src/SMESHGUI/SMESHGUI_VTKUtils.cxx

   1 // Copyright (C) 2007-2020  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, or (at your option) any later version.
  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_Filter.h"
  32 #include "SMESHGUI_Utils.h"
  33 #include "SMDS_Mesh.hxx"
  34 #include "SMESH_Actor.h"
  35 #include "SMESH_ActorProps.h"
  36 #include "SMESH_ActorUtils.h"
  37 #include "SMESH_CellLabelActor.h"
  38 #include "SMESH_ControlsDef.hxx"
  39 #include "SMESH_NodeLabelActor.h"
  40 #include "SMESH_ObjectDef.h"
  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
  51 #include <SVTK_Selector.h>
  52 #include <SVTK_ViewModel.h>
  53 #include <SVTK_ViewWindow.h>
  54
  55 #include <VTKViewer_Algorithm.h>
  56
  57 #include <LightApp_SelectionMgr.h>
  58 #include <SalomeApp_Application.h>
  59 #include <SalomeApp_Study.h>
  60
  61 // SALOME KERNEL includes
  62 #include <utilities.h>
  63
  64 // IDL includes
  65 #include <SALOMEconfig.h>
  66 #include CORBA_CLIENT_HEADER(SMESH_Mesh)
  67 #include CORBA_CLIENT_HEADER(SMESH_Group)
  68
  69 // VTK includes
  70 #include <vtkMath.h>
  71 #include <vtkRenderer.h>
  72 #include <vtkActorCollection.h>
  73 #include <vtkUnstructuredGrid.h>
  74
  75 // OCCT includes
  76 #include <Standard_ErrorHandler.hxx>
  77
  78 namespace SMESH
  79 {
  80   typedef std::map<std::string,TVisualObjPtr> TVisualObjCont;
  81   static TVisualObjCont VISUAL_OBJ_CONT;
  82
  83   //=============================================================================
  84   /*!
  85    * \brief Allocate some memory at construction and release it at destruction.
  86    * Is used to be able to continue working after mesh generation or visualization
  87    * break due to lack of memory
  88    */
  89   //=============================================================================
  90
  91   struct MemoryReserve
  92   {
  93     char* myBuf;
  94     MemoryReserve(): myBuf( new char[1024*1024*1] ){} // 1M
  95     void Free() { if (myBuf) { delete [] myBuf; myBuf = 0; }}
  96     ~MemoryReserve() { Free(); }
  97   };
  98   static MemoryReserve* theVISU_MemoryReserve = new MemoryReserve;
  99
 100   //================================================================================
 101   /*!
 102    * \brief Remove VisualObj and its actor from all views
 103    */
 104   //================================================================================
 105
 106   void RemoveVisualObjectWithActors( const char* theEntry, bool fromAllViews )
 107   {
 108     SalomeApp_Application* app = dynamic_cast<SalomeApp_Application*>(SUIT_Session::session()->activeApplication());
 109     if(!app)
 110       return;
 111     SalomeApp_Study* aStudy  = dynamic_cast<SalomeApp_Study*>(app->activeStudy());
 112     if(!aStudy)
 113       return;
 114     ViewManagerList aList;
 115
 116     if(fromAllViews) {
 117       app->viewManagers(SVTK_Viewer::Type() , aList);
 118     } else {
 119       SUIT_ViewManager* aVM = app->getViewManager(SVTK_Viewer::Type(), true);
 120       if(aVM)
 121         aList.append(aVM);
 122     }
 123     bool actorRemoved = false;
 124     ViewManagerList::ConstIterator it = aList.begin();
 125     SUIT_ViewManager* aViewManager = 0;
 126     for( ; it!=aList.end();it++) {
 127       aViewManager = *it;
 128       QVector<SUIT_ViewWindow*> views = aViewManager->getViews();
 129       for ( int iV = 0; iV < views.count(); ++iV ) {
 130         if ( SMESH_Actor* actor = FindActorByEntry( views[iV], theEntry)) {
 131           if(SVTK_ViewWindow* vtkWnd = GetVtkViewWindow(views[iV])) {
 132             vtkWnd->RemoveActor(actor);
 133             actorRemoved = true;
 134           }
 135           actor->Delete();
 136         }
 137       }
 138     }
 139
 140     TVisualObjCont::iterator anIter = VISUAL_OBJ_CONT.find(theEntry);
 141     if(anIter != VISUAL_OBJ_CONT.end()) {
 142       // for unknown reason, object destructor is not called, so clear object manually
 143       anIter->second->GetUnstructuredGrid()->SetCells(0,0,0,0,0);
 144       anIter->second->GetUnstructuredGrid()->SetPoints(0);
 145     }
 146     VISUAL_OBJ_CONT.erase(theEntry);
 147
 148     if(actorRemoved)
 149       aStudy->setVisibilityState(theEntry, Qtx::HiddenState);
 150   }
 151   //================================================================================
 152   /*!
 153    * \brief Remove all VisualObjs and their actors from all views
 154    */
 155   //================================================================================
 156
 157   void RemoveAllObjectsWithActors()
 158   {
 159     SalomeApp_Application* app = dynamic_cast<SalomeApp_Application*>
 160       ( SUIT_Session::session()->activeApplication() );
 161     if (!app) return;
 162     ViewManagerList viewMgrs = app->viewManagers();
 163     for ( int iM = 0; iM < viewMgrs.count(); ++iM ) {
 164       SUIT_ViewManager* aViewManager = viewMgrs.at( iM );
 165       if ( aViewManager && aViewManager->getType() == SVTK_Viewer::Type()) {
 166         QVector<SUIT_ViewWindow*> views = aViewManager->getViews();
 167         for ( int iV = 0; iV < views.count(); ++iV ) {
 168           if(SVTK_ViewWindow* vtkWnd = GetVtkViewWindow(views[iV])) {
 169             vtkRenderer *aRenderer = vtkWnd->getRenderer();
 170             VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
 171             vtkActorCollection *actors = aCopy.GetActors();
 172             for (int i = 0; i < actors->GetNumberOfItems(); ++i ) {
 173               // size of actors changes inside the loop
 174               if (SMESH_Actor *actor = dynamic_cast<SMESH_Actor*>(actors->GetItemAsObject(i)))
 175               {
 176                 vtkWnd->RemoveActor(actor);
 177                 actor->Delete();
 178               }
 179             }
 180           }
 181         }
 182       }
 183     }
 184     TVisualObjCont::iterator anIter = VISUAL_OBJ_CONT.begin();
 185     for ( ; anIter != VISUAL_OBJ_CONT.end(); ++anIter ) {
 186       // for unknown reason, object destructor is not called, so clear object manually
 187       anIter->second->GetUnstructuredGrid()->SetCells(0,0,0,0,0);
 188       anIter->second->GetUnstructuredGrid()->SetPoints(0);
 189     }
 190     VISUAL_OBJ_CONT.clear();
 191   }
 192
 193   //================================================================================
 194   /*!
 195    * \brief Remove all VisualObjs of a study
 196    */
 197   //================================================================================
 198
 199   void RemoveVisuData()
 200   {
 201     SalomeApp_Application* app = dynamic_cast<SalomeApp_Application*>
 202       ( SUIT_Session::session()->activeApplication() );
 203     if (!app) return;
 204     ViewManagerList viewMgrs = app->viewManagers();
 205     for ( int iM = 0; iM < viewMgrs.count(); ++iM ) {
 206       SUIT_ViewManager* aViewManager = viewMgrs.at( iM );
 207       if ( aViewManager && aViewManager->getType() == SVTK_Viewer::Type() ) {
 208         QVector<SUIT_ViewWindow*> views = aViewManager->getViews();
 209         for ( int iV = 0; iV < views.count(); ++iV ) {
 210           if(SVTK_ViewWindow* vtkWnd = GetVtkViewWindow(views[iV])) {
 211             vtkRenderer *aRenderer = vtkWnd->getRenderer();
 212             VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
 213             vtkActorCollection *actors = aCopy.GetActors();
 214             for (int i = 0; i < actors->GetNumberOfItems(); ++i ) {
 215               // size of actors changes inside the loop
 216               if(SMESH_Actor *actor = dynamic_cast<SMESH_Actor*>(actors->GetItemAsObject(i)))
 217               {
 218                 vtkWnd->RemoveActor(actor);
 219                 actor->Delete();
 220               }
 221             }
 222           }
 223         }
 224       }
 225     }
 226     TVisualObjCont::iterator anIter = VISUAL_OBJ_CONT.begin();
 227     for ( ; anIter != VISUAL_OBJ_CONT.end(); ) {
 228       // for unknown reason, object destructor is not called, so clear object manually
 229       anIter->second->GetUnstructuredGrid()->SetCells(0,0,0,0,0);
 230       anIter->second->GetUnstructuredGrid()->SetPoints(0);
 231       VISUAL_OBJ_CONT.erase( anIter++ ); // anIter++ returns a copy of self before incrementing
 232     }
 233   }
 234
 235   //================================================================================
 236   /*!
