL=aC3D->LastParameter();
244 GeomAdaptor_Curve aGAC(aC3D);
245 GeomAbs_CurveType aCT=aGAC.GetType();
246 if (aCT==GeomAbs_BSplineCurve ||
247 aCT==GeomAbs_BezierCurve) {
249 aMid=IntTools_Tools::IntermediatePoint(aF, aL);
252 Handle(Geom_Curve) aC3DNewF, aC3DNewL;
253 aC3DNewF =new Geom_TrimmedCurve (aC3D, aF, aMid);
254 aC3DNewL =new Geom_TrimmedCurve (aC3D, aMid, aL);
257 Handle (Geom2d_Curve) aC2D1F, aC2D1L, aC2D2F, aC2D2L;
259 if(!aC2D1.IsNull()) {
260 aC2D1F=new Geom2d_TrimmedCurve (aC2D1, aF, aMid);
261 aC2D1L=new Geom2d_TrimmedCurve (aC2D1, aMid, aL);
264 if(!aC2D2.IsNull()) {
265 aC2D2F=new Geom2d_TrimmedCurve (aC2D2, aF, aMid);
266 aC2D2L=new Geom2d_TrimmedCurve (aC2D2, aMid, aL);
270 IntTools_Curve aIC1(aC3DNewF, aC2D1F, aC2D2F);
271 IntTools_Curve aIC2(aC3DNewL, aC2D1L, aC2D2L);
280 //=======================================================================
281 //function : IntermediatePoint
283 //=======================================================================
284 Standard_Real IntTools_Tools::IntermediatePoint (const Standard_Real aFirst,
285 const Standard_Real aLast)
287 //define parameter division number as 10*e^(-M_PI) = 0.43213918
288 const Standard_Real PAR_T = 0.43213918;
290 aParm=(1.-PAR_T)*aFirst + PAR_T*aLast;
294 //=======================================================================
295 //function : IsVertex
297 //=======================================================================
298 Standard_Boolean IntTools_Tools::IsVertex (const gp_Pnt& aP,
299 const Standard_Real aTolPV,
300 const TopoDS_Vertex& aV)
302 Standard_Boolean bRet;
303 Standard_Real aTolV, aD, dTol;
306 aTolV=BRep_Tool::Tolerance(aV);
308 dTol=Precision::Confusion();
309 aTolV=aTolV+aTolPV+dTol;
311 aPv=BRep_Tool::Pnt(aV);
313 //modified by NIZNHY-PKV Mon Jul 04 12:00:37 2011f
314 aD=aPv.SquareDistance(aP);
319 //aD=aPv.Distance(aP);
320 //return (aD<=aTolV);
321 //modified by NIZNHY-PKV Mon Jul 04 12:00:40 2011t
325 //=======================================================================
326 //function : IsVertex
328 //=======================================================================
329 Standard_Boolean IntTools_Tools::IsVertex (const IntTools_CommonPrt& aCmnPrt)
331 Standard_Boolean anIsVertex;
332 Standard_Real aParam;
334 const TopoDS_Edge& aE1=aCmnPrt.Edge1();
335 const IntTools_Range& aR1=aCmnPrt.Range1();
336 aParam=0.5*(aR1.First()+aR1.Last());
337 anIsVertex=IntTools_Tools::IsVertex (aE1, aParam);
340 return Standard_True;
343 const TopoDS_Edge& aE2=aCmnPrt.Edge2();
344 const IntTools_SequenceOfRanges& aRs2=aCmnPrt.Ranges2();
345 const IntTools_Range& aR2=aRs2(1);
346 aParam=0.5*(aR2.First()+aR2.Last());
347 anIsVertex=IntTools_Tools::IsVertex (aE2, aParam);
349 return Standard_True;
351 return Standard_False;
354 //=======================================================================
355 //function : IsVertex
357 //=======================================================================
358 Standard_Boolean IntTools_Tools::IsVertex (const TopoDS_Edge& aE,
359 const TopoDS_Vertex& aV,
360 const Standard_Real t)
362 Standard_Real aTolV, aTolV2, d2;
365 BRepAdaptor_Curve aBAC(aE);
368 aTolV=BRep_Tool::Tolerance(aV);
370 aPv=BRep_Tool::Pnt(aV);
371 d2=aPv.SquareDistance (aPt);
373 return Standard_True;
375 return Standard_False;
377 //=======================================================================
378 //function : IsVertex
380 //=======================================================================
381 Standard_Boolean IntTools_Tools::IsVertex (const TopoDS_Edge& aE,
382 const Standard_Real t)
384 Standard_Real aTolV, aTolV2, d2;
388 BRepAdaptor_Curve aBAC(aE);
391 TopExp_Explorer anExp(aE, TopAbs_VERTEX);
392 for (; anExp.More(); anExp.Next()) {
393 aV=TopoDS::Vertex (anExp.Current());
394 aTolV=BRep_Tool::Tolerance(aV);
397 aPv=BRep_Tool::Pnt(aV);
398 d2=aPv.SquareDistance (aPt);
400 return Standard_True;
403 return Standard_False;
407 //=======================================================================
408 //function : ComputeVV
410 //=======================================================================
