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[occt.git] / src / BRepSweep / BRepSweep_Translation.cxx
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b311480e 1// Created on: 1993-02-04
2// Created by: Laurent BOURESCHE
3// Copyright (c) 1993-1999 Matra Datavision
973c2be1 4// Copyright (c) 1999-2014 OPEN CASCADE SAS
b311480e 5//
973c2be1 6// This file is part of Open CASCADE Technology software library.
b311480e 7//
d5f74e42 8// This library is free software; you can redistribute it and/or modify it under
9// the terms of the GNU Lesser General Public License version 2.1 as published
973c2be1 10// by the Free Software Foundation, with special exception defined in the file
11// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12// distribution for complete text of the license and disclaimer of any warranty.
b311480e 13//
973c2be1 14// Alternatively, this file may be used under the terms of Open CASCADE
15// commercial license or contractual agreement.
7fd59977 16
42cf5bc1 17
6b84c3f7 18#include <GeomAdaptor_SurfaceOfLinearExtrusion.hxx>
42cf5bc1 19#include <BRep_CurveRepresentation.hxx>
20#include <BRep_ListIteratorOfListOfCurveRepresentation.hxx>
21#include <BRep_TEdge.hxx>
7fd59977 22#include <BRep_Tool.hxx>
42cf5bc1 23#include <BRepAdaptor_Curve.hxx>
7fd59977 24#include <BRepAdaptor_Surface.hxx>
42cf5bc1 25#include <BRepSweep_Translation.hxx>
26#include <BRepTools.hxx>
7fd59977 27#include <ElSLib.hxx>
42cf5bc1 28#include <Geom2d_Line.hxx>
29#include <Geom_Curve.hxx>
7fd59977 30#include <Geom_CylindricalSurface.hxx>
31#include <Geom_Line.hxx>
42cf5bc1 32#include <Geom_Plane.hxx>
33#include <Geom_Surface.hxx>
34#include <Geom_SurfaceOfLinearExtrusion.hxx>
35#include <GeomAbs_SurfaceType.hxx>
36#include <GeomAdaptor_Curve.hxx>
37#include <GeomAdaptor_HCurve.hxx>
38#include <GeomAdaptor_Surface.hxx>
7fd59977 39#include <gp.hxx>
7fd59977 40#include <gp_Dir.hxx>
41#include <gp_Dir2d.hxx>
42cf5bc1 42#include <gp_Lin.hxx>
43#include <gp_Lin2d.hxx>
44#include <gp_Pnt.hxx>
45#include <gp_Pnt2d.hxx>
46#include <gp_Trsf.hxx>
47#include <gp_Vec.hxx>
7fd59977 48#include <Precision.hxx>
49#include <Standard_ConstructionError.hxx>
42cf5bc1 50#include <Sweep_NumShape.hxx>
7fd59977 51#include <TopExp_Explorer.hxx>
42cf5bc1 52#include <TopLoc_Location.hxx>
53#include <TopoDS.hxx>
54#include <TopoDS_Shape.hxx>
55#include <TopoDS_Vertex.hxx>
7fd59977 56
57static void SetThePCurve(const BRep_Builder& B,
58 TopoDS_Edge& E,
59 const TopoDS_Face& F,
60 const TopAbs_Orientation O,
61 const Handle(Geom2d_Curve)& C)
62{
63 // check if there is already a pcurve on non planar faces
64 Standard_Real f,l;
65 Handle(Geom2d_Curve) OC;
66 TopLoc_Location SL;
67 Handle(Geom_Plane) GP = Handle(Geom_Plane)::DownCast(BRep_Tool::Surface(F,SL));
68 if (GP.IsNull())
69 OC = BRep_Tool::CurveOnSurface(E,F,f,l);
70 if (OC.IsNull())
71 B.UpdateEdge(E,C,F,Precision::Confusion());
72 else {
73 if (O == TopAbs_REVERSED)
74 B.UpdateEdge(E,OC,C,F,Precision::Confusion());
75 else
76 B.UpdateEdge(E,C,OC,F,Precision::Confusion());
77 }
78}
79
80//=======================================================================
81//function : BRepSweep_Translation
82//purpose :
83//=======================================================================
84
85BRepSweep_Translation::BRepSweep_Translation(const TopoDS_Shape& S,
86 const Sweep_NumShape& N,
87 const TopLoc_Location& L,
88 const gp_Vec& V,
89 const Standard_Boolean C,
90 const Standard_Boolean Canonize) :
91 BRepSweep_Trsf(BRep_Builder(),S,N,L,C),
92 myVec(V),
93 myCanonize(Canonize)
94{
95
96 Standard_ConstructionError_Raise_if
97 (V.Magnitude()<Precision::Confusion(),
98 "BRepSweep_Translation::Constructor");
99 Init();
100}
101
7fd59977 102//=======================================================================
103//function : MakeEmptyVertex
104//purpose :
105//=======================================================================
106
107TopoDS_Shape BRepSweep_Translation::MakeEmptyVertex
108 (const TopoDS_Shape& aGenV,
109 const Sweep_NumShape& aDirV)
110{
111 //Only called when the option of construction is with copy.
