src/SMESHGUI/SMESHGUI_IdPreview.cxx

   1 // Copyright (C) 2007-2015  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 #include "SMESHGUI_IdPreview.h"
  24
  25 #include <SALOME_Actor.h>
  26 #include <SMDS_Mesh.hxx>
  27 #include <SVTK_ViewWindow.h>
  28
  29 #include <TColStd_MapOfInteger.hxx>
  30 #include <TColStd_MapIteratorOfMapOfInteger.hxx>
  31
  32 #include <vtkActor2D.h>
  33 #include <vtkDataSetMapper.h>
  34 #include <vtkLabeledDataMapper.h>
  35 #include <vtkMaskPoints.h>
  36 #include <vtkPointData.h>
  37 #include <vtkProperty2D.h>
  38 #include <vtkRenderer.h>
  39 #include <vtkSelectVisiblePoints.h>
  40 #include <vtkTextProperty.h>
  41 #include <vtkUnstructuredGrid.h>
  42
  43 // Extracted from SMESHGUI_MergeDlg.cxx
  44
  45 SMESHGUI_IdPreview::SMESHGUI_IdPreview(SVTK_ViewWindow* theViewWindow):
  46   myViewWindow(theViewWindow)
  47 {
  48   myIdGrid = vtkUnstructuredGrid::New();
  49
  50   // Create and display actor
  51   vtkDataSetMapper* aMapper = vtkDataSetMapper::New();
  52   aMapper->SetInputData( myIdGrid );
  53
  54   myIdActor = SALOME_Actor::New();
  55   myIdActor->SetInfinitive(true);
  56   myIdActor->VisibilityOff();
  57   myIdActor->PickableOff();
  58
  59   myIdActor->SetMapper( aMapper );
  60   aMapper->Delete();
  61
  62   myViewWindow->AddActor(myIdActor);
  63
  64   //Definition of points numbering pipeline
  65   myPointsNumDataSet = vtkUnstructuredGrid::New();
  66
  67   myPtsMaskPoints = vtkMaskPoints::New();
  68   myPtsMaskPoints->SetInputData(myPointsNumDataSet);
  69   myPtsMaskPoints->SetOnRatio(1);
  70
  71   myPtsSelectVisiblePoints = vtkSelectVisiblePoints::New();
  72   myPtsSelectVisiblePoints->SetInputConnection(myPtsMaskPoints->GetOutputPort());
  73   myPtsSelectVisiblePoints->SelectInvisibleOff();
  74   myPtsSelectVisiblePoints->SetTolerance(0.1);
  75
  76   myPtsLabeledDataMapper = vtkLabeledDataMapper::New();
  77   myPtsLabeledDataMapper->SetInputConnection(myPtsSelectVisiblePoints->GetOutputPort());
  78   myPtsLabeledDataMapper->SetLabelModeToLabelScalars();
  79
  80   vtkTextProperty* aPtsTextProp = vtkTextProperty::New();
  81   aPtsTextProp->SetFontFamilyToTimes();
  82   static int aPointsFontSize = 12;
  83   aPtsTextProp->SetFontSize(aPointsFontSize);
  84   aPtsTextProp->SetBold(1);
  85   aPtsTextProp->SetItalic(0);
  86   aPtsTextProp->SetShadow(0);
  87   myPtsLabeledDataMapper->SetLabelTextProperty(aPtsTextProp);
  88   aPtsTextProp->Delete();
  89
  90   myIsPointsLabeled = false;
  91
  92   myPointLabels = vtkActor2D::New();
  93   myPointLabels->SetMapper(myPtsLabeledDataMapper);
  94   myPointLabels->GetProperty()->SetColor(1,1,1);
  95   myPointLabels->SetVisibility(myIsPointsLabeled);
  96
  97   AddToRender(myViewWindow->getRenderer());
  98 }
  99
 100 void SMESHGUI_IdPreview::SetPointsData ( SMDS_Mesh*                   theMesh,
 101                                          const TColStd_MapOfInteger & theNodesIdMap )
 102 {
 103   vtkPoints* aPoints = vtkPoints::New();
 104   aPoints->SetNumberOfPoints(theNodesIdMap.Extent());
 105   myIDs.clear();
 106
 107   TColStd_MapIteratorOfMapOfInteger idIter( theNodesIdMap );
