wxMaracasIRMViewManagerDataMhd.cxx

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#include "wxMaracasIRMViewManagerDataMhd.h"

wxMaracasIRMViewManagerDataMhd::wxMaracasIRMViewManagerDataMhd(vtkImageData* imagedata, std::string dataname)
: wxMaracasIRMViewManagerData(NULL, dataname)
{

        this->setVtkImageData(imagedata);
        _dataname = dataname;
        
        _maxgreylevel = getMaxLevel(imagedata);
        _prop3D=NULL;                   

        _cubesFilter = vtkMarchingCubes::New();
        _cleanFilter = vtkCleanPolyData::New();         
        _dataMapper = vtkPolyDataMapper::New();
        vtkActor* dataActor = vtkActor::New();
        
        _cubesFilter->SetInput(this->_imagedata);
        _cubesFilter->ComputeGradientsOn ();
        _cubesFilter->ComputeScalarsOn ();
        _cubesFilter->SetNumberOfContours( 1 );
        _cleanFilter->SetInput ( _cubesFilter->GetOutput() );
        _dataMapper->SetInput(_cleanFilter->GetOutput());
        _dataMapper->ScalarVisibilityOff();
        _dataMapper->ImmediateModeRenderingOn();
        dataActor->SetMapper(_dataMapper);      

        this->_prop3D = dataActor;

        this->changeIsoValue(this->_maxgreylevel);      


}

wxMaracasIRMViewManagerDataMhd::~wxMaracasIRMViewManagerDataMhd(){      
        _cubesFilter->Delete();
        _cleanFilter->Delete();
        _dataMapper->Delete();
}
        

void wxMaracasIRMViewManagerDataMhd::changeIsoValue(double value){      
                
   
    _cubesFilter->SetValue(0,value);            
        _cubesFilter->Update();    
        _cleanFilter->Update();
        _dataMapper->Update();  
        
        
        
}
int wxMaracasIRMViewManagerDataMhd::getMaxGreyLevel(){
        return _maxgreylevel;
}

int wxMaracasIRMViewManagerDataMhd::getMaxLevel(vtkImageData* img){

        int ext[6], i, j, k,max=0;
        img->GetExtent(ext);

        for(i = ext[0]; i < ext[1];i++){
                for(j = ext[2]; j < ext[3];j++){
                        for(k = ext[4]; k < ext[5];k++){
                unsigned short* ptr = (unsigned short*)img->GetScalarPointer(i,j,k);
                                int temp = (int)*ptr;
                                if(temp > max){
                    max = temp;
                                }
                        }
                }
        }
        return max;


}

void wxMaracasIRMViewManagerDataMhd::setVtkImageData(vtkImageData* imagedata){
        _imagedata = imagedata;
}

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