112 Standard_ConstructionError_Raise_if
113 (!myCopy,"BRepSweep_Translation::MakeEmptyVertex");
114 gp_Pnt P = BRep_Tool::Pnt(TopoDS::Vertex(aGenV));
115 if (aDirV.Index()==2) P.Transform(myLocation.Transformation());
116 TopoDS_Vertex V;
117 ////// modified by jgv, 5.10.01, for buc61008 //////
118 //myBuilder.Builder().MakeVertex(V,P,Precision::Confusion());
119 myBuilder.Builder().MakeVertex( V, P, BRep_Tool::Tolerance(TopoDS::Vertex(aGenV)) );
120 ////////////////////////////////////////////////////
121 return V;
122}
123
124
125//=======================================================================
126//function : MakeEmptyDirectingEdge
127//purpose :
128//=======================================================================
129
130TopoDS_Shape BRepSweep_Translation::MakeEmptyDirectingEdge
131 (const TopoDS_Shape& aGenV,
132 const Sweep_NumShape&)
133{
134 gp_Pnt P = BRep_Tool::Pnt(TopoDS::Vertex(aGenV));
135 gp_Lin L(P,myVec);
136 Handle(Geom_Line) GL = new Geom_Line(L);
137 TopoDS_Edge E;
138 myBuilder.Builder().MakeEdge
139 (E,GL,BRep_Tool::Tolerance(TopoDS::Vertex(aGenV)));
140 return E;
141}
142
143
144//=======================================================================
145//function : MakeEmptyGeneratingEdge
146//purpose :
147//=======================================================================
148
149TopoDS_Shape BRepSweep_Translation::MakeEmptyGeneratingEdge
150 (const TopoDS_Shape& aGenE,
151 const Sweep_NumShape& aDirV)
152{
0d969553 153 //Call only in case of construction with copy.
7fd59977 154 Standard_ConstructionError_Raise_if
155 (!myCopy,"BRepSweep_Translation::MakeEmptyVertex");
7fd59977 156 TopoDS_Edge newE;
679d4fa8 157 if(BRep_Tool::Degenerated(TopoDS::Edge(aGenE)))
158 {
159 myBuilder.Builder().MakeEdge(newE);
160 myBuilder.Builder().UpdateEdge(newE, BRep_Tool::Tolerance(TopoDS::Edge(aGenE)));
161 myBuilder.Builder().Degenerated(newE, Standard_True);
162 }
163 else
164 {
165 TopLoc_Location L;
166 Standard_Real First,Last;
167 Handle(Geom_Curve) C = BRep_Tool::Curve(TopoDS::Edge(aGenE),L,First,Last);
168 if(!C.IsNull())
169 {
170 C = Handle(Geom_Curve)::DownCast(C->Copy());
171 C->Transform(L.Transformation());
172 if (aDirV.Index() == 2) C->Transform(myLocation.Transformation());
173 }
174 myBuilder.Builder().MakeEdge
175 (newE,C,BRep_Tool::Tolerance(TopoDS::Edge(aGenE)));
176 }
7fd59977 177 return newE;
178}
179
180
181//=======================================================================
182//function : SetParameters
183//purpose :
184//=======================================================================
185
186void BRepSweep_Translation::SetParameters
187 (const TopoDS_Shape& aNewFace,
188 TopoDS_Shape& aNewVertex,
189 const TopoDS_Shape& aGenF,
190 const TopoDS_Shape& aGenV,
191 const Sweep_NumShape&)
192{
0d969553 193 //Glue the parameter of vertices directly included in cap faces.
