src/OBJECT/SMESH_DeviceActor.cxx

   1 //  SMESH OBJECT : interactive object for SMESH visualization
   2 //
   3 //  Copyright (C) 2003  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.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org
  21 //
  22 //
  23 //
  24 //  File   : SMESH_DeviceActor.cxx
  25 //  Author :
  26 //  Module : SMESH
  27 //  $Header$
  28
  29
  30 #include "SMESH_DeviceActor.h"
  31 #include "SMESH_ExtractGeometry.h"
  32 #include "SMESH_ControlsDef.hxx"
  33 #include "SMESH_ActorUtils.h"
  34
  35 #include <VTKViewer_Transform.h>
  36 #include <VTKViewer_TransformFilter.h>
  37 #include <VTKViewer_PassThroughFilter.h>
  38 #include <VTKViewer_ExtractUnstructuredGrid.h>
  39
  40 // VTK Includes
  41 #include <vtkObjectFactory.h>
  42 #include <vtkShrinkFilter.h>
  43 #include <vtkShrinkPolyData.h>
  44
  45 #include <vtkProperty.h>
  46 #include <vtkPolyData.h>
  47 #include <vtkMergeFilter.h>
  48 #include <vtkPolyDataMapper.h>
  49 #include <vtkUnstructuredGrid.h>
  50
  51 #include <vtkScalarBarActor.h>
  52 #include <vtkLookupTable.h>
  53 #include <vtkDoubleArray.h>
  54 #include <vtkCellData.h>
  55
  56 #include <vtkCell.h>
  57 #include <vtkIdList.h>
  58 #include <vtkIntArray.h>
  59 #include <vtkCellArray.h>
  60 #include <vtkUnsignedCharArray.h>
  61
  62 #include <vtkImplicitBoolean.h>
  63
  64 #include "utilities.h"
  65
  66 #ifdef _DEBUG_
  67 static int MYDEBUG = 0;
  68 #else
  69 static int MYDEBUG = 0;
  70 #endif
  71
  72 using namespace std;
  73
  74
  75 vtkStandardNewMacro(SMESH_DeviceActor);
  76
  77
  78 SMESH_DeviceActor::SMESH_DeviceActor()
  79 {
  80   if(MYDEBUG) MESSAGE("SMESH_DeviceActor - "<<this);
  81
  82   myIsShrunk = false;
  83   myIsShrinkable = false;
  84   myRepresentation = eSurface;
  85
  86   myProperty = vtkProperty::New();
  87   myMapper = vtkPolyDataMapper::New();
  88
  89   vtkMapper::GetResolveCoincidentTopologyPolygonOffsetParameters(myPolygonOffsetFactor,
  90                                                                  myPolygonOffsetUnits);
  91
  92   myMapper->UseLookupTableScalarRangeOn();
  93   myMapper->SetColorModeToMapScalars();
  94
  95   myShrinkFilter = vtkShrinkFilter::New();
  96
  97   myStoreClippingMapping = false;
  98
  99   myExtractGeometry = SMESH_ExtractGeometry::New();
 100   myExtractGeometry->SetReleaseDataFlag(true);
 101   myIsImplicitFunctionUsed = false;
 102
 103   myExtractUnstructuredGrid = VTKViewer_ExtractUnstructuredGrid::New();
 104
 105   myMergeFilter = vtkMergeFilter::New();
 106
 107   myGeomFilter = VTKViewer_GeometryFilter::New();
 108
 109   myTransformFilter = VTKViewer_TransformFilter::New();
 110
 111   for(int i = 0; i < 6; i++)
 112     myPassFilter.push_back(VTKViewer_PassThroughFilter::New());
 113 }
 114
 115
 116 SMESH_DeviceActor::~SMESH_DeviceActor(){
 117   if(MYDEBUG) MESSAGE("~SMESH_DeviceActor - "<<this);
 118
 119   myProperty->Delete();
 120
 121   myMapper->Delete();
 122
 123   myShrinkFilter->Delete();
