src/SMESHGUI/SMESHGUI_VTKUtils.cxx

   1 // Copyright (C) 2007-2014  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_Utils.h"
  32 #include "SMESHGUI_Filter.h"
  33 #include "SMESH_ControlsDef.hxx"
  34
  35 #include <SMESH_Actor.h>
  36 #include <SMESH_ActorUtils.h>
  37 #include "SMESH_NodeLabelActor.h"
  38 #include "SMESH_CellLabelActor.h"
  39 #include <SMESH_ObjectDef.h>
  40 #include <SMDS_Mesh.hxx>
  41
  42 // SALOME GUI includes
  43 #include <SUIT_Desktop.h>
  44 #include <SUIT_Session.h>
  45 #include <SUIT_MessageBox.h>
  46 #include <SUIT_ViewManager.h>
  47 #include <SUIT_ResourceMgr.h>
  48
  49 #include <SALOME_ListIO.hxx>
  50
  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 <TColStd_IndexedMapOfInteger.hxx>
  77 #include <Standard_ErrorHandler.hxx>
  78
  79 namespace SMESH
  80 {
  81   typedef std::map<TKeyOfVisualObj,TVisualObjPtr> TVisualObjCont;
  82   static TVisualObjCont VISUAL_OBJ_CONT;
  83
  84   //=============================================================================
  85   /*!
  86    * \brief Allocate some memory at construction and release it at destruction.
  87    * Is used to be able to continue working after mesh generation or visualization
  88    * break due to lack of memory
  89    */
  90   //=============================================================================
  91
  92   struct MemoryReserve
  93   {
  94     char* myBuf;
  95     MemoryReserve(): myBuf( new char[1024*1024*1] ){} // 1M
  96     void Free() { if (myBuf) { delete [] myBuf; myBuf = 0; }}
  97     ~MemoryReserve() { Free(); }
  98   };
  99   static MemoryReserve* theVISU_MemoryReserve = new MemoryReserve;
 100
 101   //================================================================================
 102   /*!
 103    * \brief Remove VisualObj and its actor from all views
 104    */
 105   //================================================================================
 106
 107   void RemoveVisualObjectWithActors( const char* theEntry, bool fromAllViews )
 108   {
 109     SalomeApp_Application* app = dynamic_cast<SalomeApp_Application*>(SUIT_Session::session()->activeApplication());
 110     if(!app)
 111       return;
 112     SalomeApp_Study* aStudy  = dynamic_cast<SalomeApp_Study*>(app->activeStudy());
 113     if(!aStudy)
 114       return;
 115     ViewManagerList aList;
 116
 117     if(fromAllViews) {
 118       app->viewManagers(SVTK_Viewer::Type() , aList);
 119     } else {
 120       SUIT_ViewManager* aVM = app->getViewManager(SVTK_Viewer::Type(), true);
 121       if(aVM)
 122         aList.append(aVM);
 123     }
 124     bool actorRemoved = false;
 125     ViewManagerList::ConstIterator it = aList.begin();
 126     SUIT_ViewManager* aViewManager = 0;
 127     for( ; it!=aList.end();it++) {
 128       aViewManager = *it;
 129       QVector<SUIT_ViewWindow*> views = aViewManager->getViews();
 130       for ( int iV = 0; iV < views.count(); ++iV ) {
 131         if ( SMESH_Actor* actor = FindActorByEntry( views[iV], theEntry)) {
 132           if(SVTK_ViewWindow* vtkWnd = GetVtkViewWindow(views[iV])) {
 133             vtkWnd->RemoveActor(actor);
 134             actorRemoved = true;
 135           }
 136           actor->Delete();
 137         }
 138       }
 139     }
 140
 141     if (aViewManager ) {
 142       int aStudyId = aViewManager->study()->id();
 143       TVisualObjCont::key_type aKey(aStudyId,theEntry);
 144       TVisualObjCont::iterator anIter = VISUAL_OBJ_CONT.find(aKey);
 145       if(anIter != VISUAL_OBJ_CONT.end()) {
 146         // for unknown reason, object destructor is not called, so clear object manually
 147         anIter->second->GetUnstructuredGrid()->SetCells(0,0,0,0,0);
 148         anIter->second->GetUnstructuredGrid()->SetPoints(0);
 149       }
 150       VISUAL_OBJ_CONT.erase(aKey);
 151     }
 152
 153     if(actorRemoved)
 154       aStudy->setVisibilityState(theEntry, Qtx::HiddenState);
 155   }
 156   //================================================================================
 157   /*!
 158    * \brief Remove all VisualObjs and their actors from all views
 159    */
 160   //================================================================================
 161
 162   void RemoveAllObjectsWithActors()
 163   {
 164     SalomeApp_Application* app = dynamic_cast<SalomeApp_Application*>
 165       ( SUIT_Session::session()->activeApplication() );
 166     if (!app) return;
 167     ViewManagerList viewMgrs = app->viewManagers();
 168     for ( int iM = 0; iM < viewMgrs.count(); ++iM ) {
 169       SUIT_ViewManager* aViewManager = viewMgrs.at( iM );
 170       if ( aViewManager && aViewManager->getType() == SVTK_Viewer::Type()) {
 171         QVector<SUIT_ViewWindow*> views = aViewManager->getViews();
 172         for ( int iV = 0; iV < views.count(); ++iV ) {
 173           if(SVTK_ViewWindow* vtkWnd = GetVtkViewWindow(views[iV])) {
 174             vtkRenderer *aRenderer = vtkWnd->getRenderer();
 175             VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
 176             vtkActorCollection *actors = aCopy.GetActors();
 177             for (int i = 0; i < actors->GetNumberOfItems(); ++i ) {
 178               // size of actors changes inside the loop
 179               if (SMESH_Actor *actor = dynamic_cast<SMESH_Actor*>(actors->GetItemAsObject(i)))
 180               {
 181                 vtkWnd->RemoveActor(actor);
 182                 actor->Delete();
 183               }
 184             }
 185           }
 186         }
 187       }
 188     }
 189     TVisualObjCont::iterator anIter = VISUAL_OBJ_CONT.begin();
 190     for ( ; anIter != VISUAL_OBJ_CONT.end(); ++anIter ) {
 191       // for unknown reason, object destructor is not called, so clear object manually
 192       anIter->second->GetUnstructuredGrid()->SetCells(0,0,0,0,0);
 193       anIter->second->GetUnstructuredGrid()->SetPoints(0);
 194     }
 195     VISUAL_OBJ_CONT.clear();
 196   }
 197
 198   //================================================================================
 199   /*!
 200    * \brief Remove all VisualObjs of a study
 201    */
 202   //================================================================================
 203
 204   void RemoveVisuData(int studyID)
 205   {
 206     SalomeApp_Application* app = dynamic_cast<SalomeApp_Application*>
 207       ( SUIT_Session::session()->activeApplication() );
 208     if (!app) return;
 209     ViewManagerList viewMgrs = app->viewManagers();
 210     for ( int iM = 0; iM < viewMgrs.count(); ++iM ) {
 211       SUIT_ViewManager* aViewManager = viewMgrs.at( iM );
 212       if ( aViewManager && aViewManager->getType() == SVTK_Viewer::Type() &&
 213            aViewManager->study()->id() == studyID ) {
 214         QVector<SUIT_ViewWindow*> views = aViewManager->getViews();
 215         for ( int iV = 0; iV < views.count(); ++iV ) {
 216           if(SVTK_ViewWindow* vtkWnd = GetVtkViewWindow(views[iV])) {
 217             vtkRenderer *aRenderer = vtkWnd->getRenderer();
 218             VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
 219             vtkActorCollection *actors = aCopy.GetActors();
 220             for (int i = 0; i < actors->GetNumberOfItems(); ++i ) {
 221               // size of actors changes inside the loop
 222               if(SMESH_Actor *actor = dynamic_cast<SMESH_Actor*>(actors->GetItemAsObject(i)))
 223               {
 224                 vtkWnd->RemoveActor(actor);
 225                 actor->Delete();
 226               }
 227             }
 228           }
 229         }
 230       }
 231     }
 232     TVisualObjCont::iterator anIter = VISUAL_OBJ_CONT.begin();
 233     for ( ; anIter != VISUAL_OBJ_CONT.end(); ) {
 234       int curId = anIter->first.first;
 235       if ( curId == studyID ) {
 236         // for unknown reason, object destructor is not called, so clear object manually
 237         anIter->second->GetUnstructuredGrid()->SetCells(0,0,0,0,0);
 238         anIter->second->GetUnstructuredGrid()->SetPoints(0);
 239         VISUAL_OBJ_CONT.erase( anIter++ ); // anIter++ returns a copy of self before incrementing
 240       }
 241       else {
 242         anIter++;
 243       }
 244     }
 245   }
 246
 247   //================================================================================
 248   /*!