 237    * \brief Remove/update actors while module activation
 238    *  \param [in] wnd - window
 239    *
 240    * At module activation, groups and sub-meshes can be removed on engine side due
 241    * to modification of meshed geometry, while their actors can remain.
 242    * Here we remove/update SMESH_Actor's of changed objects. State (emptiness) of objects
 243    * is defined by their icons in the Object Browser
 244    */
 245   //================================================================================
 246
 247   void UpdateActorsAfterUpdateStudy( SUIT_ViewWindow* theWindow )
 248   {
 249     const char* emptyIcon = "ICON_SMESH_TREE_MESH_WARN";
 250     _PTR(Study) aStudy = SMESH::getStudy();
 251
 252     if ( SVTK_ViewWindow* aViewWindow = GetVtkViewWindow( theWindow ))
 253     {
 254       vtkRenderer *aRenderer = aViewWindow->getRenderer();
 255       VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
 256       vtkActorCollection *aCollection = aCopy.GetActors();
 257       aCollection->InitTraversal();
 258       while ( vtkActor *actor = aCollection->GetNextActor() ) {
 259         if ( SMESH_Actor *smeshActor = dynamic_cast<SMESH_Actor*>( actor ))
 260         {
 261           if ( !smeshActor->hasIO() )
 262             continue;
 263           Handle(SALOME_InteractiveObject) io = smeshActor->getIO();
 264           if ( !io->hasEntry() )
 265             continue;
 266           _PTR(SObject) so = aStudy->FindObjectID( io->getEntry() );
 267           if ( !so )
 268             continue; // seems impossible
 269
 270           CORBA::Object_var obj = SMESH::SObjectToObject( so );
 271           if ( CORBA::is_nil( obj )) // removed object
 272           {
 273             RemoveActor( theWindow, smeshActor );
 274             continue;
 275           }
 276
 277           bool toShow = smeshActor->GetVisibility();
 278           _PTR(GenericAttribute) attr;
 279           if ( toShow && so->FindAttribute( attr, "AttributePixMap" )) // check emptiness
 280           {
 281             _PTR(AttributePixMap) pixMap = attr;
 282             toShow = ( pixMap->GetPixMap() != emptyIcon );
 283           }
 284           //smeshActor->Update();
 285           UpdateView( theWindow, toShow ? eDisplay : eErase, io->getEntry() );
 286         }
 287       }
 288     }
 289     return;
 290   }
 291
 292   //================================================================================
 293   /*!
 294    * \brief Remove/update actors while module activation
 295    *
 296    * At module activation, groups and sub-meshes can be removed on engine side due
 297    * to modification of meshed geometry, while their actors can remain.
 298    * Here we remove/update SMESH_Actor's of changed objects. State (emptiness) of objects
 299    * is defined by their icons in the Object Browser
 300    */
 301   //================================================================================
 302
 303   void UpdateActorsAfterUpdateStudy()
 304   {
 305     SUIT_Study* study = SMESH::GetActiveStudy();
 306     if ( SUIT_Desktop* desk = study->application()->desktop() )
 307     {
 308       QList<SUIT_ViewWindow*> wndList = desk->windows();
 309       SUIT_ViewWindow* wnd;
 310       foreach ( wnd, wndList )
 311         SMESH::UpdateActorsAfterUpdateStudy(wnd);
 312     }
 313   }
 314
 315   //================================================================================
 316   /*!
 317    * \brief Notify the user on problems during visualization
 318    */
 319   //================================================================================
 320
 321   void OnVisuException()
 322   {
 323     try {
 324       OCC_CATCH_SIGNALS;
 325       // PAL16774 (Crash after display of many groups). Salome sometimes crashes just
 326       // after or at showing this message, so we do an additional check of available memory
 327 //       char* buf = new char[100*1024];
 328 //       delete [] buf;
 329       SUIT_MessageBox::warning(SMESHGUI::desktop(), QObject::tr("SMESH_WRN_WARNING"),
 330                                QObject::tr("SMESH_VISU_PROBLEM"));
 331     } catch (...) {
 332       // no more memory at all: last resort
 333       MESSAGE_BEGIN ( "SMESHGUI_VTKUtils::OnVisuException(), exception even at showing a message!!!" <<
 334                       std::endl << "Try to remove all visual data..." );
 335       if (theVISU_MemoryReserve) {
 336         delete theVISU_MemoryReserve;
 337         theVISU_MemoryReserve = 0;
 338       }
 339       RemoveAllObjectsWithActors();
 340       SUIT_MessageBox::warning(SMESHGUI::desktop(), QObject::tr("SMESH_WRN_WARNING"),
 341                                QObject::tr("SMESH_VISU_PROBLEM_CLEAR"));
 342       MESSAGE_END ( "...done" );
 343     }
 344   }
 345   //================================================================================
 346   /*!
 347    * \brief Returns an updated visual object
 348    */
 349   //================================================================================
 350
 351   TVisualObjPtr GetVisualObj(const char* theEntry, bool nulData){
 352     TVisualObjPtr aVisualObj;
 353     try{
 354       OCC_CATCH_SIGNALS;
 355       TVisualObjCont::iterator anIter = VISUAL_OBJ_CONT.find(theEntry);
 356       if(anIter != VISUAL_OBJ_CONT.end()){
 357         aVisualObj = anIter->second;
 358       }else{
 359         SalomeApp_Application* app =
 360           dynamic_cast<SalomeApp_Application*>( SMESHGUI::activeStudy()->application() );
 361         _PTR(Study) aStudy = SMESH::getStudy();
 362         _PTR(SObject) aSObj = aStudy->FindObjectID(theEntry);
 363         if(aSObj){
 364           _PTR(GenericAttribute) anAttr;
 365           if(aSObj->FindAttribute(anAttr,"AttributeIOR")){
 366             _PTR(AttributeIOR) anIOR = anAttr;
 367             CORBA::String_var aVal = anIOR->Value().c_str();
 368             CORBA::Object_var anObj = app->orb()->string_to_object( aVal.in() );
 369             if(!CORBA::is_nil(anObj)){
 370               //Try narrow to SMESH_Mesh interface
 371               SMESH::SMESH_Mesh_var aMesh = SMESH::SMESH_Mesh::_narrow(anObj);
 372               if(!aMesh->_is_nil()){
 373                 aVisualObj.reset(new SMESH_MeshObj(aMesh));
 374                 TVisualObjCont::value_type aValue(theEntry,aVisualObj);
 375                 VISUAL_OBJ_CONT.insert(aValue);
 376               }
 377               //Try narrow to SMESH_Group interface
 378               SMESH::SMESH_GroupBase_var aGroup = SMESH::SMESH_GroupBase::_narrow(anObj);
 379               if(!aGroup->_is_nil()){
 380                 _PTR(SObject) aFatherSObj = aSObj->GetFather();
 381                 if(!aFatherSObj) return aVisualObj;
 382                 aFatherSObj = aFatherSObj->GetFather();
 383                 if(!aFatherSObj) return aVisualObj;
 384                 CORBA::String_var anEntry = aFatherSObj->GetID().c_str();
 385                 TVisualObjPtr aVisObj = GetVisualObj(anEntry.in());
 386                 if(SMESH_MeshObj* aMeshObj = dynamic_cast<SMESH_MeshObj*>(aVisObj.get())){
 387                   aVisualObj.reset(new SMESH_GroupObj(aGroup,aMeshObj));
 388                   TVisualObjCont::value_type aValue(theEntry,aVisualObj);
 389                   VISUAL_OBJ_CONT.insert(aValue);
 390                 }
 391               }
 392               //Try narrow to SMESH_subMesh interface
 393               SMESH::SMESH_subMesh_var aSubMesh = SMESH::SMESH_subMesh::_narrow(anObj);
 394               if(!aSubMesh->_is_nil()){
 395                 _PTR(SObject) aFatherSObj = aSObj->GetFather();
 396                 if(!aFatherSObj) return aVisualObj;
 397                 aFatherSObj = aFatherSObj->GetFather();
 398                 if(!aFatherSObj) return aVisualObj;
 399                 CORBA::String_var anEntry = aFatherSObj->GetID().c_str();
 400                 TVisualObjPtr aVisObj = GetVisualObj(anEntry.in());
 401                 if(SMESH_MeshObj* aMeshObj = dynamic_cast<SMESH_MeshObj*>(aVisObj.get())){
 402                   aVisualObj.reset(new SMESH_subMeshObj(aSubMesh,aMeshObj));
 403                   TVisualObjCont::value_type aValue(theEntry,aVisualObj);
 404                   VISUAL_OBJ_CONT.insert(aValue);
 405                 }
 406               }
 407             }
 408           }
 409         }
 410       }
 411     }catch(...){
 412       INFOS("GetMeshObj - There is no SMESH_Mesh object for the SALOMEDS::Strudy and Entry!!!");
 413       return TVisualObjPtr();
 414     }
 415     // Update object
 416     bool objModified = false;
 417     if ( aVisualObj ) {
 418       try {
 419         OCC_CATCH_SIGNALS;
 420         if (nulData)
 421           objModified = aVisualObj->NulData();
 422         else
 423           objModified = aVisualObj->Update();
 424       }
 425       catch (...) {
 426         MESSAGE ( "Exception in SMESHGUI_VTKUtils::GetVisualObj()" );
 427         RemoveVisualObjectWithActors( theEntry ); // remove this object
 428         OnVisuException();
 429         aVisualObj.reset();
 430       }
 431     }
 432
 433     if ( objModified ) {
 434       // PAL16631. Measurements showed that to show aVisualObj in SHADING(default) mode,
 435       // ~5 times more memory is used than it occupies.