 124
 125   myExtractUnstructuredGrid->Delete();
 126
 127   myMergeFilter->Delete();
 128
 129   myGeomFilter->Delete();
 130
 131   myExtractGeometry->Delete();
 132
 133   myTransformFilter->Delete();
 134
 135   for(int i = 0, iEnd = myPassFilter.size(); i < iEnd; i++){
 136     myPassFilter[i]->Delete();
 137   }
 138 }
 139
 140
 141 void
 142 SMESH_DeviceActor::
 143 SetStoreGemetryMapping(bool theStoreMapping)
 144 {
 145   myGeomFilter->SetStoreMapping(theStoreMapping);
 146   SetStoreClippingMapping(theStoreMapping);
 147 }
 148
 149
 150 void
 151 SMESH_DeviceActor::
 152 SetStoreClippingMapping(bool theStoreMapping)
 153 {
 154   myStoreClippingMapping = theStoreMapping;
 155   myExtractGeometry->SetStoreMapping(theStoreMapping && myIsImplicitFunctionUsed);
 156   SetStoreIDMapping(theStoreMapping);
 157 }
 158
 159
 160 void
 161 SMESH_DeviceActor::
 162 SetStoreIDMapping(bool theStoreMapping)
 163 {
 164   myExtractUnstructuredGrid->SetStoreMapping(theStoreMapping);
 165 }
 166
 167
 168 void SMESH_DeviceActor::Init(TVisualObjPtr theVisualObj,
 169                              vtkImplicitBoolean* theImplicitBoolean)
 170 {
 171   myVisualObj = theVisualObj;
 172   myExtractGeometry->SetImplicitFunction(theImplicitBoolean);
 173   SetUnstructuredGrid(myVisualObj->GetUnstructuredGrid());
 174 }
 175
 176
 177 void
 178 SMESH_DeviceActor::
 179 SetImplicitFunctionUsed(bool theIsImplicitFunctionUsed)
 180 {
 181   int anId = 0;
 182   if(theIsImplicitFunctionUsed)
 183     myPassFilter[ anId ]->SetInput( myExtractGeometry->GetOutput() );
 184   else
 185     myPassFilter[ anId ]->SetInput( myMergeFilter->GetOutput() );
 186
 187   myIsImplicitFunctionUsed = theIsImplicitFunctionUsed;
 188   SetStoreClippingMapping(myStoreClippingMapping);
 189 }
 190
 191
 192 void SMESH_DeviceActor::SetUnstructuredGrid(vtkUnstructuredGrid* theGrid){
 193   if(theGrid){
 194     //myIsShrinkable = theGrid->GetNumberOfCells() > 10;
 195     myIsShrinkable = true;
 196
 197     myExtractUnstructuredGrid->SetInput(theGrid);
 198
 199     myMergeFilter->SetGeometry(myExtractUnstructuredGrid->GetOutput());
 200
 201     myExtractGeometry->SetInput(myMergeFilter->GetOutput());
 202
 203     int anId = 0;
 204     SetImplicitFunctionUsed(myIsImplicitFunctionUsed);
 205     myPassFilter[ anId + 1]->SetInput( myPassFilter[ anId ]->GetOutput() );
 206
 207     anId++; // 1
 208     myGeomFilter->SetInput( myPassFilter[ anId ]->GetOutput() );
 209
 210     anId++; // 2
 211     myPassFilter[ anId ]->SetInput( myGeomFilter->GetOutput() );
 212     myPassFilter[ anId + 1 ]->SetInput( myPassFilter[ anId ]->GetOutput() );
 213
 214     anId++; // 3
 215     myTransformFilter->SetInput( myPassFilter[ anId ]->GetPolyDataOutput() );
 216     myTransformFilter->SetInput( myPassFilter[ anId ]->GetPolyDataOutput() );
 217
 218     anId++; // 4
 219     myPassFilter[ anId ]->SetInput( myTransformFilter->GetOutput() );
 220     myPassFilter[ anId + 1 ]->SetInput( myPassFilter[ anId ]->GetOutput() );
