/src/contrib/geom-5.1.2.7/src/GEOMAlgo/GEOMAlgo_VertexSolid.cpp

  1//  Copyright (C) 2007-2008  CEA/DEN, EDF R&D, OPEN CASCADE
  2//
  3//  Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
  4//  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
  5//
  6//  This library is free software; you can redistribute it and/or
  7//  modify it under the terms of the GNU Lesser General Public
  8//  License as published by the Free Software Foundation; either
  9//  version 2.1 of the License.
 10//
 11//  This library is distributed in the hope that it will be useful,
 12//  but WITHOUT ANY WARRANTY; without even the implied warranty of
 13//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 14//  Lesser General Public License for more details.
 15//
 16//  You should have received a copy of the GNU Lesser General Public
 17//  License along with this library; if not, write to the Free Software
 18//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 19//
 20//  See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
 21//
 22// File:	GEOMAlgo_VertexSolid.cxx
 23// Created:	Wed Jan 12 16:36:40 2005
 24// Author:	Peter KURNEV
 25//		<pkv@irinox>
 26//
 27#include <GEOMAlgo_VertexSolid.ixx>
 28
 29#include <gp_Pnt.hxx>
 30
 31#include <TopAbs_ShapeEnum.hxx>
 32#include <TopAbs_State.hxx>
 33
 34#include <TopTools_ListIteratorOfListOfShape.hxx>
 35#include <TopTools_ListOfShape.hxx>
 36#include <TopTools_IndexedMapOfShape.hxx>
 37
 38#include <TopoDS.hxx>
 39#include <TopoDS_Solid.hxx>
 40#include <TopoDS_Vertex.hxx>
 41
 42#include <TopExp.hxx>
 43
 44#include <BRep_Tool.hxx>
 45#include <BRepClass3d_SolidClassifier.hxx>
 46
 47#include <BOPTColStd_Dump.hxx>
 48
 49#include <IntTools_Context.hxx>
 50
 51#include <BooleanOperations_StateOfShape.hxx>
 52#include <BooleanOperations_ShapesDataStructure.hxx>
 53
 54#include <BOPTools_InterferencePool.hxx>
 55#include <BOPTools_CArray1OfVVInterference.hxx>
 56#include <BOPTools_VVInterference.hxx>
 57#include <BOPTools_PaveFiller.hxx>
 58#include <BOPTools_DSFiller.hxx>
 59
 60//=======================================================================
 61//function : GEOMAlgo_VertexSolid
 62//purpose  : 
 63//=======================================================================
 64GEOMAlgo_VertexSolid::GEOMAlgo_VertexSolid()
 65:
 66  GEOMAlgo_ShapeSolid()
 67{
 68}
 69//=======================================================================
 70//function : ~
 71//purpose  : 
 72//=======================================================================
 73GEOMAlgo_VertexSolid::~GEOMAlgo_VertexSolid()
 74{
 75}
 76//=======================================================================
 77// function: Perform
 78// purpose: 
 79//=======================================================================
 80void GEOMAlgo_VertexSolid::Perform()
 81{
 82  myErrorStatus=0;
 83  //
 84  try {
 85    if (myDSFiller==NULL) {
 86      myErrorStatus=10;
 87      return;
 88    }
 89    if(!myDSFiller->IsDone()) {
 90      myErrorStatus=11;
 91      return;
 92    }
 93    //
 94    Standard_Boolean bIsNewFiller;
 95    Standard_Integer aNbF;
 96    TopTools_IndexedMapOfShape aM;
 97    //
 98    const BooleanOperations_ShapesDataStructure& aDS=myDSFiller->DS();
 99    const TopoDS_Shape& aObj=aDS.Object();
100    //
101    TopExp::MapShapes(aObj, TopAbs_FACE, aM);
102    aNbF=aM.Extent();
103    myRank=(aNbF) ? 2 : 1;
104    //
105    bIsNewFiller=myDSFiller->IsNewFiller();
106    
107    if (bIsNewFiller) {
108      Prepare();
109      myDSFiller->SetNewFiller(!bIsNewFiller);
110    }
111    BuildResult();
112  }
113  //
114  catch (Standard_Failure) {
115    myErrorStatus = 12;
116  }
117} 
