src/SMESHGUI/SMESHGUI_VTKUtils.cxx

   1 // Copyright (C) 2007-2021  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         theActor->SetPointRepresentation(false);
 696         vtkWnd->AddActor(theActor);
 697         vtkWnd->Repaint();
 698       }
 699       catch (...) {
 700         MESSAGE ( "Exception in SMESHGUI_VTKUtils::DisplayActor()" );
 701         OnVisuException();
 702       }
 703     }
 704   }
 705
 706
 707   void RemoveActor( SUIT_ViewWindow *theWnd, SMESH_Actor* theActor)
 708   {
 709     if ( SVTK_ViewWindow* vtkWnd = GetVtkViewWindow(theWnd)) {
 710       //MESSAGE("RemoveActor " << theActor);
 711       vtkWnd->RemoveActor(theActor);
 712       if(theActor->hasIO()){
 713         Handle(SALOME_InteractiveObject) anIO = theActor->getIO();
 714         if(anIO->hasEntry()){
 715           std::string anEntry = anIO->getEntry();
 716           VISUAL_OBJ_CONT.erase(anEntry);
 717         }
 718       }
 719       theActor->Delete();
 720       vtkWnd->Repaint();
 721     }
 722   }
 723
 724   //================================================================================
 725   /*!
 726    * \brief Return true if there are no SMESH actors in a view
 727    */
 728   //================================================================================
 729
 730   bool NoSmeshActors(SUIT_ViewWindow *theWnd)
 731   {
 732     SUIT_ViewWindow* aWnd = ( theWnd == nullptr ) ? GetActiveWindow() : theWnd;
 733     if(SVTK_ViewWindow* aViewWindow = GetVtkViewWindow(aWnd)) {
 734       vtkRenderer *aRenderer = aViewWindow->getRenderer();
 735       VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
 736       vtkActorCollection *aCollection = aCopy.GetActors();
 737       aCollection->InitTraversal();
 738       while(vtkActor *anAct = aCollection->GetNextActor())
 739         if(dynamic_cast<SMESH_Actor*>(anAct))
 740           return false;
 741     }
 742     return true;
 743   }
 744
 745   bool UpdateView(SUIT_ViewWindow *theWnd, EDisplaing theAction, const char* theEntry)
 746   {
 747     //MESSAGE("UpdateView");
 748     bool OK = false;
 749     SVTK_ViewWindow* aViewWnd = GetVtkViewWindow(theWnd);
 750     if (!aViewWnd)
 751       return OK;
 752
 753     SVTK_ViewWindow* vtkWnd = GetVtkViewWindow(theWnd);
 754     if (!vtkWnd)
 755       return OK;
 756
 757     SalomeApp_Study* aStudy = dynamic_cast<SalomeApp_Study*>( vtkWnd->getViewManager()->study() );
 758
 759     if (!aStudy)
 760       return OK;
 761
 762     SUIT_ResourceMgr* resMgr;
 763     {
 764       OK = true;
 765       vtkRenderer *aRenderer = aViewWnd->getRenderer();
 766       VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
 767       vtkActorCollection *aCollection = aCopy.GetActors();
 768       aCollection->InitTraversal();
 769
 770       switch (theAction) {
 771       case eDisplayAll: {
 772         while (vtkActor *anAct = aCollection->GetNextActor()) {
 773           if (SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct)) {
 774             //MESSAGE("--- display " << anActor);
 775             anActor->SetVisibility(true);
 776
 777             if(anActor->hasIO()){
 778               Handle(SALOME_InteractiveObject) anIO = anActor->getIO();
 779               if(anIO->hasEntry()){
 780                 aStudy->setVisibilityState(anIO->getEntry(), Qtx::ShownState);
 781               }
 782             }
 783           }
 784         }
 785         break;
 786       }
 787       case eDisplayOnly:
 788       case eEraseAll: {
 789         //MESSAGE("---case eDisplayOnly");
 790         while (vtkActor *anAct = aCollection->GetNextActor()) {
 791           if (SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct)) {
 792             //MESSAGE("--- erase " << anActor);
 793             anActor->SetVisibility(false);
 794           }
 795         }
 796         aStudy->setVisibilityStateForAll(Qtx::HiddenState);
 797       }
 798       // fall through
 799       default: {
 800         if (SMESH_Actor *anActor = FindActorByEntry(theWnd,theEntry)) {
 801           switch (theAction) {
 802             case eDisplay:
 803             case eDisplayOnly:
 804               //MESSAGE("--- display " << anActor);
