1 // Copyright (C) 2014-2017 CEA/DEN, EDF R&D
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or
18 // email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
21 #include "GeomAlgoAPI_Pipe.h"
23 #include "GeomAlgoAPI_DFLoader.h"
25 #include <GeomAPI_Dir.h>
26 #include <GeomAPI_Edge.h>
27 #include <GeomAPI_Lin.h>
29 #include <BRep_Tool.hxx>
30 #include <BRepExtrema_DistShapeShape.hxx>
31 #include <BRepOffsetAPI_MakePipe.hxx>
32 #include <BRepOffsetAPI_MakePipeShell.hxx>
33 #include <BRepBuilderAPI_MakeWire.hxx>
34 #include <Geom_Curve.hxx>
35 #include <Geom_Line.hxx>
37 #include <NCollection_List.hxx>
38 #include <TopExp_Explorer.hxx>
40 #include <TopoDS_Shape.hxx>
41 #include <Precision.hxx>
43 static bool getBase(TopoDS_Shape& theBaseOut,
44 TopAbs_ShapeEnum& theBaseTypeOut,
45 const GeomShapePtr theBaseShape);
46 static bool getPath(TopoDS_Wire& thePathOut,
47 const GeomShapePtr thePathShape);
48 static gp_Trsf getPathToBaseTranslation(const TopoDS_Shape& theBase,
49 const TopoDS_Shape& thePath);
50 static bool buildPipe(BRepOffsetAPI_MakePipeShell* thePipeBuilder);
51 static ListOfShape getListFromShape(const TopoDS_Shape& theShape);
53 //==================================================================================================
54 GeomAlgoAPI_Pipe::GeomAlgoAPI_Pipe(const GeomShapePtr theBaseShape,
55 const GeomShapePtr thePathShape)
57 build(theBaseShape, thePathShape);
60 //==================================================================================================
61 GeomAlgoAPI_Pipe::GeomAlgoAPI_Pipe(const GeomShapePtr theBaseShape,
62 const GeomShapePtr thePathShape,
63 const GeomShapePtr theBiNormal)
65 build(theBaseShape, thePathShape, theBiNormal);
68 //==================================================================================================
69 GeomAlgoAPI_Pipe::GeomAlgoAPI_Pipe(const ListOfShape& theBaseShapes,
70 const ListOfShape& theLocations,
71 const GeomShapePtr thePathShape)
73 build(theBaseShapes, theLocations, thePathShape);
76 //==================================================================================================
77 void GeomAlgoAPI_Pipe::build(const GeomShapePtr theBaseShape,
78 const GeomShapePtr thePathShape)
80 // Getting base shape.
81 if(!theBaseShape.get()) {
84 TopoDS_Shape aBaseShape = theBaseShape->impl<TopoDS_Shape>();
85 if(aBaseShape.IsNull()) {
88 TopAbs_ShapeEnum aBaseShapeType = aBaseShape.ShapeType();
89 if(aBaseShapeType != TopAbs_VERTEX && aBaseShapeType != TopAbs_EDGE &&
90 aBaseShapeType != TopAbs_WIRE && aBaseShapeType != TopAbs_FACE &&
91 aBaseShapeType != TopAbs_SHELL && aBaseShapeType != TopAbs_COMPOUND) {
96 TopoDS_Wire aPathWire;
97 if(!getPath(aPathWire, thePathShape)) {
100 aPathWire.Move(getPathToBaseTranslation(aBaseShape, aPathWire));
103 BRepOffsetAPI_MakePipe* aPipeBuilder = new BRepOffsetAPI_MakePipe(aPathWire, aBaseShape);
107 aPipeBuilder->Build();
110 if(!aPipeBuilder->IsDone() || aPipeBuilder->Shape().IsNull()) {
114 this->initialize(aPipeBuilder);
117 this->setToShapes(getListFromShape(aPipeBuilder->LastShape()));
118 this->setFromShapes(getListFromShape(aPipeBuilder->FirstShape()));
121 TopoDS_Shape aResult = aPipeBuilder->Shape();
122 aResult = GeomAlgoAPI_DFLoader::refineResult(aResult);
123 GeomShapePtr aGeomSh(new GeomAPI_Shape());
124 aGeomSh->setImpl(new TopoDS_Shape(aResult));
125 this->setShape(aGeomSh);
129 //==================================================================================================
130 void GeomAlgoAPI_Pipe::build(const GeomShapePtr theBaseShape,
131 const GeomShapePtr thePathShape,
132 const GeomShapePtr theBiNormal)
134 // Getting base shape and path.
135 TopoDS_Shape aBaseShape;
136 TopAbs_ShapeEnum aBaseShapeType;
137 TopoDS_Wire aPathWire;
138 if (!getBase(aBaseShape, aBaseShapeType, theBaseShape) ||
139 !getPath(aPathWire, thePathShape) ||
140 !theBiNormal.get()) {
144 aPathWire.Move(getPathToBaseTranslation(theBaseShape->impl<TopoDS_Shape>(), aPathWire));
146 // Getting Bi-Normal.