 436       // Warn the user if there is less free memory than 30 sizes of a grid
 437       // TODO: estimate memory usage in other modes and take current mode into account
 438       int freeMB = SMDS_Mesh::CheckMemory(true);
 439       int usedMB = aVisualObj->GetUnstructuredGrid()->GetActualMemorySize() / 1024;
 440       //MESSAGE("SMESHGUI_VTKUtils::GetVisualObj(), freeMB=" << freeMB << ", usedMB=" <<usedMB);
 441       if ( freeMB > 0 && usedMB * 5 > freeMB ) {
 442         bool continu = false;
 443         if ( usedMB * 3 > freeMB )
 444           // don't even try to show
 445           SUIT_MessageBox::warning(SMESHGUI::desktop(), QObject::tr("SMESH_WRN_WARNING"),
 446                                    QObject::tr("SMESH_NO_MESH_VISUALIZATION"));
 447         else
 448           // there is a chance to succeed
 449           continu = SUIT_MessageBox::warning
 450             (SMESHGUI::desktop(),
 451              QObject::tr("SMESH_WRN_WARNING"),
 452              QObject::tr("SMESH_CONTINUE_MESH_VISUALIZATION"),
 453              SUIT_MessageBox::Yes | SUIT_MessageBox::No,
 454              SUIT_MessageBox::Yes ) == SUIT_MessageBox::Yes;
 455         if ( !continu ) {
 456           // remove the corresponding actors from all views
 457           RemoveVisualObjectWithActors( theEntry );
 458           aVisualObj.reset();
 459         }
 460       }
 461     }
 462
 463     return aVisualObj;
 464   }
 465
 466
 467   /*! Return active view window, if it instantiates SVTK_ViewWindow class,
 468    *  otherwise find or create corresponding view window, make it active and return it.
 469    *  \note Active VVTK_ViewWindow can be returned, because it inherits SVTK_ViewWindow.
 470    */
 471   SVTK_ViewWindow* GetViewWindow (const SalomeApp_Module* theModule,
 472                                   bool createIfNotFound)
 473   {
 474     SalomeApp_Application* anApp;
 475     if (theModule)
 476       anApp = theModule->getApp();
 477     else
 478       anApp = dynamic_cast<SalomeApp_Application*>
 479         (SUIT_Session::session()->activeApplication());
 480
 481     if (anApp) {
 482       if (SVTK_ViewWindow* aView = dynamic_cast<SVTK_ViewWindow*>(anApp->desktop()->activeWindow()))
 483         return aView;
 484
 485       SUIT_ViewManager* aViewManager =
 486         anApp->getViewManager(SVTK_Viewer::Type(), createIfNotFound);
 487       if (aViewManager) {
 488         if (SUIT_ViewWindow* aViewWindow = aViewManager->getActiveView()) {
 489           if (SVTK_ViewWindow* aView = dynamic_cast<SVTK_ViewWindow*>(aViewWindow)) {
 490             aViewWindow->raise();
 491             aViewWindow->setFocus();
 492             return aView;
 493           }
 494         }
 495       }
 496     }
 497     return NULL;
 498   }
 499
 500   SVTK_ViewWindow* FindVtkViewWindow (SUIT_ViewManager* theMgr,
 501                                       SUIT_ViewWindow * theWindow)
 502   {
 503     if( !theMgr )
 504       return NULL;
 505
 506     QVector<SUIT_ViewWindow*> views = theMgr->getViews();
 507     if( views.contains( theWindow ) )
 508       return GetVtkViewWindow( theWindow );
 509     else
 510       return NULL;
 511   }
 512
 513   SVTK_ViewWindow* GetVtkViewWindow(SUIT_ViewWindow* theWindow){
 514     return dynamic_cast<SVTK_ViewWindow*>(theWindow);
 515   }
 516
 517 /*  SUIT_ViewWindow* GetActiveWindow()
 518   {
 519     SalomeApp_Application* app = dynamic_cast<SalomeApp_Application*>( SUIT_Session::session()->activeApplication() );
 520     if( !app )
 521       return NULL;
 522     SUIT_ViewManager* mgr = app->activeViewManager();
 523     if( mgr )
 524       return mgr->getActiveView();
 525     else
 526       return NULL;
 527   }*/
 528
 529   SVTK_ViewWindow* GetCurrentVtkView(){
 530     return GetVtkViewWindow( GetActiveWindow() );
 531   }
 532
 533
 534   void RepaintCurrentView()
 535   {
 536     if (SVTK_ViewWindow* wnd = GetCurrentVtkView())
 537     {
 538       try {
 539         OCC_CATCH_SIGNALS;
 540         wnd->getRenderer()->Render();
 541         wnd->Repaint(false);
 542       }
 543       catch (...) {
 544         MESSAGE ( "Exception in SMESHGUI_VTKUtils::RepaintCurrentView()" );
 545         OnVisuException();
 546       }
 547     }
 548   }
 549
 550   void RepaintViewWindow(SVTK_ViewWindow* theWindow)
 551   {
 552     try {
 553       OCC_CATCH_SIGNALS;
 554       theWindow->getRenderer()->Render();
 555       theWindow->Repaint();
 556     }
 557     catch (...) {
 558       MESSAGE ( "Exception in SMESHGUI_VTKUtils::RepaintViewWindow(SVTK_ViewWindow*)" );
 559       OnVisuException();
 560     }
 561   }
 562
 563   void RenderViewWindow(SVTK_ViewWindow* theWindow)
 564   {
 565     try {
 566       OCC_CATCH_SIGNALS;
 567       theWindow->getRenderer()->Render();
 568       theWindow->Repaint();
 569     }
 570     catch (...) {
 571       MESSAGE ( "Exception in SMESHGUI_VTKUtils::RenderViewWindow(SVTK_ViewWindow*)" );
 572       OnVisuException();
 573     }
 574   }
 575
 576   void FitAll(){
 577     if(SVTK_ViewWindow* wnd = GetCurrentVtkView() ){
 578       try {
 579         OCC_CATCH_SIGNALS;
 580         wnd->onFitAll();
 581         wnd->Repaint();
 582       }
 583       catch (...) {
 584         MESSAGE ( "Exception in SMESHGUI_VTKUtils::FitAll()" );
 585         OnVisuException();
 586       }
 587     }
 588   }
 589
 590
