lib/maracasVisuLib/src/interface/wxWindows/widgets/wxMaracasSurfaceRenderingManagerDataMhd.cxx

   1
   2 #include "wxMaracasSurfaceRenderingManagerDataMhd.h"
   3 #include "vtkStripper.h"
   4
   5 wxMaracasSurfaceRenderingManagerDataMhd::wxMaracasSurfaceRenderingManagerDataMhd(vtkImageData* imagedata, std::string dataname, vtkRenderWindowInteractor*  interactor)
   6 : wxMaracasSurfaceRenderingManagerData(NULL, dataname, interactor)
   7 {
   8
   9         this->setVtkImageData(imagedata);
  10         _dataname = dataname;
  11
  12         _maxgreylevel = getMaxLevel(imagedata);
  13         _prop3D=NULL;
  14
  15         _cubesFilter = vtkMarchingCubes::New();
  16         _cleanFilter = vtkCleanPolyData::New();
  17         _dataMapper = vtkPolyDataMapper::New();
  18         vtkActor* dataActor = vtkActor::New();
  19
  20         _cubesFilter->SetInput(this->_imagedata);
  21         _cubesFilter->ComputeGradientsOn ();
  22         _cubesFilter->ComputeScalarsOn ();
  23         _cubesFilter->SetNumberOfContours( 1 );
  24         _cleanFilter->SetInput ( _cubesFilter->GetOutput() );
  25         _dataMapper->SetInput(_cleanFilter->GetOutput());
  26         _dataMapper->ScalarVisibilityOff();
  27         _dataMapper->ImmediateModeRenderingOn();
  28         dataActor->SetMapper(_dataMapper);
  29
  30         this->_prop3D = dataActor;
  31
  32         if(_boxWidgetS1){
  33                 vtkStripper* striper = vtkStripper::New();
  34             striper->SetInput( _cleanFilter->GetOutput() );
  35                 _boxWidgetS1->SetInput(striper->GetOutput());
  36                 _boxWidgetS1->PlaceWidget();
  37         }
  38
  39
  40
  41         this->changeIsoValue(this->_maxgreylevel);
  42
  43
  44 }
  45
  46 wxMaracasSurfaceRenderingManagerDataMhd::~wxMaracasSurfaceRenderingManagerDataMhd(){
  47         _cubesFilter->Delete();
  48         _cleanFilter->Delete();
  49         _dataMapper->Delete();
  50 }
  51
  52 void wxMaracasSurfaceRenderingManagerDataMhd::UpdateSurface(){
  53         _cubesFilter->Update();
  54         _cleanFilter->Update();
  55         _dataMapper->Update();
  56 }
  57 /**
  58 **      changes the isovalue in a prop3D
  59 **/
  60 void wxMaracasSurfaceRenderingManagerDataMhd::changeIsoValue(double value){
  61
  62
  63     _cubesFilter->SetValue(0,value);
  64         _cubesFilter->Update();
  65         _cleanFilter->Update();
  66         _dataMapper->Update();
  67
  68
  69
  70 }
  71 int wxMaracasSurfaceRenderingManagerDataMhd::getMaxGreyLevel(){
  72         return _maxgreylevel;
  73 }
  74
  75 /**
  76         ** Get's the max grey level of the image
  77         **/
  78 int wxMaracasSurfaceRenderingManagerDataMhd::getMaxLevel(vtkImageData* img){
  79
  80         int ext[6], i, j, k,max=0;
  81         img->GetExtent(ext);
  82
  83         for(i = ext[0]; i < ext[1];i++){
  84                 for(j = ext[2]; j < ext[3];j++){
  85                         for(k = ext[4]; k < ext[5];k++){
  86                 unsigned short* ptr = (unsigned short*)img->GetScalarPointer(i,j,k);
  87                                 int temp = (int)*ptr;
  88                                 if(temp > max){
  89                     max = temp;
  90                                 }
  91                         }
  92                 }
  93         }
  94         return max;
  95
  96
  97 }
  98
  99 /**
 100 **      Sets the VTK image data
 101 **/
 102
 103 void wxMaracasSurfaceRenderingManagerDataMhd::setVtkImageData(vtkImageData* imagedata){
 104         _imagedata = imagedata;
 105 }
 106