 805               anActor->Update();
 806               anActor->SetVisibility(true);
 807               if (theAction == eDisplayOnly) aRenderer->ResetCameraClippingRange();
 808               aStudy->setVisibilityState(theEntry, Qtx::ShownState);
 809               if (( theAction == eDisplayOnly ) &&
 810                   ( resMgr = SMESHGUI::resourceMgr() ) &&
 811                   ( resMgr->booleanValue( "SMESH", "fitall_on_displayonly", false )))
 812                 FitAll(); // PAL23615
 813               break;
 814             case eErase:
 815               //MESSAGE("--- erase " << anActor);
 816               anActor->SetVisibility(false);
 817               aStudy->setVisibilityState(theEntry, Qtx::HiddenState);
 818               break;
 819             default:;
 820           }
 821         } else {
 822           switch (theAction) {
 823           case eDisplay:
 824           case eDisplayOnly:
 825             {
 826               //MESSAGE("---");
 827               SalomeApp_Study* aStudy = dynamic_cast<SalomeApp_Study*>(theWnd->getViewManager()->study());
 828               TVisualObjPtr aVisualObj;
 829               if ( (aVisualObj = GetVisualObj(theEntry)) && aVisualObj->IsValid())
 830               {
 831                 if ((anActor = CreateActor(theEntry,true))) {
 832                   bool needFitAll = NoSmeshActors(theWnd); // fit for the first object only
 833                   DisplayActor(theWnd,anActor);
 834                   anActor->SetVisibility(true);
 835                   aStudy->setVisibilityState(theEntry, Qtx::ShownState);
 836                   // FitAll(); - PAL16770(Display of a group performs an automatic fit all)
 837                   if (( !needFitAll ) &&
 838                       ( theAction == eDisplayOnly ) &&
 839                       ( resMgr = SMESHGUI::resourceMgr() ))
 840                   {
 841                     needFitAll = resMgr->booleanValue( "SMESH", "fitall_on_displayonly", false );
 842                   }
 843                   if ( needFitAll )
 844                     FitAll();
 845                 }
 846                 else {
 847                   OK = false;
 848                 }
 849               }
 850               break;
 851             }
 852           default:;
 853           }
 854         }
 855       }
 856       }
 857     }
 858     return OK;
 859   }
 860
 861
 862   bool UpdateView(EDisplaing theAction, const char* theEntry) {
 863     //MESSAGE("UpdateView");
 864     SalomeApp_Study* aStudy = dynamic_cast< SalomeApp_Study* >( GetActiveStudy() );
 865     SalomeApp_Application* app = dynamic_cast< SalomeApp_Application* >( aStudy->application() );
 866     if ( SUIT_ViewManager* vm = app->activeViewManager() )
 867     {
 868       SUIT_ViewWindow *aWnd = vm->getActiveView();
 869       return UpdateView(aWnd,theAction,theEntry);
 870     }
 871     return false;
 872   }
 873
 874   void UpdateView( bool withChildrenOfSelected )
 875   {
 876     if ( SVTK_ViewWindow* aWnd = SMESH::GetCurrentVtkView()) {
 877       LightApp_SelectionMgr* mgr = SMESHGUI::selectionMgr();
 878       SALOME_ListIO selected; mgr->selectedObjects( selected );
 879
 880       if ( selected.Extent() == 0 ) {
 881         vtkRenderer* aRenderer = aWnd->getRenderer();
 882         VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
 883         vtkActorCollection *aCollection = aCopy.GetActors();
 884         aCollection->InitTraversal();
 885         while(vtkActor *anAct = aCollection->GetNextActor()){
 886           if(SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct)){
 887             if(anActor->hasIO())
 888               if (!Update(anActor->getIO(),anActor->GetVisibility()))
 889                 break; // avoid multiple warnings if visu failed
 890           }
 891         }
 892       }
 893       else
 894       {
 895         SALOME_ListIteratorOfListIO anIter( selected );
 896         for( ; anIter.More(); anIter.Next())
 897         {
 898           Handle(SALOME_InteractiveObject) anIO = anIter.Value();
 899           if ( !Update( anIO, true ))
 900             break; // avoid multiple warnings if visu failed