 221     myPassFilter[ anId ]->SetInput( myTransformFilter->GetOutput() );
 222     myPassFilter[ anId + 1 ]->SetInput( myPassFilter[ anId ]->GetOutput() );
 223
 224     anId++; // 5
 225     myMapper->SetInput( myPassFilter[ anId ]->GetPolyDataOutput() );
 226     myMapper->SetInput( myPassFilter[ anId ]->GetPolyDataOutput() );
 227
 228     vtkLODActor::SetMapper( myMapper );
 229     Modified();
 230   }
 231 }
 232
 233
 234 VTKViewer_ExtractUnstructuredGrid* SMESH_DeviceActor::GetExtractUnstructuredGrid(){
 235   return myExtractUnstructuredGrid;
 236 }
 237
 238
 239 vtkUnstructuredGrid* SMESH_DeviceActor::GetUnstructuredGrid(){
 240   myExtractUnstructuredGrid->Update();
 241   return myExtractUnstructuredGrid->GetOutput();
 242 }
 243
 244
 245 void SMESH_DeviceActor::SetControlMode(SMESH::Controls::FunctorPtr theFunctor,
 246                                        vtkScalarBarActor* theScalarBarActor,
 247                                        vtkLookupTable* theLookupTable)
 248 {
 249   bool anIsInitialized = theFunctor;
 250   if(anIsInitialized){
 251     vtkUnstructuredGrid* aDataSet = vtkUnstructuredGrid::New();
 252
 253     SetStoreIDMapping(true);
 254     myExtractUnstructuredGrid->Update();
 255     vtkUnstructuredGrid* aGrid = myExtractUnstructuredGrid->GetOutput();
 256
 257     aDataSet->ShallowCopy(aGrid);
 258
 259     vtkDoubleArray *aScalars = vtkDoubleArray::New();
 260     vtkIdType aNbCells = aGrid->GetNumberOfCells();
 261     aScalars->SetNumberOfComponents(1);
 262     aScalars->SetNumberOfTuples(aNbCells);
 263
 264     myVisualObj->UpdateFunctor(theFunctor);
 265
 266     using namespace SMESH::Controls;
 267     if(NumericalFunctor* aNumericalFunctor = dynamic_cast<NumericalFunctor*>(theFunctor.get())){
 268       for(vtkIdType i = 0; i < aNbCells; i++){
 269         vtkIdType anId = myExtractUnstructuredGrid->GetInputId(i);
 270         vtkIdType anObjId = myVisualObj->GetElemObjId(anId);
 271         double aValue = aNumericalFunctor->GetValue(anObjId);
 272         aScalars->SetValue(i,aValue);
 273       }
 274     }else if(Predicate* aPredicate = dynamic_cast<Predicate*>(theFunctor.get())){
 275       for(vtkIdType i = 0; i < aNbCells; i++){
 276         vtkIdType anId = myExtractUnstructuredGrid->GetInputId(i);
 277         vtkIdType anObjId = myVisualObj->GetElemObjId(anId);
 278         bool aValue = aPredicate->IsSatisfy(anObjId);
 279         aScalars->SetValue(i,aValue);
 280       }
 281     }
 282
 283     aDataSet->GetCellData()->SetScalars(aScalars);
 284     aScalars->Delete();
 285
 286     theLookupTable->SetRange(aScalars->GetRange());
 287     theLookupTable->Build();
 288
 289     myMergeFilter->SetScalars(aDataSet);
 290     aDataSet->Delete();
 291   }
 292   GetMapper()->SetScalarVisibility(anIsInitialized);
 293   theScalarBarActor->SetVisibility(anIsInitialized);
 294 }
 295
 296 void SMESH_DeviceActor::SetExtControlMode(SMESH::Controls::FunctorPtr theFunctor,
