src/SMESHGUI/SMESHGUI_VTKUtils.cxx

   1 // Copyright (C) 2007-2013  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
  23 // SMESH SMESHGUI : GUI for SMESH component
  24 // File   : SMESHGUI_VTKUtils.cxx
  25 // Author : Open CASCADE S.A.S.
  26 // SMESH includes
  27 //
  28 #include "SMESHGUI_VTKUtils.h"
  29
  30 #include "SMESHGUI.h"
  31 #include "SMESHGUI_Utils.h"
  32 #include "SMESHGUI_Filter.h"
  33 #include "SMESH_ControlsDef.hxx"
  34
  35 #include <SMESH_Actor.h>
  36 #include <SMESH_ActorUtils.h>
  37 #include "SMESH_NodeLabelActor.h"
  38 #include "SMESH_CellLabelActor.h"
  39 #include <SMESH_ObjectDef.h>
  40 #include <SMDS_Mesh.hxx>
  41
  42 // SALOME GUI includes
  43 #include <SUIT_Desktop.h>
  44 #include <SUIT_Session.h>
  45 #include <SUIT_MessageBox.h>
  46 #include <SUIT_ViewManager.h>
  47 #include <SUIT_ResourceMgr.h>
  48
  49 #include <SALOME_ListIO.hxx>
  50 #include <SALOME_ListIteratorOfListIO.hxx>
  51
  52 #include <SVTK_Selector.h>
  53 #include <SVTK_ViewModel.h>
  54 #include <SVTK_ViewWindow.h>
  55
  56 #include <VTKViewer_Algorithm.h>
  57
  58 #include <LightApp_SelectionMgr.h>
  59 #include <SalomeApp_Application.h>
  60 #include <SalomeApp_Study.h>
  61
  62 // SALOME KERNEL includes
  63 #include <utilities.h>
  64
  65 // IDL includes
  66 #include <SALOMEconfig.h>
  67 #include CORBA_CLIENT_HEADER(SMESH_Mesh)
  68 #include CORBA_CLIENT_HEADER(SMESH_Group)
  69
  70 // VTK includes
  71 #include <vtkMath.h>
  72 #include <vtkRenderer.h>
  73 #include <vtkActorCollection.h>
  74 #include <vtkUnstructuredGrid.h>
  75
  76 // OCCT includes
  77 #include <TColStd_IndexedMapOfInteger.hxx>
  78 #include <Standard_ErrorHandler.hxx>
  79
  80 namespace SMESH
  81 {
  82   typedef std::map<TKeyOfVisualObj,TVisualObjPtr> TVisualObjCont;
  83   static TVisualObjCont VISUAL_OBJ_CONT;
  84
  85   //=============================================================================
  86   /*!
  87    * \brief Allocate some memory at construction and release it at destruction.
  88    * Is used to be able to continue working after mesh generation or visualization
  89    * break due to lack of memory
  90    */
  91   //=============================================================================
  92
  93   struct MemoryReserve
  94   {
  95     char* myBuf;
  96     MemoryReserve(): myBuf( new char[1024*1024*1] ){} // 1M
  97     void Free() { if (myBuf) { delete [] myBuf; myBuf = 0; }}
  98     ~MemoryReserve() { Free(); }
  99   };
 100   static MemoryReserve* theVISU_MemoryReserve = new MemoryReserve;
 101
 102   //================================================================================
 103   /*!
 104    * \brief Remove VisualObj and its actor from all views
 105    */
 106   //================================================================================
 107
 108   void RemoveVisualObjectWithActors( const char* theEntry, bool fromAllViews )
 109   {
 110     SalomeApp_Application* app = dynamic_cast<SalomeApp_Application*>(SUIT_Session::session()->activeApplication());
 111     if(!app)
 112       return;
 113     SalomeApp_Study* aStudy  = dynamic_cast<SalomeApp_Study*>(app->activeStudy());
 114     if(!aStudy)
 115       return;
 116     ViewManagerList aList;
 117
 118     if(fromAllViews) {
 119       app->viewManagers(SVTK_Viewer::Type() , aList);
 120     } else {
 121       SUIT_ViewManager* aVM = app->getViewManager(SVTK_Viewer::Type(), true);
 122       if(aVM)
 123         aList.append(aVM);
 124     }
 125     bool actorRemoved = false;
 126     ViewManagerList::ConstIterator it = aList.begin();
 127     SUIT_ViewManager* aViewManager = 0;
 128     for( ; it!=aList.end();it++) {
 129       aViewManager = *it;
 130       QVector<SUIT_ViewWindow*> views = aViewManager->getViews();
 131       for ( int iV = 0; iV < views.count(); ++iV ) {
 132         if ( SMESH_Actor* actor = FindActorByEntry( views[iV], theEntry)) {
 133           if(SVTK_ViewWindow* vtkWnd = GetVtkViewWindow(views[iV])) {
 134             vtkWnd->RemoveActor(actor);
 135             actorRemoved = true;
 136           }
 137           actor->Delete();
 138         }
 139       }
 140     }
 141
 142     if (aViewManager ) {
 143       int aStudyId = aViewManager->study()->id();
 144       TVisualObjCont::key_type aKey(aStudyId,theEntry);
 145       TVisualObjCont::iterator anIter = VISUAL_OBJ_CONT.find(aKey);
 146       if(anIter != VISUAL_OBJ_CONT.end()) {
 147         // for unknown reason, object destructor is not called, so clear object manually
 148         anIter->second->GetUnstructuredGrid()->SetCells(0,0,0,0,0);
 149         anIter->second->GetUnstructuredGrid()->SetPoints(0);
 150       }
 151       VISUAL_OBJ_CONT.erase(aKey);
 152     }
 153
 154     if(actorRemoved)
 155       aStudy->setVisibilityState(theEntry, Qtx::HiddenState);
 156   }
 157   //================================================================================
 158   /*!
 159    * \brief Remove all VisualObjs and their actors from all views
 160    */
 161   //================================================================================
 162
 163   void RemoveAllObjectsWithActors()
 164   {
 165     SalomeApp_Application* app = dynamic_cast<SalomeApp_Application*>
 166       ( SUIT_Session::session()->activeApplication() );
 167     if (!app) return;
 168     ViewManagerList viewMgrs = app->viewManagers();
 169     for ( int iM = 0; iM < viewMgrs.count(); ++iM ) {
 170       SUIT_ViewManager* aViewManager = viewMgrs.at( iM );
 171       if ( aViewManager && aViewManager->getType() == SVTK_Viewer::Type()) {
 172         QVector<SUIT_ViewWindow*> views = aViewManager->getViews();
 173         for ( int iV = 0; iV < views.count(); ++iV ) {
 174           if(SVTK_ViewWindow* vtkWnd = GetVtkViewWindow(views[iV])) {
 175             vtkRenderer *aRenderer = vtkWnd->getRenderer();
 176             VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
 177             vtkActorCollection *actors = aCopy.GetActors();
 178             for (int i = 0; i < actors->GetNumberOfItems(); ++i ) {
 179               // size of actors changes inside the loop
 180               if (SMESH_Actor *actor = dynamic_cast<SMESH_Actor*>(actors->GetItemAsObject(i)))
 181               {
 182                 vtkWnd->RemoveActor(actor);
 183                 actor->Delete();
 184               }
 185             }
 186           }
 187         }
 188       }
 189     }
 190     TVisualObjCont::iterator anIter = VISUAL_OBJ_CONT.begin();
 191     for ( ; anIter != VISUAL_OBJ_CONT.end(); ++anIter ) {
 192       // for unknown reason, object destructor is not called, so clear object manually
 193       anIter->second->GetUnstructuredGrid()->SetCells(0,0,0,0,0);
 194       anIter->second->GetUnstructuredGrid()->SetPoints(0);
 195     }
 196     VISUAL_OBJ_CONT.clear();
 197   }
 198
 199   //================================================================================
 200   /*!