 901
 902           if ( withChildrenOfSelected ) // update all visible children
 903           {
 904             QString aFatherID = anIO->getEntry();
 905             vtkRenderer* aRenderer = aWnd->getRenderer();
 906             VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
 907             vtkActorCollection *aCollection = aCopy.GetActors();
 908             aCollection->InitTraversal();
 909             while ( vtkActor *anAct = aCollection->GetNextActor() ) {
 910               if ( SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>( anAct )) {
 911                 if ( anActor->hasIO() && anActor->GetVisibility() )
 912                 {
 913                   QString aChildID = anActor->getIO()->getEntry();
 914                   if ( aChildID.size() > aFatherID.size() &&
 915                        aChildID.startsWith( aFatherID ))
 916                     if ( ! Update( anActor->getIO(), true ))
 917                       break;
 918                 }
 919               }
 920             }
 921           }
 922         }
 923       }
 924       RepaintCurrentView();
 925     }
 926   }
 927
 928
 929   bool Update(const Handle(SALOME_InteractiveObject)& theIO, bool theDisplay)
 930   {
 931     //MESSAGE("Update");
 932     if ( TVisualObjPtr aVisualObj = SMESH::GetVisualObj(theIO->getEntry())) {
 933       if ( theDisplay )
 934         UpdateView(SMESH::eDisplay,theIO->getEntry());
 935       return true;
 936     }
 937     return false;
 938   }
 939
 940   bool UpdateNulData(const Handle(SALOME_InteractiveObject)& theIO, bool theDisplay)
 941   {
 942     //MESSAGE("UpdateNulData");
 943     if ( TVisualObjPtr aVisualObj = SMESH::GetVisualObj(theIO->getEntry(), true)) {
 944       if ( theDisplay )
 945         UpdateView(SMESH::eDisplay,theIO->getEntry());
 946       return true;
 947     }
 948     return false;
 949   }
 950
 951   void UpdateSelectionProp( SMESHGUI* theModule )
 952   {
 953     if( !theModule )
 954       return;
 955
 956     SalomeApp_Application* app = dynamic_cast< SalomeApp_Application* >( theModule->application() );
 957     if( !app )
 958     {
 959       MESSAGE( "UpdateSelectionProp: Application is null" );
 960       return;
 961     }
 962
 963     SUIT_ViewManager* vm = app->activeViewManager();
 964     if( !vm )
 965     {
 966       MESSAGE( "UpdateSelectionProp: View manager is null" );
 967       return;
 968     }
 969
 970     QVector<SUIT_ViewWindow*> views = vm->getViews();
 971
 972     SUIT_ResourceMgr* mgr = SMESH::GetResourceMgr( theModule );
 973     if( !mgr )
 974     {
 975       MESSAGE( "UpdateSelectionProp: Resource manager is null" );
 976       return;
 977     }
 978
 979     SMESH_ActorProps::props()->reset();
 980
 981     QColor
 982       //aHiColor = mgr->colorValue( "SMESH", "selection_object_color", Qt::white ),
 983       aSelColor = mgr->colorValue( "SMESH", "selection_element_color", Qt::yellow ),
 984       aPreColor = mgr->colorValue( "SMESH", "highlight_color", Qt::cyan );
 985
 986     int aElem0DSize = mgr->integerValue("SMESH", "elem0d_size", 5);
 987     // int aBallSize   = mgr->integerValue("SMESH", "ball_elem_size", 5);
 988     int aLineWidth  = mgr->integerValue("SMESH", "element_width", 1);
 989     int maxSize = aElem0DSize;
 990     if (aElem0DSize > maxSize) maxSize = aElem0DSize;
 991     if (aLineWidth > maxSize) maxSize = aLineWidth;
 992     //  if (aBallSize > maxSize) maxSize = aBallSize;
 993
 994     double
 995       SP1 = mgr->doubleValue( "SMESH", "selection_precision_node", 0.025 ),
 996       SP2 = mgr->doubleValue( "SMESH", "selection_precision_element", 0.001 ),
 997       SP3 = mgr->doubleValue( "SMESH", "selection_precision_object", 0.025 );
 998
 999     for ( int i=0, n=views.count(); i<n; i++ )
1000     {
1001       // update VTK viewer properties
1002       if ( SVTK_ViewWindow* aVtkView = GetVtkViewWindow( views[i] ))
1003       {
1004         // mesh element selection
1005         aVtkView->SetSelectionProp(aSelColor.red()/255.,
1006                                    aSelColor.green()/255.,
1007                                    aSelColor.blue()/255.);
1008         // tolerances