 591   SMESH_Actor* FindActorByEntry(SUIT_ViewWindow *theWindow,
 592                                 const char* theEntry)
 593   {
 594     if(SVTK_ViewWindow* aViewWindow = GetVtkViewWindow(theWindow)){
 595       vtkRenderer *aRenderer = aViewWindow->getRenderer();
 596       VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
 597       vtkActorCollection *aCollection = aCopy.GetActors();
 598       aCollection->InitTraversal();
 599       while(vtkActor *anAct = aCollection->GetNextActor()){
 600         if(SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct)){
 601           if(anActor->hasIO()){
 602             Handle(SALOME_InteractiveObject) anIO = anActor->getIO();
 603             if(anIO->hasEntry() && strcmp(anIO->getEntry(),theEntry) == 0){
 604               return anActor;
 605             }
 606           }
 607         }
 608       }
 609     }
 610     return NULL;
 611   }
 612
 613
 614   SMESH_Actor* FindActorByEntry(const char* theEntry){
 615     return FindActorByEntry(GetActiveWindow(),theEntry);
 616   }
 617
 618
 619   SMESH_Actor* FindActorByObject(CORBA::Object_ptr theObject){
 620     SalomeApp_Application* app = dynamic_cast<SalomeApp_Application*>( SUIT_Session::session()->activeApplication() );
 621     if( !app )
 622       return NULL;
 623
 624     if(!CORBA::is_nil(theObject)){
 625       _PTR(Study) aStudy = getStudy();
 626       CORBA::String_var anIOR = app->orb()->object_to_string( theObject );
 627       _PTR(SObject) aSObject = aStudy->FindObjectIOR(anIOR.in());
 628       if(aSObject){
 629         CORBA::String_var anEntry = aSObject->GetID().c_str();
 630         return FindActorByEntry(anEntry.in());
 631       }
 632     }
 633     return NULL;
 634   }
 635
 636
 637   SMESH_Actor* CreateActor(const char* theEntry,
 638                            int theIsClear)
 639   {
 640     SMESH_Actor *anActor = NULL;
 641     if(TVisualObjPtr aVisualObj = GetVisualObj(theEntry)){
 642       _PTR(SObject) aSObj = getStudy()->FindObjectID(theEntry);
 643       if(aSObj){
 644         _PTR(GenericAttribute) anAttr;
 645         if(aSObj->FindAttribute(anAttr,"AttributeName")){
 646           _PTR(AttributeName) aName = anAttr;
 647           std::string aNameVal = aName->Value();
 648           anActor = SMESH_Actor::New(aVisualObj,theEntry,aNameVal.c_str(),theIsClear);
 649         }
 650
 651         SMESH::SMESH_GroupBase_var aGroup = SMESH::SMESH_GroupBase::_narrow( SMESH::SObjectToObject( aSObj ));
 652         if(!CORBA::is_nil(aGroup) && anActor)
 653         {
 654           QColor c;
 655           int deltaF, deltaV;
 656           SMESH::GetColor( "SMESH", "fill_color", c, deltaF, "0,170,255|-100"  );
 657           SMESH::GetColor( "SMESH", "volume_color", c, deltaV, "255,0,170|-100"  );
 658           c = SMESH::GetColor( "SMESH", "default_grp_color", c );
 659           SALOMEDS::Color aColor = aGroup->GetColor();
 660           if( !( aColor.R > 0 || aColor.G > 0 || aColor.B > 0 ))
 661           {
 662             aColor.R = c.redF();
 663             aColor.G = c.greenF();
 664             aColor.B = c.blueF();
 665             aGroup->SetColor( aColor );
 666           }
 667           if( aGroup->GetType() == SMESH::NODE )
 668             anActor->SetNodeColor( aColor.R, aColor.G, aColor.B );
 669           else if( aGroup->GetType() == SMESH::EDGE )
 670             anActor->SetEdgeColor( aColor.R, aColor.G, aColor.B );
 671           else if( aGroup->GetType() == SMESH::ELEM0D )
 672             anActor->Set0DColor( aColor.R, aColor.G, aColor.B );
 673           else if( aGroup->GetType() == SMESH::BALL )
 674             anActor->SetBallColor( aColor.R, aColor.G, aColor.B );
 675           else if( aGroup->GetType() == SMESH::VOLUME )
 676             anActor->SetVolumeColor( aColor.R, aColor.G, aColor.B, deltaV );
 677           else
 678             anActor->SetSufaceColor( aColor.R, aColor.G, aColor.B, deltaF );
 679         }
 680       }
 681     }
 682     //MESSAGE("CreateActor " << anActor);
 683     if( anActor )
 684       if( SMESHGUI* aSMESHGUI = SMESHGUI::GetSMESHGUI() )
 685         aSMESHGUI->addActorAsObserver( anActor );
 686     return anActor;
 687   }
 688
 689
 690   void DisplayActor( SUIT_ViewWindow *theWnd, SMESH_Actor* theActor){
 691     if(SVTK_ViewWindow* vtkWnd = GetVtkViewWindow(theWnd)){
 692       try {
 693         OCC_CATCH_SIGNALS;
 694         //MESSAGE("DisplayActor " << theActor);
 695         vtkWnd->AddActor(theActor);
 696         vtkWnd->Repaint();
 697       }
 698       catch (...) {
 699         MESSAGE ( "Exception in SMESHGUI_VTKUtils::DisplayActor()" );
 700         OnVisuException();
 701       }
 702     }
 703   }
 704
 705
 706   void RemoveActor( SUIT_ViewWindow *theWnd, SMESH_Actor* theActor)
 707   {
 708     if ( SVTK_ViewWindow* vtkWnd = GetVtkViewWindow(theWnd)) {
 709       //MESSAGE("RemoveActor " << theActor);
 710       vtkWnd->RemoveActor(theActor);
 711       if(theActor->hasIO()){
 712         Handle(SALOME_InteractiveObject) anIO = theActor->getIO();
 713         if(anIO->hasEntry()){
 714           std::string anEntry = anIO->getEntry();
 715           VISUAL_OBJ_CONT.erase(anEntry);
 716         }
 717       }
 718       theActor->Delete();
 719       vtkWnd->Repaint();
 720     }
 721   }
 722
 723   //================================================================================
 724   /*!