 201    * \brief Remove all VisualObjs of a study
 202    */
 203   //================================================================================
 204
 205   void RemoveVisuData(int studyID)
 206   {
 207     SalomeApp_Application* app = dynamic_cast<SalomeApp_Application*>
 208       ( SUIT_Session::session()->activeApplication() );
 209     if (!app) return;
 210     ViewManagerList viewMgrs = app->viewManagers();
 211     for ( int iM = 0; iM < viewMgrs.count(); ++iM ) {
 212       SUIT_ViewManager* aViewManager = viewMgrs.at( iM );
 213       if ( aViewManager && aViewManager->getType() == SVTK_Viewer::Type() &&
 214            aViewManager->study()->id() == studyID ) {
 215         QVector<SUIT_ViewWindow*> views = aViewManager->getViews();
 216         for ( int iV = 0; iV < views.count(); ++iV ) {
 217           if(SVTK_ViewWindow* vtkWnd = GetVtkViewWindow(views[iV])) {
 218             vtkRenderer *aRenderer = vtkWnd->getRenderer();
 219             VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
 220             vtkActorCollection *actors = aCopy.GetActors();
 221             for (int i = 0; i < actors->GetNumberOfItems(); ++i ) {
 222               // size of actors changes inside the loop
 223               if(SMESH_Actor *actor = dynamic_cast<SMESH_Actor*>(actors->GetItemAsObject(i)))
 224               {
 225                 vtkWnd->RemoveActor(actor);
 226                 actor->Delete();
 227               }
 228             }
 229           }
 230         }
 231       }
 232     }
 233     TVisualObjCont::iterator anIter = VISUAL_OBJ_CONT.begin();
 234     for ( ; anIter != VISUAL_OBJ_CONT.end(); ) {
 235       int curId = anIter->first.first;
 236       if ( curId == studyID ) {
 237         // for unknown reason, object destructor is not called, so clear object manually
 238         anIter->second->GetUnstructuredGrid()->SetCells(0,0,0,0,0);
 239         anIter->second->GetUnstructuredGrid()->SetPoints(0);
 240         VISUAL_OBJ_CONT.erase( anIter++ ); // anIter++ returns a copy of self before incrementing
 241       }
 242       else {
 243         anIter++;
 244       }
 245     }
 246   }
 247
 248   //================================================================================
 249   /*!
 250    * \brief Notify the user on problems during visualization
 251    */
 252   //================================================================================
 253
 254   void OnVisuException()
 255   {
 256     try {
 257 #if (OCC_VERSION_MAJOR << 16 | OCC_VERSION_MINOR << 8 | OCC_VERSION_MAINTENANCE) > 0x060100
 258       OCC_CATCH_SIGNALS;
 259 #endif
 260       // PAL16774 (Crash after display of many groups). Salome sometimes crashes just
 261       // after or at showing this message, so we do an additional check of available memory
 262 //       char* buf = new char[100*1024];
 263 //       delete [] buf;
 264       SUIT_MessageBox::warning(SMESHGUI::desktop(), QObject::tr("SMESH_WRN_WARNING"),
 265                                QObject::tr("SMESH_VISU_PROBLEM"));
 266     } catch (...) {
 267       // no more memory at all: last resort
 268       MESSAGE_BEGIN ( "SMESHGUI_VTKUtils::OnVisuException(), exception even at showing a message!!!" <<
 269                       std::endl << "Try to remove all visual data..." );
 270       if (theVISU_MemoryReserve) {
 271         delete theVISU_MemoryReserve;
 272         theVISU_MemoryReserve = 0;
 273       }
 274       RemoveAllObjectsWithActors();
 275       SUIT_MessageBox::warning(SMESHGUI::desktop(), QObject::tr("SMESH_WRN_WARNING"),
 276                                QObject::tr("SMESH_VISU_PROBLEM_CLEAR"));
 277       MESSAGE_END ( "...done" );
 278     }
 279   }
 280   //================================================================================
 281   /*!
 282    * \brief Returns an updated visual object
 283    */
 284   //================================================================================
 285
 286   TVisualObjPtr GetVisualObj(int theStudyId, const char* theEntry, bool nulData){
 287     TVisualObjPtr aVisualObj;
 288     TVisualObjCont::key_type aKey(theStudyId,theEntry);
 289     try{
 290 #if (OCC_VERSION_MAJOR << 16 | OCC_VERSION_MINOR << 8 | OCC_VERSION_MAINTENANCE) > 0x060100
 291       OCC_CATCH_SIGNALS;
 292 #endif
 293       TVisualObjCont::iterator anIter = VISUAL_OBJ_CONT.find(aKey);
 294       if(anIter != VISUAL_OBJ_CONT.end()){
 295         aVisualObj = anIter->second;
 296       }else{
 297         SalomeApp_Application* app =
 298           dynamic_cast<SalomeApp_Application*>( SMESHGUI::activeStudy()->application() );
 299         _PTR(Study) aStudy = SMESHGUI::activeStudy()->studyDS();
 300         _PTR(SObject) aSObj = aStudy->FindObjectID(theEntry);
 301         if(aSObj){
 302           _PTR(GenericAttribute) anAttr;
 303           if(aSObj->FindAttribute(anAttr,"AttributeIOR")){
 304             _PTR(AttributeIOR) anIOR = anAttr;
 305             CORBA::String_var aVal = anIOR->Value().c_str();
 306             CORBA::Object_var anObj = app->orb()->string_to_object( aVal.in() );
 307             if(!CORBA::is_nil(anObj)){
 308               //Try narrow to SMESH_Mesh interface
 309               SMESH::SMESH_Mesh_var aMesh = SMESH::SMESH_Mesh::_narrow(anObj);
 310               if(!aMesh->_is_nil()){
 311                 aVisualObj.reset(new SMESH_MeshObj(aMesh));
 312                 TVisualObjCont::value_type aValue(aKey,aVisualObj);
 313                 VISUAL_OBJ_CONT.insert(aValue);
 314               }
 315               //Try narrow to SMESH_Group interface
 316               SMESH::SMESH_GroupBase_var aGroup = SMESH::SMESH_GroupBase::_narrow(anObj);
 317               if(!aGroup->_is_nil()){
 318                 _PTR(SObject) aFatherSObj = aSObj->GetFather();
 319                 if(!aFatherSObj) return aVisualObj;
 320                 aFatherSObj = aFatherSObj->GetFather();
 321                 if(!aFatherSObj) return aVisualObj;
 322                 CORBA::String_var anEntry = aFatherSObj->GetID().c_str();
 323                 TVisualObjPtr aVisObj = GetVisualObj(theStudyId,anEntry.in());
 324                 if(SMESH_MeshObj* aMeshObj = dynamic_cast<SMESH_MeshObj*>(aVisObj.get())){
 325                   aVisualObj.reset(new SMESH_GroupObj(aGroup,aMeshObj));
 326                   TVisualObjCont::value_type aValue(aKey,aVisualObj);
 327                   VISUAL_OBJ_CONT.insert(aValue);
 328                 }
 329               }
 330               //Try narrow to SMESH_subMesh interface
 331               SMESH::SMESH_subMesh_var aSubMesh = SMESH::SMESH_subMesh::_narrow(anObj);
 332               if(!aSubMesh->_is_nil()){
 333                 _PTR(SObject) aFatherSObj = aSObj->GetFather();
 334                 if(!aFatherSObj) return aVisualObj;
 335                 aFatherSObj = aFatherSObj->GetFather();
 336                 if(!aFatherSObj) return aVisualObj;
 337                 CORBA::String_var anEntry = aFatherSObj->GetID().c_str();
 338                 TVisualObjPtr aVisObj = GetVisualObj(theStudyId,anEntry.in());
 339                 if(SMESH_MeshObj* aMeshObj = dynamic_cast<SMESH_MeshObj*>(aVisObj.get())){
 340                   aVisualObj.reset(new SMESH_subMeshObj(aSubMesh,aMeshObj));
 341                   TVisualObjCont::value_type aValue(aKey,aVisualObj);
 342                   VISUAL_OBJ_CONT.insert(aValue);
 343                 }
 344               }
 345             }
 346           }
 347         }
 348       }
 349     }catch(...){
 350       INFOS("GetMeshObj - There is no SMESH_Mesh object for the SALOMEDS::Strudy and Entry!!!");
 351       return TVisualObjPtr();
 352     }
 353     // Update object
 354     bool objModified = false;
 355     if ( aVisualObj ) {
 356       try {
 357 #if (OCC_VERSION_MAJOR << 16 | OCC_VERSION_MINOR << 8 | OCC_VERSION_MAINTENANCE) > 0x060100
 358         OCC_CATCH_SIGNALS;
 359 #endif
 360         //MESSAGE("GetVisualObj");
 361         if (nulData)
 362                 objModified = aVisualObj->NulData();
 363         else
 364           objModified = aVisualObj->Update();
 365       }
 366       catch (...) {
 367 #ifdef _DEBUG_
 368         MESSAGE ( "Exception in SMESHGUI_VTKUtils::GetVisualObj()" );
 369 #endif
 370         RemoveVisualObjectWithActors( theEntry ); // remove this object
 371         OnVisuException();
 372         aVisualObj.reset();
 373       }
 374     }
 375
 376     if ( objModified ) {
 377       // PAL16631. Mesurements showed that to show aVisualObj in SHADING(default) mode,
 378       // ~5 times more memory is used than it occupies.
