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()  // virtual
  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 int LayerImageBase::CleanZ(int z)
  80 {
  81         int ext[6];
  82         _image->GetWholeExtent(ext);
  83
  84         if (z<0)
  85         {
  86                 z=0;
  87         }
  88
  89         if ( z > (ext[5]-ext[4]) )
  90         {
  91                 z=ext[5]-ext[4];
  92         }
  93
  94         return z;
  95 }
  96
  97 //----------------------------------------------------------------------------
  98 void LayerImageBase::onThreshold()
  99 {
 100
 101         if (_image!=NULL)
 102         {
 103                 int z=CleanZ( GetZ() );
 104
 105                 if (!GetActorPresent())
 106                 {
 107                         if (_thresholdTable==NULL)
 108                         {
 109                                 //Lookup Table
 110                                 _thresholdTable = vtkLookupTable::New();
 111                         } // _thresholdTable
 112
 113                         if (_thresholdMapper==NULL)
 114                         {
 115                                 _thresholdMapper = vtkImageMapToColors::New( );
 116                         }
 117
 118                         if (_thresholdActor==NULL)
 119                         {
 120                                 _thresholdActor = vtkImageActor::New( );
 121                                 _thresholdActor->SetOpacity( 0.6 );
 122                                 _thresholdActor->InterpolateOn(  );
 123                                 _thresholdActor->SetPosition( 0,0, 900-1 );
 124                         } // _thresholdActor
 125                         _baseView->GetRenderer()->AddActor( _thresholdActor );
 126                         _actorPresent = true;
 127                 }  // !GetActorPresent()
 128
 129                 ConfigLookupTable();  // virtual method
 130                 _imageReslicer->SetInput( GetImage() );
 131                 _imageReslicer->SetInformationInput( GetImage() );
 132                 _imageReslicer->SetResliceAxesDirectionCosines(1,0,0, 0,1,0 ,0,0,1);
 133                 _imageReslicer->SetOutputDimensionality(2);
 134                 _imageReslicer->SetInterpolationModeToLinear();
 135                 _imageReslicer->SetResliceAxesOrigin(0,0,z);
 136
 137                 vtkImageData *img = _imageReslicer->GetOutput();
 138                 img->Update();
 139                 img->UpdateInformation();
 140
 141                 _thresholdMapper->SetInput( img );
 142                 _thresholdMapper->SetLookupTable( _thresholdTable );
 143                 _thresholdActor->SetInput( _thresholdMapper->GetOutput() );
 144                 } // _image
 145 }
 146
 147
 148
 149 //----------------------------------------------------------------------------
 150 void LayerImageBase::onThresholdChange()
 151 {
 152         if (_actorPresent)
 153         {
 154                 onThreshold();
 155         }
 156 }
 157
 158 //----------------------------------------------------------------------------
 159 void LayerImageBase::onThresholdInterpolation(bool interpolate)
 160 {
 161         if (_thresholdActor!=NULL)
 162         {
 163                 if (interpolate)
 164                 {
 165                         _thresholdActor->InterpolateOn( );
 166                 }
 167                 else
 168                 {
 169                         _thresholdActor->InterpolateOff( );
 170                 }
 171         }
 172 }
 173
 174 //----------------------------------------------------------------------------
 175 void LayerImageBase::onThresholdChangeOpacity (int opacity)
 176 {
 177         if (_actorPresent)
 178         {
 179                 _thresholdActor->SetOpacity(opacity*0.1);
 180         }
 181 }
 182
 183 //----------------------------------------------------------------------------
 184 void LayerImageBase::onThresholdRemove()
 185 {
 186         if (_actorPresent)
 187         {
 188                 wxVtkBaseView * baseView = _baseView;
 189                 baseView->GetRenderer()->RemoveActor( _thresholdActor );
 190                 _actorPresent = false;
 191         }
 192 }
 193
 194
 195
 196
 197 // EOF
 198