1009         aVtkView->SetSelectionTolerance(SP1, SP2, SP3);
1010
1011         // pre-selection
1012         aVtkView->SetPreselectionProp(aPreColor.red()/255.,
1013                                       aPreColor.green()/255.,
1014                                       aPreColor.blue()/255.);
1015         // update actors
1016         vtkRenderer* aRenderer = aVtkView->getRenderer();
1017         VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
1018         vtkActorCollection *aCollection = aCopy.GetActors();
1019         aCollection->InitTraversal();
1020         while ( vtkActor *anAct = aCollection->GetNextActor() ) {
1021           if ( SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct) ) {
1022             anActor->UpdateSelectionProps();
1023           }
1024         }
1025       }
1026     }
1027   }
1028
1029
1030   void UpdateFontProp( SMESHGUI* theModule )
1031   {
1032     if ( !theModule ) return;
1033
1034     SalomeApp_Application* app = dynamic_cast< SalomeApp_Application* >( theModule->application() );
1035     if ( !app ) return;
1036
1037     SUIT_ResourceMgr* mgr = SMESH::GetResourceMgr( theModule );
1038     if ( !mgr ) return;
1039     //
1040     double anRGBNd[3] = {1,1,1};
1041     SMESH::GetColor( "SMESH", "numbering_node_color", anRGBNd[0], anRGBNd[1], anRGBNd[2], QColor( 255, 255, 255 ) );
1042     int aSizeNd = 10;
1043     SMESH::LabelFont aFamilyNd = SMESH::FntTimes;
1044     bool aBoldNd    = true;
1045     bool anItalicNd = false;
1046     bool aShadowNd  = false;
1047
1048     if ( mgr->hasValue( "SMESH", "numbering_node_font" ) ) {
1049       QFont f = mgr->fontValue( "SMESH", "numbering_node_font" );
1050       if ( f.family()      == "Arial" )   aFamilyNd = SMESH::FntArial;
1051       else if ( f.family() == "Courier" ) aFamilyNd = SMESH::FntCourier;
1052       else if ( f.family() == "Times" )   aFamilyNd = SMESH::FntTimes;
1053       aBoldNd    = f.bold();
1054       anItalicNd = f.italic();
1055       aShadowNd  = f.overline();
1056       aSizeNd    = f.pointSize();
1057     }
1058     //
1059     double anRGBEl[3] = {0,1,0};
1060     SMESH::GetColor( "SMESH", "numbering_elem_color", anRGBEl[0], anRGBEl[1], anRGBEl[2], QColor( 0, 255, 0 ) );
1061     int aSizeEl = 12;
1062     SMESH::LabelFont aFamilyEl = SMESH::FntTimes;
1063     bool aBoldEl    = true;
1064     bool anItalicEl = false;
1065     bool aShadowEl  = false;
1066
1067     if ( mgr->hasValue( "SMESH", "numbering_elem_font" ) ) {
1068       QFont f = mgr->fontValue( "SMESH", "numbering_elem_font" );
1069
1070       if ( f.family()      == "Arial" )   aFamilyEl = SMESH::FntArial;
1071       else if ( f.family() == "Courier" ) aFamilyEl = SMESH::FntCourier;
1072       else if ( f.family() == "Times" )   aFamilyEl = SMESH::FntTimes;
1073       aBoldEl    = f.bold();
1074       anItalicEl = f.italic();
1075       aShadowEl  = f.overline();
1076       aSizeEl    = f.pointSize();
1077     }
1078     //
1079     ViewManagerList vmList;
1080     app->viewManagers( SVTK_Viewer::Type(), vmList );
1081     foreach ( SUIT_ViewManager* vm, vmList ) {
1082       QVector<SUIT_ViewWindow*> views = vm->getViews();
1083       foreach ( SUIT_ViewWindow* vw, views ) {
1084         // update VTK viewer properties
1085         if ( SVTK_ViewWindow* aVtkView = GetVtkViewWindow( vw ) ) {
1086           // update actors
1087           vtkRenderer* aRenderer = aVtkView->getRenderer();
1088           VTK::ActorCollectionCopy aCopy( aRenderer->GetActors() );
1089           vtkActorCollection* aCollection = aCopy.GetActors();
1090           aCollection->InitTraversal();
1091           while ( vtkActor* anAct = aCollection->GetNextActor() ) {
1092             if ( SMESH_NodeLabelActor* anActor = dynamic_cast< SMESH_NodeLabelActor* >( anAct ) ) {
1093               anActor->SetFontProperties( aFamilyNd, aSizeNd, aBoldNd, anItalicNd, aShadowNd, anRGBNd[0], anRGBNd[1], anRGBNd[2] );
1094             }
1095             else if ( SMESH_CellLabelActor* anActor = dynamic_cast< SMESH_CellLabelActor* >( anAct ) ) {
1096               anActor->SetFontProperties( aFamilyEl, aSizeEl, aBoldEl, anItalicEl, aShadowEl, anRGBEl[0], anRGBEl[1], anRGBEl[2] );