 379       // Warn the user if there is less free memory than 30 sizes of a grid
 380       // TODO: estimate memory usage in other modes and take current mode into account
 381       int freeMB = SMDS_Mesh::CheckMemory(true);
 382       int usedMB = aVisualObj->GetUnstructuredGrid()->GetActualMemorySize() / 1024;
 383       MESSAGE("SMESHGUI_VTKUtils::GetVisualObj(), freeMB=" << freeMB << ", usedMB=" <<usedMB);
 384       if ( freeMB > 0 && usedMB * 5 > freeMB ) {
 385        bool continu = false;
 386        if ( usedMB * 3 > freeMB )
 387          // even dont try to show
 388          SUIT_MessageBox::warning(SMESHGUI::desktop(), QObject::tr("SMESH_WRN_WARNING"),
 389                                   QObject::tr("SMESH_NO_MESH_VISUALIZATION"));
 390        else
 391          // there is a chance to succeed
 392          continu = SUIT_MessageBox::warning
 393            (SMESHGUI::desktop(),
 394             QObject::tr("SMESH_WRN_WARNING"),
 395             QObject::tr("SMESH_CONTINUE_MESH_VISUALIZATION"),
 396             SUIT_MessageBox::Yes | SUIT_MessageBox::No,
 397             SUIT_MessageBox::Yes ) == SUIT_MessageBox::Yes;
 398        if ( !continu ) {
 399          // remove the corresponding actors from all views
 400          RemoveVisualObjectWithActors( theEntry );
 401          aVisualObj.reset();
 402        }
 403       }
 404     }
 405
 406     return aVisualObj;
 407   }
 408
 409
 410   /*! Return active view window, if it instantiates SVTK_ViewWindow class,
 411    *  overwise find or create corresponding view window, make it active and return it.
 412    *  \note Active VVTK_ViewWindow can be returned, because it inherits SVTK_ViewWindow.
 413    */
 414   SVTK_ViewWindow* GetViewWindow (const SalomeApp_Module* theModule,
 415                                   bool createIfNotFound)
 416   {
 417     SalomeApp_Application* anApp;
 418     if (theModule)
 419       anApp = theModule->getApp();
 420     else
 421       anApp = dynamic_cast<SalomeApp_Application*>
 422         (SUIT_Session::session()->activeApplication());
 423
 424     if (anApp) {
 425       if (SVTK_ViewWindow* aView = dynamic_cast<SVTK_ViewWindow*>(anApp->desktop()->activeWindow()))
 426         return aView;
 427
 428       SUIT_ViewManager* aViewManager =
 429         anApp->getViewManager(SVTK_Viewer::Type(), createIfNotFound);
 430       if (aViewManager) {
 431         if (SUIT_ViewWindow* aViewWindow = aViewManager->getActiveView()) {
 432           if (SVTK_ViewWindow* aView = dynamic_cast<SVTK_ViewWindow*>(aViewWindow)) {
 433             aViewWindow->raise();
 434             aViewWindow->setFocus();
 435             return aView;
 436           }
 437         }
 438       }
 439     }
 440     return NULL;
 441   }
 442
 443   SVTK_ViewWindow* FindVtkViewWindow (SUIT_ViewManager* theMgr,
 444                                       SUIT_ViewWindow * theWindow)
 445   {
 446     if( !theMgr )
 447       return NULL;
 448
 449     QVector<SUIT_ViewWindow*> views = theMgr->getViews();
 450     if( views.contains( theWindow ) )
 451       return GetVtkViewWindow( theWindow );
 452     else
 453       return NULL;
 454   }
 455
 456   SVTK_ViewWindow* GetVtkViewWindow(SUIT_ViewWindow* theWindow){
 457     return dynamic_cast<SVTK_ViewWindow*>(theWindow);
 458   }
 459
 460 /*  SUIT_ViewWindow* GetActiveWindow()
 461   {
 462     SalomeApp_Application* app = dynamic_cast<SalomeApp_Application*>( SUIT_Session::session()->activeApplication() );
 463     if( !app )
 464       return NULL;
 465     SUIT_ViewManager* mgr = app->activeViewManager();
 466     if( mgr )
 467       return mgr->getActiveView();
 468     else
 469       return NULL;
 470   }*/
 471
 472   SVTK_ViewWindow* GetCurrentVtkView(){
 473     return GetVtkViewWindow( GetActiveWindow() );
 474   }
 475
 476
 477   void RepaintCurrentView()
 478   {
 479     if (SVTK_ViewWindow* wnd = GetCurrentVtkView())
 480     {
 481       try {
 482 #if (OCC_VERSION_MAJOR << 16 | OCC_VERSION_MINOR << 8 | OCC_VERSION_MAINTENANCE) > 0x060100
 483         OCC_CATCH_SIGNALS;
 484 #endif
 485         wnd->getRenderer()->Render();
 486         wnd->Repaint(false);
 487       }
 488       catch (...) {
 489 #ifdef _DEBUG_
 490         MESSAGE ( "Exception in SMESHGUI_VTKUtils::RepaintCurrentView()" );
 491 #endif
 492         OnVisuException();
 493       }
 494     }
 495   }
 496
 497   void RepaintViewWindow(SVTK_ViewWindow* theWindow)
 498   {
 499     try {
 500 #if (OCC_VERSION_MAJOR << 16 | OCC_VERSION_MINOR << 8 | OCC_VERSION_MAINTENANCE) > 0x060100
 501       OCC_CATCH_SIGNALS;
 502 #endif
 503       theWindow->getRenderer()->Render();
 504       theWindow->Repaint();
 505     }
 506     catch (...) {
 507 #ifdef _DEBUG_
 508       MESSAGE ( "Exception in SMESHGUI_VTKUtils::RepaintViewWindow(SVTK_ViewWindow*)" );
 509 #endif
 510       OnVisuException();
 511     }
 512   }
 513
 514   void RenderViewWindow(SVTK_ViewWindow* theWindow)
 515   {
 516     try {
 517 #if (OCC_VERSION_MAJOR << 16 | OCC_VERSION_MINOR << 8 | OCC_VERSION_MAINTENANCE) > 0x060100
 518       OCC_CATCH_SIGNALS;
 519 #endif
 520       theWindow->getRenderer()->Render();
 521       theWindow->Repaint();
 522     }
 523     catch (...) {
 524 #ifdef _DEBUG_
 525       MESSAGE ( "Exception in SMESHGUI_VTKUtils::RenderViewWindow(SVTK_ViewWindow*)" );
 526 #endif
 527       OnVisuException();
 528     }
 529   }
 530
 531   void FitAll(){
 532     if(SVTK_ViewWindow* wnd = GetCurrentVtkView() ){
 533       try {
 534 #if (OCC_VERSION_MAJOR << 16 | OCC_VERSION_MINOR << 8 | OCC_VERSION_MAINTENANCE) > 0x060100
 535         OCC_CATCH_SIGNALS;
 536 #endif
 537         wnd->onFitAll();
 538         wnd->Repaint();
 539       }
 540       catch (...) {
 541 #ifdef _DEBUG_
 542         MESSAGE ( "Exception in SMESHGUI_VTKUtils::FitAll()" );
 543 #endif
 544         OnVisuException();
 545       }