 249    * \brief Notify the user on problems during visualization
 250    */
 251   //================================================================================
 252
 253   void OnVisuException()
 254   {
 255     try {
 256 #if (OCC_VERSION_MAJOR << 16 | OCC_VERSION_MINOR << 8 | OCC_VERSION_MAINTENANCE) > 0x060100
 257       OCC_CATCH_SIGNALS;
 258 #endif
 259       // PAL16774 (Crash after display of many groups). Salome sometimes crashes just
 260       // after or at showing this message, so we do an additional check of available memory
 261 //       char* buf = new char[100*1024];
 262 //       delete [] buf;
 263       SUIT_MessageBox::warning(SMESHGUI::desktop(), QObject::tr("SMESH_WRN_WARNING"),
 264                                QObject::tr("SMESH_VISU_PROBLEM"));
 265     } catch (...) {
 266       // no more memory at all: last resort
 267       MESSAGE_BEGIN ( "SMESHGUI_VTKUtils::OnVisuException(), exception even at showing a message!!!" <<
 268                       std::endl << "Try to remove all visual data..." );
 269       if (theVISU_MemoryReserve) {
 270         delete theVISU_MemoryReserve;
 271         theVISU_MemoryReserve = 0;
 272       }
 273       RemoveAllObjectsWithActors();
 274       SUIT_MessageBox::warning(SMESHGUI::desktop(), QObject::tr("SMESH_WRN_WARNING"),
 275                                QObject::tr("SMESH_VISU_PROBLEM_CLEAR"));
 276       MESSAGE_END ( "...done" );
 277     }
 278   }
 279   //================================================================================
 280   /*!
 281    * \brief Returns an updated visual object
 282    */
 283   //================================================================================
 284
 285   TVisualObjPtr GetVisualObj(int theStudyId, const char* theEntry, bool nulData){
 286     TVisualObjPtr aVisualObj;
 287     TVisualObjCont::key_type aKey(theStudyId,theEntry);
 288     try{
 289 #if (OCC_VERSION_MAJOR << 16 | OCC_VERSION_MINOR << 8 | OCC_VERSION_MAINTENANCE) > 0x060100
 290       OCC_CATCH_SIGNALS;
 291 #endif
 292       TVisualObjCont::iterator anIter = VISUAL_OBJ_CONT.find(aKey);
 293       if(anIter != VISUAL_OBJ_CONT.end()){
 294         aVisualObj = anIter->second;
 295       }else{
 296         SalomeApp_Application* app =
 297           dynamic_cast<SalomeApp_Application*>( SMESHGUI::activeStudy()->application() );
 298         _PTR(Study) aStudy = SMESHGUI::activeStudy()->studyDS();
 299         _PTR(SObject) aSObj = aStudy->FindObjectID(theEntry);
 300         if(aSObj){
 301           _PTR(GenericAttribute) anAttr;
 302           if(aSObj->FindAttribute(anAttr,"AttributeIOR")){
 303             _PTR(AttributeIOR) anIOR = anAttr;
 304             CORBA::String_var aVal = anIOR->Value().c_str();
 305             CORBA::Object_var anObj = app->orb()->string_to_object( aVal.in() );
 306             if(!CORBA::is_nil(anObj)){
 307               //Try narrow to SMESH_Mesh interface
 308               SMESH::SMESH_Mesh_var aMesh = SMESH::SMESH_Mesh::_narrow(anObj);
 309               if(!aMesh->_is_nil()){
 310                 aVisualObj.reset(new SMESH_MeshObj(aMesh));
 311                 TVisualObjCont::value_type aValue(aKey,aVisualObj);
 312                 VISUAL_OBJ_CONT.insert(aValue);
 313               }
 314               //Try narrow to SMESH_Group interface
 315               SMESH::SMESH_GroupBase_var aGroup = SMESH::SMESH_GroupBase::_narrow(anObj);
 316               if(!aGroup->_is_nil()){
 317                 _PTR(SObject) aFatherSObj = aSObj->GetFather();
 318                 if(!aFatherSObj) return aVisualObj;
 319                 aFatherSObj = aFatherSObj->GetFather();
 320                 if(!aFatherSObj) return aVisualObj;
 321                 CORBA::String_var anEntry = aFatherSObj->GetID().c_str();
 322                 TVisualObjPtr aVisObj = GetVisualObj(theStudyId,anEntry.in());
 323                 if(SMESH_MeshObj* aMeshObj = dynamic_cast<SMESH_MeshObj*>(aVisObj.get())){
 324                   aVisualObj.reset(new SMESH_GroupObj(aGroup,aMeshObj));
 325                   TVisualObjCont::value_type aValue(aKey,aVisualObj);
 326                   VISUAL_OBJ_CONT.insert(aValue);
 327                 }
 328               }
 329               //Try narrow to SMESH_subMesh interface
 330               SMESH::SMESH_subMesh_var aSubMesh = SMESH::SMESH_subMesh::_narrow(anObj);
 331               if(!aSubMesh->_is_nil()){
 332                 _PTR(SObject) aFatherSObj = aSObj->GetFather();
 333                 if(!aFatherSObj) return aVisualObj;
 334                 aFatherSObj = aFatherSObj->GetFather();
 335                 if(!aFatherSObj) return aVisualObj;
 336                 CORBA::String_var anEntry = aFatherSObj->GetID().c_str();
 337                 TVisualObjPtr aVisObj = GetVisualObj(theStudyId,anEntry.in());
 338                 if(SMESH_MeshObj* aMeshObj = dynamic_cast<SMESH_MeshObj*>(aVisObj.get())){
 339                   aVisualObj.reset(new SMESH_subMeshObj(aSubMesh,aMeshObj));
 340                   TVisualObjCont::value_type aValue(aKey,aVisualObj);
 341                   VISUAL_OBJ_CONT.insert(aValue);
 342                 }
 343               }
 344             }
 345           }
 346         }
 347       }
 348     }catch(...){
 349       INFOS("GetMeshObj - There is no SMESH_Mesh object for the SALOMEDS::Strudy and Entry!!!");
 350       return TVisualObjPtr();
 351     }
 352     // Update object
 353     bool objModified = false;
 354     if ( aVisualObj ) {
 355       try {
 356 #if (OCC_VERSION_MAJOR << 16 | OCC_VERSION_MINOR << 8 | OCC_VERSION_MAINTENANCE) > 0x060100
 357         OCC_CATCH_SIGNALS;
 358 #endif
 359         //MESSAGE("GetVisualObj");
 360         if (nulData)
 361                 objModified = aVisualObj->NulData();
 362         else
 363           objModified = aVisualObj->Update();
 364       }
 365       catch (...) {
 366 #ifdef _DEBUG_
 367         MESSAGE ( "Exception in SMESHGUI_VTKUtils::GetVisualObj()" );
 368 #endif
 369         RemoveVisualObjectWithActors( theEntry ); // remove this object
 370         OnVisuException();
 371         aVisualObj.reset();
 372       }
 373     }
 374
 375     if ( objModified ) {
 376       // PAL16631. Mesurements showed that to show aVisualObj in SHADING(default) mode,
 377       // ~5 times more memory is used than it occupies.