1097             }
1098           }
1099           aVtkView->Repaint( false );
1100         }
1101       }
1102     }
1103   }
1104
1105   //----------------------------------------------------------------------------
1106   SVTK_Selector*
1107   GetSelector(SUIT_ViewWindow *theWindow)
1108   {
1109     if(SVTK_ViewWindow* aWnd = GetVtkViewWindow(theWindow))
1110       return aWnd->GetSelector();
1111
1112     return NULL;
1113   }
1114
1115   void SetFilter(const Handle(VTKViewer_Filter)& theFilter,
1116                  SVTK_Selector* theSelector)
1117   {
1118     if (theSelector)
1119       theSelector->SetFilter(theFilter);
1120   }
1121
1122   Handle(VTKViewer_Filter) GetFilter(int theId, SVTK_Selector* theSelector)
1123   {
1124     return theSelector->GetFilter(theId);
1125   }
1126
1127   bool IsFilterPresent(int theId, SVTK_Selector* theSelector)
1128   {
1129     return theSelector->IsFilterPresent(theId);
1130   }
1131
1132   void RemoveFilter(int theId, SVTK_Selector* theSelector)
1133   {
1134     theSelector->RemoveFilter(theId);
1135   }
1136
1137   void RemoveFilters(SVTK_Selector* theSelector)
1138   {
1139     for ( int id = SMESH::NodeFilter; theSelector && id < SMESH::LastFilter; id++ )
1140       theSelector->RemoveFilter( id );
1141   }
1142
1143   bool IsValid(SALOME_Actor* theActor, int theCellId,
1144                SVTK_Selector* theSelector)
1145   {
1146     return theSelector->IsValid(theActor,theCellId);
1147   }
1148
1149
1150   //----------------------------------------------------------------------------
1151   void SetPointRepresentation(bool theIsVisible)
1152   {
1153     if ( SVTK_ViewWindow* aViewWindow = GetCurrentVtkView() ) {
1154       vtkRenderer *aRenderer = aViewWindow->getRenderer();
1155       VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
1156       vtkActorCollection *aCollection = aCopy.GetActors();
1157       aCollection->InitTraversal();
1158       while(vtkActor *anAct = aCollection->GetNextActor()){
1159         if(SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct)){
1160           if(anActor->GetVisibility()){
1161             anActor->SetPointRepresentation(theIsVisible);
1162           }
1163         }
1164       }
1165       RepaintCurrentView();
1166     }
1167   }
1168
1169
1170   void SetPickable(SMESH_Actor* theActor)
1171   {
1172     if ( SVTK_ViewWindow* aWnd = GetCurrentVtkView() ) {
1173       int anIsAllPickable = (theActor == NULL);
1174       vtkRenderer *aRenderer = aWnd->getRenderer();
1175       VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
1176       vtkActorCollection *aCollection = aCopy.GetActors();
1177       aCollection->InitTraversal();
1178       while(vtkActor *anAct = aCollection->GetNextActor()){
1179         if(SALOME_Actor *anActor = dynamic_cast<SALOME_Actor*>(anAct)){
1180           if(anActor->GetVisibility()){
1181             anActor->SetPickable(anIsAllPickable);
1182           }
1183         }
1184       }
1185       if(theActor)
1186         theActor->SetPickable(!anIsAllPickable);
1187       RepaintCurrentView();
1188     }
1189   }
1190
1191
1192   //----------------------------------------------------------------------------
1193   int GetNameOfSelectedNodes(SVTK_Selector*                          theSelector,
1194                              const Handle(SALOME_InteractiveObject)& theIO,
1195                              QString&                                theName)
1196   {
1197     theName = "";
1198     SVTK_TIndexedMapOfVtkId aMapIndex;
1199     theSelector->GetIndex(theIO,aMapIndex);
1200
1201     for(int i = 1; i <= aMapIndex.Extent(); i++)
1202       theName += QString(" %1").arg(aMapIndex(i));
1203
1204     return aMapIndex.Extent();
1205   }
1206
1207   int GetNameOfSelectedElements(SVTK_Selector* theSelector,
1208                                 const Handle(SALOME_InteractiveObject)& theIO,
1209                                 QString& theName)
1210   {
1211     theName = "";
1212     SVTK_TIndexedMapOfVtkId aMapIndex;
1213     theSelector->GetIndex(theIO,aMapIndex);
1214
1215     typedef std::set<vtkIdType> TIdContainer;
1216     TIdContainer anIdContainer;