 297                                           vtkScalarBarActor* theScalarBarActor,
 298                                           vtkLookupTable* theLookupTable)
 299 {
 300   bool anIsInitialized = theFunctor;
 301   myExtractUnstructuredGrid->ClearRegisteredCells();
 302   myExtractUnstructuredGrid->ClearRegisteredCellsWithType();
 303   myExtractUnstructuredGrid->SetModeOfChanging(VTKViewer_ExtractUnstructuredGrid::ePassAll);
 304   myVisualObj->UpdateFunctor(theFunctor);
 305
 306   using namespace SMESH::Controls;
 307   if (anIsInitialized){
 308     if (Length2D* aLength2D = dynamic_cast<Length2D*>(theFunctor.get())){
 309       SMESH::Controls::Length2D::TValues aValues;
 310
 311       aLength2D->GetValues(aValues);
 312       vtkUnstructuredGrid* aDataSet = vtkUnstructuredGrid::New();
 313       vtkUnstructuredGrid* aGrid = myVisualObj->GetUnstructuredGrid();
 314
 315       aDataSet->SetPoints(aGrid->GetPoints());
 316
 317       vtkIdType aNbCells = aValues.size();
 318
 319       vtkDoubleArray *aScalars = vtkDoubleArray::New();
 320       aScalars->SetNumberOfComponents(1);
 321       aScalars->SetNumberOfTuples(aNbCells);
 322
 323       vtkIdType aCellsSize = 3*aNbCells;
 324       vtkCellArray* aConnectivity = vtkCellArray::New();
 325       aConnectivity->Allocate( aCellsSize, 0 );
 326
 327       vtkUnsignedCharArray* aCellTypesArray = vtkUnsignedCharArray::New();
 328       aCellTypesArray->SetNumberOfComponents( 1 );
 329       aCellTypesArray->Allocate( aNbCells * aCellTypesArray->GetNumberOfComponents() );
 330
 331       vtkIdList *anIdList = vtkIdList::New();
 332       anIdList->SetNumberOfIds(2);
 333
 334       Length2D::TValues::const_iterator anIter = aValues.begin();
 335       for(vtkIdType aVtkId = 0; anIter != aValues.end(); anIter++,aVtkId++){
 336         const Length2D::Value& aValue = *anIter;
 337         int aNode[2] = {
 338           myVisualObj->GetNodeVTKId(aValue.myPntId[0]),
 339           myVisualObj->GetNodeVTKId(aValue.myPntId[1])
 340         };
 341         if(aNode[0] >= 0 && aNode[1] >= 0){
 342           anIdList->SetId( 0, aNode[0] );
 343           anIdList->SetId( 1, aNode[1] );
 344           aConnectivity->InsertNextCell( anIdList );
 345           aCellTypesArray->InsertNextValue( VTK_LINE );
 346           aScalars->SetValue(aVtkId,aValue.myLength);
 347         }
 348       }
 349
 350       vtkIntArray* aCellLocationsArray = vtkIntArray::New();
 351       aCellLocationsArray->SetNumberOfComponents( 1 );
 352       aCellLocationsArray->SetNumberOfTuples( aNbCells );
 353
 354       aConnectivity->InitTraversal();
 355       for( vtkIdType idType = 0, *pts, npts; aConnectivity->GetNextCell( npts, pts ); idType++ )
 356         aCellLocationsArray->SetValue( idType, aConnectivity->GetTraversalLocation( npts ) );
 357
 358       aDataSet->SetCells( aCellTypesArray, aCellLocationsArray,aConnectivity );
 359       SetUnstructuredGrid(aDataSet);
 360
 361       aDataSet->GetCellData()->SetScalars(aScalars);
 362       aScalars->Delete();
 363