 378       // Warn the user if there is less free memory than 30 sizes of a grid
 379       // TODO: estimate memory usage in other modes and take current mode into account
 380       int freeMB = SMDS_Mesh::CheckMemory(true);
 381       int usedMB = aVisualObj->GetUnstructuredGrid()->GetActualMemorySize() / 1024;
 382       MESSAGE("SMESHGUI_VTKUtils::GetVisualObj(), freeMB=" << freeMB << ", usedMB=" <<usedMB);
 383       if ( freeMB > 0 && usedMB * 5 > freeMB ) {
 384        bool continu = false;
 385        if ( usedMB * 3 > freeMB )
 386          // even dont try to show
 387          SUIT_MessageBox::warning(SMESHGUI::desktop(), QObject::tr("SMESH_WRN_WARNING"),
 388                                   QObject::tr("SMESH_NO_MESH_VISUALIZATION"));
 389        else
 390          // there is a chance to succeed
 391          continu = SUIT_MessageBox::warning
 392            (SMESHGUI::desktop(),
 393             QObject::tr("SMESH_WRN_WARNING"),
 394             QObject::tr("SMESH_CONTINUE_MESH_VISUALIZATION"),
 395             SUIT_MessageBox::Yes | SUIT_MessageBox::No,
 396             SUIT_MessageBox::Yes ) == SUIT_MessageBox::Yes;
 397        if ( !continu ) {
 398          // remove the corresponding actors from all views
 399          RemoveVisualObjectWithActors( theEntry );
 400          aVisualObj.reset();
 401        }
 402       }
 403     }
 404
 405     return aVisualObj;
 406   }
 407
 408
 409   /*! Return active view window, if it instantiates SVTK_ViewWindow class,
 410    *  overwise find or create corresponding view window, make it active and return it.
 411    *  \note Active VVTK_ViewWindow can be returned, because it inherits SVTK_ViewWindow.
 412    */
 413   SVTK_ViewWindow* GetViewWindow (const SalomeApp_Module* theModule,
 414                                   bool createIfNotFound)
 415   {
 416     SalomeApp_Application* anApp;
 417     if (theModule)
 418       anApp = theModule->getApp();
 419     else
 420       anApp = dynamic_cast<SalomeApp_Application*>
 421         (SUIT_Session::session()->activeApplication());
 422
 423     if (anApp) {
 424       if (SVTK_ViewWindow* aView = dynamic_cast<SVTK_ViewWindow*>(anApp->desktop()->activeWindow()))
 425         return aView;
 426
 427       SUIT_ViewManager* aViewManager =
 428         anApp->getViewManager(SVTK_Viewer::Type(), createIfNotFound);
 429       if (aViewManager) {
 430         if (SUIT_ViewWindow* aViewWindow = aViewManager->getActiveView()) {
 431           if (SVTK_ViewWindow* aView = dynamic_cast<SVTK_ViewWindow*>(aViewWindow)) {
 432             aViewWindow->raise();
 433             aViewWindow->setFocus();
 434             return aView;
 435           }
 436         }
 437       }
 438     }
 439     return NULL;
 440   }
 441
 442   SVTK_ViewWindow* FindVtkViewWindow (SUIT_ViewManager* theMgr,
 443                                       SUIT_ViewWindow * theWindow)
 444   {
 445     if( !theMgr )
 446       return NULL;
 447
 448     QVector<SUIT_ViewWindow*> views = theMgr->getViews();
 449     if( views.contains( theWindow ) )
 450       return GetVtkViewWindow( theWindow );
 451     else
 452       return NULL;
 453   }
 454
 455   SVTK_ViewWindow* GetVtkViewWindow(SUIT_ViewWindow* theWindow){
 456     return dynamic_cast<SVTK_ViewWindow*>(theWindow);
 457   }
 458
 459 /*  SUIT_ViewWindow* GetActiveWindow()
 460   {
 461     SalomeApp_Application* app = dynamic_cast<SalomeApp_Application*>( SUIT_Session::session()->activeApplication() );
 462     if( !app )
 463       return NULL;
 464     SUIT_ViewManager* mgr = app->activeViewManager();
 465     if( mgr )
 466       return mgr->getActiveView();
 467     else
 468       return NULL;
 469   }*/
 470
 471   SVTK_ViewWindow* GetCurrentVtkView(){
 472     return GetVtkViewWindow( GetActiveWindow() );
 473   }
 474
 475
 476   void RepaintCurrentView()
 477   {
 478     if (SVTK_ViewWindow* wnd = GetCurrentVtkView())
 479     {
 480       try {
 481 #if (OCC_VERSION_MAJOR << 16 | OCC_VERSION_MINOR << 8 | OCC_VERSION_MAINTENANCE) > 0x060100
 482         OCC_CATCH_SIGNALS;
 483 #endif
 484         wnd->getRenderer()->Render();
 485         wnd->Repaint(false);
 486       }
 487       catch (...) {
 488 #ifdef _DEBUG_
 489         MESSAGE ( "Exception in SMESHGUI_VTKUtils::RepaintCurrentView()" );
 490 #endif
 491         OnVisuException();
 492       }
 493     }
 494   }
 495
 496   void RepaintViewWindow(SVTK_ViewWindow* theWindow)
 497   {
 498     try {
 499 #if (OCC_VERSION_MAJOR << 16 | OCC_VERSION_MINOR << 8 | OCC_VERSION_MAINTENANCE) > 0x060100
 500       OCC_CATCH_SIGNALS;
 501 #endif
 502       theWindow->getRenderer()->Render();
 503       theWindow->Repaint();
 504     }
 505     catch (...) {
 506 #ifdef _DEBUG_
 507       MESSAGE ( "Exception in SMESHGUI_VTKUtils::RepaintViewWindow(SVTK_ViewWindow*)" );
 508 #endif
 509       OnVisuException();
 510     }
 511   }
 512
 513   void RenderViewWindow(SVTK_ViewWindow* theWindow)
 514   {
 515     try {
 516 #if (OCC_VERSION_MAJOR << 16 | OCC_VERSION_MINOR << 8 | OCC_VERSION_MAINTENANCE) > 0x060100
 517       OCC_CATCH_SIGNALS;
 518 #endif
 519       theWindow->getRenderer()->Render();
 520       theWindow->Repaint();
 521     }
 522     catch (...) {
 523 #ifdef _DEBUG_
 524       MESSAGE ( "Exception in SMESHGUI_VTKUtils::RenderViewWindow(SVTK_ViewWindow*)" );
 525 #endif
 526       OnVisuException();
 527     }
 528   }
 529
 530   void FitAll(){
 531     if(SVTK_ViewWindow* wnd = GetCurrentVtkView() ){
 532       try {
 533 #if (OCC_VERSION_MAJOR << 16 | OCC_VERSION_MINOR << 8 | OCC_VERSION_MAINTENANCE) > 0x060100
 534         OCC_CATCH_SIGNALS;
 535 #endif
 536         wnd->onFitAll();
 537         wnd->Repaint();
 538       }
 539       catch (...) {
 540 #ifdef _DEBUG_
 541         MESSAGE ( "Exception in SMESHGUI_VTKUtils::FitAll()" );
 542 #endif
 543         OnVisuException();
 544       }