1217     for( int i = 1; i <= aMapIndex.Extent(); i++)
1218       anIdContainer.insert(aMapIndex(i));
1219
1220     TIdContainer::const_iterator anIter = anIdContainer.begin();
1221     for( ; anIter != anIdContainer.end(); anIter++)
1222       theName += QString(" %1").arg(*anIter);
1223
1224     return aMapIndex.Extent();
1225   }
1226
1227
1228   int GetEdgeNodes(SVTK_Selector* theSelector,
1229                    const TVisualObjPtr& theVisualObject,
1230                    ::smIdType& theId1,
1231                    ::smIdType& theId2)
1232   {
1233     const SALOME_ListIO& selected = theSelector->StoredIObjects();
1234
1235     if ( selected.Extent() != 1 )
1236       return -1;
1237
1238     Handle(SALOME_InteractiveObject) anIO = selected.First();
1239     if ( anIO.IsNull() || !anIO->hasEntry() )
1240       return -1;
1241
1242     SVTK_TIndexedMapOfVtkId aMapIndex;
1243     theSelector->GetIndex( anIO, aMapIndex );
1244     if ( aMapIndex.Extent() != 2 )
1245       return -1;
1246
1247     ::smIdType anObjId = -1, anEdgeNum = -1;
1248     for ( ::smIdType i = 1; i <= aMapIndex.Extent(); i++ ) {
1249       ::smIdType aVal = aMapIndex( i );
1250       if ( aVal > 0 )
1251         anObjId = aVal;
1252       else
1253         anEdgeNum = abs( aVal ) - 1;
1254     }
1255
1256     if ( anObjId == -1 || anEdgeNum == -1 )
1257       return -1;
1258
1259     return theVisualObject->GetEdgeNodes( anObjId, anEdgeNum, theId1, theId2 ) ? 1 : -1;
1260   }
1261
1262   //----------------------------------------------------------------------------
1263   int GetNameOfSelectedNodes(LightApp_SelectionMgr *theMgr,
1264                              const Handle(SALOME_InteractiveObject)& theIO,
1265                              QString& theName)
1266   {
1267     theName = "";
1268     if(theIO->hasEntry()){
1269       if(FindActorByEntry(theIO->getEntry())){
1270         TColStd_IndexedMapOfInteger aMapIndex;
1271         theMgr->GetIndexes(theIO,aMapIndex);
1272         for(int i = 1; i <= aMapIndex.Extent(); i++){
1273           theName += QString(" %1").arg(aMapIndex(i));
1274         }
1275         return aMapIndex.Extent();
1276       }
1277     }
1278     return -1;
1279   }
1280
1281   int GetNameOfSelectedNodes(LightApp_SelectionMgr *theMgr, QString& theName)
1282   {
1283     theName = "";
1284     SALOME_ListIO selected; theMgr->selectedObjects( selected );
1285     if(selected.Extent() == 1){
1286       Handle(SALOME_InteractiveObject) anIO = selected.First();
1287       return GetNameOfSelectedNodes(theMgr,anIO,theName);
1288     }
1289     return -1;
1290   }
1291
1292
1293   int GetNameOfSelectedElements(LightApp_SelectionMgr *                 theMgr,
1294                                 const Handle(SALOME_InteractiveObject)& theIO,
1295                                 QString&                                theName)
1296   {
1297     theName = "";
1298     if(theIO->hasEntry()){
1299       if(FindActorByEntry(theIO->getEntry())){
1300         TColStd_IndexedMapOfInteger aMapIndex;
1301         theMgr->GetIndexes(theIO,aMapIndex);
1302         typedef std::set<int> TIdContainer;
1303         TIdContainer anIdContainer;
1304         for( int i = 1; i <= aMapIndex.Extent(); i++)
1305           anIdContainer.insert(aMapIndex(i));
1306         TIdContainer::const_iterator anIter = anIdContainer.begin();
1307         for( ; anIter != anIdContainer.end(); anIter++){
1308           theName += QString(" %1").arg(*anIter);
1309         }
1310         return aMapIndex.Extent();
1311       }
1312     }
1313     return -1;
1314   }
1315
1316
1317   int GetNameOfSelectedElements(LightApp_SelectionMgr *theMgr, QString& theName)
1318   {
1319     theName = "";
1320     SALOME_ListIO selected; theMgr->selectedObjects( selected );
1321
1322     if( selected.Extent() == 1){
1323       Handle(SALOME_InteractiveObject) anIO = selected.First();
1324       return GetNameOfSelectedElements(theMgr,anIO,theName);
1325     }
1326     return -1;
1327   }
1328
1329   int GetSelected(LightApp_SelectionMgr*       theMgr,
1330                   TColStd_IndexedMapOfInteger& theMap,
1331                   const bool                   /*theIsElement*/)
1332   {
