src/SMESHGUI/SMESHGUI_VTKUtils.cxx

   1 // Copyright (C) 2007-2016  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_ActorUtils.h"
  36 #include "SMESH_CellLabelActor.h"
  37 #include "SMESH_ControlsDef.hxx"
  38 #include "SMESH_NodeLabelActor.h"
  39 #include "SMESH_ObjectDef.h"
  40
  41 // SALOME GUI includes
  42 #include <SUIT_Desktop.h>
  43 #include <SUIT_Session.h>
  44 #include <SUIT_MessageBox.h>
  45 #include <SUIT_ViewManager.h>
  46 #include <SUIT_ResourceMgr.h>
  47
  48 #include <SALOME_ListIO.hxx>
  49
  50 #include <SVTK_Selector.h>
  51 #include <SVTK_ViewModel.h>
  52 #include <SVTK_ViewWindow.h>
  53
  54 #include <VTKViewer_Algorithm.h>
  55
  56 #include <LightApp_SelectionMgr.h>
  57 #include <SalomeApp_Application.h>
  58 #include <SalomeApp_Study.h>
  59
  60 // SALOME KERNEL includes
  61 #include <utilities.h>
  62
  63 // IDL includes
  64 #include <SALOMEconfig.h>
  65 #include CORBA_CLIENT_HEADER(SMESH_Mesh)
  66 #include CORBA_CLIENT_HEADER(SMESH_Group)
  67
  68 // VTK includes
  69 #include <vtkMath.h>
  70 #include <vtkRenderer.h>
  71 #include <vtkActorCollection.h>
  72 #include <vtkUnstructuredGrid.h>
  73
  74 // OCCT includes
  75 #include <Standard_ErrorHandler.hxx>
  76
  77 namespace SMESH
  78 {
  79   typedef std::map<TKeyOfVisualObj,TVisualObjPtr> TVisualObjCont;
  80   static TVisualObjCont VISUAL_OBJ_CONT;
  81
  82   //=============================================================================
  83   /*!
  84    * \brief Allocate some memory at construction and release it at destruction.
  85    * Is used to be able to continue working after mesh generation or visualization
  86    * break due to lack of memory
  87    */
  88   //=============================================================================
  89
  90   struct MemoryReserve
  91   {
  92     char* myBuf;
  93     MemoryReserve(): myBuf( new char[1024*1024*1] ){} // 1M
  94     void Free() { if (myBuf) { delete [] myBuf; myBuf = 0; }}
  95     ~MemoryReserve() { Free(); }
  96   };
  97   static MemoryReserve* theVISU_MemoryReserve = new MemoryReserve;
  98
  99   //================================================================================
 100   /*!
 101    * \brief Remove VisualObj and its actor from all views
 102    */
 103   //================================================================================
 104
 105   void RemoveVisualObjectWithActors( const char* theEntry, bool fromAllViews )
 106   {
 107     SalomeApp_Application* app = dynamic_cast<SalomeApp_Application*>(SUIT_Session::session()->activeApplication());
 108     if(!app)
 109       return;
 110     SalomeApp_Study* aStudy  = dynamic_cast<SalomeApp_Study*>(app->activeStudy());
 111     if(!aStudy)
 112       return;
 113     ViewManagerList aList;
 114
 115     if(fromAllViews) {
 116       app->viewManagers(SVTK_Viewer::Type() , aList);
 117     } else {
 118       SUIT_ViewManager* aVM = app->getViewManager(SVTK_Viewer::Type(), true);
 119       if(aVM)
 120         aList.append(aVM);
 121     }
 122     bool actorRemoved = false;
 123     ViewManagerList::ConstIterator it = aList.begin();
 124     SUIT_ViewManager* aViewManager = 0;
 125     for( ; it!=aList.end();it++) {
 126       aViewManager = *it;
 127       QVector<SUIT_ViewWindow*> views = aViewManager->getViews();
 128       for ( int iV = 0; iV < views.count(); ++iV ) {
 129         if ( SMESH_Actor* actor = FindActorByEntry( views[iV], theEntry)) {
 130           if(SVTK_ViewWindow* vtkWnd = GetVtkViewWindow(views[iV])) {
 131             vtkWnd->RemoveActor(actor);
 132             actorRemoved = true;
 133           }
 134           actor->Delete();
 135         }
 136       }
 137     }
 138
 139     if (aViewManager ) {
 140       int aStudyId = aViewManager->study()->id();
 141       TVisualObjCont::key_type aKey(aStudyId,theEntry);
 142       TVisualObjCont::iterator anIter = VISUAL_OBJ_CONT.find(aKey);
 143       if(anIter != VISUAL_OBJ_CONT.end()) {
 144         // for unknown reason, object destructor is not called, so clear object manually
 145         anIter->second->GetUnstructuredGrid()->SetCells(0,0,0,0,0);
 146         anIter->second->GetUnstructuredGrid()->SetPoints(0);
 147       }
 148       VISUAL_OBJ_CONT.erase(aKey);
 149     }
 150
 151     if(actorRemoved)
 152       aStudy->setVisibilityState(theEntry, Qtx::HiddenState);
 153   }
 154   //================================================================================
 155   /*!
 156    * \brief Remove all VisualObjs and their actors from all views
 157    */
 158   //================================================================================
 159
 160   void RemoveAllObjectsWithActors()
 161   {
 162     SalomeApp_Application* app = dynamic_cast<SalomeApp_Application*>
 163       ( SUIT_Session::session()->activeApplication() );
 164     if (!app) return;
 165     ViewManagerList viewMgrs = app->viewManagers();
 166     for ( int iM = 0; iM < viewMgrs.count(); ++iM ) {
 167       SUIT_ViewManager* aViewManager = viewMgrs.at( iM );
 168       if ( aViewManager && aViewManager->getType() == SVTK_Viewer::Type()) {
 169         QVector<SUIT_ViewWindow*> views = aViewManager->getViews();
 170         for ( int iV = 0; iV < views.count(); ++iV ) {
 171           if(SVTK_ViewWindow* vtkWnd = GetVtkViewWindow(views[iV])) {
 172             vtkRenderer *aRenderer = vtkWnd->getRenderer();
 173             VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
 174             vtkActorCollection *actors = aCopy.GetActors();
 175             for (int i = 0; i < actors->GetNumberOfItems(); ++i ) {
 176               // size of actors changes inside the loop
 177               if (SMESH_Actor *actor = dynamic_cast<SMESH_Actor*>(actors->GetItemAsObject(i)))
 178               {
 179                 vtkWnd->RemoveActor(actor);
 180                 actor->Delete();
 181               }
 182             }
 183           }
 184         }
 185       }
 186     }
 187     TVisualObjCont::iterator anIter = VISUAL_OBJ_CONT.begin();
 188     for ( ; anIter != VISUAL_OBJ_CONT.end(); ++anIter ) {
 189       // for unknown reason, object destructor is not called, so clear object manually
 190       anIter->second->GetUnstructuredGrid()->SetCells(0,0,0,0,0);
 191       anIter->second->GetUnstructuredGrid()->SetPoints(0);
 192     }
 193     VISUAL_OBJ_CONT.clear();
 194   }
 195
 196   //================================================================================
 197   /*!
