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         _baseView               =   NULL;
  18         _imageReslicer                  =       vtkImageReslice::New();
  19
  20 }
  21
  22 //----------------------------------------------------------------------------
  23   LayerImageBase::~LayerImageBase()
  24   {
  25   }
  26
  27 //----------------------------------------------------------------------------
  28 void LayerImageBase::SetZ(int z)
  29 {
  30         _Z = z;
  31 }
  32
  33 //----------------------------------------------------------------------------
  34 int LayerImageBase::GetZ()  // virtual
  35 {
  36         return _Z;
  37 }
  38
  39 //----------------------------------------------------------------------------
  40 vtkImageData* LayerImageBase::GetImage()
  41 {
  42         return _image;
  43 }
  44
  45 //----------------------------------------------------------------------------
  46 bool LayerImageBase::GetActorPresent()
  47 {
  48         return _actorPresent;
  49 }
  50
  51
  52
  53 //----------------------------------------------------------------------------
  54 void LayerImageBase::SetImage(vtkImageData* image)
  55 {
  56         _image = image;
  57 }
  58
  59 //----------------------------------------------------------------------------
  60 void LayerImageBase::SetwxVtkBaseView(wxVtkBaseView *baseview)
  61 {
  62         _baseView = baseview;
  63 }
  64
  65 //----------------------------------------------------------------------------
  66 wxVtkBaseView *LayerImageBase::GetwxVtkBaseView()
  67 {
  68         return _baseView;
  69 }
  70
  71 //----------------------------------------------------------------------------
  72 void LayerImageBase::Refresh()
  73 {
  74     if (_baseView!=NULL)
  75     {
  76         _baseView->Refresh();
  77     }
  78 }
  79
  80
  81 //----------------------------------------------------------------------------
  82 vtkLookupTable* LayerImageBase::GetThresholdTable()
  83 {
  84         return _thresholdTable;
  85 }
  86
  87 //----------------------------------------------------------------------------
  88 int LayerImageBase::CleanZ(int z)
  89 {
  90         int ext[6];
  91         _image->GetWholeExtent(ext);
  92
  93         if (z<0)
  94         {
  95                 z=0;
  96         }
  97
  98         if ( z > (ext[5]-ext[4]) )
  99         {
 100                 z=ext[5]-ext[4];
 101         }
 102
 103         return z;
 104 }
 105
 106 //----------------------------------------------------------------------------
 107 void LayerImageBase::onThreshold()
 108 {
 109
 110         if ((_image!=NULL) && (_baseView!=NULL))
 111         {
 112                 int z=CleanZ( GetZ() );
 113
 114                 if (!GetActorPresent())
 115                 {
 116                         if (_thresholdTable==NULL)
 117                         {
 118                                 //Lookup Table
 119                                 _thresholdTable = vtkLookupTable::New();
 120                         } // _thresholdTable
 121
 122                         if (_thresholdMapper==NULL)
 123                         {
 124                                 _thresholdMapper = vtkImageMapToColors::New( );
 125                         }
 126
 127                         if (_thresholdActor==NULL)
 128                         {
 129                                 _thresholdActor = vtkImageActor::New( );
 130                                 _thresholdActor->SetOpacity( 0.6 );
 131                                 _thresholdActor->InterpolateOn(  );
 132                                 _thresholdActor->SetPosition( 0,0, 900-1 );
 133                         } // _thresholdActor
 134                         _baseView->GetRenderer()->AddActor( _thresholdActor );
 135                         _actorPresent = true;
 136                 }  // !GetActorPresent()
 137
 138                 ConfigLookupTable();  // virtual method
 139                 _imageReslicer->SetInput( GetImage() );
 140                 _imageReslicer->SetInformationInput( GetImage() );
 141                 _imageReslicer->SetResliceAxesDirectionCosines(1,0,0, 0,1,0 ,0,0,1);
 142                 _imageReslicer->SetOutputDimensionality(2);
 143                 _imageReslicer->SetInterpolationModeToLinear();
 144                 _imageReslicer->SetResliceAxesOrigin(0,0,z);
 145
 146                 vtkImageData *img = _imageReslicer->GetOutput();
 147 //              img->Update();
 148 //              img->UpdateInformation();
 149
 150                 _thresholdMapper->SetInput( img );
 151                 _thresholdMapper->SetLookupTable( _thresholdTable );
 152                 _thresholdActor->SetInput( _thresholdMapper->GetOutput() );
 153                 } // _image
 154 }
 155
 156
 157
 158 //----------------------------------------------------------------------------
 159 void LayerImageBase::onThresholdChange()
 160 {
 161         if (_actorPresent)
 162         {
 163                 onThreshold();
 164         }
 165 }
 166
 167 //----------------------------------------------------------------------------
 168 void LayerImageBase::onThresholdInterpolation(bool interpolate)
 169 {
 170         if (_thresholdActor!=NULL)
 171         {
 172                 if (interpolate)
 173                 {
 174                         _thresholdActor->InterpolateOn( );
 175                 }
 176                 else
 177                 {
 178                         _thresholdActor->InterpolateOff( );
 179                 }
 180         }
 181 }
 182
 183 //----------------------------------------------------------------------------
 184 void LayerImageBase::onThresholdChangeOpacity (int opacity)
 185 {
 186         if (_actorPresent)
 187         {
 188                 _thresholdActor->SetOpacity(opacity*0.1);
 189         }
 190 }
 191
 192 //----------------------------------------------------------------------------
 193 void LayerImageBase::onThresholdRemove()
 194 {
 195         if (_actorPresent)
 196         {
 197                 wxVtkBaseView * baseView = _baseView;
 198                 baseView->GetRenderer()->RemoveActor( _thresholdActor );
 199                 _actorPresent = false;
 200         }
 201 }
 202
 203
 204
 205
 206 // EOF
 207