 725    * \brief Return true if there are no SMESH actors in a view
 726    */
 727   //================================================================================
 728
 729   bool NoSmeshActors(SUIT_ViewWindow *theWnd)
 730   {
 731     SUIT_ViewWindow* aWnd = ( theWnd == nullptr ) ? GetActiveWindow() : theWnd;
 732     if(SVTK_ViewWindow* aViewWindow = GetVtkViewWindow(aWnd)) {
 733       vtkRenderer *aRenderer = aViewWindow->getRenderer();
 734       VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
 735       vtkActorCollection *aCollection = aCopy.GetActors();
 736       aCollection->InitTraversal();
 737       while(vtkActor *anAct = aCollection->GetNextActor())
 738         if(dynamic_cast<SMESH_Actor*>(anAct))
 739           return false;
 740     }
 741     return true;
 742   }
 743
 744   bool UpdateView(SUIT_ViewWindow *theWnd, EDisplaing theAction, const char* theEntry)
 745   {
 746     //MESSAGE("UpdateView");
 747     bool OK = false;
 748     SVTK_ViewWindow* aViewWnd = GetVtkViewWindow(theWnd);
 749     if (!aViewWnd)
 750       return OK;
 751
 752     SVTK_ViewWindow* vtkWnd = GetVtkViewWindow(theWnd);
 753     if (!vtkWnd)
 754       return OK;
 755
 756     SalomeApp_Study* aStudy = dynamic_cast<SalomeApp_Study*>( vtkWnd->getViewManager()->study() );
 757
 758     if (!aStudy)
 759       return OK;
 760
 761     SUIT_ResourceMgr* resMgr;
 762     {
 763       OK = true;
 764       vtkRenderer *aRenderer = aViewWnd->getRenderer();
 765       VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
 766       vtkActorCollection *aCollection = aCopy.GetActors();
 767       aCollection->InitTraversal();
 768
 769       switch (theAction) {
 770       case eDisplayAll: {
 771         while (vtkActor *anAct = aCollection->GetNextActor()) {
 772           if (SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct)) {
 773             //MESSAGE("--- display " << anActor);
 774             anActor->SetVisibility(true);
 775
 776             if(anActor->hasIO()){
 777               Handle(SALOME_InteractiveObject) anIO = anActor->getIO();
 778               if(anIO->hasEntry()){
 779                 aStudy->setVisibilityState(anIO->getEntry(), Qtx::ShownState);
 780               }
 781             }
 782           }
 783         }
 784         break;
 785       }
 786       case eDisplayOnly:
 787       case eEraseAll: {
 788         //MESSAGE("---case eDisplayOnly");
 789         while (vtkActor *anAct = aCollection->GetNextActor()) {
 790           if (SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct)) {
 791             //MESSAGE("--- erase " << anActor);
 792             anActor->SetVisibility(false);
 793           }
 794         }
 795         aStudy->setVisibilityStateForAll(Qtx::HiddenState);
 796       }
 797       default: {
 798         if (SMESH_Actor *anActor = FindActorByEntry(theWnd,theEntry)) {
 799           switch (theAction) {
 800             case eDisplay:
 801             case eDisplayOnly:
 802               //MESSAGE("--- display " << anActor);
 803               anActor->Update();
 804               anActor->SetVisibility(true);
 805               if (theAction == eDisplayOnly) aRenderer->ResetCameraClippingRange();
 806               aStudy->setVisibilityState(theEntry, Qtx::ShownState);
 807               if (( theAction == eDisplayOnly ) &&
 808                   ( resMgr = SMESHGUI::resourceMgr() ) &&
 809                   ( resMgr->booleanValue( "SMESH", "fitall_on_displayonly", false )))
 810                 FitAll(); // PAL23615
 811               break;
 812             case eErase:
 813               //MESSAGE("--- erase " << anActor);
 814               anActor->SetVisibility(false);
 815               aStudy->setVisibilityState(theEntry, Qtx::HiddenState);
 816               break;
 817             default:;
 818           }
 819         } else {
 820           switch (theAction) {
 821           case eDisplay:
 822           case eDisplayOnly:
 823             {
 824               //MESSAGE("---");
 825               SalomeApp_Study* aStudy = dynamic_cast<SalomeApp_Study*>(theWnd->getViewManager()->study());
 826               TVisualObjPtr aVisualObj;
 827               if ( (aVisualObj = GetVisualObj(theEntry)) && aVisualObj->IsValid())
 828               {
 829                 if ((anActor = CreateActor(theEntry,true))) {
 830                   bool needFitAll = NoSmeshActors(theWnd); // fit for the first object only
 831                   DisplayActor(theWnd,anActor);
 832                   anActor->SetVisibility(true);
 833                   aStudy->setVisibilityState(theEntry, Qtx::ShownState);
 834                   // FitAll(); - PAL16770(Display of a group performs an automatic fit all)
 835                   if (( !needFitAll ) &&
 836                       ( theAction == eDisplayOnly ) &&
 837                       ( resMgr = SMESHGUI::resourceMgr() ))
 838                   {
 839                     needFitAll = resMgr->booleanValue( "SMESH", "fitall_on_displayonly", false );
 840                   }
 841                   if ( needFitAll )
 842                     FitAll();
 843                 }
 844                 else {
 845                   OK = false;
 846                 }
 847               }
 848               break;
 849             }
 850           default:;
 851           }
 852         }
 853       }
 854       }
 855     }
 856     return OK;
 857   }
 858
 859
 860   bool UpdateView(EDisplaing theAction, const char* theEntry) {
 861     //MESSAGE("UpdateView");
 862     SalomeApp_Study* aStudy = dynamic_cast< SalomeApp_Study* >( GetActiveStudy() );
 863     SalomeApp_Application* app = dynamic_cast< SalomeApp_Application* >( aStudy->application() );
 864     if ( SUIT_ViewManager* vm = app->activeViewManager() )
 865     {
 866       SUIT_ViewWindow *aWnd = vm->getActiveView();
 867       return UpdateView(aWnd,theAction,theEntry);
 868     }
 869     return false;
 870   }
 871
 872   void UpdateView( bool withChildrenOfSelected )
 873   {
 874     if ( SVTK_ViewWindow* aWnd = SMESH::GetCurrentVtkView()) {
 875       LightApp_SelectionMgr* mgr = SMESHGUI::selectionMgr();
 876       SALOME_ListIO selected; mgr->selectedObjects( selected );
 877
 878       if ( selected.Extent() == 0 ) {
 879         vtkRenderer* aRenderer = aWnd->getRenderer();
 880         VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
 881         vtkActorCollection *aCollection = aCopy.GetActors();
 882         aCollection->InitTraversal();
 883         while(vtkActor *anAct = aCollection->GetNextActor()){
 884           if(SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct)){
 885             if(anActor->hasIO())
 886               if (!Update(anActor->getIO(),anActor->GetVisibility()))
 887                 break; // avoid multiple warnings if visu failed
 888           }
 889         }
 890       }
 891       else
 892       {
 893         SALOME_ListIteratorOfListIO anIter( selected );
 894         for( ; anIter.More(); anIter.Next())
 895         {
 896           Handle(SALOME_InteractiveObject) anIO = anIter.Value();
 897           if ( !Update( anIO, true ))
 898             break; // avoid multiple warnings if visu failed
 899
 900           if ( withChildrenOfSelected ) // update all visible children
 901           {
 902             QString aFatherID = anIO->getEntry();
 903             vtkRenderer* aRenderer = aWnd->getRenderer();
 904             VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
 905             vtkActorCollection *aCollection = aCopy.GetActors();
 906             aCollection->InitTraversal();
 907             while ( vtkActor *anAct = aCollection->GetNextActor() ) {
 908               if ( SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>( anAct )) {
 909                 if ( anActor->hasIO() && anActor->GetVisibility() )
 910                 {
 911                   QString aChildID = anActor->getIO()->getEntry();
 912                   if ( aChildID.size() > aFatherID.size() &&
 913                        aChildID.startsWith( aFatherID ))