7fd59977 194 gp_Pnt2d pnt2d = BRep_Tool::Parameters(TopoDS::Vertex(aGenV),
195 TopoDS::Face(aGenF));
196 myBuilder.Builder().UpdateVertex
197 (TopoDS::Vertex(aNewVertex),pnt2d.X(),pnt2d.Y(),
198 TopoDS::Face(aNewFace),Precision::PConfusion());
199}
200
201
202//=======================================================================
203//function : SetDirectingParameter
204//purpose :
205//=======================================================================
206
207void BRepSweep_Translation::SetDirectingParameter
208 (const TopoDS_Shape& aNewEdge,
209 TopoDS_Shape& aNewVertex,
210 const TopoDS_Shape&,
211 const Sweep_NumShape&,
212 const Sweep_NumShape& aDirV)
213{
214 Standard_Real param = 0;
215 if (aDirV.Index() == 2) param = myVec.Magnitude();
216 myBuilder.Builder().UpdateVertex(TopoDS::Vertex(aNewVertex),
217 param,TopoDS::Edge(aNewEdge),
218 Precision::PConfusion());
219}
220
221
222//=======================================================================
223//function : SetGeneratingParameter
224//purpose :
225//=======================================================================
226
227void BRepSweep_Translation::SetGeneratingParameter
228 (const TopoDS_Shape& aNewEdge,
229 TopoDS_Shape& aNewVertex,
230 const TopoDS_Shape& aGenE,
231 const TopoDS_Shape& aGenV,
232 const Sweep_NumShape&)
233{
234 TopoDS_Vertex vbid = TopoDS::Vertex(aNewVertex);
235 vbid.Orientation(aGenV.Orientation());
236 myBuilder.Builder().UpdateVertex
237 (vbid,
238 BRep_Tool::Parameter(TopoDS::Vertex(aGenV),TopoDS::Edge(aGenE)),
239 TopoDS::Edge(aNewEdge),Precision::PConfusion());
240}
241
242
243//=======================================================================
244//function : MakeEmptyFace
245//purpose :
246//=======================================================================
247
248TopoDS_Shape BRepSweep_Translation::MakeEmptyFace
249 (const TopoDS_Shape& aGenS,
250 const Sweep_NumShape& aDirS)
251{
252 Standard_Real toler;
253 TopoDS_Face F;
254 Handle(Geom_Surface) S;
255 if (myDirShapeTool.Type(aDirS)==TopAbs_EDGE){
256 TopLoc_Location L;
257 Standard_Real First,Last;
258 Handle(Geom_Curve) C = BRep_Tool::Curve(TopoDS::Edge(aGenS),L,First,Last);
259 toler = BRep_Tool::Tolerance(TopoDS::Edge(aGenS));
260 gp_Trsf Tr = L.Transformation();
261 C = Handle(Geom_Curve)::DownCast(C->Copy());
0d969553 262 //extruded surfaces are inverted correspondingly to the topology, so reverse.
