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

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