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.
135 TopoDS_Shape aBaseShape;
136 TopAbs_ShapeEnum aBaseShapeType;
137 if(!getBase(aBaseShape, aBaseShapeType, theBaseShape)) {
142 TopoDS_Wire aPathWire;
143 if(!getPath(aPathWire, thePathShape)) {
147 aPathWire.Move(getPathToBaseTranslation(aBaseShape, aPathWire));
149 // Getting Bi-Normal.
150 if(!theBiNormal.get()) {
153 TopoDS_Shape aBiNormalShape = theBiNormal->impl<TopoDS_Shape>();
154 if(aBiNormalShape.IsNull() || aBiNormalShape.ShapeType() != TopAbs_EDGE) {
157 TopoDS_Edge aBiNormalEdge = TopoDS::Edge(aBiNormalShape);
158 Standard_Real aFirst, aLast;
159 Handle(Geom_Curve) aBiNormalCurve = BRep_Tool::Curve(aBiNormalEdge, aFirst, aLast);
160 Handle(Geom_Line) aBiNormalLine = Handle(Geom_Line)::DownCast(aBiNormalCurve);
161 if(aBiNormalLine.IsNull()) {
164 gp_Dir aBiNormalDir = aBiNormalLine->Lin().Direction();
167 BRepOffsetAPI_MakePipeShell* aPipeBuilder = new BRepOffsetAPI_MakePipeShell(aPathWire);
171 aPipeBuilder->Add(aBaseShape);
172 aPipeBuilder->SetMode(aBiNormalDir);
173 if(!buildPipe(aPipeBuilder)) {
177 this->initialize(aPipeBuilder);
180 if(aBaseShapeType == TopAbs_FACE) {
181 if(aPipeBuilder->MakeSolid() == Standard_False) {
185 TopoDS_Shape aResult = aPipeBuilder->Shape();
186 if(aResult.IsNull()) {
191 this->setToShapes(getListFromShape(aPipeBuilder->LastShape()));
192 this->setFromShapes(getListFromShape(aPipeBuilder->FirstShape()));
195 aResult = GeomAlgoAPI_DFLoader::refineResult(aResult);
196 GeomShapePtr aGeomSh(new GeomAPI_Shape());
197 aGeomSh->setImpl(new TopoDS_Shape(aResult));
198 this->setShape(aGeomSh);
202 //==================================================================================================
203 void GeomAlgoAPI_Pipe::build(const ListOfShape& theBaseShapes,
204 const ListOfShape& theLocations,
205 const GeomShapePtr thePathShape)
207 if(theBaseShapes.empty() ||
208 (!theLocations.empty() && theLocations.size() != theBaseShapes.size())) {
212 bool aHasLocations = false;
213 if(!theLocations.empty()) {
214 aHasLocations = true;
218 TopoDS_Shape aBaseShape;
219 TopAbs_ShapeEnum aBaseShapeType;
220 if (!getBase(aBaseShape, aBaseShapeType, theBaseShapes.front())) {
224 TopoDS_Wire aPathWire;
225 if(!getPath(aPathWire, thePathShape)) {
229 gp_Trsf aTrsf = getPathToBaseTranslation(aBaseShape, aPathWire);
230 aPathWire.Move(aTrsf);
233 Standard_Boolean isDone = Standard_False;
234 bool anIsSolidNeeded = false;
235 BRepOffsetAPI_MakePipeShell* aPipeBuilder;
236 for(int i = 0; i < 2; ++i) {
237 aPipeBuilder = new BRepOffsetAPI_MakePipeShell(aPathWire);
241 ListOfShape::const_iterator aBaseIt = theBaseShapes.cbegin();
242 ListOfShape::const_iterator aLocIt = theLocations.cbegin();
243 while(aBaseIt != theBaseShapes.cend()) {
244 GeomShapePtr aBase = *aBaseIt;
245 if(!getBase(aBaseShape, aBaseShapeType, aBase)) {
250 if(aBaseShapeType == TopAbs_FACE) {
251 anIsSolidNeeded = true;
255 GeomShapePtr aLocation = *aLocIt;
256 if(!aLocation.get() || aLocation->shapeType() != GeomAPI_Shape::VERTEX) {
260 TopoDS_Vertex aLocationVertex = aLocation->impl<TopoDS_Vertex>();
261 aLocationVertex.Move(aTrsf);
263 aPipeBuilder->Add(aBaseShape, aLocationVertex);
265 aPipeBuilder->Add(aBaseShape);
269 if(aPipeBuilder->IsReady() == Standard_False) {
275 // Try to use Descrete Trihedron mode.