 198    * \brief Remove all VisualObjs of a study
 199    */
 200   //================================================================================
 201
 202   void RemoveVisuData(int studyID)
 203   {
 204     SalomeApp_Application* app = dynamic_cast<SalomeApp_Application*>
 205       ( SUIT_Session::session()->activeApplication() );
 206     if (!app) return;
 207     ViewManagerList viewMgrs = app->viewManagers();
 208     for ( int iM = 0; iM < viewMgrs.count(); ++iM ) {
 209       SUIT_ViewManager* aViewManager = viewMgrs.at( iM );
 210       if ( aViewManager && aViewManager->getType() == SVTK_Viewer::Type() &&
 211            aViewManager->study()->id() == studyID ) {
 212         QVector<SUIT_ViewWindow*> views = aViewManager->getViews();
 213         for ( int iV = 0; iV < views.count(); ++iV ) {
 214           if(SVTK_ViewWindow* vtkWnd = GetVtkViewWindow(views[iV])) {
 215             vtkRenderer *aRenderer = vtkWnd->getRenderer();
 216             VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
 217             vtkActorCollection *actors = aCopy.GetActors();
 218             for (int i = 0; i < actors->GetNumberOfItems(); ++i ) {
 219               // size of actors changes inside the loop
 220               if(SMESH_Actor *actor = dynamic_cast<SMESH_Actor*>(actors->GetItemAsObject(i)))
 221               {
 222                 vtkWnd->RemoveActor(actor);
 223                 actor->Delete();
 224               }
 225             }
 226           }
 227         }
 228       }
 229     }
 230     TVisualObjCont::iterator anIter = VISUAL_OBJ_CONT.begin();
 231     for ( ; anIter != VISUAL_OBJ_CONT.end(); ) {
 232       int curId = anIter->first.first;
 233       if ( curId == studyID ) {
 234         // for unknown reason, object destructor is not called, so clear object manually
 235         anIter->second->GetUnstructuredGrid()->SetCells(0,0,0,0,0);
 236         anIter->second->GetUnstructuredGrid()->SetPoints(0);
 237         VISUAL_OBJ_CONT.erase( anIter++ ); // anIter++ returns a copy of self before incrementing
 238       }
 239       else {
 240         anIter++;
 241       }
 242     }
 243   }
 244
 245   //================================================================================
 246   /*!
 247    * \brief Notify the user on problems during visualization
 248    */
 249   //================================================================================
 250
 251   void OnVisuException()
 252   {
 253     try {
 254 #if (OCC_VERSION_MAJOR << 16 | OCC_VERSION_MINOR << 8 | OCC_VERSION_MAINTENANCE) > 0x060100
 255       OCC_CATCH_SIGNALS;
 256 #endif
 257       // PAL16774 (Crash after display of many groups). Salome sometimes crashes just
 258       // after or at showing this message, so we do an additional check of available memory
 259 //       char* buf = new char[100*1024];
 260 //       delete [] buf;
 261       SUIT_MessageBox::warning(SMESHGUI::desktop(), QObject::tr("SMESH_WRN_WARNING"),
 262                                QObject::tr("SMESH_VISU_PROBLEM"));
 263     } catch (...) {
 264       // no more memory at all: last resort
 265       MESSAGE_BEGIN ( "SMESHGUI_VTKUtils::OnVisuException(), exception even at showing a message!!!" <<
 266                       std::endl << "Try to remove all visual data..." );
 267       if (theVISU_MemoryReserve) {
 268         delete theVISU_MemoryReserve;
 269         theVISU_MemoryReserve = 0;
 270       }
 271       RemoveAllObjectsWithActors();
 272       SUIT_MessageBox::warning(SMESHGUI::desktop(), QObject::tr("SMESH_WRN_WARNING"),
 273                                QObject::tr("SMESH_VISU_PROBLEM_CLEAR"));
 274       MESSAGE_END ( "...done" );
 275     }
 276   }
 277   //================================================================================
 278   /*!
 279    * \brief Returns an updated visual object
 280    */
 281   //================================================================================
 282
 283   TVisualObjPtr GetVisualObj(int theStudyId, const char* theEntry, bool nulData){
 284     TVisualObjPtr aVisualObj;
 285     TVisualObjCont::key_type aKey(theStudyId,theEntry);
 286     try{
 287 #if (OCC_VERSION_MAJOR << 16 | OCC_VERSION_MINOR << 8 | OCC_VERSION_MAINTENANCE) > 0x060100
 288       OCC_CATCH_SIGNALS;
 289 #endif
 290       TVisualObjCont::iterator anIter = VISUAL_OBJ_CONT.find(aKey);
 291       if(anIter != VISUAL_OBJ_CONT.end()){
 292         aVisualObj = anIter->second;
 293       }else{
 294         SalomeApp_Application* app =
 295           dynamic_cast<SalomeApp_Application*>( SMESHGUI::activeStudy()->application() );
 296         _PTR(Study) aStudy = SMESHGUI::activeStudy()->studyDS();
 297         _PTR(SObject) aSObj = aStudy->FindObjectID(theEntry);
 298         if(aSObj){
 299           _PTR(GenericAttribute) anAttr;
 300           if(aSObj->FindAttribute(anAttr,"AttributeIOR")){
 301             _PTR(AttributeIOR) anIOR = anAttr;
 302             CORBA::String_var aVal = anIOR->Value().c_str();
 303             CORBA::Object_var anObj = app->orb()->string_to_object( aVal.in() );
 304             if(!CORBA::is_nil(anObj)){
 305               //Try narrow to SMESH_Mesh interface
 306               SMESH::SMESH_Mesh_var aMesh = SMESH::SMESH_Mesh::_narrow(anObj);
 307               if(!aMesh->_is_nil()){
 308                 aVisualObj.reset(new SMESH_MeshObj(aMesh));
 309                 TVisualObjCont::value_type aValue(aKey,aVisualObj);
 310                 VISUAL_OBJ_CONT.insert(aValue);
 311               }
 312               //Try narrow to SMESH_Group interface
 313               SMESH::SMESH_GroupBase_var aGroup = SMESH::SMESH_GroupBase::_narrow(anObj);
 314               if(!aGroup->_is_nil()){
 315                 _PTR(SObject) aFatherSObj = aSObj->GetFather();
 316                 if(!aFatherSObj) return aVisualObj;
 317                 aFatherSObj = aFatherSObj->GetFather();
 318                 if(!aFatherSObj) return aVisualObj;
 319                 CORBA::String_var anEntry = aFatherSObj->GetID().c_str();
 320                 TVisualObjPtr aVisObj = GetVisualObj(theStudyId,anEntry.in());
 321                 if(SMESH_MeshObj* aMeshObj = dynamic_cast<SMESH_MeshObj*>(aVisObj.get())){
 322                   aVisualObj.reset(new SMESH_GroupObj(aGroup,aMeshObj));
 323                   TVisualObjCont::value_type aValue(aKey,aVisualObj);
 324                   VISUAL_OBJ_CONT.insert(aValue);
 325                 }
 326               }
 327               //Try narrow to SMESH_subMesh interface
 328               SMESH::SMESH_subMesh_var aSubMesh = SMESH::SMESH_subMesh::_narrow(anObj);
 329               if(!aSubMesh->_is_nil()){
 330                 _PTR(SObject) aFatherSObj = aSObj->GetFather();
 331                 if(!aFatherSObj) return aVisualObj;
 332                 aFatherSObj = aFatherSObj->GetFather();
 333                 if(!aFatherSObj) return aVisualObj;
 334                 CORBA::String_var anEntry = aFatherSObj->GetID().c_str();
 335                 TVisualObjPtr aVisObj = GetVisualObj(theStudyId,anEntry.in());
 336                 if(SMESH_MeshObj* aMeshObj = dynamic_cast<SMESH_MeshObj*>(aVisObj.get())){
 337                   aVisualObj.reset(new SMESH_subMeshObj(aSubMesh,aMeshObj));
 338                   TVisualObjCont::value_type aValue(aKey,aVisualObj);
 339                   VISUAL_OBJ_CONT.insert(aValue);
 340                 }
 341               }
 342             }
 343           }
 344         }
 345       }
 346     }catch(...){
 347       INFOS("GetMeshObj - There is no SMESH_Mesh object for the SALOMEDS::Strudy and Entry!!!");
 348       return TVisualObjPtr();
 349     }
 350     // Update object
 351     bool objModified = false;
 352     if ( aVisualObj ) {
 353       try {
 354 #if (OCC_VERSION_MAJOR << 16 | OCC_VERSION_MINOR << 8 | OCC_VERSION_MAINTENANCE) > 0x060100
 355         OCC_CATCH_SIGNALS;
 356 #endif
 357         //MESSAGE("GetVisualObj");
 358         if (nulData)
 359                 objModified = aVisualObj->NulData();
 360         else
 361           objModified = aVisualObj->Update();
 362       }
 363       catch (...) {
 364 #ifdef _DEBUG_
 365         MESSAGE ( "Exception in SMESHGUI_VTKUtils::GetVisualObj()" );
 366 #endif
 367         RemoveVisualObjectWithActors( theEntry ); // remove this object
 368         OnVisuException();
 369         aVisualObj.reset();
 370       }
 371     }
 372
 373     if ( objModified ) {
 374       // PAL16631. Mesurements showed that to show aVisualObj in SHADING(default) mode,
 375       // ~5 times more memory is used than it occupies.