7fd59977 263 C->Transform(Tr);
264 gp_Dir D(myVec);
265 D.Reverse();
266
267 if (myCanonize) {
268 Handle(GeomAdaptor_HCurve) HC = new GeomAdaptor_HCurve(C,First,Last);
6b84c3f7 269 GeomAdaptor_SurfaceOfLinearExtrusion AS(HC,D);
7fd59977 270 switch(AS.GetType()){
271
272 case GeomAbs_Plane :
273 S = new Geom_Plane(AS.Plane());
274 break;
275 case GeomAbs_Cylinder :
276 S = new Geom_CylindricalSurface(AS.Cylinder());
277 break;
278 default:
279 S = new Geom_SurfaceOfLinearExtrusion(C,D);
280 break;
281 }
282 }
283 else {
284 S = new Geom_SurfaceOfLinearExtrusion(C,D);
285 }
286 }
287 else {
288 TopLoc_Location L;
289 S = BRep_Tool::Surface(TopoDS::Face(aGenS),L);
290 toler = BRep_Tool::Tolerance(TopoDS::Face(aGenS));
291 gp_Trsf Tr = L.Transformation();
292 S = Handle(Geom_Surface)::DownCast(S->Copy());
293 S->Transform(Tr);
294 if (aDirS.Index()==2) S->Translate(myVec);
295 }
296 myBuilder.Builder().MakeFace(F,S,toler);
297 return F;
298}
299
300
301//=======================================================================
302//function : SetPCurve
303//purpose :
304//=======================================================================
305
306void BRepSweep_Translation::SetPCurve
307 (const TopoDS_Shape& aNewFace,
308 TopoDS_Shape& aNewEdge,
309 const TopoDS_Shape& aGenF,
310 const TopoDS_Shape& aGenE,
311 const Sweep_NumShape&,
312 const TopAbs_Orientation)
313{
0d969553
Y		 314 //Set on edges of cap faces the same pcurves as
315 //edges of the generating face.
679d4fa8 316 Standard_Boolean isclosed = BRep_Tool::IsClosed(TopoDS::Edge(aGenE), TopoDS::Face(aGenF));
317 if(isclosed)
318 {
319 Standard_Real First, Last;
320 TopoDS_Edge anE = TopoDS::Edge(aGenE.Oriented(TopAbs_FORWARD));
321 Handle(Geom2d_Curve) aC1 = BRep_Tool::CurveOnSurface(anE, TopoDS::Face(aGenF), First, Last);
322 anE.Reverse();
323 Handle(Geom2d_Curve) aC2 = BRep_Tool::CurveOnSurface(anE, TopoDS::Face(aGenF), First, Last);
324 myBuilder.Builder().UpdateEdge(TopoDS::Edge(aNewEdge), aC1, aC2, TopoDS::Face(aNewFace),Precision::PConfusion());
325 }
326 else
327 {
328 Standard_Real First,Last;
329 myBuilder.Builder().UpdateEdge(TopoDS::Edge(aNewEdge),
330 BRep_Tool::CurveOnSurface(TopoDS::Edge(aGenE),TopoDS::Face(aGenF),First,Last),
331 TopoDS::Face(aNewFace),Precision::PConfusion());
332 }
7fd59977 333}
334
335
336//=======================================================================
337//function : SetGeneratingPCurve
338//purpose :
339//=======================================================================
340
341void BRepSweep_Translation::SetGeneratingPCurve
342 (const TopoDS_Shape& aNewFace,
343 TopoDS_Shape& aNewEdge,
344 const TopoDS_Shape& ,
345 const Sweep_NumShape&,
346 const Sweep_NumShape& aDirV,
347 const TopAbs_Orientation orien)
348{
349 TopLoc_Location Loc;
350 GeomAdaptor_Surface AS(BRep_Tool::Surface(TopoDS::Face(aNewFace),Loc));
351// Standard_Real First,Last;
352 gp_Lin2d L;
353 TopoDS_Edge aNewOrientedEdge = TopoDS::Edge(aNewEdge);
354 aNewOrientedEdge.Orientation(orien);
355
356 if (AS.GetType()==GeomAbs_Plane){
0d969553 357/* nothing is done JAG
7fd59977 358 gp_Pln pln = AS.Plane();
359 gp_Ax3 ax3 = pln.Position();
360
0d969553 361// JYL : the following produces bugs on an edge constructed from a trimmed 3D curve :
7fd59977 362//
363// Handle(Geom_Line)