411 Standard_Integer IntTools_Tools::ComputeVV(const TopoDS_Vertex& aV1,
412 const TopoDS_Vertex& aV2)
414 Standard_Real aTolV1, aTolV2, aTolSum, d;
417 aTolV1=BRep_Tool::Tolerance(aV1);
418 aTolV2=BRep_Tool::Tolerance(aV2);
419 aTolSum=aTolV1+aTolV2;
421 aP1=BRep_Tool::Pnt(aV1);
422 aP2=BRep_Tool::Pnt(aV2);
423 //modified by NIZNHY-PKV Mon Jul 04 11:55:52 2011f
424 aTolSum=aTolSum*aTolSum;
425 d=aP1.SquareDistance(aP2);
426 //d=aP1.Distance(aP2);
427 //modified by NIZNHY-PKV Mon Jul 04 11:55:53 2011t
434 //=======================================================================
435 //function : MakeFaceFromWireAndFace
437 //=======================================================================
438 void IntTools_Tools::MakeFaceFromWireAndFace(const TopoDS_Wire& aW,
439 const TopoDS_Face& aF,
444 aFF.Orientation(TopAbs_FORWARD);
445 aFNew=TopoDS::Face (aFF.EmptyCopied());
450 //=======================================================================
451 //function : ClassifyPointByFace
453 //=======================================================================
454 TopAbs_State IntTools_Tools::ClassifyPointByFace(const TopoDS_Face& aF,
455 const gp_Pnt2d& aP2d)
457 Standard_Real aFaceTolerance;
460 aFaceTolerance=BRep_Tool::Tolerance(aF);
461 IntTools_FClass2d aClass2d(aF, aFaceTolerance);
462 aState=aClass2d.Perform(aP2d);
467 //=======================================================================
468 //function : IsMiddlePointsEqual
470 //=======================================================================
471 Standard_Boolean IntTools_Tools::IsMiddlePointsEqual(const TopoDS_Edge& aE1,
472 const TopoDS_Edge& aE2)
475 Standard_Boolean bRet;
476 Standard_Real f1, l1, m1, f2, l2, m2, aTol1, aTol2, aSumTol, aD2;
479 aTol1=BRep_Tool::Tolerance(aE1);
480 Handle(Geom_Curve) C1=BRep_Tool::Curve(aE1, f1, l1);
484 aTol2=BRep_Tool::Tolerance(aE2);
485 Handle(Geom_Curve) C2=BRep_Tool::Curve(aE2, f2, l2);
490 //modified by NIZNHY-PKV Mon Jul 04 12:02:20 2011f
491 aSumTol=aSumTol*aSumTol;
492 aD2=aP1.SquareDistance(aP2);
496 //if (aP1.Distance(aP2) < aSumTol) {
497 // return Standard_True;
499 //return Standard_False;
500 //modified by NIZNHY-PKV Mon Jul 04 12:02:24 2011t
503 //=======================================================================
504 //function : CurveTolerance
506 //=======================================================================
507 Standard_Real IntTools_Tools::CurveTolerance(const Handle(Geom_Curve)& aC3D,
508 const Standard_Real aTolBase)
510 Standard_Real aTolReached, aTf, aTl, aTolMin, aTolMax;
512 aTolReached=aTolBase;
518 Handle(Geom_TrimmedCurve) aCT3D=Handle(Geom_TrimmedCurve)::DownCast(aC3D);
519 if (aCT3D.IsNull()) {
526 aTf=aCT3D->FirstParameter();
527 aTl=aCT3D->LastParameter();
529 GeomAdaptor_Curve aGAC(aCT3D);
530 GeomAbs_CurveType aCType=aGAC.GetType();
532 if (aCType==GeomAbs_Parabola) {
533 Handle(Geom_Curve) aC3DBase=aCT3D->BasisCurve();
534 ParabolaTolerance(aC3DBase, aTf, aTl, aTolBase, aTolMin, aTolMax);
541 #include <Geom_Parabola.hxx>
542 #include <gp_Parab.hxx>
543 //=======================================================================
544 //function : ParabolaTolerance
546 //=======================================================================
547 void ParabolaTolerance(const Handle(Geom_Curve)& aC3D,
548 const Standard_Real aTf,
549 const Standard_Real aTl,
550 const Standard_Real aTol,
551 Standard_Real& aTolMin,
552 Standard_Real& aTolMax)
558 Handle(Geom_Parabola) aGP=Handle(Geom_Parabola)::DownCast(aC3D);
563 Standard_Integer aNbPoints;
564 Standard_Real aFocal, aX1, aX2, aTol1, aTol2;
566 gp_Parab aParab=aGP->Parab();
567 gp_Ax1 aXAxis=aParab.XAxis();
568 Handle(Geom_Line) aGAxis=new Geom_Line(aXAxis);
579 GeomAPI_ProjectPointOnCurve aProj1(aPf, aGAxis);
580 aNbPoints=aProj1.NbPoints();
582 aX1=aProj1.LowerDistanceParameter();
585 aTol1=aTol*sqrt(0.5*aX1/aFocal);
595 GeomAPI_ProjectPointOnCurve aProj2(aPl, aGAxis);
596 aNbPoints=aProj2.NbPoints();
598 aX2=aProj2.LowerDistanceParameter();
602 aTol2=aTol*sqrt(0.5*aX2/aFocal);
608 aTolMax=(aTol1>aTol2) ? aTol1 : aTol2;
609 aTolMin=(aTol1<aTol2) ? aTol1 : aTol2;