 545     }
 546   }
 547
 548
 549   SMESH_Actor* FindActorByEntry(SUIT_ViewWindow *theWindow,
 550                                 const char* theEntry)
 551   {
 552     if(SVTK_ViewWindow* aViewWindow = GetVtkViewWindow(theWindow)){
 553       vtkRenderer *aRenderer = aViewWindow->getRenderer();
 554       VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
 555       vtkActorCollection *aCollection = aCopy.GetActors();
 556       aCollection->InitTraversal();
 557       while(vtkActor *anAct = aCollection->GetNextActor()){
 558         if(SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct)){
 559           if(anActor->hasIO()){
 560             Handle(SALOME_InteractiveObject) anIO = anActor->getIO();
 561             if(anIO->hasEntry() && strcmp(anIO->getEntry(),theEntry) == 0){
 562               return anActor;
 563             }
 564           }
 565         }
 566       }
 567     }
 568     return NULL;
 569   }
 570
 571
 572   SMESH_Actor* FindActorByEntry(const char* theEntry){
 573     return FindActorByEntry(GetActiveWindow(),theEntry);
 574   }
 575
 576
 577   SMESH_Actor* FindActorByObject(CORBA::Object_ptr theObject){
 578     SalomeApp_Application* app = dynamic_cast<SalomeApp_Application*>( SUIT_Session::session()->activeApplication() );
 579     if( !app )
 580       return NULL;
 581
 582     if(!CORBA::is_nil(theObject)){
 583       _PTR(Study) aStudy = GetActiveStudyDocument();
 584       CORBA::String_var anIOR = app->orb()->object_to_string( theObject );
 585       _PTR(SObject) aSObject = aStudy->FindObjectIOR(anIOR.in());
 586       if(aSObject){
 587         CORBA::String_var anEntry = aSObject->GetID().c_str();
 588         return FindActorByEntry(anEntry.in());
 589       }
 590     }
 591     return NULL;
 592   }
 593
 594
 595   SMESH_Actor* CreateActor(_PTR(Study) theStudy,
 596                            const char* theEntry,
 597                            int theIsClear)
 598   {
 599     SMESH_Actor *anActor = NULL;
 600     CORBA::Long anId = theStudy->StudyId();
 601     if(TVisualObjPtr aVisualObj = GetVisualObj(anId,theEntry)){
 602       _PTR(SObject) aSObj = theStudy->FindObjectID(theEntry);
 603       if(aSObj){
 604         _PTR(GenericAttribute) anAttr;
 605         if(aSObj->FindAttribute(anAttr,"AttributeName")){
 606           _PTR(AttributeName) aName = anAttr;
 607           std::string aNameVal = aName->Value();
 608           anActor = SMESH_Actor::New(aVisualObj,theEntry,aNameVal.c_str(),theIsClear);
 609         }
 610
 611         SMESH::SMESH_GroupBase_var aGroup = SMESH::SMESH_GroupBase::_narrow( SMESH::SObjectToObject( aSObj ));
 612         if(!CORBA::is_nil(aGroup) && anActor)
 613         {
 614           QColor c;
 615           int deltaF, deltaV;
 616           SMESH::GetColor( "SMESH", "fill_color", c, deltaF, "0,170,255|-100"  );
 617           SMESH::GetColor( "SMESH", "volume_color", c, deltaV, "255,0,170|-100"  );
 618           c = SMESH::GetColor( "SMESH", "default_grp_color", c );
 619           SALOMEDS::Color aColor = aGroup->GetColor();
 620           if( !( aColor.R > 0 || aColor.G > 0 || aColor.B > 0 ))
 621           {
 622             aColor.R = c.redF();
 623             aColor.G = c.greenF();
 624             aColor.B = c.blueF();
 625             aGroup->SetColor( aColor );
 626           }
 627           if( aGroup->GetType() == SMESH::NODE )
 628             anActor->SetNodeColor( aColor.R, aColor.G, aColor.B );
 629           else if( aGroup->GetType() == SMESH::EDGE )
 630             anActor->SetEdgeColor( aColor.R, aColor.G, aColor.B );
 631           else if( aGroup->GetType() == SMESH::ELEM0D )
 632             anActor->Set0DColor( aColor.R, aColor.G, aColor.B );
 633           else if( aGroup->GetType() == SMESH::BALL )
 634             anActor->SetBallColor( aColor.R, aColor.G, aColor.B );
 635           else if( aGroup->GetType() == SMESH::VOLUME )
 636             anActor->SetVolumeColor( aColor.R, aColor.G, aColor.B, deltaV );
 637           else
 638             anActor->SetSufaceColor( aColor.R, aColor.G, aColor.B, deltaF );
 639         }
 640       }
 641     }
 642     MESSAGE("CreateActor " << anActor);
 643     if( anActor )
 644       if( SMESHGUI* aSMESHGUI = SMESHGUI::GetSMESHGUI() )
 645         aSMESHGUI->addActorAsObserver( anActor );
 646     return anActor;
 647   }
 648
 649
 650   void DisplayActor( SUIT_ViewWindow *theWnd, SMESH_Actor* theActor){
 651     if(SVTK_ViewWindow* vtkWnd = GetVtkViewWindow(theWnd)){
 652       try {
 653 #if (OCC_VERSION_MAJOR << 16 | OCC_VERSION_MINOR << 8 | OCC_VERSION_MAINTENANCE) > 0x060100
 654         OCC_CATCH_SIGNALS;
 655 #endif
 656         MESSAGE("DisplayActor " << theActor);
 657         vtkWnd->AddActor(theActor);
 658         vtkWnd->Repaint();
 659       }
 660       catch (...) {
 661 #ifdef _DEBUG_
 662         MESSAGE ( "Exception in SMESHGUI_VTKUtils::DisplayActor()" );
 663 #endif
 664         OnVisuException();
 665       }
 666     }
 667   }
 668
 669
 670   void RemoveActor( SUIT_ViewWindow *theWnd, SMESH_Actor* theActor){
 671     if(SVTK_ViewWindow* vtkWnd = GetVtkViewWindow(theWnd)){
 672         MESSAGE("RemoveActor " << theActor);
 673       vtkWnd->RemoveActor(theActor);
 674       if(theActor->hasIO()){
 675         Handle(SALOME_InteractiveObject) anIO = theActor->getIO();
 676         if(anIO->hasEntry()){
 677           std::string anEntry = anIO->getEntry();
 678           SalomeApp_Study* aStudy = dynamic_cast<SalomeApp_Study*>( vtkWnd->getViewManager()->study() );
 679           int aStudyId = aStudy->id();
 680           TVisualObjCont::key_type aKey(aStudyId,anEntry);
 681           VISUAL_OBJ_CONT.erase(aKey);
 682         }
 683       }
 684       theActor->Delete();
 685       vtkWnd->Repaint();
 686     }
 687   }
 688
 689   //================================================================================
 690   /*!