364// GL = Handle(Geom_Line)::DownCast(BRep_Tool::Curve(TopoDS::Edge(aGenE),
365// Loc,First,Last));
366// gp_Lin gl = GL->Lin();
367// gl.Transform(Loc.Transformation());
368//
369// correction :
370 const TopoDS_Edge& EE = TopoDS::Edge(aGenE);
371 BRepAdaptor_Curve BRAC(EE);
372 gp_Lin gl = BRAC.Line();
373
374 if(aDirV.Index()==2) gl.Translate(myVec);
375 gp_Pnt pnt = gl.Location();
376 gp_Dir dir = gl.Direction();
377 Standard_Real u,v;
378 ElSLib::PlaneParameters(ax3,pnt,u,v);
379 gp_Pnt2d pnt2d(u,v);
380 gp_Dir2d dir2d(dir.Dot(ax3.XDirection()),dir.Dot(ax3.YDirection()));
381 L.SetLocation(pnt2d);
382 L.SetDirection(dir2d);
383*/
384 }
385 else{
386 Standard_Real v = 0;
387 if (aDirV.Index() == 2) v = -myVec.Magnitude();
388 L.SetLocation(gp_Pnt2d(0,v));
389 L.SetDirection(gp_Dir2d(1,0));
390// }
391 Handle(Geom2d_Line) GL = new Geom2d_Line(L);
392 SetThePCurve(myBuilder.Builder(),
393 TopoDS::Edge(aNewEdge),
394 TopoDS::Face(aNewFace),
395 orien,
396 GL);
397 }
398}
399
400
401//=======================================================================
402//function : SetDirectingPCurve
403//purpose :
404//=======================================================================
405
406void BRepSweep_Translation::SetDirectingPCurve
407 (const TopoDS_Shape& aNewFace,
408 TopoDS_Shape& aNewEdge,
409 const TopoDS_Shape& aGenE,
410 const TopoDS_Shape& aGenV,
411 const Sweep_NumShape&,
412 const TopAbs_Orientation orien)
413{
414 TopLoc_Location Loc;
415 GeomAdaptor_Surface AS(BRep_Tool::Surface(TopoDS::Face(aNewFace),Loc));
416 gp_Lin2d L;
417 if(AS.GetType()!=GeomAbs_Plane){
418 L.SetLocation(gp_Pnt2d(BRep_Tool::Parameter(TopoDS::Vertex(aGenV),
419 TopoDS::Edge(aGenE)),0));
420 L.SetDirection(gp_Dir2d(0,-1));
421/* JAG
422 }
423 else{
424
425 gp_Pln pln = AS.Plane();
426 gp_Ax3 ax3 = pln.Position();
427 gp_Pnt pv = BRep_Tool::Pnt(TopoDS::Vertex(aGenV));
428 gp_Dir dir(myVec);
429 Standard_Real u,v;
430 ElSLib::PlaneParameters(ax3,pv,u,v);
431 gp_Pnt2d pnt2d(u,v);
432 gp_Dir2d dir2d(dir.Dot(ax3.XDirection()),dir.Dot(ax3.YDirection()));
433 L.SetLocation(pnt2d);
434 L.SetDirection(dir2d);
435
436 }
437*/
438 Handle(Geom2d_Line) GL = new Geom2d_Line(L);
439 SetThePCurve(myBuilder.Builder(),
440 TopoDS::Edge(aNewEdge),
441 TopoDS::Face(aNewFace),
442 orien,GL);
443 }
444}
445
446//=======================================================================
447//function : DirectSolid
448//purpose :
449//=======================================================================
450
451TopAbs_Orientation BRepSweep_Translation::DirectSolid
452 (const TopoDS_Shape& aGenS,
453 const Sweep_NumShape&)
454{
455 // compare the face normal and the direction
456 BRepAdaptor_Surface surf(TopoDS::Face(aGenS));
457 gp_Pnt P;
458 gp_Vec du,dv;
459 surf.D1((surf.FirstUParameter() + surf.LastUParameter()) / 2.,
460 (surf.FirstVParameter() + surf.LastVParameter()) / 2.,
461 P,du,dv);
462
463 Standard_Real x = myVec.DotCross(du,dv);
464 TopAbs_Orientation orient = (x > 0) ? TopAbs_REVERSED : TopAbs_FORWARD;
465 return orient;
466}
467
468
469//=======================================================================
470//function : GGDShapeIsToAdd
471//purpose :
472//=======================================================================
473
474Standard_Boolean BRepSweep_Translation::GGDShapeIsToAdd