 376       // Warn the user if there is less free memory than 30 sizes of a grid
 377       // TODO: estimate memory usage in other modes and take current mode into account
 378       int freeMB = SMDS_Mesh::CheckMemory(true);
 379       int usedMB = aVisualObj->GetUnstructuredGrid()->GetActualMemorySize() / 1024;
 380       MESSAGE("SMESHGUI_VTKUtils::GetVisualObj(), freeMB=" << freeMB << ", usedMB=" <<usedMB);
 381       if ( freeMB > 0 && usedMB * 5 > freeMB ) {
 382        bool continu = false;
 383        if ( usedMB * 3 > freeMB )
 384          // even dont try to show
 385          SUIT_MessageBox::warning(SMESHGUI::desktop(), QObject::tr("SMESH_WRN_WARNING"),
 386                                   QObject::tr("SMESH_NO_MESH_VISUALIZATION"));
 387        else
 388          // there is a chance to succeed
 389          continu = SUIT_MessageBox::warning
 390            (SMESHGUI::desktop(),
 391             QObject::tr("SMESH_WRN_WARNING"),
 392             QObject::tr("SMESH_CONTINUE_MESH_VISUALIZATION"),
 393             SUIT_MessageBox::Yes | SUIT_MessageBox::No,
 394             SUIT_MessageBox::Yes ) == SUIT_MessageBox::Yes;
 395        if ( !continu ) {
 396          // remove the corresponding actors from all views
 397          RemoveVisualObjectWithActors( theEntry );
 398          aVisualObj.reset();
 399        }
 400       }
 401     }
 402
 403     return aVisualObj;
 404   }
 405
 406
 407   /*! Return active view window, if it instantiates SVTK_ViewWindow class,
 408    *  overwise find or create corresponding view window, make it active and return it.
 409    *  \note Active VVTK_ViewWindow can be returned, because it inherits SVTK_ViewWindow.
 410    */
 411   SVTK_ViewWindow* GetViewWindow (const SalomeApp_Module* theModule,
 412                                   bool createIfNotFound)
 413   {
 414     SalomeApp_Application* anApp;
 415     if (theModule)
 416       anApp = theModule->getApp();
 417     else
 418       anApp = dynamic_cast<SalomeApp_Application*>
 419         (SUIT_Session::session()->activeApplication());
 420
 421     if (anApp) {
 422       if (SVTK_ViewWindow* aView = dynamic_cast<SVTK_ViewWindow*>(anApp->desktop()->activeWindow()))
 423         return aView;
 424
 425       SUIT_ViewManager* aViewManager =
 426         anApp->getViewManager(SVTK_Viewer::Type(), createIfNotFound);
 427       if (aViewManager) {
 428         if (SUIT_ViewWindow* aViewWindow = aViewManager->getActiveView()) {
 429           if (SVTK_ViewWindow* aView = dynamic_cast<SVTK_ViewWindow*>(aViewWindow)) {
 430             aViewWindow->raise();
 431             aViewWindow->setFocus();
 432             return aView;
 433           }
 434         }
 435       }
 436     }
 437     return NULL;
 438   }
 439
 440   SVTK_ViewWindow* FindVtkViewWindow (SUIT_ViewManager* theMgr,
 441                                       SUIT_ViewWindow * theWindow)
 442   {
 443     if( !theMgr )
 444       return NULL;
 445
 446     QVector<SUIT_ViewWindow*> views = theMgr->getViews();
 447     if( views.contains( theWindow ) )
 448       return GetVtkViewWindow( theWindow );
 449     else
 450       return NULL;
 451   }
 452
 453   SVTK_ViewWindow* GetVtkViewWindow(SUIT_ViewWindow* theWindow){
 454     return dynamic_cast<SVTK_ViewWindow*>(theWindow);
 455   }
 456
 457 /*  SUIT_ViewWindow* GetActiveWindow()
 458   {
 459     SalomeApp_Application* app = dynamic_cast<SalomeApp_Application*>( SUIT_Session::session()->activeApplication() );
 460     if( !app )
 461       return NULL;
 462     SUIT_ViewManager* mgr = app->activeViewManager();
 463     if( mgr )
 464       return mgr->getActiveView();
 465     else
 466       return NULL;
 467   }*/
 468
 469   SVTK_ViewWindow* GetCurrentVtkView(){
 470     return GetVtkViewWindow( GetActiveWindow() );
 471   }
 472
 473
 474   void RepaintCurrentView()
 475   {
 476     if (SVTK_ViewWindow* wnd = GetCurrentVtkView())
 477     {
 478       try {
 479 #if (OCC_VERSION_MAJOR << 16 | OCC_VERSION_MINOR << 8 | OCC_VERSION_MAINTENANCE) > 0x060100
 480         OCC_CATCH_SIGNALS;
 481 #endif
 482         wnd->getRenderer()->Render();
 483         wnd->Repaint(false);
 484       }
 485       catch (...) {
 486 #ifdef _DEBUG_
 487         MESSAGE ( "Exception in SMESHGUI_VTKUtils::RepaintCurrentView()" );
 488 #endif
 489         OnVisuException();
 490       }
 491     }
 492   }
 493
 494   void RepaintViewWindow(SVTK_ViewWindow* theWindow)
 495   {
 496     try {
 497 #if (OCC_VERSION_MAJOR << 16 | OCC_VERSION_MINOR << 8 | OCC_VERSION_MAINTENANCE) > 0x060100
 498       OCC_CATCH_SIGNALS;
 499 #endif
 500       theWindow->getRenderer()->Render();
 501       theWindow->Repaint();
 502     }
 503     catch (...) {
 504 #ifdef _DEBUG_
 505       MESSAGE ( "Exception in SMESHGUI_VTKUtils::RepaintViewWindow(SVTK_ViewWindow*)" );
 506 #endif
 507       OnVisuException();
 508     }
 509   }
 510
 511   void RenderViewWindow(SVTK_ViewWindow* theWindow)
 512   {
 513     try {
 514 #if (OCC_VERSION_MAJOR << 16 | OCC_VERSION_MINOR << 8 | OCC_VERSION_MAINTENANCE) > 0x060100
 515       OCC_CATCH_SIGNALS;
 516 #endif
 517       theWindow->getRenderer()->Render();
 518       theWindow->Repaint();
 519     }
 520     catch (...) {
 521 #ifdef _DEBUG_
 522       MESSAGE ( "Exception in SMESHGUI_VTKUtils::RenderViewWindow(SVTK_ViewWindow*)" );
 523 #endif
 524       OnVisuException();
 525     }
 526   }
 527
 528   void FitAll(){
 529     if(SVTK_ViewWindow* wnd = GetCurrentVtkView() ){
 530       try {
 531 #if (OCC_VERSION_MAJOR << 16 | OCC_VERSION_MINOR << 8 | OCC_VERSION_MAINTENANCE) > 0x060100
 532         OCC_CATCH_SIGNALS;
 533 #endif
 534         wnd->onFitAll();
 535         wnd->Repaint();
 536       }
 537       catch (...) {
 538 #ifdef _DEBUG_
 539         MESSAGE ( "Exception in SMESHGUI_VTKUtils::FitAll()" );
 540 #endif
 541         OnVisuException();
 542       }