 691    * \brief Return true if there are no SMESH actors in a view
 692    */
 693   //================================================================================
 694
 695   bool noSmeshActors(SUIT_ViewWindow *theWnd)
 696   {
 697     if(SVTK_ViewWindow* aViewWindow = GetVtkViewWindow(theWnd)) {
 698       vtkRenderer *aRenderer = aViewWindow->getRenderer();
 699       VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
 700       vtkActorCollection *aCollection = aCopy.GetActors();
 701       aCollection->InitTraversal();
 702       while(vtkActor *anAct = aCollection->GetNextActor())
 703         if(dynamic_cast<SMESH_Actor*>(anAct))
 704           return false;
 705     }
 706     return true;
 707   }
 708
 709   bool UpdateView(SUIT_ViewWindow *theWnd, EDisplaing theAction, const char* theEntry)
 710   {
 711         //MESSAGE("UpdateView");
 712     bool OK = false;
 713     SVTK_ViewWindow* aViewWnd = GetVtkViewWindow(theWnd);
 714     if (!aViewWnd)
 715       return OK;
 716
 717     SVTK_ViewWindow* vtkWnd = GetVtkViewWindow(theWnd);
 718     if (!vtkWnd)
 719       return OK;
 720
 721     SalomeApp_Study* aStudy = dynamic_cast<SalomeApp_Study*>( vtkWnd->getViewManager()->study() );
 722
 723     if (!aStudy)
 724       return OK;
 725
 726     {
 727       OK = true;
 728       vtkRenderer *aRenderer = aViewWnd->getRenderer();
 729       VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
 730       vtkActorCollection *aCollection = aCopy.GetActors();
 731       aCollection->InitTraversal();
 732
 733       switch (theAction) {
 734       case eDisplayAll: {
 735         while (vtkActor *anAct = aCollection->GetNextActor()) {
 736           if (SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct)) {
 737                 MESSAGE("--- display " << anActor);
 738             anActor->SetVisibility(true);
 739
 740             if(anActor->hasIO()){
 741               Handle(SALOME_InteractiveObject) anIO = anActor->getIO();
 742               if(anIO->hasEntry()){
 743                 aStudy->setVisibilityState(anIO->getEntry(), Qtx::ShownState);
 744               }
 745             }
 746           }
 747         }
 748         break;
 749       }
 750       case eDisplayOnly:
 751       case eEraseAll: {
 752         //MESSAGE("---case eDisplayOnly");
 753         while (vtkActor *anAct = aCollection->GetNextActor()) {
 754           if (SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct)) {
 755                 //MESSAGE("--- erase " << anActor);
 756             anActor->SetVisibility(false);
 757           }
 758         }
 759         aStudy->setVisibilityStateForAll(Qtx::HiddenState);
 760       }
 761       default: {
 762         if (SMESH_Actor *anActor = FindActorByEntry(theWnd,theEntry)) {
 763           switch (theAction) {
 764             case eDisplay:
 765             case eDisplayOnly:
 766                 //MESSAGE("--- display " << anActor);
 767               anActor->Update();
 768               anActor->SetVisibility(true);
 769               if (theAction == eDisplayOnly) aRenderer->ResetCameraClippingRange();
 770               aStudy->setVisibilityState(theEntry, Qtx::ShownState);
 771               break;
 772             case eErase:
 773                 //MESSAGE("--- erase " << anActor);
 774               anActor->SetVisibility(false);
 775               aStudy->setVisibilityState(theEntry, Qtx::HiddenState);
 776               break;
 777           }
 778         } else {
 779           switch (theAction) {
 780           case eDisplay:
 781           case eDisplayOnly:
 782             {
 783                 //MESSAGE("---");
 784               SalomeApp_Study* aStudy = dynamic_cast<SalomeApp_Study*>(theWnd->getViewManager()->study());
 785               _PTR(Study) aDocument = aStudy->studyDS();
 786               // Pass non-visual objects (hypotheses, etc.), return true in this case
 787               CORBA::Long anId = aDocument->StudyId();
 788               TVisualObjPtr aVisualObj;
 789               if ( (aVisualObj = GetVisualObj(anId,theEntry)) && aVisualObj->IsValid())
 790               {
 791                 if ((anActor = CreateActor(aDocument,theEntry,true))) {
 792                   bool needFitAll = noSmeshActors(theWnd); // fit for the first object only
 793                   DisplayActor(theWnd,anActor);
 794                   aStudy->setVisibilityState(theEntry, Qtx::ShownState);
 795                   // FitAll(); - PAL16770(Display of a group performs an automatic fit all)
 796                   if (needFitAll) FitAll();
 797                 } else {
 798                   OK = false;
 799                 }
 800               }
 801               break;
 802             }
 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     SUIT_ViewWindow *aWnd = app->activeViewManager()->getActiveView();
 817     return UpdateView(aWnd,theAction,theEntry);
 818   }
 819
 820   void UpdateView(){
 821     if(SVTK_ViewWindow* aWnd = SMESH::GetCurrentVtkView()){
 822       LightApp_SelectionMgr* mgr = SMESHGUI::selectionMgr();
 823       SALOME_ListIO selected; mgr->selectedObjects( selected );
 824
 825       if( selected.Extent() == 0){
 826         vtkRenderer* aRenderer = aWnd->getRenderer();
 827         VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
 828         vtkActorCollection *aCollection = aCopy.GetActors();
 829         aCollection->InitTraversal();
 830         while(vtkActor *anAct = aCollection->GetNextActor()){
 831           if(SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct)){
 832             if(anActor->hasIO())
 833               if (!Update(anActor->getIO(),anActor->GetVisibility()))
 834                 break; // avoid multiple warinings if visu failed
 835           }
 836         }
 837       }else{
 838         SALOME_ListIteratorOfListIO anIter( selected );
 839         for( ; anIter.More(); anIter.Next()){
 840           Handle(SALOME_InteractiveObject) anIO = anIter.Value();
 841           if ( !Update(anIO,true) )
 842             break; // avoid multiple warinings if visu failed
 843         }
 844       }
 845       RepaintCurrentView();
 846     }
 847   }
 848
 849
 850   bool Update(const Handle(SALOME_InteractiveObject)& theIO, bool theDisplay)
 851   {
 852         MESSAGE("Update");
 853     _PTR(Study) aStudy = GetActiveStudyDocument();
 854     CORBA::Long anId = aStudy->StudyId();
 855     if ( TVisualObjPtr aVisualObj = SMESH::GetVisualObj(anId,theIO->getEntry())) {
 856       if ( theDisplay )
 857         UpdateView(SMESH::eDisplay,theIO->getEntry());
 858       return true;
 859     }
 860     return false;
 861   }
 862
 863   bool UpdateNulData(const Handle(SALOME_InteractiveObject)& theIO, bool theDisplay)
 864   {
 865         MESSAGE("UpdateNulData");
 866     _PTR(Study) aStudy = GetActiveStudyDocument();
 867     CORBA::Long anId = aStudy->StudyId();
 868     if ( TVisualObjPtr aVisualObj = SMESH::GetVisualObj(anId,theIO->getEntry(), true)) {
 869       if ( theDisplay )
 870         UpdateView(SMESH::eDisplay,theIO->getEntry());
 871       return true;
 872     }
 873     return false;
 874   }
 875
 876   void UpdateSelectionProp( SMESHGUI* theModule ) {
 877     if( !theModule )
 878       return;
 879
 880     SalomeApp_Application* app = dynamic_cast< SalomeApp_Application* >( theModule->application() );
 881     if( !app )
 882     {
 883       MESSAGE( "UpdateSelectionProp: Application is null" );
 884       return;
 885     }
 886
 887     SUIT_ViewManager* vm = app->activeViewManager();
 888     if( !vm )
 889     {
 890       MESSAGE( "UpdateSelectionProp: View manager is null" );