 546     }
 547   }
 548
 549
 550   SMESH_Actor* FindActorByEntry(SUIT_ViewWindow *theWindow,
 551                                 const char* theEntry)
 552   {
 553     if(SVTK_ViewWindow* aViewWindow = GetVtkViewWindow(theWindow)){
 554       vtkRenderer *aRenderer = aViewWindow->getRenderer();
 555       VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
 556       vtkActorCollection *aCollection = aCopy.GetActors();
 557       aCollection->InitTraversal();
 558       while(vtkActor *anAct = aCollection->GetNextActor()){
 559         if(SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct)){
 560           if(anActor->hasIO()){
 561             Handle(SALOME_InteractiveObject) anIO = anActor->getIO();
 562             if(anIO->hasEntry() && strcmp(anIO->getEntry(),theEntry) == 0){
 563               return anActor;
 564             }
 565           }
 566         }
 567       }
 568     }
 569     return NULL;
 570   }
 571
 572
 573   SMESH_Actor* FindActorByEntry(const char* theEntry){
 574     return FindActorByEntry(GetActiveWindow(),theEntry);
 575   }
 576
 577
 578   SMESH_Actor* FindActorByObject(CORBA::Object_ptr theObject){
 579     SalomeApp_Application* app = dynamic_cast<SalomeApp_Application*>( SUIT_Session::session()->activeApplication() );
 580     if( !app )
 581       return NULL;
 582
 583     if(!CORBA::is_nil(theObject)){
 584       _PTR(Study) aStudy = GetActiveStudyDocument();
 585       CORBA::String_var anIOR = app->orb()->object_to_string( theObject );
 586       _PTR(SObject) aSObject = aStudy->FindObjectIOR(anIOR.in());
 587       if(aSObject){
 588         CORBA::String_var anEntry = aSObject->GetID().c_str();
 589         return FindActorByEntry(anEntry.in());
 590       }
 591     }
 592     return NULL;
 593   }
 594
 595
 596   SMESH_Actor* CreateActor(_PTR(Study) theStudy,
 597                            const char* theEntry,
 598                            int theIsClear)
 599   {
 600     SMESH_Actor *anActor = NULL;
 601     CORBA::Long anId = theStudy->StudyId();
 602     if(TVisualObjPtr aVisualObj = GetVisualObj(anId,theEntry)){
 603       _PTR(SObject) aSObj = theStudy->FindObjectID(theEntry);
 604       if(aSObj){
 605         _PTR(GenericAttribute) anAttr;
 606         if(aSObj->FindAttribute(anAttr,"AttributeName")){
 607           _PTR(AttributeName) aName = anAttr;
 608           std::string aNameVal = aName->Value();
 609           anActor = SMESH_Actor::New(aVisualObj,theEntry,aNameVal.c_str(),theIsClear);
 610         }
 611
 612         SMESH::SMESH_GroupBase_var aGroup = SMESH::SMESH_GroupBase::_narrow( SMESH::SObjectToObject( aSObj ));
 613         if(!CORBA::is_nil(aGroup) && anActor)
 614         {
 615           QColor c;
 616           int deltaF, deltaV;
 617           SMESH::GetColor( "SMESH", "fill_color", c, deltaF, "0,170,255|-100"  );
 618           SMESH::GetColor( "SMESH", "volume_color", c, deltaV, "255,0,170|-100"  );
 619           c = SMESH::GetColor( "SMESH", "default_grp_color", c );
 620           SALOMEDS::Color aColor = aGroup->GetColor();
 621           if( !( aColor.R > 0 || aColor.G > 0 || aColor.B > 0 ))
 622           {
 623             aColor.R = c.redF();
 624             aColor.G = c.greenF();
 625             aColor.B = c.blueF();
 626             aGroup->SetColor( aColor );
 627           }
 628           if( aGroup->GetType() == SMESH::NODE )
 629             anActor->SetNodeColor( aColor.R, aColor.G, aColor.B );
 630           else if( aGroup->GetType() == SMESH::EDGE )
 631             anActor->SetEdgeColor( aColor.R, aColor.G, aColor.B );
 632           else if( aGroup->GetType() == SMESH::ELEM0D )
 633             anActor->Set0DColor( aColor.R, aColor.G, aColor.B );
 634           else if( aGroup->GetType() == SMESH::BALL )
 635             anActor->SetBallColor( aColor.R, aColor.G, aColor.B );
 636           else if( aGroup->GetType() == SMESH::VOLUME )
 637             anActor->SetVolumeColor( aColor.R, aColor.G, aColor.B, deltaV );
 638           else
 639             anActor->SetSufaceColor( aColor.R, aColor.G, aColor.B, deltaF );
 640         }
 641       }
 642     }
 643     MESSAGE("CreateActor " << anActor);
 644     if( anActor )
 645       if( SMESHGUI* aSMESHGUI = SMESHGUI::GetSMESHGUI() )
 646         aSMESHGUI->addActorAsObserver( anActor );
 647     return anActor;
 648   }
 649
 650
 651   void DisplayActor( SUIT_ViewWindow *theWnd, SMESH_Actor* theActor){
 652     if(SVTK_ViewWindow* vtkWnd = GetVtkViewWindow(theWnd)){
 653       try {
 654 #if (OCC_VERSION_MAJOR << 16 | OCC_VERSION_MINOR << 8 | OCC_VERSION_MAINTENANCE) > 0x060100
 655         OCC_CATCH_SIGNALS;
 656 #endif
 657         MESSAGE("DisplayActor " << theActor);
 658         vtkWnd->AddActor(theActor);
 659         vtkWnd->Repaint();
 660       }
 661       catch (...) {
 662 #ifdef _DEBUG_
 663         MESSAGE ( "Exception in SMESHGUI_VTKUtils::DisplayActor()" );
 664 #endif
 665         OnVisuException();
 666       }
 667     }
 668   }
 669
 670
 671   void RemoveActor( SUIT_ViewWindow *theWnd, SMESH_Actor* theActor){
 672     if(SVTK_ViewWindow* vtkWnd = GetVtkViewWindow(theWnd)){
 673         MESSAGE("RemoveActor " << theActor);
 674       vtkWnd->RemoveActor(theActor);
 675       if(theActor->hasIO()){
 676         Handle(SALOME_InteractiveObject) anIO = theActor->getIO();
 677         if(anIO->hasEntry()){
 678           std::string anEntry = anIO->getEntry();
 679           SalomeApp_Study* aStudy = dynamic_cast<SalomeApp_Study*>( vtkWnd->getViewManager()->study() );
 680           int aStudyId = aStudy->id();
 681           TVisualObjCont::key_type aKey(aStudyId,anEntry);
 682           VISUAL_OBJ_CONT.erase(aKey);
 683         }
 684       }
 685       theActor->Delete();
 686       vtkWnd->Repaint();
 687     }
 688   }
 689
 690   //================================================================================
 691   /*!