 543     }
 544   }
 545
 546
 547   SMESH_Actor* FindActorByEntry(SUIT_ViewWindow *theWindow,
 548                                 const char* theEntry)
 549   {
 550     if(SVTK_ViewWindow* aViewWindow = GetVtkViewWindow(theWindow)){
 551       vtkRenderer *aRenderer = aViewWindow->getRenderer();
 552       VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
 553       vtkActorCollection *aCollection = aCopy.GetActors();
 554       aCollection->InitTraversal();
 555       while(vtkActor *anAct = aCollection->GetNextActor()){
 556         if(SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct)){
 557           if(anActor->hasIO()){
 558             Handle(SALOME_InteractiveObject) anIO = anActor->getIO();
 559             if(anIO->hasEntry() && strcmp(anIO->getEntry(),theEntry) == 0){
 560               return anActor;
 561             }
 562           }
 563         }
 564       }
 565     }
 566     return NULL;
 567   }
 568
 569
 570   SMESH_Actor* FindActorByEntry(const char* theEntry){
 571     return FindActorByEntry(GetActiveWindow(),theEntry);
 572   }
 573
 574
 575   SMESH_Actor* FindActorByObject(CORBA::Object_ptr theObject){
 576     SalomeApp_Application* app = dynamic_cast<SalomeApp_Application*>( SUIT_Session::session()->activeApplication() );
 577     if( !app )
 578       return NULL;
 579
 580     if(!CORBA::is_nil(theObject)){
 581       _PTR(Study) aStudy = GetActiveStudyDocument();
 582       CORBA::String_var anIOR = app->orb()->object_to_string( theObject );
 583       _PTR(SObject) aSObject = aStudy->FindObjectIOR(anIOR.in());
 584       if(aSObject){
 585         CORBA::String_var anEntry = aSObject->GetID().c_str();
 586         return FindActorByEntry(anEntry.in());
 587       }
 588     }
 589     return NULL;
 590   }
 591
 592
 593   SMESH_Actor* CreateActor(_PTR(Study) theStudy,
 594                            const char* theEntry,
 595                            int theIsClear)
 596   {
 597     SMESH_Actor *anActor = NULL;
 598     CORBA::Long anId = theStudy->StudyId();
 599     if(TVisualObjPtr aVisualObj = GetVisualObj(anId,theEntry)){
 600       _PTR(SObject) aSObj = theStudy->FindObjectID(theEntry);
 601       if(aSObj){
 602         _PTR(GenericAttribute) anAttr;
 603         if(aSObj->FindAttribute(anAttr,"AttributeName")){
 604           _PTR(AttributeName) aName = anAttr;
 605           std::string aNameVal = aName->Value();
 606           anActor = SMESH_Actor::New(aVisualObj,theEntry,aNameVal.c_str(),theIsClear);
 607         }
 608
 609         SMESH::SMESH_GroupBase_var aGroup = SMESH::SMESH_GroupBase::_narrow( SMESH::SObjectToObject( aSObj ));
 610         if(!CORBA::is_nil(aGroup) && anActor)
 611         {
 612           QColor c;
 613           int deltaF, deltaV;
 614           SMESH::GetColor( "SMESH", "fill_color", c, deltaF, "0,170,255|-100"  );
 615           SMESH::GetColor( "SMESH", "volume_color", c, deltaV, "255,0,170|-100"  );
 616           c = SMESH::GetColor( "SMESH", "default_grp_color", c );
 617           SALOMEDS::Color aColor = aGroup->GetColor();
 618           if( !( aColor.R > 0 || aColor.G > 0 || aColor.B > 0 ))
 619           {
 620             aColor.R = c.redF();
 621             aColor.G = c.greenF();
 622             aColor.B = c.blueF();
 623             aGroup->SetColor( aColor );
 624           }
 625           if( aGroup->GetType() == SMESH::NODE )
 626             anActor->SetNodeColor( aColor.R, aColor.G, aColor.B );
 627           else if( aGroup->GetType() == SMESH::EDGE )
 628             anActor->SetEdgeColor( aColor.R, aColor.G, aColor.B );
 629           else if( aGroup->GetType() == SMESH::ELEM0D )
 630             anActor->Set0DColor( aColor.R, aColor.G, aColor.B );
 631           else if( aGroup->GetType() == SMESH::BALL )
 632             anActor->SetBallColor( aColor.R, aColor.G, aColor.B );
 633           else if( aGroup->GetType() == SMESH::VOLUME )
 634             anActor->SetVolumeColor( aColor.R, aColor.G, aColor.B, deltaV );
 635           else
 636             anActor->SetSufaceColor( aColor.R, aColor.G, aColor.B, deltaF );
 637         }
 638       }
 639     }
 640     MESSAGE("CreateActor " << anActor);
 641     if( anActor )
 642       if( SMESHGUI* aSMESHGUI = SMESHGUI::GetSMESHGUI() )
 643         aSMESHGUI->addActorAsObserver( anActor );
 644     return anActor;
 645   }
 646
 647
 648   void DisplayActor( SUIT_ViewWindow *theWnd, SMESH_Actor* theActor){
 649     if(SVTK_ViewWindow* vtkWnd = GetVtkViewWindow(theWnd)){
 650       try {
 651 #if (OCC_VERSION_MAJOR << 16 | OCC_VERSION_MINOR << 8 | OCC_VERSION_MAINTENANCE) > 0x060100
 652         OCC_CATCH_SIGNALS;
 653 #endif
 654         MESSAGE("DisplayActor " << theActor);
 655         vtkWnd->AddActor(theActor);
 656         vtkWnd->Repaint();
 657       }
 658       catch (...) {
 659 #ifdef _DEBUG_
 660         MESSAGE ( "Exception in SMESHGUI_VTKUtils::DisplayActor()" );
 661 #endif
 662         OnVisuException();
 663       }
 664     }
 665   }
 666
 667
 668   void RemoveActor( SUIT_ViewWindow *theWnd, SMESH_Actor* theActor){
 669     if(SVTK_ViewWindow* vtkWnd = GetVtkViewWindow(theWnd)){
 670         MESSAGE("RemoveActor " << theActor);
 671       vtkWnd->RemoveActor(theActor);
 672       if(theActor->hasIO()){
 673         Handle(SALOME_InteractiveObject) anIO = theActor->getIO();
 674         if(anIO->hasEntry()){
 675           std::string anEntry = anIO->getEntry();
 676           SalomeApp_Study* aStudy = dynamic_cast<SalomeApp_Study*>( vtkWnd->getViewManager()->study() );
 677           int aStudyId = aStudy->id();
 678           TVisualObjCont::key_type aKey(aStudyId,anEntry);
 679           VISUAL_OBJ_CONT.erase(aKey);
 680         }
 681       }
 682       theActor->Delete();
 683       vtkWnd->Repaint();
 684     }
 685   }
 686
 687   //================================================================================
 688   /*!