 364       theLookupTable->SetRange(aScalars->GetRange());
 365       theLookupTable->Build();
 366
 367       myMergeFilter->SetScalars(aDataSet);
 368       aDataSet->Delete();
 369     }
 370     else if (MultiConnection2D* aMultiConnection2D = dynamic_cast<MultiConnection2D*>(theFunctor.get())){
 371       SMESH::Controls::MultiConnection2D::MValues aValues;
 372
 373       aMultiConnection2D->GetValues(aValues);
 374       vtkUnstructuredGrid* aDataSet = vtkUnstructuredGrid::New();
 375       vtkUnstructuredGrid* aGrid = myVisualObj->GetUnstructuredGrid();
 376       aDataSet->SetPoints(aGrid->GetPoints());
 377
 378       vtkIdType aNbCells = aValues.size();
 379       vtkDoubleArray *aScalars = vtkDoubleArray::New();
 380       aScalars->SetNumberOfComponents(1);
 381       aScalars->SetNumberOfTuples(aNbCells);
 382
 383       vtkIdType aCellsSize = 3*aNbCells;
 384       vtkCellArray* aConnectivity = vtkCellArray::New();
 385       aConnectivity->Allocate( aCellsSize, 0 );
 386
 387       vtkUnsignedCharArray* aCellTypesArray = vtkUnsignedCharArray::New();
 388       aCellTypesArray->SetNumberOfComponents( 1 );
 389       aCellTypesArray->Allocate( aNbCells * aCellTypesArray->GetNumberOfComponents() );
 390
 391       vtkIdList *anIdList = vtkIdList::New();
 392       anIdList->SetNumberOfIds(2);
 393
 394       MultiConnection2D::MValues::const_iterator anIter = aValues.begin();
 395       for(vtkIdType aVtkId = 0; anIter != aValues.end(); anIter++,aVtkId++){
 396         const MultiConnection2D::Value& aValue = (*anIter).first;
 397         int aNode[2] = {
 398           myVisualObj->GetNodeVTKId(aValue.myPntId[0]),
 399           myVisualObj->GetNodeVTKId(aValue.myPntId[1])
 400         };
 401         if(aNode[0] >= 0 && aNode[1] >= 0){
 402           anIdList->SetId( 0, aNode[0] );
 403           anIdList->SetId( 1, aNode[1] );
 404           aConnectivity->InsertNextCell( anIdList );
 405           aCellTypesArray->InsertNextValue( VTK_LINE );
 406           aScalars->SetValue(aVtkId,(*anIter).second);
 407         }
 408       }
 409
 410       vtkIntArray* aCellLocationsArray = vtkIntArray::New();
 411       aCellLocationsArray->SetNumberOfComponents( 1 );
 412       aCellLocationsArray->SetNumberOfTuples( aNbCells );
 413
 414       aConnectivity->InitTraversal();
 415       for( vtkIdType idType = 0, *pts, npts; aConnectivity->GetNextCell( npts, pts ); idType++ )
 416         aCellLocationsArray->SetValue( idType, aConnectivity->GetTraversalLocation( npts ) );
 417
 418       aDataSet->SetCells( aCellTypesArray, aCellLocationsArray,aConnectivity );
 419       SetUnstructuredGrid(aDataSet);
 420
 421       aDataSet->GetCellData()->SetScalars(aScalars);
 422       aScalars->Delete();
 423
 424       theLookupTable->SetRange(aScalars->GetRange());
 425       theLookupTable->Build();
 426
 427       myMergeFilter->SetScalars(aDataSet);
 428       aDataSet->Delete();
 429     }
 430   }
 431   GetMapper()->SetScalarVisibility(anIsInitialized);