 692    * \brief Return true if there are no SMESH actors in a view
 693    */
 694   //================================================================================
 695
 696   bool noSmeshActors(SUIT_ViewWindow *theWnd)
 697   {
 698     if(SVTK_ViewWindow* aViewWindow = GetVtkViewWindow(theWnd)) {
 699       vtkRenderer *aRenderer = aViewWindow->getRenderer();
 700       VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
 701       vtkActorCollection *aCollection = aCopy.GetActors();
 702       aCollection->InitTraversal();
 703       while(vtkActor *anAct = aCollection->GetNextActor())
 704         if(dynamic_cast<SMESH_Actor*>(anAct))
 705           return false;
 706     }
 707     return true;
 708   }
 709
 710   bool UpdateView(SUIT_ViewWindow *theWnd, EDisplaing theAction, const char* theEntry)
 711   {
 712         //MESSAGE("UpdateView");
 713     bool OK = false;
 714     SVTK_ViewWindow* aViewWnd = GetVtkViewWindow(theWnd);
 715     if (!aViewWnd)
 716       return OK;
 717
 718     SVTK_ViewWindow* vtkWnd = GetVtkViewWindow(theWnd);
 719     if (!vtkWnd)
 720       return OK;
 721
 722     SalomeApp_Study* aStudy = dynamic_cast<SalomeApp_Study*>( vtkWnd->getViewManager()->study() );
 723
 724     if (!aStudy)
 725       return OK;
 726
 727     {
 728       OK = true;
 729       vtkRenderer *aRenderer = aViewWnd->getRenderer();
 730       VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
 731       vtkActorCollection *aCollection = aCopy.GetActors();
 732       aCollection->InitTraversal();
 733
 734       switch (theAction) {
 735       case eDisplayAll: {
 736         while (vtkActor *anAct = aCollection->GetNextActor()) {
 737           if (SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct)) {
 738                 MESSAGE("--- display " << anActor);
 739             anActor->SetVisibility(true);
 740
 741             if(anActor->hasIO()){
 742               Handle(SALOME_InteractiveObject) anIO = anActor->getIO();
 743               if(anIO->hasEntry()){
 744                 aStudy->setVisibilityState(anIO->getEntry(), Qtx::ShownState);
 745               }
 746             }
 747           }
 748         }
 749         break;
 750       }
 751       case eDisplayOnly:
 752       case eEraseAll: {
 753         //MESSAGE("---case eDisplayOnly");
 754         while (vtkActor *anAct = aCollection->GetNextActor()) {
 755           if (SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct)) {
 756                 //MESSAGE("--- erase " << anActor);
 757             anActor->SetVisibility(false);
 758           }
 759         }
 760         aStudy->setVisibilityStateForAll(Qtx::HiddenState);
 761       }
 762       default: {
 763         if (SMESH_Actor *anActor = FindActorByEntry(theWnd,theEntry)) {
 764           switch (theAction) {
 765             case eDisplay:
 766             case eDisplayOnly:
 767                 //MESSAGE("--- display " << anActor);
 768               anActor->Update();
 769               anActor->SetVisibility(true);
 770               if (theAction == eDisplayOnly) aRenderer->ResetCameraClippingRange();
 771               aStudy->setVisibilityState(theEntry, Qtx::ShownState);
 772               break;
 773             case eErase:
 774                 //MESSAGE("--- erase " << anActor);
 775               anActor->SetVisibility(false);
 776               aStudy->setVisibilityState(theEntry, Qtx::HiddenState);
 777               break;
 778           }
 779         } else {
 780           switch (theAction) {
 781           case eDisplay:
 782           case eDisplayOnly:
 783             {
 784                 //MESSAGE("---");
 785               SalomeApp_Study* aStudy = dynamic_cast<SalomeApp_Study*>(theWnd->getViewManager()->study());
 786               _PTR(Study) aDocument = aStudy->studyDS();
 787               // Pass non-visual objects (hypotheses, etc.), return true in this case
 788               CORBA::Long anId = aDocument->StudyId();
 789               TVisualObjPtr aVisualObj;
 790               if ( (aVisualObj = GetVisualObj(anId,theEntry)) && aVisualObj->IsValid())
 791               {
 792                 if ((anActor = CreateActor(aDocument,theEntry,true))) {
 793                   bool needFitAll = noSmeshActors(theWnd); // fit for the first object only
 794                   DisplayActor(theWnd,anActor);
 795                   aStudy->setVisibilityState(theEntry, Qtx::ShownState);
 796                   // FitAll(); - PAL16770(Display of a group performs an automatic fit all)
 797                   if (needFitAll) FitAll();
 798                 } else {
 799                   OK = false;
 800                 }
 801               }
 802               break;
 803             }
 804           }
 805         }
 806       }
 807       }
 808     }
 809     return OK;
 810   }
 811
 812
 813   bool UpdateView(EDisplaing theAction, const char* theEntry){
 814         //MESSAGE("UpdateView");
 815     SalomeApp_Study* aStudy = dynamic_cast< SalomeApp_Study* >( GetActiveStudy() );
 816     SalomeApp_Application* app = dynamic_cast< SalomeApp_Application* >( aStudy->application() );
 817     SUIT_ViewWindow *aWnd = app->activeViewManager()->getActiveView();
 818     return UpdateView(aWnd,theAction,theEntry);
 819   }
 820
 821   void UpdateView(){
 822     if(SVTK_ViewWindow* aWnd = SMESH::GetCurrentVtkView()){
 823       LightApp_SelectionMgr* mgr = SMESHGUI::selectionMgr();
 824       SALOME_ListIO selected; mgr->selectedObjects( selected );
 825
 826       if( selected.Extent() == 0){
 827         vtkRenderer* aRenderer = aWnd->getRenderer();
 828         VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
 829         vtkActorCollection *aCollection = aCopy.GetActors();
 830         aCollection->InitTraversal();
 831         while(vtkActor *anAct = aCollection->GetNextActor()){
 832           if(SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct)){
 833             if(anActor->hasIO())
 834               if (!Update(anActor->getIO(),anActor->GetVisibility()))
 835                 break; // avoid multiple warinings if visu failed
 836           }
 837         }
 838       }else{
 839         SALOME_ListIteratorOfListIO anIter( selected );
 840         for( ; anIter.More(); anIter.Next()){
 841           Handle(SALOME_InteractiveObject) anIO = anIter.Value();
 842           if ( !Update(anIO,true) )
 843             break; // avoid multiple warinings if visu failed
 844         }
 845       }
 846       RepaintCurrentView();
 847     }
 848   }
 849
 850
 851   bool Update(const Handle(SALOME_InteractiveObject)& theIO, bool theDisplay)
 852   {
 853         MESSAGE("Update");
 854     _PTR(Study) aStudy = GetActiveStudyDocument();
 855     CORBA::Long anId = aStudy->StudyId();
 856     if ( TVisualObjPtr aVisualObj = SMESH::GetVisualObj(anId,theIO->getEntry())) {
 857       if ( theDisplay )
 858         UpdateView(SMESH::eDisplay,theIO->getEntry());
 859       return true;
 860     }
 861     return false;
 862   }
 863
 864   bool UpdateNulData(const Handle(SALOME_InteractiveObject)& theIO, bool theDisplay)
 865   {
 866         MESSAGE("UpdateNulData");
 867     _PTR(Study) aStudy = GetActiveStudyDocument();
 868     CORBA::Long anId = aStudy->StudyId();
 869     if ( TVisualObjPtr aVisualObj = SMESH::GetVisualObj(anId,theIO->getEntry(), true)) {
 870       if ( theDisplay )
 871         UpdateView(SMESH::eDisplay,theIO->getEntry());
 872       return true;
 873     }
 874     return false;
 875   }
 876
 877   void UpdateSelectionProp( SMESHGUI* theModule ) {
 878     if( !theModule )
 879       return;
 880
 881     SalomeApp_Application* app = dynamic_cast< SalomeApp_Application* >( theModule->application() );