 689    * \brief Return true if there are no SMESH actors in a view
 690    */
 691   //================================================================================
 692
 693   bool noSmeshActors(SUIT_ViewWindow *theWnd)
 694   {
 695     if(SVTK_ViewWindow* aViewWindow = GetVtkViewWindow(theWnd)) {
 696       vtkRenderer *aRenderer = aViewWindow->getRenderer();
 697       VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
 698       vtkActorCollection *aCollection = aCopy.GetActors();
 699       aCollection->InitTraversal();
 700       while(vtkActor *anAct = aCollection->GetNextActor())
 701         if(dynamic_cast<SMESH_Actor*>(anAct))
 702           return false;
 703     }
 704     return true;
 705   }
 706
 707   bool UpdateView(SUIT_ViewWindow *theWnd, EDisplaing theAction, const char* theEntry)
 708   {
 709         //MESSAGE("UpdateView");
 710     bool OK = false;
 711     SVTK_ViewWindow* aViewWnd = GetVtkViewWindow(theWnd);
 712     if (!aViewWnd)
 713       return OK;
 714
 715     SVTK_ViewWindow* vtkWnd = GetVtkViewWindow(theWnd);
 716     if (!vtkWnd)
 717       return OK;
 718
 719     SalomeApp_Study* aStudy = dynamic_cast<SalomeApp_Study*>( vtkWnd->getViewManager()->study() );
 720
 721     if (!aStudy)
 722       return OK;
 723
 724     {
 725       OK = true;
 726       vtkRenderer *aRenderer = aViewWnd->getRenderer();
 727       VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
 728       vtkActorCollection *aCollection = aCopy.GetActors();
 729       aCollection->InitTraversal();
 730
 731       switch (theAction) {
 732       case eDisplayAll: {
 733         while (vtkActor *anAct = aCollection->GetNextActor()) {
 734           if (SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct)) {
 735                 MESSAGE("--- display " << anActor);
 736             anActor->SetVisibility(true);
 737
 738             if(anActor->hasIO()){
 739               Handle(SALOME_InteractiveObject) anIO = anActor->getIO();
 740               if(anIO->hasEntry()){
 741                 aStudy->setVisibilityState(anIO->getEntry(), Qtx::ShownState);
 742               }
 743             }
 744           }
 745         }
 746         break;
 747       }
 748       case eDisplayOnly:
 749       case eEraseAll: {
 750         //MESSAGE("---case eDisplayOnly");
 751         while (vtkActor *anAct = aCollection->GetNextActor()) {
 752           if (SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct)) {
 753                 //MESSAGE("--- erase " << anActor);
 754             anActor->SetVisibility(false);
 755           }
 756         }
 757         aStudy->setVisibilityStateForAll(Qtx::HiddenState);
 758       }
 759       default: {
 760         if (SMESH_Actor *anActor = FindActorByEntry(theWnd,theEntry)) {
 761           switch (theAction) {
 762             case eDisplay:
 763             case eDisplayOnly:
 764                 //MESSAGE("--- display " << anActor);
 765               anActor->Update();
 766               anActor->SetVisibility(true);
 767               if (theAction == eDisplayOnly) aRenderer->ResetCameraClippingRange();
 768               aStudy->setVisibilityState(theEntry, Qtx::ShownState);
 769               break;
 770             case eErase:
 771                 //MESSAGE("--- erase " << anActor);
 772               anActor->SetVisibility(false);
 773               aStudy->setVisibilityState(theEntry, Qtx::HiddenState);
 774               break;
 775             default:;
 776           }
 777         } else {
 778           switch (theAction) {
 779           case eDisplay:
 780           case eDisplayOnly:
 781             {
 782                 //MESSAGE("---");
 783               SalomeApp_Study* aStudy = dynamic_cast<SalomeApp_Study*>(theWnd->getViewManager()->study());
 784               _PTR(Study) aDocument = aStudy->studyDS();
 785               // Pass non-visual objects (hypotheses, etc.), return true in this case
 786               CORBA::Long anId = aDocument->StudyId();
 787               TVisualObjPtr aVisualObj;
 788               if ( (aVisualObj = GetVisualObj(anId,theEntry)) && aVisualObj->IsValid())
 789               {
 790                 if ((anActor = CreateActor(aDocument,theEntry,true))) {
 791                   bool needFitAll = noSmeshActors(theWnd); // fit for the first object only
 792                   DisplayActor(theWnd,anActor);
 793                   aStudy->setVisibilityState(theEntry, Qtx::ShownState);
 794                   // FitAll(); - PAL16770(Display of a group performs an automatic fit all)
 795                   if (needFitAll) FitAll();
 796                 } else {
 797                   OK = false;
 798                 }
 799               }
 800               break;
 801             }
 802           default:;
 803           }
 804         }
 805       }
 806       }
 807     }
 808     return OK;
 809   }
 810
 811
 812   bool UpdateView(EDisplaing theAction, const char* theEntry) {
 813         //MESSAGE("UpdateView");
 814     SalomeApp_Study* aStudy = dynamic_cast< SalomeApp_Study* >( GetActiveStudy() );
 815     SalomeApp_Application* app = dynamic_cast< SalomeApp_Application* >( aStudy->application() );
 816     if ( SUIT_ViewManager* vm = app->activeViewManager() )
 817     {
 818       SUIT_ViewWindow *aWnd = vm->getActiveView();
 819       return UpdateView(aWnd,theAction,theEntry);
 820     }
 821     return false;
 822   }
 823
 824   void UpdateView(){
 825     if ( SVTK_ViewWindow* aWnd = SMESH::GetCurrentVtkView()) {
 826       LightApp_SelectionMgr* mgr = SMESHGUI::selectionMgr();
 827       SALOME_ListIO selected; mgr->selectedObjects( selected );
 828
 829       if( selected.Extent() == 0){
 830         vtkRenderer* aRenderer = aWnd->getRenderer();
 831         VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
 832         vtkActorCollection *aCollection = aCopy.GetActors();
 833         aCollection->InitTraversal();
 834         while(vtkActor *anAct = aCollection->GetNextActor()){
 835           if(SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct)){
 836             if(anActor->hasIO())
 837               if (!Update(anActor->getIO(),anActor->GetVisibility()))
 838                 break; // avoid multiple warinings if visu failed
 839           }
 840         }
 841       }else{
 842         SALOME_ListIteratorOfListIO anIter( selected );
 843         for( ; anIter.More(); anIter.Next()){
 844           Handle(SALOME_InteractiveObject) anIO = anIter.Value();
 845           if ( !Update(anIO,true) )
 846             break; // avoid multiple warinings if visu failed
 847         }
 848       }
 849       RepaintCurrentView();
 850     }
 851   }
 852
 853
 854   bool Update(const Handle(SALOME_InteractiveObject)& theIO, bool theDisplay)
 855   {
 856     //MESSAGE("Update");
 857     _PTR(Study) aStudy = GetActiveStudyDocument();
 858     CORBA::Long anId = aStudy->StudyId();
 859     if ( TVisualObjPtr aVisualObj = SMESH::GetVisualObj(anId,theIO->getEntry())) {
 860       if ( theDisplay )
 861         UpdateView(SMESH::eDisplay,theIO->getEntry());
 862       return true;
 863     }
 864     return false;
 865   }
 866
 867   bool UpdateNulData(const Handle(SALOME_InteractiveObject)& theIO, bool theDisplay)
 868   {
 869     //MESSAGE("UpdateNulData");
 870     _PTR(Study) aStudy = GetActiveStudyDocument();
 871     CORBA::Long anId = aStudy->StudyId();
 872     if ( TVisualObjPtr aVisualObj = SMESH::GetVisualObj(anId,theIO->getEntry(), true)) {
 873       if ( theDisplay )
 874         UpdateView(SMESH::eDisplay,theIO->getEntry());
 875       return true;
 876     }
 877     return false;
 878   }
 879
 880   void UpdateSelectionProp( SMESHGUI* theModule )
 881   {
 882     if( !theModule )
 883       return;
 884