 108   for( int i = 0; idIter.More(); idIter.Next(), i++ )
 109   {
 110     const SMDS_MeshNode* aNode = theMesh->FindNode(idIter.Key());
 111     aPoints->SetPoint( i, aNode->X(), aNode->Y(), aNode->Z() );
 112     myIDs.push_back(idIter.Key());
 113   }
 114
 115   myIdGrid->SetPoints(aPoints);
 116
 117   aPoints->Delete();
 118
 119   myIdActor->GetMapper()->Update();
 120 }
 121
 122 void SMESHGUI_IdPreview::SetElemsData( const std::vector<int> & theElemsIdMap,
 123                                        const std::list<gp_XYZ> & aGrCentersXYZ )
 124 {
 125   vtkPoints* aPoints = vtkPoints::New();
 126   aPoints->SetNumberOfPoints( theElemsIdMap.size() );
 127   myIDs = theElemsIdMap;
 128
 129   std::list<gp_XYZ>::const_iterator coordIt = aGrCentersXYZ.begin();
 130   for( int i = 0; coordIt != aGrCentersXYZ.end(); coordIt++, i++ )
 131     aPoints->SetPoint( i, coordIt->X(), coordIt->Y(), coordIt->Z() );
 132
 133   myIdGrid->SetPoints(aPoints);
 134   aPoints->Delete();
 135
 136   myIdActor->GetMapper()->Update();
 137 }
 138
 139 void SMESHGUI_IdPreview::AddToRender(vtkRenderer* theRenderer)
 140 {
 141   myIdActor->AddToRender(theRenderer);
 142
 143   myPtsSelectVisiblePoints->SetRenderer(theRenderer);
 144   theRenderer->AddActor2D(myPointLabels);
 145 }
 146
 147 void SMESHGUI_IdPreview::RemoveFromRender(vtkRenderer* theRenderer)
 148 {
 149   myIdActor->RemoveFromRender(theRenderer);
 150
 151   myPtsSelectVisiblePoints->SetRenderer(theRenderer);
 152   theRenderer->RemoveActor(myPointLabels);
 153 }
 154
 155 void SMESHGUI_IdPreview::SetPointsLabeled( bool theIsPointsLabeled, bool theIsActorVisible )
 156 {
 157   myIsPointsLabeled = theIsPointsLabeled && myIdGrid->GetNumberOfPoints();
 158
 159   if ( myIsPointsLabeled ) {
 160     myPointsNumDataSet->ShallowCopy(myIdGrid);
 161     vtkDataSet *aDataSet = myPointsNumDataSet;
 162     int aNbElem = myIDs.size();
 163     vtkIntArray *anArray = vtkIntArray::New();
 164     anArray->SetNumberOfValues( aNbElem );
 165     for ( int i = 0; i < aNbElem; i++ )
 166       anArray->SetValue( i, myIDs[i] );
 167     aDataSet->GetPointData()->SetScalars( anArray );
 168     anArray->Delete();
 169     myPtsMaskPoints->SetInputData( aDataSet );
 170     myPointLabels->SetVisibility( theIsActorVisible );
 171   }
 172   else {
 173     myPointLabels->SetVisibility( false );
 174   }
 175 }
 176
 177 SMESHGUI_IdPreview::~SMESHGUI_IdPreview()
 178 {
 179   RemoveFromRender(myViewWindow->getRenderer());
 180
 181   myIdGrid->Delete();
 182
 183   myViewWindow->RemoveActor(myIdActor);
 184   myIdActor->Delete();
 185
 186   //Deleting of points numbering pipeline
 187   //---------------------------------------
 188   myPointsNumDataSet->Delete();
 189
 190   //myPtsLabeledDataMapper->RemoveAllInputs();        //vtk 5.0 porting
 191   myPtsLabeledDataMapper->Delete();
 192
 193   //myPtsSelectVisiblePoints->UnRegisterAllOutputs(); //vtk 5.0 porting
 194   myPtsSelectVisiblePoints->Delete();
 195
 196   //myPtsMaskPoints->UnRegisterAllOutputs();          //vtk 5.0 porting
 197   myPtsMaskPoints->Delete();
 198
 199   myPointLabels->Delete();
 200
 201   //       myTimeStamp->Delete();
 202 }