 914                     if ( ! Update( anActor->getIO(), true ))
 915                       break;
 916                 }
 917               }
 918             }
 919           }
 920         }
 921       }
 922       RepaintCurrentView();
 923     }
 924   }
 925
 926
 927   bool Update(const Handle(SALOME_InteractiveObject)& theIO, bool theDisplay)
 928   {
 929     //MESSAGE("Update");
 930     if ( TVisualObjPtr aVisualObj = SMESH::GetVisualObj(theIO->getEntry())) {
 931       if ( theDisplay )
 932         UpdateView(SMESH::eDisplay,theIO->getEntry());
 933       return true;
 934     }
 935     return false;
 936   }
 937
 938   bool UpdateNulData(const Handle(SALOME_InteractiveObject)& theIO, bool theDisplay)
 939   {
 940     //MESSAGE("UpdateNulData");
 941     if ( TVisualObjPtr aVisualObj = SMESH::GetVisualObj(theIO->getEntry(), true)) {
 942       if ( theDisplay )
 943         UpdateView(SMESH::eDisplay,theIO->getEntry());
 944       return true;
 945     }
 946     return false;
 947   }
 948
 949   void UpdateSelectionProp( SMESHGUI* theModule )
 950   {
 951     if( !theModule )
 952       return;
 953
 954     SalomeApp_Application* app = dynamic_cast< SalomeApp_Application* >( theModule->application() );
 955     if( !app )
 956     {
 957       MESSAGE( "UpdateSelectionProp: Application is null" );
 958       return;
 959     }
 960
 961     SUIT_ViewManager* vm = app->activeViewManager();
 962     if( !vm )
 963     {
 964       MESSAGE( "UpdateSelectionProp: View manager is null" );
 965       return;
 966     }
 967
 968     QVector<SUIT_ViewWindow*> views = vm->getViews();
 969
 970     SUIT_ResourceMgr* mgr = SMESH::GetResourceMgr( theModule );
 971     if( !mgr )
 972     {
 973       MESSAGE( "UpdateSelectionProp: Resource manager is null" );
 974       return;
 975     }
 976
 977     SMESH_ActorProps::props()->reset();
 978
 979     QColor
 980       //aHiColor = mgr->colorValue( "SMESH", "selection_object_color", Qt::white ),
 981       aSelColor = mgr->colorValue( "SMESH", "selection_element_color", Qt::yellow ),
 982       aPreColor = mgr->colorValue( "SMESH", "highlight_color", Qt::cyan );
 983
 984     int aElem0DSize = mgr->integerValue("SMESH", "elem0d_size", 5);
 985     // int aBallSize   = mgr->integerValue("SMESH", "ball_elem_size", 5);
 986     int aLineWidth  = mgr->integerValue("SMESH", "element_width", 1);
 987     int maxSize = aElem0DSize;
 988     if (aElem0DSize > maxSize) maxSize = aElem0DSize;
 989     if (aLineWidth > maxSize) maxSize = aLineWidth;
 990     //  if (aBallSize > maxSize) maxSize = aBallSize;
 991
 992     double
 993       SP1 = mgr->doubleValue( "SMESH", "selection_precision_node", 0.025 ),
 994       SP2 = mgr->doubleValue( "SMESH", "selection_precision_element", 0.001 ),
 995       SP3 = mgr->doubleValue( "SMESH", "selection_precision_object", 0.025 );
 996
 997     for ( int i=0, n=views.count(); i<n; i++ )
 998     {
 999       // update VTK viewer properties
1000       if ( SVTK_ViewWindow* aVtkView = GetVtkViewWindow( views[i] ))
1001       {
1002         // mesh element selection
1003         aVtkView->SetSelectionProp(aSelColor.red()/255.,
1004                                    aSelColor.green()/255.,
1005                                    aSelColor.blue()/255.);
1006         // tolerances
1007         aVtkView->SetSelectionTolerance(SP1, SP2, SP3);
1008
1009         // pre-selection
1010         aVtkView->SetPreselectionProp(aPreColor.red()/255.,
1011                                       aPreColor.green()/255.,
1012                                       aPreColor.blue()/255.);
1013         // update actors
1014         vtkRenderer* aRenderer = aVtkView->getRenderer();
1015         VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
1016         vtkActorCollection *aCollection = aCopy.GetActors();
1017         aCollection->InitTraversal();
1018         while ( vtkActor *anAct = aCollection->GetNextActor() ) {
1019           if ( SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct) ) {
1020             anActor->UpdateSelectionProps();
1021           }
1022         }
1023       }
1024     }
1025   }
1026
1027
1028   void UpdateFontProp( SMESHGUI* theModule )
1029   {
1030     if ( !theModule ) return;
1031
1032     SalomeApp_Application* app = dynamic_cast< SalomeApp_Application* >( theModule->application() );
1033     if ( !app ) return;
1034
1035     SUIT_ResourceMgr* mgr = SMESH::GetResourceMgr( theModule );
1036     if ( !mgr ) return;
1037     //
1038     double anRGBNd[3] = {1,1,1};
1039     SMESH::GetColor( "SMESH", "numbering_node_color", anRGBNd[0], anRGBNd[1], anRGBNd[2], QColor( 255, 255, 255 ) );
1040     int aSizeNd = 10;
1041     SMESH::LabelFont aFamilyNd = SMESH::FntTimes;
1042     bool aBoldNd    = true;
1043     bool anItalicNd = false;
1044     bool aShadowNd  = false;
1045
1046     if ( mgr->hasValue( "SMESH", "numbering_node_font" ) ) {
1047       QFont f = mgr->fontValue( "SMESH", "numbering_node_font" );
1048       if ( f.family()      == "Arial" )   aFamilyNd = SMESH::FntArial;
1049       else if ( f.family() == "Courier" ) aFamilyNd = SMESH::FntCourier;
1050       else if ( f.family() == "Times" )   aFamilyNd = SMESH::FntTimes;
1051       aBoldNd    = f.bold();
1052       anItalicNd = f.italic();
1053       aShadowNd  = f.overline();
1054       aSizeNd    = f.pointSize();
1055     }
1056     //
1057     double anRGBEl[3] = {0,1,0};
1058     SMESH::GetColor( "SMESH", "numbering_elem_color", anRGBEl[0], anRGBEl[1], anRGBEl[2], QColor( 0, 255, 0 ) );
1059     int aSizeEl = 12;
1060     SMESH::LabelFont aFamilyEl = SMESH::FntTimes;
1061     bool aBoldEl    = true;
1062     bool anItalicEl = false;
1063     bool aShadowEl  = false;
1064
1065     if ( mgr->hasValue( "SMESH", "numbering_elem_font" ) ) {
1066       QFont f = mgr->fontValue( "SMESH", "numbering_elem_font" );
1067
1068       if ( f.family()      == "Arial" )   aFamilyEl = SMESH::FntArial;
1069       else if ( f.family() == "Courier" ) aFamilyEl = SMESH::FntCourier;
1070       else if ( f.family() == "Times" )   aFamilyEl = SMESH::FntTimes;
1071       aBoldEl    = f.bold();
1072       anItalicEl = f.italic();
1073       aShadowEl  = f.overline();
1074       aSizeEl    = f.pointSize();
1075     }
1076     //
1077     ViewManagerList vmList;
1078     app->viewManagers( SVTK_Viewer::Type(), vmList );
1079     foreach ( SUIT_ViewManager* vm, vmList ) {
1080       QVector<SUIT_ViewWindow*> views = vm->getViews();
1081       foreach ( SUIT_ViewWindow* vw, views ) {
1082         // update VTK viewer properties
1083         if ( SVTK_ViewWindow* aVtkView = GetVtkViewWindow( vw ) ) {
1084           // update actors
1085           vtkRenderer* aRenderer = aVtkView->getRenderer();
1086           VTK::ActorCollectionCopy aCopy( aRenderer->GetActors() );
1087           vtkActorCollection* aCollection = aCopy.GetActors();
1088           aCollection->InitTraversal();
1089           while ( vtkActor* anAct = aCollection->GetNextActor() ) {
1090             if ( SMESH_NodeLabelActor* anActor = dynamic_cast< SMESH_NodeLabelActor* >( anAct ) ) {
1091               anActor->SetFontProperties( aFamilyNd, aSizeNd, aBoldNd, anItalicNd, aShadowNd, anRGBNd[0], anRGBNd[1], anRGBNd[2] );
1092             }
1093             else if ( SMESH_CellLabelActor* anActor = dynamic_cast< SMESH_CellLabelActor* >( anAct ) ) {
1094               anActor->SetFontProperties( aFamilyEl, aSizeEl, aBoldEl, anItalicEl, aShadowEl, anRGBEl[0], anRGBEl[1], anRGBEl[2] );
1095             }
1096           }
1097           aVtkView->Repaint( false );
1098         }
1099       }
1100     }
1101   }
1102
1103   //----------------------------------------------------------------------------
1104   SVTK_Selector*
1105   GetSelector(SUIT_ViewWindow *theWindow)
1106   {
1107     if(SVTK_ViewWindow* aWnd = GetVtkViewWindow(theWindow))
1108       return aWnd->GetSelector();
1109
1110     return NULL;
1111   }
1112
1113   void SetFilter(const Handle(VTKViewer_Filter)& theFilter,
1114                  SVTK_Selector* theSelector)