 885     SalomeApp_Application* app = dynamic_cast< SalomeApp_Application* >( theModule->application() );
 886     if( !app )
 887     {
 888       MESSAGE( "UpdateSelectionProp: Application is null" );
 889       return;
 890     }
 891
 892     SUIT_ViewManager* vm = app->activeViewManager();
 893     if( !vm )
 894     {
 895       MESSAGE( "UpdateSelectionProp: View manager is null" );
 896       return;
 897     }
 898
 899     QVector<SUIT_ViewWindow*> views = vm->getViews();
 900
 901     SUIT_ResourceMgr* mgr = SMESH::GetResourceMgr( theModule );
 902     if( !mgr )
 903     {
 904       MESSAGE( "UpdateSelectionProp: Resource manager is null" );
 905       return;
 906     }
 907
 908     QColor
 909       aHiColor = mgr->colorValue( "SMESH", "selection_object_color", Qt::white ),
 910       aSelColor = mgr->colorValue( "SMESH", "selection_element_color", Qt::yellow ),
 911       aPreColor = mgr->colorValue( "SMESH", "highlight_color", Qt::cyan );
 912
 913     int aElem0DSize = mgr->integerValue("SMESH", "elem0d_size", 5);
 914     // int aBallSize   = mgr->integerValue("SMESH", "ball_elem_size", 5);
 915     int aLineWidth  = mgr->integerValue("SMESH", "element_width", 1);
 916     int maxSize = aElem0DSize;
 917     if (aElem0DSize > maxSize) maxSize = aElem0DSize;
 918     if (aLineWidth > maxSize) maxSize = aLineWidth;
 919     //  if (aBallSize > maxSize) maxSize = aBallSize;
 920
 921     double
 922       SP1 = mgr->doubleValue( "SMESH", "selection_precision_node", 0.025 ),
 923       SP2 = mgr->doubleValue( "SMESH", "selection_precision_element", 0.001 ),
 924       SP3 = mgr->doubleValue( "SMESH", "selection_precision_object", 0.025 );
 925
 926     for ( int i=0, n=views.count(); i<n; i++ )
 927     {
 928       // update VTK viewer properties
 929       if ( SVTK_ViewWindow* aVtkView = GetVtkViewWindow( views[i] ))
 930       {
 931         // mesh element selection
 932         aVtkView->SetSelectionProp(aSelColor.red()/255.,
 933                                    aSelColor.green()/255.,
 934                                    aSelColor.blue()/255.);
 935         // tolerances
 936         aVtkView->SetSelectionTolerance(SP1, SP2, SP3);
 937
 938         // pre-selection
 939         aVtkView->SetPreselectionProp(aPreColor.red()/255.,
 940                                       aPreColor.green()/255.,
 941                                       aPreColor.blue()/255.);
 942         // update actors
 943         vtkRenderer* aRenderer = aVtkView->getRenderer();
 944         VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
 945         vtkActorCollection *aCollection = aCopy.GetActors();
 946         aCollection->InitTraversal();
 947         while ( vtkActor *anAct = aCollection->GetNextActor() ) {
 948           if ( SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct) ) {
 949             anActor->SetHighlightColor(aHiColor.red()/255.,
 950                                        aHiColor.green()/255.,
 951                                        aHiColor.blue()/255.);
 952             anActor->SetPreHighlightColor(aPreColor.red()/255.,
 953                                           aPreColor.green()/255.,
 954                                           aPreColor.blue()/255.);
 955           }
 956         }
 957       }
 958     }
 959   }
 960
 961
 962   void UpdateFontProp( SMESHGUI* theModule )
 963   {
 964     if ( !theModule ) return;
 965
 966     SalomeApp_Application* app = dynamic_cast< SalomeApp_Application* >( theModule->application() );
 967     if ( !app ) return;
 968
 969     SUIT_ResourceMgr* mgr = SMESH::GetResourceMgr( theModule );
 970     if ( !mgr ) return;
 971     //
 972     double anRGBNd[3] = {1,1,1};
 973     SMESH::GetColor( "SMESH", "numbering_node_color", anRGBNd[0], anRGBNd[1], anRGBNd[2], QColor( 255, 255, 255 ) );
 974     int aSizeNd = 10;
 975     SMESH::LabelFont aFamilyNd = SMESH::FntTimes;
 976     bool aBoldNd    = true;
 977     bool anItalicNd = false;
 978     bool aShadowNd  = false;
 979
 980     if ( mgr->hasValue( "SMESH", "numbering_node_font" ) ) {
 981       QFont f = mgr->fontValue( "SMESH", "numbering_node_font" );
 982       if ( f.family()      == "Arial" )   aFamilyNd = SMESH::FntArial;
 983       else if ( f.family() == "Courier" ) aFamilyNd = SMESH::FntCourier;
 984       else if ( f.family() == "Times" )   aFamilyNd = SMESH::FntTimes;
 985       aBoldNd    = f.bold();
 986       anItalicNd = f.italic();
 987       aShadowNd  = f.overline();
 988       aSizeNd    = f.pointSize();
 989     }
 990     //
 991     double anRGBEl[3] = {0,1,0};
 992     SMESH::GetColor( "SMESH", "numbering_elem_color", anRGBEl[0], anRGBEl[1], anRGBEl[2], QColor( 0, 255, 0 ) );
 993     int aSizeEl = 12;
 994     SMESH::LabelFont aFamilyEl = SMESH::FntTimes;
 995     bool aBoldEl    = true;
 996     bool anItalicEl = false;
 997     bool aShadowEl  = false;
 998
 999     if ( mgr->hasValue( "SMESH", "numbering_elem_font" ) ) {
1000       QFont f = mgr->fontValue( "SMESH", "numbering_elem_font" );
1001
1002       if ( f.family()      == "Arial" )   aFamilyEl = SMESH::FntArial;
1003       else if ( f.family() == "Courier" ) aFamilyEl = SMESH::FntCourier;
1004       else if ( f.family() == "Times" )   aFamilyEl = SMESH::FntTimes;
1005       aBoldEl    = f.bold();
1006       anItalicEl = f.italic();
1007       aShadowEl  = f.overline();
1008       aSizeEl    = f.pointSize();
1009     }
1010     //
1011     ViewManagerList vmList;
1012     app->viewManagers( SVTK_Viewer::Type(), vmList );
1013     foreach ( SUIT_ViewManager* vm, vmList ) {
1014       QVector<SUIT_ViewWindow*> views = vm->getViews();
1015       foreach ( SUIT_ViewWindow* vw, views ) {
1016         // update VTK viewer properties
1017         if ( SVTK_ViewWindow* aVtkView = GetVtkViewWindow( vw ) ) {
1018           // update actors
1019           vtkRenderer* aRenderer = aVtkView->getRenderer();
1020           VTK::ActorCollectionCopy aCopy( aRenderer->GetActors() );
1021           vtkActorCollection* aCollection = aCopy.GetActors();
1022           aCollection->InitTraversal();
1023           while ( vtkActor* anAct = aCollection->GetNextActor() ) {
1024             if ( SMESH_NodeLabelActor* anActor = dynamic_cast< SMESH_NodeLabelActor* >( anAct ) ) {
1025               anActor->SetFontProperties( aFamilyNd, aSizeNd, aBoldNd, anItalicNd, aShadowNd, anRGBNd[0], anRGBNd[1], anRGBNd[2] );
1026             }
1027             else if ( SMESH_CellLabelActor* anActor = dynamic_cast< SMESH_CellLabelActor* >( anAct ) ) {
1028               anActor->SetFontProperties( aFamilyEl, aSizeEl, aBoldEl, anItalicEl, aShadowEl, anRGBEl[0], anRGBEl[1], anRGBEl[2] );
1029             }
1030           }
1031           aVtkView->Repaint( false );
1032         }
1033       }
1034     }
1035   }
1036
1037   //----------------------------------------------------------------------------
1038   SVTK_Selector*
1039   GetSelector(SUIT_ViewWindow *theWindow)
1040   {
1041     if(SVTK_ViewWindow* aWnd = GetVtkViewWindow(theWindow))
1042       return aWnd->GetSelector();
1043
1044     return NULL;
1045   }
1046
1047   void SetFilter(const Handle(VTKViewer_Filter)& theFilter,
1048                  SVTK_Selector* theSelector)
1049   {
1050     if (theSelector)
1051       theSelector->SetFilter(theFilter);
1052   }
1053
1054   Handle(VTKViewer_Filter) GetFilter(int theId, SVTK_Selector* theSelector)
1055   {
1056     return theSelector->GetFilter(theId);
1057   }
1058
1059   bool IsFilterPresent(int theId, SVTK_Selector* theSelector)
1060   {
1061     return theSelector->IsFilterPresent(theId);
1062   }
1063
1064   void RemoveFilter(int theId, SVTK_Selector* theSelector)
1065   {
1066     theSelector->RemoveFilter(theId);
1067   }
1068
1069   void RemoveFilters(SVTK_Selector* theSelector)