1333     theMap.Clear();
1334     SALOME_ListIO selected; theMgr->selectedObjects( selected );
1335
1336     if ( selected.Extent() == 1 )
1337     {
1338       Handle(SALOME_InteractiveObject) anIO = selected.First();
1339       if ( anIO->hasEntry() ) {
1340         theMgr->GetIndexes( anIO, theMap );
1341       }
1342     }
1343     return theMap.Extent();
1344   }
1345
1346
1347   int GetEdgeNodes( LightApp_SelectionMgr* theMgr, ::smIdType& theId1, ::smIdType& theId2 )
1348   {
1349     SALOME_ListIO selected; theMgr->selectedObjects( selected );
1350
1351     if ( selected.Extent() != 1 )
1352       return -1;
1353
1354     Handle(SALOME_InteractiveObject) anIO = selected.First();
1355     if ( anIO.IsNull() || !anIO->hasEntry() )
1356       return -1;
1357
1358     SMESH_Actor *anActor = SMESH::FindActorByEntry( anIO->getEntry() );
1359     if ( anActor == 0 )
1360       return -1;
1361
1362     TColStd_IndexedMapOfInteger aMapIndex;
1363     theMgr->GetIndexes( anIO, aMapIndex );
1364     if ( aMapIndex.Extent() != 2 )
1365       return -1;
1366
1367     ::smIdType anObjId = -1, anEdgeNum = -1;
1368     for ( ::smIdType i = 1; i <= aMapIndex.Extent(); i++ ) {
1369       ::smIdType aVal = aMapIndex( i );
1370       if ( aVal > 0 )
1371         anObjId = aVal;
1372       else
1373         anEdgeNum = abs( aVal );
1374     }
1375
1376     if ( anObjId == -1 || anEdgeNum == -1 )
1377       return -1;
1378
1379     return anActor->GetObject()->GetEdgeNodes( anObjId, anEdgeNum, theId1, theId2 ) ? 1 : -1;
1380   }
1381
1382   void SetControlsPrecision( const long theVal )
1383   {
1384     if( SVTK_ViewWindow* aWnd = SMESH::GetCurrentVtkView() )
1385     {
1386       vtkRenderer *aRenderer = aWnd->getRenderer();
1387       VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
1388       vtkActorCollection *aCollection = aCopy.GetActors();
1389       aCollection->InitTraversal();
1390
1391       while ( vtkActor *anAct = aCollection->GetNextActor())
1392       {
1393         if ( SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>( anAct ) )
1394         {
1395           anActor->SetControlsPrecision( theVal );
1396           anActor->SetControlMode( anActor->GetControlMode() );
1397         }
1398       }
1399
1400     }
1401   }
1402
1403   //----------------------------------------------------------------------------
1404   // internal function
1405   void ComputeBoundsParam( double theBounds[6],
1406                            double theDirection[3],
1407                            double theMinPnt[3],
1408                            double& theMaxBoundPrj,
1409                            double& theMinBoundPrj )
1410   {
1411     //Enlarge bounds in order to avoid conflicts of precision
1412     for(int i = 0; i < 6; i += 2){
1413       static double EPS = 1.0E-3;
1414       double aDelta = (theBounds[i+1] - theBounds[i])*EPS;
1415       theBounds[i] -= aDelta;
1416       theBounds[i+1] += aDelta;
1417     }
1418
1419     double aBoundPoints[8][3] = { {theBounds[0],theBounds[2],theBounds[4]},
1420                                   {theBounds[1],theBounds[2],theBounds[4]},
1421                                   {theBounds[0],theBounds[3],theBounds[4]},
1422                                   {theBounds[1],theBounds[3],theBounds[4]},
1423                                   {theBounds[0],theBounds[2],theBounds[5]},
1424                                   {theBounds[1],theBounds[2],theBounds[5]},
1425                                   {theBounds[0],theBounds[3],theBounds[5]},
1426                                   {theBounds[1],theBounds[3],theBounds[5]}};
1427
1428     int aMaxId = 0;
1429     theMaxBoundPrj = vtkMath::Dot(theDirection,aBoundPoints[aMaxId]);
1430     theMinBoundPrj = theMaxBoundPrj;
1431     for(int i = 1; i < 8; i++){
1432       double aTmp = vtkMath::Dot(theDirection,aBoundPoints[i]);
1433       if(theMaxBoundPrj < aTmp){
1434         theMaxBoundPrj = aTmp;
1435         aMaxId = i;
1436       }
1437       if(theMinBoundPrj > aTmp){
1438         theMinBoundPrj = aTmp;
1439       }
1440     }
1441     double *aMinPnt = aBoundPoints[aMaxId];
1442     theMinPnt[0] = aMinPnt[0];
1443     theMinPnt[1] = aMinPnt[1];