 432   theScalarBarActor->SetVisibility(anIsInitialized);
 433 }
 434
 435 void SMESH_DeviceActor::SetExtControlMode(SMESH::Controls::FunctorPtr theFunctor)
 436 {
 437   myExtractUnstructuredGrid->ClearRegisteredCells();
 438   myExtractUnstructuredGrid->ClearRegisteredCellsWithType();
 439   myExtractUnstructuredGrid->SetModeOfChanging(VTKViewer_ExtractUnstructuredGrid::ePassAll);
 440   myVisualObj->UpdateFunctor(theFunctor);
 441
 442   using namespace SMESH::Controls;
 443   if(FreeBorders* aFreeBorders = dynamic_cast<FreeBorders*>(theFunctor.get())){
 444     myExtractUnstructuredGrid->SetModeOfChanging(VTKViewer_ExtractUnstructuredGrid::eAdding);
 445     vtkUnstructuredGrid* aGrid = myVisualObj->GetUnstructuredGrid();
 446     vtkIdType aNbCells = aGrid->GetNumberOfCells();
 447     for( vtkIdType i = 0; i < aNbCells; i++ ){
 448       vtkIdType anObjId = myVisualObj->GetElemObjId(i);
 449       if(aFreeBorders->IsSatisfy(anObjId))
 450         myExtractUnstructuredGrid->RegisterCell(i);
 451     }
 452     if(!myExtractUnstructuredGrid->IsCellsRegistered())
 453       myExtractUnstructuredGrid->RegisterCell(-1);
 454     SetUnstructuredGrid(myVisualObj->GetUnstructuredGrid());
 455   }else if(FreeEdges* aFreeEdges = dynamic_cast<FreeEdges*>(theFunctor.get())){
 456     SMESH::Controls::FreeEdges::TBorders aBorders;
 457     aFreeEdges->GetBoreders(aBorders);
 458     vtkUnstructuredGrid* aDataSet = vtkUnstructuredGrid::New();
 459     vtkUnstructuredGrid* aGrid = myVisualObj->GetUnstructuredGrid();
 460     aDataSet->SetPoints(aGrid->GetPoints());
 461
 462     vtkIdType aNbCells = aBorders.size();
 463     vtkIdType aCellsSize = 3*aNbCells;
 464     vtkCellArray* aConnectivity = vtkCellArray::New();
 465     aConnectivity->Allocate( aCellsSize, 0 );
 466
 467     vtkUnsignedCharArray* aCellTypesArray = vtkUnsignedCharArray::New();
 468     aCellTypesArray->SetNumberOfComponents( 1 );
 469     aCellTypesArray->Allocate( aNbCells * aCellTypesArray->GetNumberOfComponents() );
 470
 471     vtkIdList *anIdList = vtkIdList::New();
 472     anIdList->SetNumberOfIds(2);
 473
 474     FreeEdges::TBorders::const_iterator anIter = aBorders.begin();
 475     for(; anIter != aBorders.end(); anIter++){
 476       const FreeEdges::Border& aBorder = *anIter;
 477       int aNode[2] = {
 478         myVisualObj->GetNodeVTKId(aBorder.myPntId[0]),
 479         myVisualObj->GetNodeVTKId(aBorder.myPntId[1])
 480       };
 481       //cout<<"aNode = "<<aBorder.myPntId[0]<<"; "<<aBorder.myPntId[1]<<endl;
 482       if(aNode[0] >= 0 && aNode[1] >= 0){
 483         anIdList->SetId( 0, aNode[0] );
 484         anIdList->SetId( 1, aNode[1] );
 485         aConnectivity->InsertNextCell( anIdList );
 486         aCellTypesArray->InsertNextValue( VTK_LINE );
 487       }
 488     }
 489
 490     vtkIntArray* aCellLocationsArray = vtkIntArray::New();
 491     aCellLocationsArray->SetNumberOfComponents( 1 );
 492     aCellLocationsArray->SetNumberOfTuples( aNbCells );
 493