1070   {
1071     for ( int id = SMESH::NodeFilter; theSelector && id < SMESH::LastFilter; id++ )
1072       theSelector->RemoveFilter( id );
1073   }
1074
1075   bool IsValid(SALOME_Actor* theActor, int theCellId,
1076                SVTK_Selector* theSelector)
1077   {
1078     return theSelector->IsValid(theActor,theCellId);
1079   }
1080
1081
1082   //----------------------------------------------------------------------------
1083   void SetPointRepresentation(bool theIsVisible)
1084   {
1085     if ( SVTK_ViewWindow* aViewWindow = GetCurrentVtkView() ) {
1086       vtkRenderer *aRenderer = aViewWindow->getRenderer();
1087       VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
1088       vtkActorCollection *aCollection = aCopy.GetActors();
1089       aCollection->InitTraversal();
1090       while(vtkActor *anAct = aCollection->GetNextActor()){
1091         if(SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct)){
1092           if(anActor->GetVisibility()){
1093             anActor->SetPointRepresentation(theIsVisible);
1094           }
1095         }
1096       }
1097       RepaintCurrentView();
1098     }
1099   }
1100
1101
1102   void SetPickable(SMESH_Actor* theActor)
1103   {
1104     if ( SVTK_ViewWindow* aWnd = GetCurrentVtkView() ) {
1105       int anIsAllPickable = (theActor == NULL);
1106       vtkRenderer *aRenderer = aWnd->getRenderer();
1107       VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
1108       vtkActorCollection *aCollection = aCopy.GetActors();
1109       aCollection->InitTraversal();
1110       while(vtkActor *anAct = aCollection->GetNextActor()){
1111         if(SALOME_Actor *anActor = dynamic_cast<SALOME_Actor*>(anAct)){
1112           if(anActor->GetVisibility()){
1113             anActor->SetPickable(anIsAllPickable);
1114           }
1115         }
1116       }
1117       if(theActor)
1118         theActor->SetPickable(!anIsAllPickable);
1119       RepaintCurrentView();
1120     }
1121   }
1122
1123
1124   //----------------------------------------------------------------------------
1125   int GetNameOfSelectedNodes(SVTK_Selector*                          theSelector,
1126                              const Handle(SALOME_InteractiveObject)& theIO,
1127                              QString&                                theName)
1128   {
1129     theName = "";
1130     TColStd_IndexedMapOfInteger aMapIndex;
1131     theSelector->GetIndex(theIO,aMapIndex);
1132
1133     for(int i = 1; i <= aMapIndex.Extent(); i++)
1134       theName += QString(" %1").arg(aMapIndex(i));
1135
1136     return aMapIndex.Extent();
1137   }
1138
1139   int GetNameOfSelectedElements(SVTK_Selector* theSelector,
1140                                 const Handle(SALOME_InteractiveObject)& theIO,
1141                                 QString& theName)
1142   {
1143     theName = "";
1144     TColStd_IndexedMapOfInteger aMapIndex;
1145     theSelector->GetIndex(theIO,aMapIndex);
1146
1147     typedef std::set<int> TIdContainer;
1148     TIdContainer anIdContainer;
1149     for( int i = 1; i <= aMapIndex.Extent(); i++)
1150       anIdContainer.insert(aMapIndex(i));
1151
1152     TIdContainer::const_iterator anIter = anIdContainer.begin();
1153     for( ; anIter != anIdContainer.end(); anIter++)
1154       theName += QString(" %1").arg(*anIter);
1155
1156     return aMapIndex.Extent();
1157   }
1158
1159
1160   int GetEdgeNodes(SVTK_Selector* theSelector,
1161                    const TVisualObjPtr& theVisualObject,
1162                    int& theId1,
1163                    int& theId2)
1164   {
1165     const SALOME_ListIO& selected = theSelector->StoredIObjects();
1166
1167     if ( selected.Extent() != 1 )
1168       return -1;
1169
1170     Handle(SALOME_InteractiveObject) anIO = selected.First();
1171     if ( anIO.IsNull() || !anIO->hasEntry() )
1172       return -1;
1173
1174     TColStd_IndexedMapOfInteger aMapIndex;
1175     theSelector->GetIndex( anIO, aMapIndex );
1176     if ( aMapIndex.Extent() != 2 )
1177       return -1;
1178
1179     int anObjId = -1, anEdgeNum = -1;
1180     for ( int i = 1; i <= aMapIndex.Extent(); i++ ) {
1181       int aVal = aMapIndex( i );
1182       if ( aVal > 0 )
1183         anObjId = aVal;
1184       else
1185         anEdgeNum = abs( aVal ) - 1;
1186     }
1187
1188     if ( anObjId == -1 || anEdgeNum == -1 )
1189       return -1;
1190
1191     return theVisualObject->GetEdgeNodes( anObjId, anEdgeNum, theId1, theId2 ) ? 1 : -1;
1192   }
1193
1194   //----------------------------------------------------------------------------
1195   int GetNameOfSelectedNodes(LightApp_SelectionMgr *theMgr,
1196                              const Handle(SALOME_InteractiveObject)& theIO,
1197                              QString& theName)
1198   {
1199     theName = "";
1200     if(theIO->hasEntry()){
1201       if(FindActorByEntry(theIO->getEntry())){
1202         TColStd_IndexedMapOfInteger aMapIndex;
1203         theMgr->GetIndexes(theIO,aMapIndex);
1204         for(int i = 1; i <= aMapIndex.Extent(); i++){
1205           theName += QString(" %1").arg(aMapIndex(i));
1206         }
1207         return aMapIndex.Extent();
1208       }
1209     }
1210     return -1;
1211   }
1212
1213   int GetNameOfSelectedNodes(LightApp_SelectionMgr *theMgr, QString& theName)
1214   {
1215     theName = "";
1216     SALOME_ListIO selected; theMgr->selectedObjects( selected );
1217     if(selected.Extent() == 1){
1218       Handle(SALOME_InteractiveObject) anIO = selected.First();
1219       return GetNameOfSelectedNodes(theMgr,anIO,theName);
1220     }
1221     return -1;
1222   }
1223
1224
1225   int GetNameOfSelectedElements(LightApp_SelectionMgr *                 theMgr,
1226                                 const Handle(SALOME_InteractiveObject)& theIO,
1227                                 QString&                                theName)
1228   {
1229     theName = "";
1230     if(theIO->hasEntry()){
1231       if(FindActorByEntry(theIO->getEntry())){
1232         TColStd_IndexedMapOfInteger aMapIndex;
1233         theMgr->GetIndexes(theIO,aMapIndex);
1234         typedef std::set<int> TIdContainer;
1235         TIdContainer anIdContainer;
1236         for( int i = 1; i <= aMapIndex.Extent(); i++)
1237           anIdContainer.insert(aMapIndex(i));
1238         TIdContainer::const_iterator anIter = anIdContainer.begin();
1239         for( ; anIter != anIdContainer.end(); anIter++){
1240           theName += QString(" %1").arg(*anIter);
1241         }
1242         return aMapIndex.Extent();
1243       }
1244     }
1245     return -1;
1246   }
1247
1248
1249   int GetNameOfSelectedElements(LightApp_SelectionMgr *theMgr, QString& theName)
1250   {
1251     theName = "";
1252     SALOME_ListIO selected; theMgr->selectedObjects( selected );
1253
1254     if( selected.Extent() == 1){
1255       Handle(SALOME_InteractiveObject) anIO = selected.First();
1256       return GetNameOfSelectedElements(theMgr,anIO,theName);
1257     }
1258     return -1;
1259   }
1260
1261   int GetSelected(LightApp_SelectionMgr*       theMgr,
1262                   TColStd_IndexedMapOfInteger& theMap,
1263                   const bool                   theIsElement)
1264   {
1265     theMap.Clear();
1266     SALOME_ListIO selected; theMgr->selectedObjects( selected );
1267
1268     if ( selected.Extent() == 1 )
1269     {
1270       Handle(SALOME_InteractiveObject) anIO = selected.First();
1271       if ( anIO->hasEntry() ) {
1272         theMgr->GetIndexes( anIO, theMap );
1273       }
1274     }
1275     return theMap.Extent();
1276   }
1277
1278
1279   int GetEdgeNodes( LightApp_SelectionMgr* theMgr, int& theId1, int& theId2 )
1280   {
1281     SALOME_ListIO selected; theMgr->selectedObjects( selected );
1282
