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 void wxMaracasSurfaceRenderingManagerDataMhd::UpdateSurface(){
  43         _cubesFilter->Update();
  44         _cleanFilter->Update();
  45         _dataMapper->Update();
  46 }
  47 /**
  48 **      changes the isovalue in a prop3D
  49 **/
  50 void wxMaracasSurfaceRenderingManagerDataMhd::changeIsoValue(double value){
  51
  52
  53     _cubesFilter->SetValue(0,value);
  54         _cubesFilter->Update();
  55         _cleanFilter->Update();
  56         _dataMapper->Update();
  57
  58
  59
  60 }
  61 int wxMaracasSurfaceRenderingManagerDataMhd::getMaxGreyLevel(){
  62         return _maxgreylevel;
  63 }
  64
  65 /**
  66         ** Get's the max grey level of the image
  67         **/
  68 int wxMaracasSurfaceRenderingManagerDataMhd::getMaxLevel(vtkImageData* img){
  69
  70         int ext[6], i, j, k,max=0;
  71         img->GetExtent(ext);
  72
  73         for(i = ext[0]; i < ext[1];i++){
  74                 for(j = ext[2]; j < ext[3];j++){
  75                         for(k = ext[4]; k < ext[5];k++){
  76                 unsigned short* ptr = (unsigned short*)img->GetScalarPointer(i,j,k);
  77                                 int temp = (int)*ptr;
  78                                 if(temp > max){
  79                     max = temp;
  80                                 }
  81                         }
  82                 }
  83         }
  84         return max;
  85
  86
  87 }
  88
  89 /**
  90 **      Sets the VTK image data
  91 **/
  92
  93 void wxMaracasSurfaceRenderingManagerDataMhd::setVtkImageData(vtkImageData* imagedata){
  94         _imagedata = imagedata;
  95 }
  96