 891       return;
 892     }
 893
 894     QVector<SUIT_ViewWindow*> views = vm->getViews();
 895
 896     SUIT_ResourceMgr* mgr = SMESH::GetResourceMgr( theModule );
 897     if( !mgr )
 898     {
 899       MESSAGE( "UpdateSelectionProp: Resource manager is null" );
 900       return;
 901     }
 902
 903     QColor aHiColor = mgr->colorValue( "SMESH", "selection_object_color", Qt::white ),
 904            aSelColor = mgr->colorValue( "SMESH", "selection_element_color", Qt::yellow ),
 905            aPreColor = mgr->colorValue( "SMESH", "highlight_color", Qt::cyan );
 906
 907     int aElem0DSize = mgr->integerValue("SMESH", "elem0d_size", 5);
 908     int aBallSize   = mgr->integerValue("SMESH", "ball_elem_size", 5);
 909     int aLineWidth  = mgr->integerValue("SMESH", "element_width", 1);
 910     int maxSize = aElem0DSize;
 911     if (aElem0DSize > maxSize) maxSize = aElem0DSize;
 912     if (aLineWidth > maxSize) maxSize = aLineWidth;
 913     if (aBallSize > maxSize) maxSize = aBallSize;
 914
 915     double SP1 = mgr->doubleValue( "SMESH", "selection_precision_node", 0.025 ),
 916            SP2 = mgr->doubleValue( "SMESH", "selection_precision_element", 0.001 ),
 917            SP3 = mgr->doubleValue( "SMESH", "selection_precision_object", 0.025 );
 918
 919     for ( int i=0, n=views.count(); i<n; i++ ){
 920       // update VTK viewer properties
 921       if(SVTK_ViewWindow* aVtkView = GetVtkViewWindow( views[i] )){
 922         // mesh element selection
 923         aVtkView->SetSelectionProp(aSelColor.red()/255.,
 924                                    aSelColor.green()/255.,
 925                                    aSelColor.blue()/255.);
 926         // tolerances
 927         aVtkView->SetSelectionTolerance(SP1, SP2, SP3);
 928
 929         // pre-selection
 930         aVtkView->SetPreselectionProp(aPreColor.red()/255.,
 931                                       aPreColor.green()/255.,
 932                                       aPreColor.blue()/255.);
 933         // update actors
 934         vtkRenderer* aRenderer = aVtkView->getRenderer();
 935         VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
 936         vtkActorCollection *aCollection = aCopy.GetActors();
 937         aCollection->InitTraversal();
 938         while(vtkActor *anAct = aCollection->GetNextActor()){
 939           if(SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct)){
 940             anActor->SetHighlightColor(aHiColor.red()/255.,
 941                                        aHiColor.green()/255.,
 942                                        aHiColor.blue()/255.);
 943             anActor->SetPreHighlightColor(aPreColor.red()/255.,
 944                                           aPreColor.green()/255.,
 945                                           aPreColor.blue()/255.);
 946           }
 947         }
 948       }
 949     }
 950   }
 951
 952
 953   void UpdateFontProp( SMESHGUI* theModule )
 954   {
 955     if ( !theModule ) return;
 956
 957     SalomeApp_Application* app = dynamic_cast< SalomeApp_Application* >( theModule->application() );
 958     if ( !app ) return;
 959
 960     SUIT_ResourceMgr* mgr = SMESH::GetResourceMgr( theModule );
 961     if ( !mgr ) return;
 962     //
 963     double anRGBNd[3] = {1,1,1};
 964     SMESH::GetColor( "SMESH", "numbering_node_color", anRGBNd[0], anRGBNd[1], anRGBNd[2], QColor( 255, 255, 255 ) );
 965     int aSizeNd = 10;
 966     SMESH::LabelFont aFamilyNd = SMESH::FntTimes;
 967     bool aBoldNd    = true;
 968     bool anItalicNd = false;
 969     bool aShadowNd  = false;
 970
 971     if ( mgr->hasValue( "SMESH", "numbering_node_font" ) ) {
 972       QFont f = mgr->fontValue( "SMESH", "numbering_node_font" );
 973       if ( f.family()      == "Arial" )   aFamilyNd = SMESH::FntArial;
 974       else if ( f.family() == "Courier" ) aFamilyNd = SMESH::FntCourier;
 975       else if ( f.family() == "Times" )   aFamilyNd = SMESH::FntTimes;
 976       aBoldNd    = f.bold();
 977       anItalicNd = f.italic();
 978       aShadowNd  = f.overline();
 979       aSizeNd    = f.pointSize();
 980     }
 981     //
 982     double anRGBEl[3] = {0,1,0};
 983     SMESH::GetColor( "SMESH", "numbering_elem_color", anRGBEl[0], anRGBEl[1], anRGBEl[2], QColor( 0, 255, 0 ) );
 984     int aSizeEl = 12;
 985     SMESH::LabelFont aFamilyEl = SMESH::FntTimes;
 986     bool aBoldEl    = true;
 987     bool anItalicEl = false;
 988     bool aShadowEl  = false;
 989
 990     if ( mgr->hasValue( "SMESH", "numbering_elem_font" ) ) {
 991       QFont f = mgr->fontValue( "SMESH", "numbering_elem_font" );
 992
 993       if ( f.family()      == "Arial" )   aFamilyEl = SMESH::FntArial;
 994       else if ( f.family() == "Courier" ) aFamilyEl = SMESH::FntCourier;
 995       else if ( f.family() == "Times" )   aFamilyEl = SMESH::FntTimes;
 996       aBoldEl    = f.bold();
 997       anItalicEl = f.italic();
 998       aShadowEl  = f.overline();
 999       aSizeEl    = f.pointSize();
1000     }
1001     //
1002     ViewManagerList vmList;
1003     app->viewManagers( SVTK_Viewer::Type(), vmList );
1004     foreach ( SUIT_ViewManager* vm, vmList ) {
1005       QVector<SUIT_ViewWindow*> views = vm->getViews();
1006       foreach ( SUIT_ViewWindow* vw, views ) {
1007         // update VTK viewer properties
1008         if ( SVTK_ViewWindow* aVtkView = GetVtkViewWindow( vw ) ) {
1009           // update actors
1010           vtkRenderer* aRenderer = aVtkView->getRenderer();
1011           VTK::ActorCollectionCopy aCopy( aRenderer->GetActors() );
1012           vtkActorCollection* aCollection = aCopy.GetActors();
1013           aCollection->InitTraversal();
1014           while ( vtkActor* anAct = aCollection->GetNextActor() ) {
1015             if ( SMESH_NodeLabelActor* anActor = dynamic_cast< SMESH_NodeLabelActor* >( anAct ) ) {
1016               anActor->SetFontProperties( aFamilyNd, aSizeNd, aBoldNd, anItalicNd, aShadowNd, anRGBNd[0], anRGBNd[1], anRGBNd[2] );
1017             }
1018             else if ( SMESH_CellLabelActor* anActor = dynamic_cast< SMESH_CellLabelActor* >( anAct ) ) {
1019               anActor->SetFontProperties( aFamilyEl, aSizeEl, aBoldEl, anItalicEl, aShadowEl, anRGBEl[0], anRGBEl[1], anRGBEl[2] );
1020             }
1021           }
1022           aVtkView->Repaint( false );
1023         }
1024       }
1025     }
1026   }
1027
1028   //----------------------------------------------------------------------------
1029   SVTK_Selector*
1030   GetSelector(SUIT_ViewWindow *theWindow)
1031   {
1032     if(SVTK_ViewWindow* aWnd = GetVtkViewWindow(theWindow))
1033       return aWnd->GetSelector();
1034
1035     return NULL;
1036   }
1037
1038   void SetFilter(const Handle(VTKViewer_Filter)& theFilter,
1039                  SVTK_Selector* theSelector)
1040   {
1041     if (theSelector)
1042       theSelector->SetFilter(theFilter);
1043   }
1044
1045   Handle(VTKViewer_Filter) GetFilter(int theId, SVTK_Selector* theSelector)
1046   {
1047     return theSelector->GetFilter(theId);
1048   }
1049
1050   bool IsFilterPresent(int theId, SVTK_Selector* theSelector)
1051   {
1052     return theSelector->IsFilterPresent(theId);
1053   }
1054
1055   void RemoveFilter(int theId, SVTK_Selector* theSelector)
1056   {
1057     theSelector->RemoveFilter(theId);
1058   }
1059
1060   void RemoveFilters(SVTK_Selector* theSelector)
1061   {
1062     for ( int id = SMESH::NodeFilter; theSelector && id < SMESH::LastFilter; id++ )
1063       theSelector->RemoveFilter( id );
1064   }
1065
1066   bool IsValid(SALOME_Actor* theActor, int theCellId,