 494     aConnectivity->InitTraversal();
 495     for( vtkIdType idType = 0, *pts, npts; aConnectivity->GetNextCell( npts, pts ); idType++ )
 496       aCellLocationsArray->SetValue( idType, aConnectivity->GetTraversalLocation( npts ) );
 497
 498     aDataSet->SetCells( aCellTypesArray, aCellLocationsArray,aConnectivity );
 499
 500     SetUnstructuredGrid(aDataSet);
 501     aDataSet->Delete();
 502   }
 503 }
 504
 505
 506
 507
 508 unsigned long int SMESH_DeviceActor::GetMTime(){
 509   unsigned long mTime = this->Superclass::GetMTime();
 510   mTime = max(mTime,myExtractGeometry->GetMTime());
 511   mTime = max(mTime,myExtractUnstructuredGrid->GetMTime());
 512   mTime = max(mTime,myMergeFilter->GetMTime());
 513   mTime = max(mTime,myGeomFilter->GetMTime());
 514   mTime = max(mTime,myTransformFilter->GetMTime());
 515   return mTime;
 516 }
 517
 518
 519 void SMESH_DeviceActor::SetTransform(VTKViewer_Transform* theTransform){
 520   myTransformFilter->SetTransform(theTransform);
 521 }
 522
 523
 524 void SMESH_DeviceActor::SetShrink() {
 525   if ( !myIsShrinkable ) return;
 526   if ( vtkDataSet* aDataSet = myPassFilter[ 0 ]->GetOutput() )
 527   {
 528     myShrinkFilter->SetInput( aDataSet );
 529     myPassFilter[ 1 ]->SetInput( myShrinkFilter->GetOutput() );
 530     myIsShrunk = true;
 531   }
 532 }
 533
 534 void SMESH_DeviceActor::UnShrink() {
 535   if ( !myIsShrunk ) return;
 536   if ( vtkDataSet* aDataSet = myPassFilter[ 0 ]->GetOutput() )
 537   {
 538     myPassFilter[ 1 ]->SetInput( aDataSet );
 539     myPassFilter[ 1 ]->Modified();
 540     myIsShrunk = false;
 541     Modified();
 542   }
 543 }
 544
 545
 546 void SMESH_DeviceActor::SetRepresentation(EReperesent theMode){
 547   switch(theMode){
 548   case ePoint:
 549     myGeomFilter->SetInside(true);
 550     GetProperty()->SetRepresentation(0);
 551     break;
 552   case eInsideframe:
 553     myGeomFilter->SetInside(true);
 554     GetProperty()->SetRepresentation(1);
 555     break;
 556   default :
 557     myGeomFilter->SetInside(false);
 558     GetProperty()->SetRepresentation(theMode);
 559   }
 560   myRepresentation = theMode;
 561   GetProperty()->Modified();
 562   myMapper->Modified();
 563   Modified();
 564 }
 565
 566
 567 void SMESH_DeviceActor::SetVisibility(int theMode){
 568   if(!myExtractUnstructuredGrid->GetInput() ||
 569      GetUnstructuredGrid()->GetNumberOfCells())
 570   {
 571     vtkLODActor::SetVisibility(theMode);
 572   }else{
 573     vtkLODActor::SetVisibility(false);
 574   }
 575 }
 576
 577
 578 int SMESH_DeviceActor::GetVisibility(){
 579   if(!GetUnstructuredGrid()->GetNumberOfCells()){
 580     vtkLODActor::SetVisibility(false);
 581   }
 582   return vtkLODActor::GetVisibility();
 583 }
 584
 585
 586 int SMESH_DeviceActor::GetNodeObjId(int theVtkID){
 587   vtkIdType anID = theVtkID;
 588
 589   if(IsImplicitFunctionUsed())
 590     anID = myExtractGeometry->GetNodeObjId(theVtkID);
 591
 592   vtkIdType aRetID = myVisualObj->GetNodeObjId(anID);
