[Insight-users] Re: multimiresregistration thanks, vtk!

[Christos Panagiotou]

luis
in case i forget something somewhere else, i ll just paste the whole source
(both readers dont work :( )

----------------------------------------------------------------------------------------


#include "vtkRenderer.h"
#include "vtkRenderWindow.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkImageReader2.h"
#include "vtkPolyDataMapper.h"
#include "vtkActor.h"
#include "vtkOutlineFilter.h"
#include "vtkCamera.h"
#include "vtkProperty.h"                          
#include "vtkPolyDataNormals.h"
#include "vtkContourFilter.h"
#include "vtkMetaImageReader.h"
#include "vtkImageData.h"
#include "vtkDataSet.h"
#include "vtkPolyData.h"


int main (int argc, char **argv)
{


  //const char *fname = 
"/home/christos/PhD/Data/raw/Brain1Rot/Brain/brainweb1e1a10f20Rot10Tx15.raw";
  const char *metafname = 
"/home/christos/PhD/Data/raw/Brain1Rot/Brain/brainweb1e1a10f20Rot10Tx15.mha";




  vtkRenderer *aRenderer = vtkRenderer::New();
  vtkRenderWindow *renWin = vtkRenderWindow::New();
    renWin->AddRenderer(aRenderer);
  vtkRenderWindowInteractor *iren = vtkRenderWindowInteractor::New();
    iren->SetRenderWindow(renWin);


  /*
  vtkImageReader2 *v = vtkImageReader2::New();
    v->SetDataExtent(0,180,0,216,0,180 );
    v->SetDataByteOrderToLittleEndian();
    v->SetDataScalarTypeToUnsignedChar();

    v->SetFileName(fname);
    v->SetFileDimensionality(3);
    v->SetDataSpacing (1.0,1.0,1.0);
    v->DebugOn();
    v->Update();
  */
 
  vtkMetaImageReader *meta = vtkMetaImageReader::New();
    meta->SetFileName(metafname);
  
       
 
 
  vtkContourFilter *skinExtractor = vtkContourFilter::New();
    //skinExtractor->SetInput(v->GetOutput());
    skinExtractor->SetInput(meta->GetOutput());
    //skinExtractor->SetValue(0, 255);
    skinExtractor->ComputeNormalsOff();
    skinExtractor->ComputeGradientsOff();
    skinExtractor->Update(); 
 
  vtkPolyDataNormals *skinNormals = vtkPolyDataNormals::New();
    skinNormals->SetInput(skinExtractor->GetOutput());
    skinNormals->SetFeatureAngle(60.0);
    skinNormals->Update();
   
  vtkPolyDataMapper *skinMapper = vtkPolyDataMapper::New();
    skinMapper->SetInput(skinNormals->GetOutput());
    skinMapper->ScalarVisibilityOn();
    skinMapper->SetScalarModeToUsePointFieldData();
    skinMapper->DebugOn();
    skinMapper->Update();
   
  vtkActor *skin = vtkActor::New();
    skin->SetMapper(skinMapper);


  vtkOutlineFilter *outlineData = vtkOutlineFilter::New();
    //outlineData->SetInput(v->GetOutput());
    outlineData->SetInput(meta->GetOutput());
  vtkPolyDataMapper *mapOutline = vtkPolyDataMapper::New();
    mapOutline->SetInput(outlineData->GetOutput());
  vtkActor *outline = vtkActor::New();
    outline->SetMapper(mapOutline);
    outline->GetProperty()->SetColor(0,0,0);


  aRenderer->AddActor(outline);
  aRenderer->AddActor(skin);

  aRenderer->ResetCamera ();


  aRenderer->SetBackground(1,1,1);
  renWin->SetSize(640, 480);


  aRenderer->ResetCameraClippingRange();


  iren->Initialize();
  iren->Start();


  //v->Delete();
  meta->Delete();

  skinExtractor->Delete();
  skinNormals->Delete();
  skinMapper->Delete();
  skin->Delete();
  outlineData->Delete();
  mapOutline->Delete();
  outline->Delete();
  iren->Delete();
  renWin->Delete();
  aRenderer->Delete();


}
--------------------------------------------------------


Luis Ibanez wrote:

>
> Hi Christos,
>
> Is there any particular reason why you are forcing the
> casting the output of the vtkMetaImageReader ?
>
>> vtkContourFilter *skinExtractor = vtkContourFilter::New();
>>    skinExtractor->SetInput((vtkDataSet *)meta->GetOutput());
>
>
>
> You shouldn't need to cast this output.
>
>
> Please let us know,
>
>
> Thanks,
>
>
>      Luis
>