1067                SVTK_Selector* theSelector)
1068   {
1069     return theSelector->IsValid(theActor,theCellId);
1070   }
1071
1072
1073   //----------------------------------------------------------------------------
1074   void SetPointRepresentation(bool theIsVisible){
1075     if(SVTK_ViewWindow* aViewWindow = GetCurrentVtkView()){
1076       vtkRenderer *aRenderer = aViewWindow->getRenderer();
1077       VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
1078       vtkActorCollection *aCollection = aCopy.GetActors();
1079       aCollection->InitTraversal();
1080       while(vtkActor *anAct = aCollection->GetNextActor()){
1081         if(SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct)){
1082           if(anActor->GetVisibility()){
1083             anActor->SetPointRepresentation(theIsVisible);
1084           }
1085         }
1086       }
1087       RepaintCurrentView();
1088     }
1089   }
1090
1091
1092   void SetPickable(SMESH_Actor* theActor){
1093     if(SVTK_ViewWindow* aWnd = GetCurrentVtkView()){
1094       int anIsAllPickable = (theActor == NULL);
1095       vtkRenderer *aRenderer = aWnd->getRenderer();
1096       VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
1097       vtkActorCollection *aCollection = aCopy.GetActors();
1098       aCollection->InitTraversal();
1099       while(vtkActor *anAct = aCollection->GetNextActor()){
1100         if(SALOME_Actor *anActor = dynamic_cast<SALOME_Actor*>(anAct)){
1101           if(anActor->GetVisibility()){
1102             anActor->SetPickable(anIsAllPickable);
1103           }
1104         }
1105       }
1106       if(theActor)
1107         theActor->SetPickable(!anIsAllPickable);
1108       RepaintCurrentView();
1109     }
1110   }
1111
1112
1113   //----------------------------------------------------------------------------
1114   int GetNameOfSelectedNodes(SVTK_Selector* theSelector,
1115                              const Handle(SALOME_InteractiveObject)& theIO,
1116                              QString& theName)
1117   {
1118     theName = "";
1119     TColStd_IndexedMapOfInteger aMapIndex;
1120     theSelector->GetIndex(theIO,aMapIndex);
1121
1122     for(int i = 1; i <= aMapIndex.Extent(); i++)
1123       theName += QString(" %1").arg(aMapIndex(i));
1124
1125     return aMapIndex.Extent();
1126   }
1127
1128   int GetNameOfSelectedElements(SVTK_Selector* theSelector,
1129                                 const Handle(SALOME_InteractiveObject)& theIO,
1130                                 QString& theName)
1131   {
1132     theName = "";
1133     TColStd_IndexedMapOfInteger aMapIndex;
1134     theSelector->GetIndex(theIO,aMapIndex);
1135
1136     typedef std::set<int> TIdContainer;
1137     TIdContainer anIdContainer;
1138     for( int i = 1; i <= aMapIndex.Extent(); i++)
1139       anIdContainer.insert(aMapIndex(i));
1140
1141     TIdContainer::const_iterator anIter = anIdContainer.begin();
1142     for( ; anIter != anIdContainer.end(); anIter++)
1143       theName += QString(" %1").arg(*anIter);
1144
1145     return aMapIndex.Extent();
1146   }
1147
1148
1149   int GetEdgeNodes(SVTK_Selector* theSelector,
1150                    const TVisualObjPtr& theVisualObject,
1151                    int& theId1,
1152                    int& theId2)
1153   {
1154     const SALOME_ListIO& selected = theSelector->StoredIObjects();
1155
1156     if ( selected.Extent() != 1 )
1157       return -1;
1158
1159     Handle(SALOME_InteractiveObject) anIO = selected.First();
1160     if ( anIO.IsNull() || !anIO->hasEntry() )
1161       return -1;
1162
1163     TColStd_IndexedMapOfInteger aMapIndex;
1164     theSelector->GetIndex( anIO, aMapIndex );
1165     if ( aMapIndex.Extent() != 2 )
1166       return -1;
1167
1168     int anObjId = -1, anEdgeNum = -1;
1169     for ( int i = 1; i <= aMapIndex.Extent(); i++ ) {
1170       int aVal = aMapIndex( i );
1171       if ( aVal > 0 )
1172         anObjId = aVal;
1173       else
1174         anEdgeNum = abs( aVal ) - 1;
1175     }
1176
1177     if ( anObjId == -1 || anEdgeNum == -1 )
1178       return -1;
1179
1180     return theVisualObject->GetEdgeNodes( anObjId, anEdgeNum, theId1, theId2 ) ? 1 : -1;
1181   }
1182
1183   //----------------------------------------------------------------------------
1184   int GetNameOfSelectedNodes(LightApp_SelectionMgr *theMgr,
1185                              const Handle(SALOME_InteractiveObject)& theIO,
1186                              QString& theName)
1187   {
1188     theName = "";
1189     if(theIO->hasEntry()){
1190       if(FindActorByEntry(theIO->getEntry())){
1191         TColStd_IndexedMapOfInteger aMapIndex;
1192         theMgr->GetIndexes(theIO,aMapIndex);
1193         for(int i = 1; i <= aMapIndex.Extent(); i++){
1194           theName += QString(" %1").arg(aMapIndex(i));
1195         }
1196         return aMapIndex.Extent();
1197       }
1198     }
1199     return -1;
1200   }
1201
1202   int GetNameOfSelectedNodes(LightApp_SelectionMgr *theMgr, QString& theName){
1203     theName = "";
1204     SALOME_ListIO selected; theMgr->selectedObjects( selected );
1205     if(selected.Extent() == 1){
1206       Handle(SALOME_InteractiveObject) anIO = selected.First();
1207       return GetNameOfSelectedNodes(theMgr,anIO,theName);
1208     }
1209     return -1;
1210   }
1211
1212
1213   int GetNameOfSelectedElements(LightApp_SelectionMgr *theMgr,
1214                                 const Handle(SALOME_InteractiveObject)& theIO,
1215                                 QString& theName)
1216   {
1217     theName = "";
1218     if(theIO->hasEntry()){
1219       if(FindActorByEntry(theIO->getEntry())){
1220         TColStd_IndexedMapOfInteger aMapIndex;
1221         theMgr->GetIndexes(theIO,aMapIndex);
1222         typedef std::set<int> TIdContainer;
1223         TIdContainer anIdContainer;
1224         for( int i = 1; i <= aMapIndex.Extent(); i++)
1225           anIdContainer.insert(aMapIndex(i));
1226         TIdContainer::const_iterator anIter = anIdContainer.begin();
1227         for( ; anIter != anIdContainer.end(); anIter++){
1228           theName += QString(" %1").arg(*anIter);
1229         }
1230         return aMapIndex.Extent();
1231       }
1232     }
1233     return -1;
1234   }
1235
1236
1237   int GetNameOfSelectedElements(LightApp_SelectionMgr *theMgr, QString& theName)
1238   {
1239     theName = "";
1240     SALOME_ListIO selected; theMgr->selectedObjects( selected );
1241
1242     if( selected.Extent() == 1){
1243       Handle(SALOME_InteractiveObject) anIO = selected.First();
1244       return GetNameOfSelectedElements(theMgr,anIO,theName);
1245     }
1246     return -1;
1247   }
1248
1249   int GetSelected(LightApp_SelectionMgr*       theMgr,
1250                   TColStd_IndexedMapOfInteger& theMap,
1251                   const bool                   theIsElement)
1252   {
1253     theMap.Clear();
1254     SALOME_ListIO selected; theMgr->selectedObjects( selected );
1255
1256     if ( selected.Extent() == 1 )
1257     {
1258       Handle(SALOME_InteractiveObject) anIO = selected.First();
1259       if ( anIO->hasEntry() ) {
1260         theMgr->GetIndexes( anIO, theMap );
1261       }
1262     }
1263     return theMap.Extent();
1264   }
1265
1266
1267   int GetEdgeNodes( LightApp_SelectionMgr* theMgr, int& theId1, int& theId2 )
1268   {
1269     SALOME_ListIO selected; theMgr->selectedObjects( selected );
1270
1271     if ( selected.Extent() != 1 )
1272       return -1;
1273
1274     Handle(SALOME_InteractiveObject) anIO = selected.First();
1275     if ( anIO.IsNull() || !anIO->hasEntry() )
1276       return -1;
1277
1278     SMESH_Actor *anActor = SMESH::FindActorByEntry( anIO->getEntry() );