475 (const TopoDS_Shape& ,
476 const TopoDS_Shape& ,
477 const TopoDS_Shape& ,
478 const TopoDS_Shape& ,
479 const Sweep_NumShape& )const
480{
481 return Standard_True;
482}
483
484
485//=======================================================================
486//function : GDDShapeIsToAdd
487//purpose :
488//=======================================================================
489
490Standard_Boolean BRepSweep_Translation::GDDShapeIsToAdd
491 (const TopoDS_Shape& ,
492 const TopoDS_Shape& ,
493 const TopoDS_Shape& ,
494 const Sweep_NumShape& ,
495 const Sweep_NumShape& )const
496{
497 return Standard_True;
498}
499
500
501//=======================================================================
502//function : SeparatedWires
503//purpose :
504//=======================================================================
505
506Standard_Boolean BRepSweep_Translation::SeparatedWires
507 (const TopoDS_Shape& ,
508 const TopoDS_Shape& ,
509 const TopoDS_Shape& ,
510 const TopoDS_Shape& ,
511 const Sweep_NumShape& )const
512{
513 return Standard_False;
514}
515
516
517//=======================================================================
518//function : HasShape
519//purpose :
520//=======================================================================
521
522Standard_Boolean BRepSweep_Translation::HasShape
523 (const TopoDS_Shape& aGenS,
524 const Sweep_NumShape& aDirS)const
525{
526 if(myDirShapeTool.Type(aDirS) == TopAbs_EDGE) {
527
528 if(myGenShapeTool.Type(aGenS) == TopAbs_EDGE) {
529 TopoDS_Edge E = TopoDS::Edge(aGenS);
530
531 // check if the edge is degenerated
532 if(BRep_Tool::Degenerated(E)) {
533 return Standard_False;
534 }
535 // check if the edge is a sewing edge
536
537// modified by NIZHNY-EAP Fri Dec 24 11:13:09 1999 ___BEGIN___
538// const Handle(BRep_TEdge)& TE = *((Handle(BRep_TEdge)*) &E.TShape());
539
540// BRep_ListOfCurveRepresentation& lcr = TE->ChangeCurves();
541// BRep_ListIteratorOfListOfCurveRepresentation itcr(lcr);
542
543// while (itcr.More()) {
544// const Handle(BRep_CurveRepresentation)& cr = itcr.Value();
545// if (cr->IsCurveOnSurface() &&
546// cr->IsCurveOnClosedSurface() ) {
04232180 547// std::cout<<"sewing edge"<<std::endl;
7fd59977 548// return Standard_False;
549// }
550// itcr.Next();
551// }
552 TopExp_Explorer FaceExp(myGenShape, TopAbs_FACE);
553 for (;FaceExp.More(); FaceExp.Next()) {
554 TopoDS_Face F = TopoDS::Face(FaceExp.Current());
555 if (BRepTools::IsReallyClosed(E, F))
556 return Standard_False;
557 }
558// modified by NIZHNY-EAP Fri Dec 24 11:13:21 1999 ___END___
559 }
560 }
561
562 return Standard_True;
563}
564
565//=======================================================================
566//function : IsInvariant
567//purpose :
568//=======================================================================
569
570Standard_Boolean BRepSweep_Translation::IsInvariant
571 (const TopoDS_Shape& )const
572{
573 return Standard_False;
574}
575
576
577//=======================================================================
578//function : Vec
579//purpose :
580//=======================================================================
581
582gp_Vec BRepSweep_Translation::Vec()const
583{
584 return myVec;
585}
586
587
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