 882     if( !app )
 883     {
 884       MESSAGE( "UpdateSelectionProp: Application is null" );
 885       return;
 886     }
 887
 888     SUIT_ViewManager* vm = app->activeViewManager();
 889     if( !vm )
 890     {
 891       MESSAGE( "UpdateSelectionProp: View manager is null" );
 892       return;
 893     }
 894
 895     QVector<SUIT_ViewWindow*> views = vm->getViews();
 896
 897     SUIT_ResourceMgr* mgr = SMESH::GetResourceMgr( theModule );
 898     if( !mgr )
 899     {
 900       MESSAGE( "UpdateSelectionProp: Resource manager is null" );
 901       return;
 902     }
 903
 904     QColor aHiColor = mgr->colorValue( "SMESH", "selection_object_color", Qt::white ),
 905            aSelColor = mgr->colorValue( "SMESH", "selection_element_color", Qt::yellow ),
 906            aPreColor = mgr->colorValue( "SMESH", "highlight_color", Qt::cyan );
 907
 908     int aElem0DSize = mgr->integerValue("SMESH", "elem0d_size", 5);
 909     int aBallSize   = mgr->integerValue("SMESH", "ball_elem_size", 5);
 910     int aLineWidth  = mgr->integerValue("SMESH", "element_width", 1);
 911     int maxSize = aElem0DSize;
 912     if (aElem0DSize > maxSize) maxSize = aElem0DSize;
 913     if (aLineWidth > maxSize) maxSize = aLineWidth;
 914     if (aBallSize > maxSize) maxSize = aBallSize;
 915
 916     double SP1 = mgr->doubleValue( "SMESH", "selection_precision_node", 0.025 ),
 917            SP2 = mgr->doubleValue( "SMESH", "selection_precision_element", 0.001 ),
 918            SP3 = mgr->doubleValue( "SMESH", "selection_precision_object", 0.025 );
 919
 920     for ( int i=0, n=views.count(); i<n; i++ ){
 921       // update VTK viewer properties
 922       if(SVTK_ViewWindow* aVtkView = GetVtkViewWindow( views[i] )){
 923         // mesh element selection
 924         aVtkView->SetSelectionProp(aSelColor.red()/255.,
 925                                    aSelColor.green()/255.,
 926                                    aSelColor.blue()/255.);
 927         // tolerances
 928         aVtkView->SetSelectionTolerance(SP1, SP2, SP3);
 929
 930         // pre-selection
 931         aVtkView->SetPreselectionProp(aPreColor.red()/255.,
 932                                       aPreColor.green()/255.,
 933                                       aPreColor.blue()/255.);
 934         // update actors
 935         vtkRenderer* aRenderer = aVtkView->getRenderer();
 936         VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
 937         vtkActorCollection *aCollection = aCopy.GetActors();
 938         aCollection->InitTraversal();
 939         while(vtkActor *anAct = aCollection->GetNextActor()){
 940           if(SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct)){
 941             anActor->SetHighlightColor(aHiColor.red()/255.,
 942                                        aHiColor.green()/255.,
 943                                        aHiColor.blue()/255.);
 944             anActor->SetPreHighlightColor(aPreColor.red()/255.,
 945                                           aPreColor.green()/255.,
 946                                           aPreColor.blue()/255.);
 947           }
 948         }
 949       }
 950     }
 951   }
 952
 953
 954   void UpdateFontProp( SMESHGUI* theModule )
 955   {
 956     if ( !theModule ) return;
 957
 958     SalomeApp_Application* app = dynamic_cast< SalomeApp_Application* >( theModule->application() );
 959     if ( !app ) return;
 960
 961     SUIT_ResourceMgr* mgr = SMESH::GetResourceMgr( theModule );
 962     if ( !mgr ) return;
 963     //
 964     double anRGBNd[3] = {1,1,1};
 965     SMESH::GetColor( "SMESH", "numbering_node_color", anRGBNd[0], anRGBNd[1], anRGBNd[2], QColor( 255, 255, 255 ) );
 966     int aSizeNd = 10;
 967     SMESH::LabelFont aFamilyNd = SMESH::FntTimes;
 968     bool aBoldNd    = true;
 969     bool anItalicNd = false;
 970     bool aShadowNd  = false;
 971
 972     if ( mgr->hasValue( "SMESH", "numbering_node_font" ) ) {
 973       QFont f = mgr->fontValue( "SMESH", "numbering_node_font" );
 974       if ( f.family()      == "Arial" )   aFamilyNd = SMESH::FntArial;
 975       else if ( f.family() == "Courier" ) aFamilyNd = SMESH::FntCourier;
 976       else if ( f.family() == "Times" )   aFamilyNd = SMESH::FntTimes;
 977       aBoldNd    = f.bold();
 978       anItalicNd = f.italic();
 979       aShadowNd  = f.overline();
 980       aSizeNd    = f.pointSize();
 981     }
 982     //
 983     double anRGBEl[3] = {0,1,0};
 984     SMESH::GetColor( "SMESH", "numbering_elem_color", anRGBEl[0], anRGBEl[1], anRGBEl[2], QColor( 0, 255, 0 ) );
 985     int aSizeEl = 12;
 986     SMESH::LabelFont aFamilyEl = SMESH::FntTimes;
 987     bool aBoldEl    = true;
 988     bool anItalicEl = false;
 989     bool aShadowEl  = false;
 990
 991     if ( mgr->hasValue( "SMESH", "numbering_elem_font" ) ) {
 992       QFont f = mgr->fontValue( "SMESH", "numbering_elem_font" );
 993
 994       if ( f.family()      == "Arial" )   aFamilyEl = SMESH::FntArial;
 995       else if ( f.family() == "Courier" ) aFamilyEl = SMESH::FntCourier;
 996       else if ( f.family() == "Times" )   aFamilyEl = SMESH::FntTimes;
 997       aBoldEl    = f.bold();
 998       anItalicEl = f.italic();
 999       aShadowEl  = f.overline();
1000       aSizeEl    = f.pointSize();
1001     }
1002     //
1003     ViewManagerList vmList;
1004     app->viewManagers( SVTK_Viewer::Type(), vmList );
1005     foreach ( SUIT_ViewManager* vm, vmList ) {
1006       QVector<SUIT_ViewWindow*> views = vm->getViews();
1007       foreach ( SUIT_ViewWindow* vw, views ) {
1008         // update VTK viewer properties
1009         if ( SVTK_ViewWindow* aVtkView = GetVtkViewWindow( vw ) ) {
1010           // update actors
1011           vtkRenderer* aRenderer = aVtkView->getRenderer();
1012           VTK::ActorCollectionCopy aCopy( aRenderer->GetActors() );
1013           vtkActorCollection* aCollection = aCopy.GetActors();
1014           aCollection->InitTraversal();
1015           while ( vtkActor* anAct = aCollection->GetNextActor() ) {
1016             if ( SMESH_NodeLabelActor* anActor = dynamic_cast< SMESH_NodeLabelActor* >( anAct ) ) {
1017               anActor->SetFontProperties( aFamilyNd, aSizeNd, aBoldNd, anItalicNd, aShadowNd, anRGBNd[0], anRGBNd[1], anRGBNd[2] );
1018             }
1019             else if ( SMESH_CellLabelActor* anActor = dynamic_cast< SMESH_CellLabelActor* >( anAct ) ) {
1020               anActor->SetFontProperties( aFamilyEl, aSizeEl, aBoldEl, anItalicEl, aShadowEl, anRGBEl[0], anRGBEl[1], anRGBEl[2] );
1021             }
1022           }
1023           aVtkView->Repaint( false );
1024         }
1025       }
1026     }
1027   }
1028
1029   //----------------------------------------------------------------------------
1030   SVTK_Selector*
1031   GetSelector(SUIT_ViewWindow *theWindow)
1032   {
1033     if(SVTK_ViewWindow* aWnd = GetVtkViewWindow(theWindow))
1034       return aWnd->GetSelector();
1035
1036     return NULL;
1037   }
1038
1039   void SetFilter(const Handle(VTKViewer_Filter)& theFilter,
1040                  SVTK_Selector* theSelector)
1041   {
1042     if (theSelector)
1043       theSelector->SetFilter(theFilter);
1044   }
1045
1046   Handle(VTKViewer_Filter) GetFilter(int theId, SVTK_Selector* theSelector)
1047   {
1048     return theSelector->GetFilter(theId);
1049   }
1050
1051   bool IsFilterPresent(int theId, SVTK_Selector* theSelector)
1052   {
1053     return theSelector->IsFilterPresent(theId);
1054   }
1055
1056   void RemoveFilter(int theId, SVTK_Selector* theSelector)
1057   {
1058     theSelector->RemoveFilter(theId);
1059   }
1060
1061   void RemoveFilters(SVTK_Selector* theSelector)
1062   {
1063     for ( int id = SMESH::NodeFilter; theSelector && id < SMESH::LastFilter; id++ )