118//=======================================================================
119// function: Prepare
120// purpose: 
121//=======================================================================
122void GEOMAlgo_VertexSolid::Prepare()
123{
124  Standard_Integer i, iBeg, iEnd, aNbVV, j, n1, n2, iFound;
125  Standard_Real aTol;
126  TopAbs_State aSt;
127  TopAbs_ShapeEnum aType;
128  BooleanOperations_StateOfShape aState;
129  gp_Pnt aP3D;
130  //
131  const BooleanOperations_ShapesDataStructure& aDS=myDSFiller->DS();
132  BooleanOperations_ShapesDataStructure* pDS=(BooleanOperations_ShapesDataStructure*)&aDS;
133  const BOPTools_InterferencePool& aIP=myDSFiller->InterfPool();
134  BOPTools_InterferencePool* pIP=(BOPTools_InterferencePool*) &aIP;
135  BOPTools_CArray1OfVVInterference& aVVs=pIP->VVInterferences();
136  const BOPTools_PaveFiller& aPF=myDSFiller->PaveFiller();
137  BOPTools_PaveFiller* pPF=(BOPTools_PaveFiller*)&aPF; 
138  IntTools_Context& aCtx=pPF->ChangeContext();
139  //
140  const TopoDS_Shape& aObj=aDS.Object();
141  const TopoDS_Shape& aTool=aDS.Tool();
142  //
143  const TopoDS_Solid& aSolid=(myRank==1) ? TopoDS::Solid(aTool) : TopoDS::Solid(aObj);
144  const TopoDS_Shape& aSV   =(myRank==1)? aObj : aTool;
145  //
146  BRepClass3d_SolidClassifier& aSC=aCtx.SolidClassifier(aSolid);
147  //
148  iBeg=1;
149  iEnd=aDS.NumberOfShapesOfTheObject();
150  if (myRank==2) {
151    iBeg=iEnd+1;
152    iEnd=aDS.NumberOfSourceShapes();
153  }
154  //
155  for (i=iBeg; i<=iEnd; ++i) {
156    aType=aDS.GetShapeType(i);
157    if (aType!=TopAbs_VERTEX) {
158      continue;
159    }
160    //
161    const TopoDS_Vertex& aV=TopoDS::Vertex(aDS.Shape(i));
162    //
163    aState=aDS.GetState(i);
164    if (aState==BooleanOperations_ON ||
165	aState==BooleanOperations_IN ||
166	aState==BooleanOperations_OUT) {
167      continue;
168    }
169    //
170    iFound=0;
171    aNbVV=aVVs.Extent();
172    for (j=1; j<=aNbVV; ++j) {
173      BOPTools_VVInterference& aVV=aVVs(j);
174      aVV.Indices(n1, n2);
175      if (n1==i || n2==i) {
176	pDS->SetState (n1, BooleanOperations_ON);
177	pDS->SetState (n2, BooleanOperations_ON);
178	iFound=1;
179	break;
180      } 
181    }
182    if (iFound) {
183      continue;
184    }
185    // 
186    aP3D=BRep_Tool::Pnt(aV);
187    aTol=1.E-7;
188    aSC.Perform(aP3D, aTol);
189    aSt=aSC.State();
190    if (aSt==TopAbs_IN) {
191      pDS->SetState (i, BooleanOperations_IN);
192    }
193    else if (aSt==TopAbs_OUT) {
194      pDS->SetState (i, BooleanOperations_OUT);
195    }
196  }
197}
198//=======================================================================
199// function: BuildResult
200// purpose: 
201//=======================================================================
202void GEOMAlgo_VertexSolid::BuildResult()
203{
204  const BooleanOperations_ShapesDataStructure& aDS=myDSFiller->DS();
205  //
206  Standard_Integer i, iBeg, iEnd;
207  TopAbs_ShapeEnum aType;
208  BooleanOperations_StateOfShape aState;
209  //
210  myLSIN.Clear();
211  myLSOUT.Clear();
212  myLSON.Clear();
213  //
214  iBeg=1;
215  iEnd=aDS.NumberOfShapesOfTheObject();
216  if (myRank==2) {
217    iBeg=iEnd+1;
218    iEnd=aDS.NumberOfSourceShapes();
219  }
220  //
221  for (i=iBeg; i<=iEnd; ++i) {
222    aType=aDS.GetShapeType(i);
223    if (aType!=TopAbs_VERTEX) {
224      continue;
225    }
226    const TopoDS_Shape& aV=aDS.Shape(i);
227    aState=aDS.GetState(i);
228    //
229    if (aState==BooleanOperations_IN) {
230      myLSIN.Append(aV);
231    }
232    else if (aState==BooleanOperations_OUT) {
233      myLSOUT.Append(aV);
234    }
235    else if (aState==BooleanOperations_ON) {
236      myLSON.Append(aV);
237    }
238  }
239}