1115   {
1116     if (theSelector)
1117       theSelector->SetFilter(theFilter);
1118   }
1119
1120   Handle(VTKViewer_Filter) GetFilter(int theId, SVTK_Selector* theSelector)
1121   {
1122     return theSelector->GetFilter(theId);
1123   }
1124
1125   bool IsFilterPresent(int theId, SVTK_Selector* theSelector)
1126   {
1127     return theSelector->IsFilterPresent(theId);
1128   }
1129
1130   void RemoveFilter(int theId, SVTK_Selector* theSelector)
1131   {
1132     theSelector->RemoveFilter(theId);
1133   }
1134
1135   void RemoveFilters(SVTK_Selector* theSelector)
1136   {
1137     for ( int id = SMESH::NodeFilter; theSelector && id < SMESH::LastFilter; id++ )
1138       theSelector->RemoveFilter( id );
1139   }
1140
1141   bool IsValid(SALOME_Actor* theActor, int theCellId,
1142                SVTK_Selector* theSelector)
1143   {
1144     return theSelector->IsValid(theActor,theCellId);
1145   }
1146
1147
1148   //----------------------------------------------------------------------------
1149   void SetPointRepresentation(bool theIsVisible)
1150   {
1151     if ( SVTK_ViewWindow* aViewWindow = GetCurrentVtkView() ) {
1152       vtkRenderer *aRenderer = aViewWindow->getRenderer();
1153       VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
1154       vtkActorCollection *aCollection = aCopy.GetActors();
1155       aCollection->InitTraversal();
1156       while(vtkActor *anAct = aCollection->GetNextActor()){
1157         if(SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct)){
1158           if(anActor->GetVisibility()){
1159             anActor->SetPointRepresentation(theIsVisible);
1160           }
1161         }
1162       }
1163       RepaintCurrentView();
1164     }
1165   }
1166
1167
1168   void SetPickable(SMESH_Actor* theActor)
1169   {
1170     if ( SVTK_ViewWindow* aWnd = GetCurrentVtkView() ) {
1171       int anIsAllPickable = (theActor == NULL);
1172       vtkRenderer *aRenderer = aWnd->getRenderer();
1173       VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
1174       vtkActorCollection *aCollection = aCopy.GetActors();
1175       aCollection->InitTraversal();
1176       while(vtkActor *anAct = aCollection->GetNextActor()){
1177         if(SALOME_Actor *anActor = dynamic_cast<SALOME_Actor*>(anAct)){
1178           if(anActor->GetVisibility()){
1179             anActor->SetPickable(anIsAllPickable);
1180           }
1181         }
1182       }
1183       if(theActor)
1184         theActor->SetPickable(!anIsAllPickable);
1185       RepaintCurrentView();
1186     }
1187   }
1188
1189
1190   //----------------------------------------------------------------------------
1191   int GetNameOfSelectedNodes(SVTK_Selector*                          theSelector,
1192                              const Handle(SALOME_InteractiveObject)& theIO,
1193                              QString&                                theName)
1194   {
1195     theName = "";
1196     TColStd_IndexedMapOfInteger aMapIndex;
1197     theSelector->GetIndex(theIO,aMapIndex);
1198
1199     for(int i = 1; i <= aMapIndex.Extent(); i++)
1200       theName += QString(" %1").arg(aMapIndex(i));
1201
1202     return aMapIndex.Extent();
1203   }
1204
1205   int GetNameOfSelectedElements(SVTK_Selector* theSelector,
1206                                 const Handle(SALOME_InteractiveObject)& theIO,
1207                                 QString& theName)
1208   {
1209     theName = "";
1210     TColStd_IndexedMapOfInteger aMapIndex;
1211     theSelector->GetIndex(theIO,aMapIndex);
1212
1213     typedef std::set<int> TIdContainer;
1214     TIdContainer anIdContainer;
1215     for( int i = 1; i <= aMapIndex.Extent(); i++)
1216       anIdContainer.insert(aMapIndex(i));
1217
1218     TIdContainer::const_iterator anIter = anIdContainer.begin();
1219     for( ; anIter != anIdContainer.end(); anIter++)
1220       theName += QString(" %1").arg(*anIter);
1221
1222     return aMapIndex.Extent();
1223   }
1224
1225
1226   int GetEdgeNodes(SVTK_Selector* theSelector,
1227                    const TVisualObjPtr& theVisualObject,
1228                    int& theId1,
1229                    int& theId2)
1230   {
1231     const SALOME_ListIO& selected = theSelector->StoredIObjects();
1232
1233     if ( selected.Extent() != 1 )
1234       return -1;
1235
1236     Handle(SALOME_InteractiveObject) anIO = selected.First();
1237     if ( anIO.IsNull() || !anIO->hasEntry() )
1238       return -1;
1239
1240     TColStd_IndexedMapOfInteger aMapIndex;
1241     theSelector->GetIndex( anIO, aMapIndex );
1242     if ( aMapIndex.Extent() != 2 )
1243       return -1;
1244
1245     int anObjId = -1, anEdgeNum = -1;
1246     for ( int i = 1; i <= aMapIndex.Extent(); i++ ) {
1247       int aVal = aMapIndex( i );
1248       if ( aVal > 0 )
1249         anObjId = aVal;
1250       else
1251         anEdgeNum = abs( aVal ) - 1;
1252     }
1253
1254     if ( anObjId == -1 || anEdgeNum == -1 )
1255       return -1;
1256
1257     return theVisualObject->GetEdgeNodes( anObjId, anEdgeNum, theId1, theId2 ) ? 1 : -1;
1258   }
1259
1260   //----------------------------------------------------------------------------
1261   int GetNameOfSelectedNodes(LightApp_SelectionMgr *theMgr,
1262                              const Handle(SALOME_InteractiveObject)& theIO,
1263                              QString& theName)
1264   {
1265     theName = "";
1266     if(theIO->hasEntry()){
1267       if(FindActorByEntry(theIO->getEntry())){
1268         TColStd_IndexedMapOfInteger aMapIndex;
1269         theMgr->GetIndexes(theIO,aMapIndex);
1270         for(int i = 1; i <= aMapIndex.Extent(); i++){
1271           theName += QString(" %1").arg(aMapIndex(i));
1272         }
1273         return aMapIndex.Extent();
1274       }
1275     }
1276     return -1;
1277   }
1278
1279   int GetNameOfSelectedNodes(LightApp_SelectionMgr *theMgr, QString& theName)
1280   {
1281     theName = "";
1282     SALOME_ListIO selected; theMgr->selectedObjects( selected );
1283     if(selected.Extent() == 1){
1284       Handle(SALOME_InteractiveObject) anIO = selected.First();
1285       return GetNameOfSelectedNodes(theMgr,anIO,theName);
1286     }
1287     return -1;
1288   }
1289
1290
1291   int GetNameOfSelectedElements(LightApp_SelectionMgr *                 theMgr,
1292                                 const Handle(SALOME_InteractiveObject)& theIO,
1293                                 QString&                                theName)
1294   {
1295     theName = "";
1296     if(theIO->hasEntry()){
1297       if(FindActorByEntry(theIO->getEntry())){
1298         TColStd_IndexedMapOfInteger aMapIndex;
1299         theMgr->GetIndexes(theIO,aMapIndex);
1300         typedef std::set<int> TIdContainer;
1301         TIdContainer anIdContainer;
1302         for( int i = 1; i <= aMapIndex.Extent(); i++)
1303           anIdContainer.insert(aMapIndex(i));
1304         TIdContainer::const_iterator anIter = anIdContainer.begin();
1305         for( ; anIter != anIdContainer.end(); anIter++){
1306           theName += QString(" %1").arg(*anIter);
1307         }
1308         return aMapIndex.Extent();
1309       }
1310     }
1311     return -1;
1312   }
1313
1314
1315   int GetNameOfSelectedElements(LightApp_SelectionMgr *theMgr, QString& theName)
1316   {
1317     theName = "";
1318     SALOME_ListIO selected; theMgr->selectedObjects( selected );
1319
1320     if( selected.Extent() == 1){
1321       Handle(SALOME_InteractiveObject) anIO = selected.First();
1322       return GetNameOfSelectedElements(theMgr,anIO,theName);
1323     }
1324     return -1;
1325   }
1326
1327   int GetSelected(LightApp_SelectionMgr*       theMgr,
1328                   TColStd_IndexedMapOfInteger& theMap,
1329                   const bool                   theIsElement)
1330   {
1331     theMap.Clear();
1332     SALOME_ListIO selected; theMgr->selectedObjects( selected );
1333
1334     if ( selected.Extent() == 1 )
1335     {
1336       Handle(SALOME_InteractiveObject) anIO = selected.First();
1337       if ( anIO->hasEntry() ) {