 593   if(MYDEBUG) MESSAGE("GetNodeObjId - theVtkID = "<<theVtkID<<"; anID = "<<anID<<"; aRetID = "<<aRetID);
 594   return aRetID;
 595 }
 596
 597 float* SMESH_DeviceActor::GetNodeCoord(int theObjID){
 598   vtkDataSet* aDataSet = myMergeFilter->GetOutput();
 599   vtkIdType anID = myVisualObj->GetNodeVTKId(theObjID);
 600   float* aCoord = aDataSet->GetPoint(anID);
 601   if(MYDEBUG) MESSAGE("GetNodeCoord - theObjID = "<<theObjID<<"; anID = "<<anID);
 602   return aCoord;
 603 }
 604
 605
 606 int SMESH_DeviceActor::GetElemObjId(int theVtkID){
 607   vtkIdType anId = myGeomFilter->GetElemObjId(theVtkID);
 608   if(anId < 0)
 609     return -1;
 610
 611   vtkIdType anId2 = anId;
 612   if(IsImplicitFunctionUsed())
 613     anId2 = myExtractGeometry->GetElemObjId(anId);
 614   if(anId2 < 0)
 615     return -1;
 616
 617   vtkIdType anId3 = myExtractUnstructuredGrid->GetInputId(anId2);
 618   if(anId3 < 0)
 619     return -1;
 620
 621   vtkIdType aRetID = myVisualObj->GetElemObjId(anId3);
 622   if(MYDEBUG)
 623      MESSAGE("GetElemObjId - theVtkID = "<<theVtkID<<"; anId2 = "<<anId2<<"; anId3 = "<<anId3<<"; aRetID = "<<aRetID);
 624   return aRetID;
 625 }
 626
 627 vtkCell* SMESH_DeviceActor::GetElemCell(int theObjID){
 628   vtkDataSet* aDataSet = myVisualObj->GetUnstructuredGrid();
 629   vtkIdType aGridID = myVisualObj->GetElemVTKId(theObjID);
 630   vtkCell* aCell = aDataSet->GetCell(aGridID);
 631   if(MYDEBUG)
 632     MESSAGE("GetElemCell - theObjID = "<<theObjID<<"; aGridID = "<<aGridID);
 633   return aCell;
 634 }
 635
 636
 637 float SMESH_DeviceActor::GetShrinkFactor(){
 638   return myShrinkFilter->GetShrinkFactor();
 639 }
 640
 641 void SMESH_DeviceActor::SetShrinkFactor(float theValue){
 642   theValue = theValue > 0.1? theValue: 0.8;
 643   myShrinkFilter->SetShrinkFactor(theValue);
 644   Modified();
 645 }
 646
 647
 648 void SMESH_DeviceActor::SetHighlited(bool theIsHighlited){
 649   myIsHighlited = theIsHighlited;
 650   Modified();
 651 }
 652
 653 void SMESH_DeviceActor::Render(vtkRenderer *ren, vtkMapper* m){
 654   int aResolveCoincidentTopology = vtkMapper::GetResolveCoincidentTopology();
 655   float aStoredFactor, aStoredUnit;
 656   vtkMapper::GetResolveCoincidentTopologyPolygonOffsetParameters(aStoredFactor,aStoredUnit);
 657
 658   vtkMapper::SetResolveCoincidentTopologyToPolygonOffset();
 659   float aFactor = myPolygonOffsetFactor, aUnits = myPolygonOffsetUnits;
 660   if(myIsHighlited){
 661     static float EPS = .01;
 662     aUnits *= (1.0-EPS);
 663   }
 664   vtkMapper::SetResolveCoincidentTopologyPolygonOffsetParameters(aFactor,aUnits);
 665   vtkLODActor::Render(ren,m);
 666
 667   vtkMapper::SetResolveCoincidentTopologyPolygonOffsetParameters(aStoredFactor,aStoredUnit);
 668   vtkMapper::SetResolveCoincidentTopology(aResolveCoincidentTopology);
 669 }
 670
 671
 672 void SMESH_DeviceActor::SetPolygonOffsetParameters(float factor, float units){
 673   myPolygonOffsetFactor = factor;
 674   myPolygonOffsetUnits = units;
 675 }
 676