1064       theSelector->RemoveFilter( id );
1065   }
1066
1067   bool IsValid(SALOME_Actor* theActor, int theCellId,
1068                SVTK_Selector* theSelector)
1069   {
1070     return theSelector->IsValid(theActor,theCellId);
1071   }
1072
1073
1074   //----------------------------------------------------------------------------
1075   void SetPointRepresentation(bool theIsVisible){
1076     if(SVTK_ViewWindow* aViewWindow = GetCurrentVtkView()){
1077       vtkRenderer *aRenderer = aViewWindow->getRenderer();
1078       VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
1079       vtkActorCollection *aCollection = aCopy.GetActors();
1080       aCollection->InitTraversal();
1081       while(vtkActor *anAct = aCollection->GetNextActor()){
1082         if(SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct)){
1083           if(anActor->GetVisibility()){
1084             anActor->SetPointRepresentation(theIsVisible);
1085           }
1086         }
1087       }
1088       RepaintCurrentView();
1089     }
1090   }
1091
1092
1093   void SetPickable(SMESH_Actor* theActor){
1094     if(SVTK_ViewWindow* aWnd = GetCurrentVtkView()){
1095       int anIsAllPickable = (theActor == NULL);
1096       vtkRenderer *aRenderer = aWnd->getRenderer();
1097       VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
1098       vtkActorCollection *aCollection = aCopy.GetActors();
1099       aCollection->InitTraversal();
1100       while(vtkActor *anAct = aCollection->GetNextActor()){
1101         if(SALOME_Actor *anActor = dynamic_cast<SALOME_Actor*>(anAct)){
1102           if(anActor->GetVisibility()){
1103             anActor->SetPickable(anIsAllPickable);
1104           }
1105         }
1106       }
1107       if(theActor)
1108         theActor->SetPickable(!anIsAllPickable);
1109       RepaintCurrentView();
1110     }
1111   }
1112
1113
1114   //----------------------------------------------------------------------------
1115   int GetNameOfSelectedNodes(SVTK_Selector* theSelector,
1116                              const Handle(SALOME_InteractiveObject)& theIO,
1117                              QString& theName)
1118   {
1119     theName = "";
1120     TColStd_IndexedMapOfInteger aMapIndex;
1121     theSelector->GetIndex(theIO,aMapIndex);
1122
1123     for(int i = 1; i <= aMapIndex.Extent(); i++)
1124       theName += QString(" %1").arg(aMapIndex(i));
1125
1126     return aMapIndex.Extent();
1127   }
1128
1129   int GetNameOfSelectedElements(SVTK_Selector* theSelector,
1130                                 const Handle(SALOME_InteractiveObject)& theIO,
1131                                 QString& theName)
1132   {
1133     theName = "";
1134     TColStd_IndexedMapOfInteger aMapIndex;
1135     theSelector->GetIndex(theIO,aMapIndex);
1136
1137     typedef std::set<int> TIdContainer;
1138     TIdContainer anIdContainer;
1139     for( int i = 1; i <= aMapIndex.Extent(); i++)
1140       anIdContainer.insert(aMapIndex(i));
1141
1142     TIdContainer::const_iterator anIter = anIdContainer.begin();
1143     for( ; anIter != anIdContainer.end(); anIter++)
1144       theName += QString(" %1").arg(*anIter);
1145
1146     return aMapIndex.Extent();
1147   }
1148
1149
1150   int GetEdgeNodes(SVTK_Selector* theSelector,
1151                    const TVisualObjPtr& theVisualObject,
1152                    int& theId1,
1153                    int& theId2)
1154   {
1155     const SALOME_ListIO& selected = theSelector->StoredIObjects();
1156
1157     if ( selected.Extent() != 1 )
1158       return -1;
1159
1160     Handle(SALOME_InteractiveObject) anIO = selected.First();
1161     if ( anIO.IsNull() || !anIO->hasEntry() )
1162       return -1;
1163
1164     TColStd_IndexedMapOfInteger aMapIndex;
1165     theSelector->GetIndex( anIO, aMapIndex );
1166     if ( aMapIndex.Extent() != 2 )
1167       return -1;
1168
1169     int anObjId = -1, anEdgeNum = -1;
1170     for ( int i = 1; i <= aMapIndex.Extent(); i++ ) {
1171       int aVal = aMapIndex( i );
1172       if ( aVal > 0 )
1173         anObjId = aVal;
1174       else
1175         anEdgeNum = abs( aVal ) - 1;
1176     }
1177
1178     if ( anObjId == -1 || anEdgeNum == -1 )
1179       return -1;
1180
1181     return theVisualObject->GetEdgeNodes( anObjId, anEdgeNum, theId1, theId2 ) ? 1 : -1;
1182   }
1183
1184   //----------------------------------------------------------------------------
1185   int GetNameOfSelectedNodes(LightApp_SelectionMgr *theMgr,
1186                              const Handle(SALOME_InteractiveObject)& theIO,
1187                              QString& theName)
1188   {
1189     theName = "";
1190     if(theIO->hasEntry()){
1191       if(FindActorByEntry(theIO->getEntry())){
1192         TColStd_IndexedMapOfInteger aMapIndex;
1193         theMgr->GetIndexes(theIO,aMapIndex);
1194         for(int i = 1; i <= aMapIndex.Extent(); i++){
1195           theName += QString(" %1").arg(aMapIndex(i));
1196         }
1197         return aMapIndex.Extent();
1198       }
1199     }
1200     return -1;
1201   }
1202
1203   int GetNameOfSelectedNodes(LightApp_SelectionMgr *theMgr, QString& theName){
1204     theName = "";
1205     SALOME_ListIO selected; theMgr->selectedObjects( selected );
1206     if(selected.Extent() == 1){
1207       Handle(SALOME_InteractiveObject) anIO = selected.First();
1208       return GetNameOfSelectedNodes(theMgr,anIO,theName);
1209     }
1210     return -1;
1211   }
1212
1213
1214   int GetNameOfSelectedElements(LightApp_SelectionMgr *theMgr,
1215                                 const Handle(SALOME_InteractiveObject)& theIO,
1216                                 QString& theName)
1217   {
1218     theName = "";
1219     if(theIO->hasEntry()){
1220       if(FindActorByEntry(theIO->getEntry())){
1221         TColStd_IndexedMapOfInteger aMapIndex;
1222         theMgr->GetIndexes(theIO,aMapIndex);
1223         typedef std::set<int> TIdContainer;
1224         TIdContainer anIdContainer;
1225         for( int i = 1; i <= aMapIndex.Extent(); i++)
1226           anIdContainer.insert(aMapIndex(i));
1227         TIdContainer::const_iterator anIter = anIdContainer.begin();
1228         for( ; anIter != anIdContainer.end(); anIter++){
1229           theName += QString(" %1").arg(*anIter);
1230         }
1231         return aMapIndex.Extent();
1232       }
1233     }
1234     return -1;
1235   }
1236
1237
1238   int GetNameOfSelectedElements(LightApp_SelectionMgr *theMgr, QString& theName)
1239   {
1240     theName = "";
1241     SALOME_ListIO selected; theMgr->selectedObjects( selected );
1242
1243     if( selected.Extent() == 1){
1244       Handle(SALOME_InteractiveObject) anIO = selected.First();
1245       return GetNameOfSelectedElements(theMgr,anIO,theName);
1246     }
1247     return -1;
1248   }
1249
1250   int GetSelected(LightApp_SelectionMgr*       theMgr,
1251                   TColStd_IndexedMapOfInteger& theMap,
1252                   const bool                   theIsElement)
1253   {
1254     theMap.Clear();
1255     SALOME_ListIO selected; theMgr->selectedObjects( selected );
1256
1257     if ( selected.Extent() == 1 )
1258     {
1259       Handle(SALOME_InteractiveObject) anIO = selected.First();
1260       if ( anIO->hasEntry() ) {
1261         theMgr->GetIndexes( anIO, theMap );
1262       }
1263     }
1264     return theMap.Extent();
1265   }
1266
1267
1268   int GetEdgeNodes( LightApp_SelectionMgr* theMgr, int& theId1, int& theId2 )
1269   {
1270     SALOME_ListIO selected; theMgr->selectedObjects( selected );
1271
1272     if ( selected.Extent() != 1 )
1273       return -1;
1274
1275     Handle(SALOME_InteractiveObject) anIO = selected.First();
1276     if ( anIO.IsNull() || !anIO->hasEntry() )
