lib/maracasVisuLib/src/interface/wxWindows/widgets/ThresholdImageView/LayerImageBase.cxx

   1
   2 /**
   3  *  \file
   4  *  \brief Class bbtk::ThresholdImageView .
   5  */
   6
   7 #include "LayerImageBase.h"
   8
   9 LayerImageBase::LayerImageBase()
  10 {
  11         _actorPresent                   =       false;
  12         _Z                                              =       0;
  13         _thresholdTable                 =       NULL;
  14         _thresholdMapper                =       NULL;
  15         _thresholdActor                 =       NULL;
  16         _image                                  =       NULL;
  17         _imageReslicer                  =       vtkImageReslice::New();
  18
  19 }
  20
  21 //----------------------------------------------------------------------------
  22   LayerImageBase::~LayerImageBase()
  23   {
  24   }
  25
  26 //----------------------------------------------------------------------------
  27 void LayerImageBase::SetZ(int z)
  28 {
  29         _Z = z;
  30 }
  31
  32 //----------------------------------------------------------------------------
  33 int LayerImageBase::GetZ()
  34 {
  35         return _Z;
  36 }
  37
  38 //----------------------------------------------------------------------------
  39 vtkImageData* LayerImageBase::GetImage()
  40 {
  41         return _image;
  42 }
  43
  44 //----------------------------------------------------------------------------
  45 bool LayerImageBase::GetActorPresent()
  46 {
  47         return _actorPresent;
  48 }
  49
  50
  51
  52 //----------------------------------------------------------------------------
  53 void LayerImageBase::SetImage(vtkImageData* image)
  54 {
  55         _image = image;
  56 }
  57
  58 //----------------------------------------------------------------------------
  59 void LayerImageBase::SetwxVtkBaseView(wxVtkBaseView *baseview)
  60 {
  61         _baseView = baseview;
  62 }
  63
  64 //----------------------------------------------------------------------------
  65 wxVtkBaseView *LayerImageBase::GetwxVtkBaseView()
  66 {
  67         return _baseView;
  68 }
  69
  70
  71
  72 //----------------------------------------------------------------------------
  73 vtkLookupTable* LayerImageBase::GetThresholdTable()
  74 {
  75         return _thresholdTable;
  76 }
  77
  78
  79
  80 //----------------------------------------------------------------------------
  81 void LayerImageBase::onThreshold()
  82 {
  83         int     z = GetZ();
  84
  85         if (!GetActorPresent())
  86         {
  87                 if (_thresholdTable==NULL)
  88                 {
  89                         //Lookup Table
  90                         _thresholdTable = vtkLookupTable::New();
  91                 } // _thresholdTable
  92
  93                 if (_thresholdMapper==NULL)
  94                 {
  95                         _thresholdMapper = vtkImageMapToColors::New( );
  96                 }
  97
  98                 if (_thresholdActor==NULL)
  99                 {
 100                         _thresholdActor = vtkImageActor::New( );
 101                         _thresholdActor->SetOpacity( 0.6 );
 102                         _thresholdActor->InterpolateOn(  );
 103                         _thresholdActor->SetPosition( 0,0, 900-1 );
 104                 } // _thresholdActor
 105
 106
 107                 _baseView->GetRenderer()->AddActor( _thresholdActor );
 108                 _actorPresent = true;
 109         }  // !GetActorPresent()
 110
 111         ConfigLookupTable();  // virtual method
 112         _imageReslicer->SetInput( GetImage() );
 113         _imageReslicer->SetInformationInput( GetImage() );
 114         _imageReslicer->SetResliceAxesDirectionCosines(1,0,0, 0,1,0 ,0,0,1);
 115         _imageReslicer->SetOutputDimensionality(2);
 116         _imageReslicer->SetInterpolationModeToLinear();
 117         _imageReslicer->SetResliceAxesOrigin(0,0,z);
 118
 119         vtkImageData *img = _imageReslicer->GetOutput();
 120         img->Update();
 121         img->UpdateInformation();
 122
 123         _thresholdMapper->SetInput( img );
 124         _thresholdMapper->SetLookupTable( _thresholdTable );
 125         _thresholdActor->SetInput( _thresholdMapper->GetOutput() );
 126 }
 127
 128
 129
 130 //----------------------------------------------------------------------------
 131 void LayerImageBase::onThresholdChange()
 132 {
 133         if (_actorPresent)
 134         {
 135                 onThreshold();
 136         }
 137 }
 138
 139 //----------------------------------------------------------------------------
 140 void LayerImageBase::onThresholdInterpolation(bool interpolate)
 141 {
 142         if (_thresholdActor!=NULL)
 143         {
 144                 if (interpolate)
 145                 {
 146                         _thresholdActor->InterpolateOn( );
 147                 }
 148                 else
 149                 {
 150                         _thresholdActor->InterpolateOff( );
 151                 }
 152         }
 153 }
 154
 155 //----------------------------------------------------------------------------
 156 void LayerImageBase::onThresholdChangeOpacity (int opacity)
 157 {
 158         if (_actorPresent)
 159         {
 160                 _thresholdActor->SetOpacity(opacity*0.1);
 161         }
 162 }
 163
 164 //----------------------------------------------------------------------------
 165 void LayerImageBase::onThresholdRemove()
 166 {
 167         if (_actorPresent)
 168         {
 169                 wxVtkBaseView * baseView = _baseView;
 170                 baseView->GetRenderer()->RemoveActor( _thresholdActor );
 171                 _actorPresent = false;
 172         }
 173 }
 174
 175
 176
 177
 178 // EOF
 179