147 TopoDS_Shape aBiNormalShape = theBiNormal->impl<TopoDS_Shape>();
148 if(aBiNormalShape.IsNull() || aBiNormalShape.ShapeType() != TopAbs_EDGE) {
151 TopoDS_Edge aBiNormalEdge = TopoDS::Edge(aBiNormalShape);
152 Standard_Real aFirst, aLast;
153 Handle(Geom_Curve) aBiNormalCurve = BRep_Tool::Curve(aBiNormalEdge, aFirst, aLast);
154 Handle(Geom_Line) aBiNormalLine = Handle(Geom_Line)::DownCast(aBiNormalCurve);
155 if(aBiNormalLine.IsNull()) {
158 gp_Dir aBiNormalDir = aBiNormalLine->Lin().Direction();
161 BRepOffsetAPI_MakePipeShell* aPipeBuilder = new BRepOffsetAPI_MakePipeShell(aPathWire);
165 aPipeBuilder->Add(aBaseShape);
166 aPipeBuilder->SetMode(aBiNormalDir);
167 if(!buildPipe(aPipeBuilder)) {
171 this->initialize(aPipeBuilder);
174 if(aBaseShapeType == TopAbs_FACE && !aPipeBuilder->MakeSolid()) {
177 TopoDS_Shape aResult = aPipeBuilder->Shape();
178 if(aResult.IsNull()) {
183 this->setToShapes(getListFromShape(aPipeBuilder->LastShape()));
184 this->setFromShapes(getListFromShape(aPipeBuilder->FirstShape()));
187 aResult = GeomAlgoAPI_DFLoader::refineResult(aResult);
188 GeomShapePtr aGeomSh(new GeomAPI_Shape());
189 aGeomSh->setImpl(new TopoDS_Shape(aResult));
190 this->setShape(aGeomSh);
194 //==================================================================================================
195 void GeomAlgoAPI_Pipe::build(const ListOfShape& theBaseShapes,
196 const ListOfShape& theLocations,
197 const GeomShapePtr thePathShape)
199 if(theBaseShapes.empty() ||
200 (!theLocations.empty() && theLocations.size() != theBaseShapes.size())) {
204 // Getting base shape and path.
205 TopoDS_Shape aBaseShape;
206 TopAbs_ShapeEnum aBaseShapeType;
207 TopoDS_Wire aPathWire;
208 if (!getBase(aBaseShape, aBaseShapeType, theBaseShapes.front()) ||
209 !getPath(aPathWire, thePathShape)) {
213 TopoDS_Shape aReallyBase = theBaseShapes.front()->impl<TopoDS_Shape>();
214 gp_Trsf aTrsf = getPathToBaseTranslation(aReallyBase, aPathWire);
215 aPathWire.Move(aTrsf);
217 // Get locations after moving path shape.
218 std::list<TopoDS_Vertex> aLocations;
219 for (ListOfShape::const_iterator aLocIt = theLocations.cbegin();
220 aLocIt != theLocations.cend();
223 GeomShapePtr aLocation = *aLocIt;
224 if (!aLocation.get() || aLocation->shapeType() != GeomAPI_Shape::VERTEX) {
228 TopoDS_Vertex aLocationVertex = aLocation->impl<TopoDS_Vertex>();
229 TopoDS_Vertex aMovedVertex;
230 for (TopExp_Explorer anExp(aPathWire, TopAbs_VERTEX); anExp.More(); anExp.Next()) {
231 if (anExp.Current().IsPartner(aLocationVertex)) {
232 aMovedVertex = TopoDS::Vertex(anExp.Current());
233 aLocations.push_back(aMovedVertex);
237 if (aMovedVertex.IsNull()) {
242 if (theLocations.size() != aLocations.size()) {
246 bool aHasLocations = !aLocations.empty();
249 Standard_Boolean isDone = Standard_False;
250 bool anIsSolidNeeded = false;
251 BRepOffsetAPI_MakePipeShell* aPipeBuilder;
252 for(int i = 0; i < 2; ++i) {
253 aPipeBuilder = new BRepOffsetAPI_MakePipeShell(aPathWire);
257 ListOfShape::const_iterator aBaseIt = theBaseShapes.cbegin();
258 std::list<TopoDS_Vertex>::const_iterator aLocationsIt = aLocations.cbegin();
259 while(aBaseIt != theBaseShapes.cend()) {
260 GeomShapePtr aBase = *aBaseIt;
261 if(!getBase(aBaseShape, aBaseShapeType, aBase)) {
266 if(aBaseShapeType == TopAbs_FACE) {
267 anIsSolidNeeded = true;
271 aPipeBuilder->Add(aBaseShape, *aLocationsIt);
274 aPipeBuilder->Add(aBaseShape);
278 if(aPipeBuilder->IsReady() == Standard_False) {
284 // Try to use Descrete Trihedron mode.