1277       return -1;
1278
1279     SMESH_Actor *anActor = SMESH::FindActorByEntry( anIO->getEntry() );
1280     if ( anActor == 0 )
1281       return -1;
1282
1283     TColStd_IndexedMapOfInteger aMapIndex;
1284     theMgr->GetIndexes( anIO, aMapIndex );
1285     if ( aMapIndex.Extent() != 2 )
1286       return -1;
1287
1288     int anObjId = -1, anEdgeNum = -1;
1289     for ( int i = 1; i <= aMapIndex.Extent(); i++ ) {
1290       int aVal = aMapIndex( i );
1291       if ( aVal > 0 )
1292         anObjId = aVal;
1293       else
1294         anEdgeNum = abs( aVal );
1295     }
1296
1297     if ( anObjId == -1 || anEdgeNum == -1 )
1298       return -1;
1299
1300     return anActor->GetObject()->GetEdgeNodes( anObjId, anEdgeNum, theId1, theId2 ) ? 1 : -1;
1301   }
1302
1303   void SetControlsPrecision( const long theVal )
1304   {
1305     if( SVTK_ViewWindow* aWnd = SMESH::GetCurrentVtkView() )
1306     {
1307       vtkRenderer *aRenderer = aWnd->getRenderer();
1308       VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
1309       vtkActorCollection *aCollection = aCopy.GetActors();
1310       aCollection->InitTraversal();
1311
1312       while ( vtkActor *anAct = aCollection->GetNextActor())
1313       {
1314         if ( SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>( anAct ) )
1315         {
1316           anActor->SetControlsPrecision( theVal );
1317           anActor->SetControlMode( anActor->GetControlMode() );
1318         }
1319       }
1320
1321     }
1322   }
1323
1324   //----------------------------------------------------------------------------
1325   // internal function
1326   void ComputeBoundsParam( double theBounds[6],
1327                            double theDirection[3],
1328                            double theMinPnt[3],
1329                            double& theMaxBoundPrj,
1330                            double& theMinBoundPrj )
1331   {
1332     //Enlarge bounds in order to avoid conflicts of precision
1333     for(int i = 0; i < 6; i += 2){
1334       static double EPS = 1.0E-3;
1335       double aDelta = (theBounds[i+1] - theBounds[i])*EPS;
1336       theBounds[i] -= aDelta;
1337       theBounds[i+1] += aDelta;
1338     }
1339
1340     double aBoundPoints[8][3] = { {theBounds[0],theBounds[2],theBounds[4]},
1341                                                 {theBounds[1],theBounds[2],theBounds[4]},
1342                                                 {theBounds[0],theBounds[3],theBounds[4]},
1343                                                 {theBounds[1],theBounds[3],theBounds[4]},
1344                                                 {theBounds[0],theBounds[2],theBounds[5]},
1345                                                 {theBounds[1],theBounds[2],theBounds[5]},
1346                                                 {theBounds[0],theBounds[3],theBounds[5]},
1347                                                 {theBounds[1],theBounds[3],theBounds[5]}};
1348
1349     int aMaxId = 0;
1350     theMaxBoundPrj = vtkMath::Dot(theDirection,aBoundPoints[aMaxId]);
1351     theMinBoundPrj = theMaxBoundPrj;
1352     for(int i = 1; i < 8; i++){
1353       double aTmp = vtkMath::Dot(theDirection,aBoundPoints[i]);
1354       if(theMaxBoundPrj < aTmp){
1355         theMaxBoundPrj = aTmp;
1356         aMaxId = i;
1357       }
1358       if(theMinBoundPrj > aTmp){
1359         theMinBoundPrj = aTmp;
1360       }
1361     }
1362     double *aMinPnt = aBoundPoints[aMaxId];
1363     theMinPnt[0] = aMinPnt[0];
1364     theMinPnt[1] = aMinPnt[1];
1365     theMinPnt[2] = aMinPnt[2];
1366   }
1367
1368   // internal function
1369   void DistanceToPosition( double theBounds[6],
1370                            double theDirection[3],
1371                            double theDist,
1372                            double thePos[3] )
1373   {
1374     double aMaxBoundPrj, aMinBoundPrj, aMinPnt[3];
1375     ComputeBoundsParam(theBounds,theDirection,aMinPnt,aMaxBoundPrj,aMinBoundPrj);
1376     double aLength = (aMaxBoundPrj-aMinBoundPrj)*theDist;
1377     thePos[0] = aMinPnt[0]-theDirection[0]*aLength;
1378     thePos[1] = aMinPnt[1]-theDirection[1]*aLength;
1379     thePos[2] = aMinPnt[2]-theDirection[2]*aLength;
1380   }
1381
1382   // internal function (currently unused, left just in case)
1383   void PositionToDistance( double theBounds[6],
1384                            double theDirection[3],
1385                            double thePos[3],
1386                            double& theDist )
1387   {
1388     double aMaxBoundPrj, aMinBoundPrj, aMinPnt[3];
1389     ComputeBoundsParam(theBounds,theDirection,aMinPnt,aMaxBoundPrj,aMinBoundPrj);
1390     double aPrj = vtkMath::Dot(theDirection,thePos);
1391     theDist = (aPrj-aMinBoundPrj)/(aMaxBoundPrj-aMinBoundPrj);
1392   }
1393
1394   bool ComputeClippingPlaneParameters( std::list<vtkActor*> theActorList,
1395                                        double theNormal[3],
1396                                        double theDist,
1397                                        double theBounds[6],
1398                                        double theOrigin[3] )
1399   {
1400     bool anIsOk = false;
1401     anIsOk = ComputeBounds( theActorList, theBounds );
1402
1403
1404     if( !anIsOk )
1405       return false;
1406
1407     DistanceToPosition( theBounds, theNormal, theDist, theOrigin );
1408     return true;
1409   }
1410
1411   bool ComputeBounds( std::list<vtkActor*> theActorList,
1412                       double theBounds[6])
1413   {
1414     bool anIsOk = false;
1415     theBounds[0] = theBounds[2] = theBounds[4] = VTK_DOUBLE_MAX;
1416     theBounds[1] = theBounds[3] = theBounds[5] = -VTK_DOUBLE_MAX;
1417     std::list<vtkActor*>::iterator anIter = theActorList.begin();
1418     for( ; anIter != theActorList.end(); anIter++ ) {
1419       if( vtkActor* aVTKActor = *anIter ) {
1420         if( SMESH_Actor* anActor = SMESH_Actor::SafeDownCast( aVTKActor ) ) {
1421           double aBounds[6];
1422           anActor->GetUnstructuredGrid()->GetBounds( aBounds );
1423           theBounds[0] = std::min( theBounds[0], aBounds[0] );
1424           theBounds[1] = std::max( theBounds[1], aBounds[1] );
1425           theBounds[2] = std::min( theBounds[2], aBounds[2] );
1426           theBounds[3] = std::max( theBounds[3], aBounds[3] );
1427           theBounds[4] = std::min( theBounds[4], aBounds[4] );
1428           theBounds[5] = std::max( theBounds[5], aBounds[5] );
1429           anIsOk = true;
1430         }
1431       }
1432     }
1433     return anIsOk;
1434   }
1435
1436 #ifndef DISABLE_PLOT2DVIEWER
1437   //================================================================================
1438   /*!
1439    * \brief Find all SMESH_Actor's in the View Window.
1440    * If actor constains Plot2d_Histogram object remove it from each Plot2d Viewer.
1441    */
1442   //================================================================================
1443
1444   void ClearPlot2Viewers( SUIT_ViewWindow* theWindow ) {
1445     if(SVTK_ViewWindow* aViewWindow = GetVtkViewWindow(theWindow)){
1446       vtkRenderer *aRenderer = aViewWindow->getRenderer();
1447       VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
1448       vtkActorCollection *aCollection = aCopy.GetActors();
1449       aCollection->InitTraversal();
1450       while(vtkActor *anAct = aCollection->GetNextActor()){
1451         if(SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct)){
1452           if(anActor->hasIO() && anActor->GetPlot2Histogram() ){
1453             ProcessIn2DViewers(anActor,RemoveFrom2dViewer);
1454           }
1455         }
1456       }
1457     }
1458   }
1459
1460 #endif
1461
1462 } // end of namespace SMESH