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