1283     if ( selected.Extent() != 1 )
1284       return -1;
1285
1286     Handle(SALOME_InteractiveObject) anIO = selected.First();
1287     if ( anIO.IsNull() || !anIO->hasEntry() )
1288       return -1;
1289
1290     SMESH_Actor *anActor = SMESH::FindActorByEntry( anIO->getEntry() );
1291     if ( anActor == 0 )
1292       return -1;
1293
1294     TColStd_IndexedMapOfInteger aMapIndex;
1295     theMgr->GetIndexes( anIO, aMapIndex );
1296     if ( aMapIndex.Extent() != 2 )
1297       return -1;
1298
1299     int anObjId = -1, anEdgeNum = -1;
1300     for ( int i = 1; i <= aMapIndex.Extent(); i++ ) {
1301       int aVal = aMapIndex( i );
1302       if ( aVal > 0 )
1303         anObjId = aVal;
1304       else
1305         anEdgeNum = abs( aVal );
1306     }
1307
1308     if ( anObjId == -1 || anEdgeNum == -1 )
1309       return -1;
1310
1311     return anActor->GetObject()->GetEdgeNodes( anObjId, anEdgeNum, theId1, theId2 ) ? 1 : -1;
1312   }
1313
1314   void SetControlsPrecision( const long theVal )
1315   {
1316     if( SVTK_ViewWindow* aWnd = SMESH::GetCurrentVtkView() )
1317     {
1318       vtkRenderer *aRenderer = aWnd->getRenderer();
1319       VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
1320       vtkActorCollection *aCollection = aCopy.GetActors();
1321       aCollection->InitTraversal();
1322
1323       while ( vtkActor *anAct = aCollection->GetNextActor())
1324       {
1325         if ( SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>( anAct ) )
1326         {
1327           anActor->SetControlsPrecision( theVal );
1328           anActor->SetControlMode( anActor->GetControlMode() );
1329         }
1330       }
1331
1332     }
1333   }
1334
1335   //----------------------------------------------------------------------------
1336   // internal function
1337   void ComputeBoundsParam( double theBounds[6],
1338                            double theDirection[3],
1339                            double theMinPnt[3],
1340                            double& theMaxBoundPrj,
1341                            double& theMinBoundPrj )
1342   {
1343     //Enlarge bounds in order to avoid conflicts of precision
1344     for(int i = 0; i < 6; i += 2){
1345       static double EPS = 1.0E-3;
1346       double aDelta = (theBounds[i+1] - theBounds[i])*EPS;
1347       theBounds[i] -= aDelta;
1348       theBounds[i+1] += aDelta;
1349     }
1350
1351     double aBoundPoints[8][3] = { {theBounds[0],theBounds[2],theBounds[4]},
1352                                   {theBounds[1],theBounds[2],theBounds[4]},
1353                                   {theBounds[0],theBounds[3],theBounds[4]},
1354                                   {theBounds[1],theBounds[3],theBounds[4]},
1355                                   {theBounds[0],theBounds[2],theBounds[5]},
1356                                   {theBounds[1],theBounds[2],theBounds[5]},
1357                                   {theBounds[0],theBounds[3],theBounds[5]},
1358                                   {theBounds[1],theBounds[3],theBounds[5]}};
1359
1360     int aMaxId = 0;
1361     theMaxBoundPrj = vtkMath::Dot(theDirection,aBoundPoints[aMaxId]);
1362     theMinBoundPrj = theMaxBoundPrj;
1363     for(int i = 1; i < 8; i++){
1364       double aTmp = vtkMath::Dot(theDirection,aBoundPoints[i]);
1365       if(theMaxBoundPrj < aTmp){
1366         theMaxBoundPrj = aTmp;
1367         aMaxId = i;
1368       }
1369       if(theMinBoundPrj > aTmp){
1370         theMinBoundPrj = aTmp;
1371       }
1372     }
1373     double *aMinPnt = aBoundPoints[aMaxId];
1374     theMinPnt[0] = aMinPnt[0];
1375     theMinPnt[1] = aMinPnt[1];
1376     theMinPnt[2] = aMinPnt[2];
1377   }
1378
1379   // internal function
1380   void DistanceToPosition( double theBounds[6],
1381                            double theDirection[3],
1382                            double theDist,
1383                            double thePos[3] )
1384   {
1385     double aMaxBoundPrj, aMinBoundPrj, aMinPnt[3];
1386     ComputeBoundsParam(theBounds,theDirection,aMinPnt,aMaxBoundPrj,aMinBoundPrj);
1387     double aLength = (aMaxBoundPrj-aMinBoundPrj)*theDist;
1388     thePos[0] = aMinPnt[0]-theDirection[0]*aLength;
1389     thePos[1] = aMinPnt[1]-theDirection[1]*aLength;
1390     thePos[2] = aMinPnt[2]-theDirection[2]*aLength;
1391   }
1392
1393   // internal function (currently unused, left just in case)
1394   void PositionToDistance( double theBounds[6],
1395                            double theDirection[3],
1396                            double thePos[3],
1397                            double& theDist )
1398   {
1399     double aMaxBoundPrj, aMinBoundPrj, aMinPnt[3];
1400     ComputeBoundsParam(theBounds,theDirection,aMinPnt,aMaxBoundPrj,aMinBoundPrj);
1401     double aPrj = vtkMath::Dot(theDirection,thePos);
1402     theDist = (aPrj-aMinBoundPrj)/(aMaxBoundPrj-aMinBoundPrj);
1403   }
1404
1405   bool ComputeClippingPlaneParameters( std::list<vtkActor*> theActorList,
1406                                        double theNormal[3],
1407                                        double theDist,
1408                                        double theBounds[6],
1409                                        double theOrigin[3] )
1410   {
1411     bool anIsOk = false;
1412     anIsOk = ComputeBounds( theActorList, theBounds );
1413
1414
1415     if( !anIsOk )
1416       return false;
1417
1418     DistanceToPosition( theBounds, theNormal, theDist, theOrigin );
1419     return true;
1420   }
1421
1422   bool ComputeBounds( std::list<vtkActor*> theActorList,
1423                       double theBounds[6])
1424   {
1425     bool anIsOk = false;
1426     theBounds[0] = theBounds[2] = theBounds[4] = VTK_DOUBLE_MAX;
1427     theBounds[1] = theBounds[3] = theBounds[5] = -VTK_DOUBLE_MAX;
1428     std::list<vtkActor*>::iterator anIter = theActorList.begin();
1429     for( ; anIter != theActorList.end(); anIter++ ) {
1430       if( vtkActor* aVTKActor = *anIter ) {
1431         if( SMESH_Actor* anActor = SMESH_Actor::SafeDownCast( aVTKActor ) ) {
1432           double aBounds[6];
1433           anActor->GetUnstructuredGrid()->GetBounds( aBounds );
1434           theBounds[0] = std::min( theBounds[0], aBounds[0] );
1435           theBounds[1] = std::max( theBounds[1], aBounds[1] );
1436           theBounds[2] = std::min( theBounds[2], aBounds[2] );
1437           theBounds[3] = std::max( theBounds[3], aBounds[3] );
1438           theBounds[4] = std::min( theBounds[4], aBounds[4] );
1439           theBounds[5] = std::max( theBounds[5], aBounds[5] );
1440           anIsOk = true;
1441         }
1442       }
1443     }
1444     return anIsOk;
1445   }
1446
1447 #ifndef DISABLE_PLOT2DVIEWER
1448   //================================================================================
1449   /*!
1450    * \brief Find all SMESH_Actor's in the View Window.
1451    * If actor constains Plot2d_Histogram object remove it from each Plot2d Viewer.
1452    */
1453   //================================================================================
1454
1455   void ClearPlot2Viewers( SUIT_ViewWindow* theWindow )
1456   {
1457     if ( SVTK_ViewWindow* aViewWindow = GetVtkViewWindow(theWindow) ) {
1458       vtkRenderer *aRenderer = aViewWindow->getRenderer();
1459       VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
1460       vtkActorCollection *aCollection = aCopy.GetActors();
1461       aCollection->InitTraversal();
1462       while(vtkActor *anAct = aCollection->GetNextActor()){
1463         if(SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct)){
1464           if(anActor->hasIO() && anActor->GetPlot2Histogram() ){
1465             ProcessIn2DViewers(anActor,RemoveFrom2dViewer);
1466           }
1467         }
1468       }
1469     }
1470   }
1471
1472 #endif
1473
1474 } // end of namespace SMESH