276 aPipeBuilder->SetDiscreteMode();
278 aPipeBuilder->Build();
279 isDone = aPipeBuilder->IsDone();
292 this->initialize(aPipeBuilder);
295 if(anIsSolidNeeded) {
296 if(aPipeBuilder->MakeSolid() == Standard_False) {
300 TopoDS_Shape aResult = aPipeBuilder->Shape();
303 GeomShapePtr aFromShape(new GeomAPI_Shape), aToShape(new GeomAPI_Shape);
304 aFromShape->setImpl(new TopoDS_Shape(aPipeBuilder->FirstShape()));
305 aToShape->setImpl(new TopoDS_Shape(aPipeBuilder->LastShape()));
306 this->addFromShape(aFromShape);
307 this->addToShape(aToShape);
310 if(aResult.IsNull()) {
313 aResult = GeomAlgoAPI_DFLoader::refineResult(aResult);
314 GeomShapePtr aGeomSh(new GeomAPI_Shape());
315 aGeomSh->setImpl(new TopoDS_Shape(aResult));
316 this->setShape(aGeomSh);
320 //==================================================================================================
321 void GeomAlgoAPI_Pipe::generated(const GeomShapePtr theShape,
322 ListOfShape& theHistory)
324 GeomAlgoAPI_MakeShape::generated(theShape, theHistory);
327 // Auxilary functions:
328 //==================================================================================================
329 bool getBase(TopoDS_Shape& theBaseOut,
330 TopAbs_ShapeEnum& theBaseTypeOut,
331 const GeomShapePtr theBaseShape)
333 if(!theBaseShape.get()) {
337 theBaseOut = theBaseShape->impl<TopoDS_Shape>();
338 if(theBaseOut.IsNull()) {
341 theBaseTypeOut = theBaseOut.ShapeType();
342 if(theBaseTypeOut == TopAbs_VERTEX) {
344 } else if(theBaseTypeOut == TopAbs_EDGE) {
345 theBaseOut = BRepBuilderAPI_MakeWire(TopoDS::Edge(theBaseOut)).Shape();
346 } else if(theBaseTypeOut == TopAbs_WIRE) {
348 } else if(theBaseTypeOut == TopAbs_FACE) {
349 TopExp_Explorer anExp(theBaseOut, TopAbs_WIRE);
350 theBaseOut = anExp.Current();
358 //==================================================================================================
359 bool getPath(TopoDS_Wire& thePathOut, const GeomShapePtr thePathShape)
361 if(!thePathShape.get()) {
365 TopoDS_Shape aPathShape = thePathShape->impl<TopoDS_Shape>();
366 if(aPathShape.IsNull()) {
369 TopAbs_ShapeEnum aPathShapeType = aPathShape.ShapeType();
370 if(aPathShapeType == TopAbs_EDGE) {
371 TopoDS_Edge aPathEdge = TopoDS::Edge(aPathShape);
372 thePathOut = BRepBuilderAPI_MakeWire(aPathEdge).Wire();
373 } else if(aPathShapeType == TopAbs_WIRE) {
374 thePathOut = TopoDS::Wire(aPathShape);
382 //==================================================================================================
383 gp_Trsf getPathToBaseTranslation(const TopoDS_Shape& theBase, const TopoDS_Shape& thePath)
385 gp_Trsf aTranslation;
387 BRepExtrema_DistShapeShape aDist(theBase, thePath);
389 if (aDist.IsDone() && aDist.Value() > Precision::Confusion()) {
390 gp_Pnt aPntBase = aDist.PointOnShape1(1);
391 gp_Pnt aPntPath = aDist.PointOnShape2(1);
392 aTranslation.SetTranslation(aPntPath, aPntBase);
398 //==================================================================================================
399 bool buildPipe(BRepOffsetAPI_MakePipeShell* thePipeBuilder)
401 thePipeBuilder->Build();
403 Standard_Boolean isDone = thePipeBuilder->IsDone();
406 // Try to use Descrete Trihedron mode.
407 thePipeBuilder->SetDiscreteMode();
408 thePipeBuilder->Build();
409 isDone = thePipeBuilder->IsDone();
412 return isDone == Standard_True;
415 //==================================================================================================
416 ListOfShape getListFromShape(const TopoDS_Shape& theShape)
420 TopAbs_ShapeEnum aType = theShape.ShapeType();
421 if(aType == TopAbs_WIRE || aType == TopAbs_SHELL || aType == TopAbs_COMPOUND) {
422 for(TopoDS_Iterator anIt(theShape); anIt.More(); anIt.Next()) {
423 GeomShapePtr aGeomShape(new GeomAPI_Shape());
424 aGeomShape->setImpl(new TopoDS_Shape(anIt.Value()));
425 aList.push_back(aGeomShape);
428 GeomShapePtr aGeomShape(new GeomAPI_Shape());
429 aGeomShape->setImpl(new TopoDS_Shape(theShape));
430 aList.push_back(aGeomShape);