1279     if ( anActor == 0 )
1280       return -1;
1281
1282     TColStd_IndexedMapOfInteger aMapIndex;
1283     theMgr->GetIndexes( anIO, aMapIndex );
1284     if ( aMapIndex.Extent() != 2 )
1285       return -1;
1286
1287     int anObjId = -1, anEdgeNum = -1;
1288     for ( int i = 1; i <= aMapIndex.Extent(); i++ ) {
1289       int aVal = aMapIndex( i );
1290       if ( aVal > 0 )
1291         anObjId = aVal;
1292       else
1293         anEdgeNum = abs( aVal );
1294     }
1295
1296     if ( anObjId == -1 || anEdgeNum == -1 )
1297       return -1;
1298
1299     return anActor->GetObject()->GetEdgeNodes( anObjId, anEdgeNum, theId1, theId2 ) ? 1 : -1;
1300   }
1301
1302   void SetControlsPrecision( const long theVal )
1303   {
1304     if( SVTK_ViewWindow* aWnd = SMESH::GetCurrentVtkView() )
1305     {
1306       vtkRenderer *aRenderer = aWnd->getRenderer();
1307       VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
1308       vtkActorCollection *aCollection = aCopy.GetActors();
1309       aCollection->InitTraversal();
1310
1311       while ( vtkActor *anAct = aCollection->GetNextActor())
1312       {
1313         if ( SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>( anAct ) )
1314         {
1315           anActor->SetControlsPrecision( theVal );
1316           anActor->SetControlMode( anActor->GetControlMode() );
1317         }
1318       }
1319
1320     }
1321   }
1322
1323   //----------------------------------------------------------------------------
1324   // internal function
1325   void ComputeBoundsParam( double theBounds[6],
1326                            double theDirection[3],
1327                            double theMinPnt[3],
1328                            double& theMaxBoundPrj,
1329                            double& theMinBoundPrj )
1330   {
1331     //Enlarge bounds in order to avoid conflicts of precision
1332     for(int i = 0; i < 6; i += 2){
1333       static double EPS = 1.0E-3;
1334       double aDelta = (theBounds[i+1] - theBounds[i])*EPS;
1335       theBounds[i] -= aDelta;
1336       theBounds[i+1] += aDelta;
1337     }
1338
1339     double aBoundPoints[8][3] = { {theBounds[0],theBounds[2],theBounds[4]},
1340                                                 {theBounds[1],theBounds[2],theBounds[4]},
1341                                                 {theBounds[0],theBounds[3],theBounds[4]},
1342                                                 {theBounds[1],theBounds[3],theBounds[4]},
1343                                                 {theBounds[0],theBounds[2],theBounds[5]},
1344                                                 {theBounds[1],theBounds[2],theBounds[5]},
1345                                                 {theBounds[0],theBounds[3],theBounds[5]},
1346                                                 {theBounds[1],theBounds[3],theBounds[5]}};
1347
1348     int aMaxId = 0;
1349     theMaxBoundPrj = vtkMath::Dot(theDirection,aBoundPoints[aMaxId]);
1350     theMinBoundPrj = theMaxBoundPrj;
1351     for(int i = 1; i < 8; i++){
1352       double aTmp = vtkMath::Dot(theDirection,aBoundPoints[i]);
1353       if(theMaxBoundPrj < aTmp){
1354         theMaxBoundPrj = aTmp;
1355         aMaxId = i;
1356       }
1357       if(theMinBoundPrj > aTmp){
1358         theMinBoundPrj = aTmp;
1359       }
1360     }
1361     double *aMinPnt = aBoundPoints[aMaxId];
1362     theMinPnt[0] = aMinPnt[0];
1363     theMinPnt[1] = aMinPnt[1];
1364     theMinPnt[2] = aMinPnt[2];
1365   }
1366
1367   // internal function
1368   void DistanceToPosition( double theBounds[6],
1369                            double theDirection[3],
1370                            double theDist,
1371                            double thePos[3] )
1372   {
1373     double aMaxBoundPrj, aMinBoundPrj, aMinPnt[3];
1374     ComputeBoundsParam(theBounds,theDirection,aMinPnt,aMaxBoundPrj,aMinBoundPrj);
1375     double aLength = (aMaxBoundPrj-aMinBoundPrj)*theDist;
1376     thePos[0] = aMinPnt[0]-theDirection[0]*aLength;
1377     thePos[1] = aMinPnt[1]-theDirection[1]*aLength;
1378     thePos[2] = aMinPnt[2]-theDirection[2]*aLength;
1379   }
1380
1381   // internal function (currently unused, left just in case)
1382   void PositionToDistance( double theBounds[6],
1383                            double theDirection[3],
1384                            double thePos[3],
1385                            double& theDist )
1386   {
1387     double aMaxBoundPrj, aMinBoundPrj, aMinPnt[3];
1388     ComputeBoundsParam(theBounds,theDirection,aMinPnt,aMaxBoundPrj,aMinBoundPrj);
1389     double aPrj = vtkMath::Dot(theDirection,thePos);
1390     theDist = (aPrj-aMinBoundPrj)/(aMaxBoundPrj-aMinBoundPrj);
1391   }
1392
1393   bool ComputeClippingPlaneParameters( std::list<vtkActor*> theActorList,
1394                                        double theNormal[3],
1395                                        double theDist,
1396                                        double theBounds[6],
1397                                        double theOrigin[3] )
1398   {
1399     bool anIsOk = false;
1400     anIsOk = ComputeBounds( theActorList, theBounds );
1401
1402
1403     if( !anIsOk )
1404       return false;
1405
1406     DistanceToPosition( theBounds, theNormal, theDist, theOrigin );
1407     return true;
1408   }
1409
1410   bool ComputeBounds( std::list<vtkActor*> theActorList,
1411                       double theBounds[6])
1412   {
1413     bool anIsOk = false;
1414     theBounds[0] = theBounds[2] = theBounds[4] = VTK_DOUBLE_MAX;
1415     theBounds[1] = theBounds[3] = theBounds[5] = -VTK_DOUBLE_MAX;
1416     std::list<vtkActor*>::iterator anIter = theActorList.begin();
1417     for( ; anIter != theActorList.end(); anIter++ ) {
1418       if( vtkActor* aVTKActor = *anIter ) {
1419         if( SMESH_Actor* anActor = SMESH_Actor::SafeDownCast( aVTKActor ) ) {
1420           double aBounds[6];
1421           anActor->GetUnstructuredGrid()->GetBounds( aBounds );
1422           theBounds[0] = std::min( theBounds[0], aBounds[0] );
1423           theBounds[1] = std::max( theBounds[1], aBounds[1] );
1424           theBounds[2] = std::min( theBounds[2], aBounds[2] );
1425           theBounds[3] = std::max( theBounds[3], aBounds[3] );
1426           theBounds[4] = std::min( theBounds[4], aBounds[4] );
1427           theBounds[5] = std::max( theBounds[5], aBounds[5] );
1428           anIsOk = true;
1429         }
1430       }
1431     }
1432     return anIsOk;
1433   }
1434
1435 #ifndef DISABLE_PLOT2DVIEWER
1436   //================================================================================
1437   /*!
1438    * \brief Find all SMESH_Actor's in the View Window.
1439    * If actor constains Plot2d_Histogram object remove it from each Plot2d Viewer.
1440    */
1441   //================================================================================
1442
1443   void ClearPlot2Viewers( SUIT_ViewWindow* theWindow ) {
1444     if(SVTK_ViewWindow* aViewWindow = GetVtkViewWindow(theWindow)){
1445       vtkRenderer *aRenderer = aViewWindow->getRenderer();
1446       VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
1447       vtkActorCollection *aCollection = aCopy.GetActors();
1448       aCollection->InitTraversal();
1449       while(vtkActor *anAct = aCollection->GetNextActor()){
1450         if(SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct)){
1451           if(anActor->hasIO() && anActor->GetPlot2Histogram() ){
1452             ProcessIn2DViewers(anActor,RemoveFrom2dViewer);
1453           }
1454         }
1455       }
1456     }
1457   }
1458
1459 #endif
1460
1461 } // end of namespace SMESH