1444     theMinPnt[2] = aMinPnt[2];
1445   }
1446
1447   // internal function
1448   void DistanceToPosition( double theBounds[6],
1449                            double theDirection[3],
1450                            double theDist,
1451                            double thePos[3] )
1452   {
1453     double aMaxBoundPrj, aMinBoundPrj, aMinPnt[3];
1454     ComputeBoundsParam(theBounds,theDirection,aMinPnt,aMaxBoundPrj,aMinBoundPrj);
1455     double aLength = (aMaxBoundPrj-aMinBoundPrj)*theDist;
1456     thePos[0] = aMinPnt[0]-theDirection[0]*aLength;
1457     thePos[1] = aMinPnt[1]-theDirection[1]*aLength;
1458     thePos[2] = aMinPnt[2]-theDirection[2]*aLength;
1459   }
1460
1461   // internal function (currently unused, left just in case)
1462   void PositionToDistance( double theBounds[6],
1463                            double theDirection[3],
1464                            double thePos[3],
1465                            double& theDist )
1466   {
1467     double aMaxBoundPrj, aMinBoundPrj, aMinPnt[3];
1468     ComputeBoundsParam(theBounds,theDirection,aMinPnt,aMaxBoundPrj,aMinBoundPrj);
1469     double aPrj = vtkMath::Dot(theDirection,thePos);
1470     theDist = (aPrj-aMinBoundPrj)/(aMaxBoundPrj-aMinBoundPrj);
1471   }
1472
1473   bool ComputeClippingPlaneParameters( std::list<vtkActor*> theActorList,
1474                                        double theNormal[3],
1475                                        double theDist,
1476                                        double theBounds[6],
1477                                        double theOrigin[3] )
1478   {
1479     bool anIsOk = false;
1480     anIsOk = ComputeBounds( theActorList, theBounds );
1481
1482
1483     if( !anIsOk )
1484       return false;
1485
1486     DistanceToPosition( theBounds, theNormal, theDist, theOrigin );
1487     return true;
1488   }
1489
1490   bool ComputeBounds( std::list<vtkActor*> theActorList,
1491                       double theBounds[6])
1492   {
1493     bool anIsOk = false;
1494     theBounds[0] = theBounds[2] = theBounds[4] = VTK_DOUBLE_MAX;
1495     theBounds[1] = theBounds[3] = theBounds[5] = -VTK_DOUBLE_MAX;
1496     std::list<vtkActor*>::iterator anIter = theActorList.begin();
1497     for( ; anIter != theActorList.end(); anIter++ ) {
1498       if( vtkActor* aVTKActor = *anIter ) {
1499         if( SMESH_Actor* anActor = SMESH_Actor::SafeDownCast( aVTKActor ) ) {
1500           double aBounds[6];
1501           anActor->GetUnstructuredGrid()->GetBounds( aBounds );
1502           theBounds[0] = std::min( theBounds[0], aBounds[0] );
1503           theBounds[1] = std::max( theBounds[1], aBounds[1] );
1504           theBounds[2] = std::min( theBounds[2], aBounds[2] );
1505           theBounds[3] = std::max( theBounds[3], aBounds[3] );
1506           theBounds[4] = std::min( theBounds[4], aBounds[4] );
1507           theBounds[5] = std::max( theBounds[5], aBounds[5] );
1508           anIsOk = true;
1509         }
1510       }
1511     }
1512     return anIsOk;
1513   }
1514
1515 #ifndef DISABLE_PLOT2DVIEWER
1516   //================================================================================
1517   /*!
1518    * \brief Find all SMESH_Actor's in the View Window.
1519    * If actor contains Plot2d_Histogram object remove it from each Plot2d Viewer.
1520    */
1521   //================================================================================
1522
1523   void ClearPlot2Viewers( SUIT_ViewWindow* theWindow )
1524   {
1525     if ( SVTK_ViewWindow* aViewWindow = GetVtkViewWindow(theWindow) ) {
1526       vtkRenderer *aRenderer = aViewWindow->getRenderer();
1527       VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
1528       vtkActorCollection *aCollection = aCopy.GetActors();
1529       aCollection->InitTraversal();
1530       while(vtkActor *anAct = aCollection->GetNextActor()){
1531         if(SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct)){
1532           if(anActor->hasIO() && anActor->GetPlot2Histogram() ){
1533             ProcessIn2DViewers(anActor,RemoveFrom2dViewer);
1534           }
1535         }
1536       }
1537     }
1538   }
1539
1540 #endif
1541
1542 } // end of namespace SMESH