285 aPipeBuilder->SetDiscreteMode();
287 aPipeBuilder->Build();
288 isDone = aPipeBuilder->IsDone();
301 this->initialize(aPipeBuilder);
304 if(anIsSolidNeeded && !aPipeBuilder->MakeSolid()) {
307 TopoDS_Shape aResult = aPipeBuilder->Shape();
310 GeomShapePtr aFromShape(new GeomAPI_Shape), aToShape(new GeomAPI_Shape);
311 aFromShape->setImpl(new TopoDS_Shape(aPipeBuilder->FirstShape()));
312 aToShape->setImpl(new TopoDS_Shape(aPipeBuilder->LastShape()));
313 fixOrientation(aFromShape);
314 fixOrientation(aToShape);
315 this->addFromShape(aFromShape);
316 this->addToShape(aToShape);
319 if(aResult.IsNull()) {
322 aResult = GeomAlgoAPI_DFLoader::refineResult(aResult);
323 GeomShapePtr aGeomSh(new GeomAPI_Shape());
324 aGeomSh->setImpl(new TopoDS_Shape(aResult));
325 this->setShape(aGeomSh);
329 //==================================================================================================
330 void GeomAlgoAPI_Pipe::generated(const GeomShapePtr theShape,
331 ListOfShape& theHistory)
333 GeomAlgoAPI_MakeShape::generated(theShape, theHistory);
336 // Auxilary functions:
337 //==================================================================================================
338 bool getBase(TopoDS_Shape& theBaseOut,
339 TopAbs_ShapeEnum& theBaseTypeOut,
340 const GeomShapePtr theBaseShape)
342 if(!theBaseShape.get()) {
346 theBaseOut = theBaseShape->impl<TopoDS_Shape>();
347 if(theBaseOut.IsNull()) {
350 theBaseTypeOut = theBaseOut.ShapeType();
351 if(theBaseTypeOut == TopAbs_VERTEX) {
353 } else if(theBaseTypeOut == TopAbs_EDGE) {
354 theBaseOut = BRepBuilderAPI_MakeWire(TopoDS::Edge(theBaseOut)).Shape();
355 } else if(theBaseTypeOut == TopAbs_WIRE) {
357 } else if(theBaseTypeOut == TopAbs_FACE) {
358 TopExp_Explorer anExp(theBaseOut, TopAbs_WIRE);
359 theBaseOut = anExp.Current();
367 //==================================================================================================
368 bool getPath(TopoDS_Wire& thePathOut, const GeomShapePtr thePathShape)
370 if(!thePathShape.get()) {
374 TopoDS_Shape aPathShape = thePathShape->impl<TopoDS_Shape>();
375 if(aPathShape.IsNull()) {
378 TopAbs_ShapeEnum aPathShapeType = aPathShape.ShapeType();
379 if(aPathShapeType == TopAbs_EDGE) {
380 TopoDS_Edge aPathEdge = TopoDS::Edge(aPathShape);
381 thePathOut = BRepBuilderAPI_MakeWire(aPathEdge).Wire();
382 } else if(aPathShapeType == TopAbs_WIRE) {
383 thePathOut = TopoDS::Wire(aPathShape);
391 //==================================================================================================
392 gp_Trsf getPathToBaseTranslation(const TopoDS_Shape& theBase, const TopoDS_Shape& thePath)
394 gp_Trsf aTranslation;
396 BRepExtrema_DistShapeShape aDist(theBase, thePath);
398 if (aDist.IsDone() && aDist.Value() > Precision::Confusion()) {
399 gp_Pnt aPntBase = aDist.PointOnShape1(1);
400 gp_Pnt aPntPath = aDist.PointOnShape2(1);
401 aTranslation.SetTranslation(aPntPath, aPntBase);
407 //==================================================================================================
408 bool buildPipe(BRepOffsetAPI_MakePipeShell* thePipeBuilder)
410 thePipeBuilder->Build();
412 Standard_Boolean isDone = thePipeBuilder->IsDone();
415 // Try to use Descrete Trihedron mode.
416 thePipeBuilder->SetDiscreteMode();
417 thePipeBuilder->Build();
418 isDone = thePipeBuilder->IsDone();
421 return isDone == Standard_True;
424 //==================================================================================================
425 ListOfShape getListFromShape(const TopoDS_Shape& theShape)
429 TopAbs_ShapeEnum aType = theShape.ShapeType();
430 if(aType == TopAbs_WIRE || aType == TopAbs_SHELL || aType == TopAbs_COMPOUND) {
431 for(TopoDS_Iterator anIt(theShape); anIt.More(); anIt.Next()) {
432 GeomShapePtr aGeomShape(new GeomAPI_Shape());
433 aGeomShape->setImpl(new TopoDS_Shape(anIt.Value()));
434 aList.push_back(aGeomShape);
437 GeomShapePtr aGeomShape(new GeomAPI_Shape());
438 aGeomShape->setImpl(new TopoDS_Shape(theShape));
439 aList.push_back(aGeomShape);