1338         theMgr->GetIndexes( anIO, theMap );
1339       }
1340     }
1341     return theMap.Extent();
1342   }
1343
1344
1345   int GetEdgeNodes( LightApp_SelectionMgr* theMgr, int& theId1, int& theId2 )
1346   {
1347     SALOME_ListIO selected; theMgr->selectedObjects( selected );
1348
1349     if ( selected.Extent() != 1 )
1350       return -1;
1351
1352     Handle(SALOME_InteractiveObject) anIO = selected.First();
1353     if ( anIO.IsNull() || !anIO->hasEntry() )
1354       return -1;
1355
1356     SMESH_Actor *anActor = SMESH::FindActorByEntry( anIO->getEntry() );
1357     if ( anActor == 0 )
1358       return -1;
1359
1360     TColStd_IndexedMapOfInteger aMapIndex;
1361     theMgr->GetIndexes( anIO, aMapIndex );
1362     if ( aMapIndex.Extent() != 2 )
1363       return -1;
1364
1365     int anObjId = -1, anEdgeNum = -1;
1366     for ( int i = 1; i <= aMapIndex.Extent(); i++ ) {
1367       int aVal = aMapIndex( i );
1368       if ( aVal > 0 )
1369         anObjId = aVal;
1370       else
1371         anEdgeNum = abs( aVal );
1372     }
1373
1374     if ( anObjId == -1 || anEdgeNum == -1 )
1375       return -1;
1376
1377     return anActor->GetObject()->GetEdgeNodes( anObjId, anEdgeNum, theId1, theId2 ) ? 1 : -1;
1378   }
1379
1380   void SetControlsPrecision( const long theVal )
1381   {
1382     if( SVTK_ViewWindow* aWnd = SMESH::GetCurrentVtkView() )
1383     {
1384       vtkRenderer *aRenderer = aWnd->getRenderer();
1385       VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
1386       vtkActorCollection *aCollection = aCopy.GetActors();
1387       aCollection->InitTraversal();
1388
1389       while ( vtkActor *anAct = aCollection->GetNextActor())
1390       {
1391         if ( SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>( anAct ) )
1392         {
1393           anActor->SetControlsPrecision( theVal );
1394           anActor->SetControlMode( anActor->GetControlMode() );
1395         }
1396       }
1397
1398     }
1399   }
1400
1401   //----------------------------------------------------------------------------
1402   // internal function
1403   void ComputeBoundsParam( double theBounds[6],
1404                            double theDirection[3],
1405                            double theMinPnt[3],
1406                            double& theMaxBoundPrj,
1407                            double& theMinBoundPrj )
1408   {
1409     //Enlarge bounds in order to avoid conflicts of precision
1410     for(int i = 0; i < 6; i += 2){
1411       static double EPS = 1.0E-3;
1412       double aDelta = (theBounds[i+1] - theBounds[i])*EPS;
1413       theBounds[i] -= aDelta;
1414       theBounds[i+1] += aDelta;
1415     }
1416
1417     double aBoundPoints[8][3] = { {theBounds[0],theBounds[2],theBounds[4]},
1418                                   {theBounds[1],theBounds[2],theBounds[4]},
1419                                   {theBounds[0],theBounds[3],theBounds[4]},
1420                                   {theBounds[1],theBounds[3],theBounds[4]},
1421                                   {theBounds[0],theBounds[2],theBounds[5]},
1422                                   {theBounds[1],theBounds[2],theBounds[5]},
1423                                   {theBounds[0],theBounds[3],theBounds[5]},
1424                                   {theBounds[1],theBounds[3],theBounds[5]}};
1425
1426     int aMaxId = 0;
1427     theMaxBoundPrj = vtkMath::Dot(theDirection,aBoundPoints[aMaxId]);
1428     theMinBoundPrj = theMaxBoundPrj;
1429     for(int i = 1; i < 8; i++){
1430       double aTmp = vtkMath::Dot(theDirection,aBoundPoints[i]);
1431       if(theMaxBoundPrj < aTmp){
1432         theMaxBoundPrj = aTmp;
1433         aMaxId = i;
1434       }
1435       if(theMinBoundPrj > aTmp){
1436         theMinBoundPrj = aTmp;
1437       }
1438     }
1439     double *aMinPnt = aBoundPoints[aMaxId];
1440     theMinPnt[0] = aMinPnt[0];
1441     theMinPnt[1] = aMinPnt[1];
1442     theMinPnt[2] = aMinPnt[2];
1443   }
1444
1445   // internal function
1446   void DistanceToPosition( double theBounds[6],
1447                            double theDirection[3],
1448                            double theDist,
1449                            double thePos[3] )
1450   {
1451     double aMaxBoundPrj, aMinBoundPrj, aMinPnt[3];
1452     ComputeBoundsParam(theBounds,theDirection,aMinPnt,aMaxBoundPrj,aMinBoundPrj);
1453     double aLength = (aMaxBoundPrj-aMinBoundPrj)*theDist;
1454     thePos[0] = aMinPnt[0]-theDirection[0]*aLength;
1455     thePos[1] = aMinPnt[1]-theDirection[1]*aLength;
1456     thePos[2] = aMinPnt[2]-theDirection[2]*aLength;
1457   }
1458
1459   // internal function (currently unused, left just in case)
1460   void PositionToDistance( double theBounds[6],
1461                            double theDirection[3],
1462                            double thePos[3],
1463                            double& theDist )
1464   {
1465     double aMaxBoundPrj, aMinBoundPrj, aMinPnt[3];
1466     ComputeBoundsParam(theBounds,theDirection,aMinPnt,aMaxBoundPrj,aMinBoundPrj);
1467     double aPrj = vtkMath::Dot(theDirection,thePos);
1468     theDist = (aPrj-aMinBoundPrj)/(aMaxBoundPrj-aMinBoundPrj);
1469   }
1470
1471   bool ComputeClippingPlaneParameters( std::list<vtkActor*> theActorList,
1472                                        double theNormal[3],
1473                                        double theDist,
1474                                        double theBounds[6],
1475                                        double theOrigin[3] )
1476   {
1477     bool anIsOk = false;
1478     anIsOk = ComputeBounds( theActorList, theBounds );
1479
1480
1481     if( !anIsOk )
1482       return false;
1483
1484     DistanceToPosition( theBounds, theNormal, theDist, theOrigin );
1485     return true;
1486   }
1487
1488   bool ComputeBounds( std::list<vtkActor*> theActorList,
1489                       double theBounds[6])
1490   {
1491     bool anIsOk = false;
1492     theBounds[0] = theBounds[2] = theBounds[4] = VTK_DOUBLE_MAX;
1493     theBounds[1] = theBounds[3] = theBounds[5] = -VTK_DOUBLE_MAX;
1494     std::list<vtkActor*>::iterator anIter = theActorList.begin();
1495     for( ; anIter != theActorList.end(); anIter++ ) {
1496       if( vtkActor* aVTKActor = *anIter ) {
1497         if( SMESH_Actor* anActor = SMESH_Actor::SafeDownCast( aVTKActor ) ) {
1498           double aBounds[6];
1499           anActor->GetUnstructuredGrid()->GetBounds( aBounds );
1500           theBounds[0] = std::min( theBounds[0], aBounds[0] );
1501           theBounds[1] = std::max( theBounds[1], aBounds[1] );
1502           theBounds[2] = std::min( theBounds[2], aBounds[2] );
1503           theBounds[3] = std::max( theBounds[3], aBounds[3] );
1504           theBounds[4] = std::min( theBounds[4], aBounds[4] );
1505           theBounds[5] = std::max( theBounds[5], aBounds[5] );
1506           anIsOk = true;
1507         }
1508       }
1509     }
1510     return anIsOk;
1511   }
1512
1513 #ifndef DISABLE_PLOT2DVIEWER
1514   //================================================================================
1515   /*!
1516    * \brief Find all SMESH_Actor's in the View Window.
1517    * If actor contains Plot2d_Histogram object remove it from each Plot2d Viewer.
1518    */
1519   //================================================================================
1520
1521   void ClearPlot2Viewers( SUIT_ViewWindow* theWindow )
1522   {
1523     if ( SVTK_ViewWindow* aViewWindow = GetVtkViewWindow(theWindow) ) {
1524       vtkRenderer *aRenderer = aViewWindow->getRenderer();
1525       VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
1526       vtkActorCollection *aCollection = aCopy.GetActors();
1527       aCollection->InitTraversal();
1528       while(vtkActor *anAct = aCollection->GetNextActor()){
1529         if(SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct)){
1530           if(anActor->hasIO() && anActor->GetPlot2Histogram() ){
1531             ProcessIn2DViewers(anActor,RemoveFrom2dViewer);
1532           }
1533         }
1534       }
1535     }
1536   }
1537
1538 #endif
1539
1540 } // end of namespace SMESH