<br clear="all"><div>Hello everyone,</div><div><br></div><div>I've got a set of dicom slices which I use for rendering a volume, now I tried to apply marching cubes to try surface rendering buy i'm only getting some kind of box and not the head that shold be forming.</div>
<div><br></div><div>I'm using atm the following code</div><div><br></div><div><div>vtkSmartPointer< vtkDICOMImageReader > reader =</div><div><span class="" style="white-space:pre"> </span>vtkSmartPointer< vtkDICOMImageReader >::New();</div>
<div><span class="" style="white-space:pre"> </span>reader->SetDataByteOrderToLittleEndian();</div><div><span class="" style="white-space:pre"> </span>//reader->SetDirectoryName(argv[1]);</div><div><span class="" style="white-space:pre"> </span>reader->SetDirectoryName("C:\\VTK5.10\\DATA\\DICOM");</div>
<div><span class="" style="white-space:pre"> </span>reader->SetDataSpacing(1, 1, 1);</div><div><span class="" style="white-space:pre"> </span>reader->SetDataOrigin(0.0, 0.0, 0.0);</div><div><span class="" style="white-space:pre"> </span>reader->Update();</div>
</div><div><br></div><div><div>vtkSmartPointer< vtkMarchingCubes > surface =</div><div><span class="" style="white-space:pre"> </span>vtkSmartPointer< vtkMarchingCubes >::New();</div><div><span class="" style="white-space:pre"> </span>surface->SetInputConnection(reader->GetOutputPort());</div>
<div><span class="" style="white-space:pre"> </span>surface->ComputeNormalsOn();</div><div><span class="" style="white-space:pre"> </span>surface->SetValue(0, 5);</div><div><span class="" style="white-space:pre"> </span></div>
<div><span class="" style="white-space:pre"> </span>vtkSmartPointer< vtkRenderer > surfacerenderer =</div><div><span class="" style="white-space:pre"> </span>vtkSmartPointer< vtkRenderer >::New();</div><div><span class="" style="white-space:pre"> </span>surfacerenderer->SetBackground(0.1, 0.2, 0.3);</div>
<div><br></div><div><span class="" style="white-space:pre"> </span>vtkSmartPointer< vtkRenderWindow > renderwin =</div><div><span class="" style="white-space:pre"> </span>vtkSmartPointer< vtkRenderWindow >::New();</div>
<div><span class="" style="white-space:pre"> </span>renderwin->AddRenderer(surfacerenderer);</div><div><span class="" style="white-space:pre"> </span></div><div><span class="" style="white-space:pre"> </span>vtkSmartPointer< vtkRenderWindowInteractor > intersurf =</div>
<div><span class="" style="white-space:pre"> </span>vtkSmartPointer< vtkRenderWindowInteractor >::New();</div><div><span class="" style="white-space:pre"> </span>intersurf->SetRenderWindow(renderwin);</div><div>
<br></div><div><span class="" style="white-space:pre"> </span>vtkSmartPointer< vtkPolyDataNormals > premapper =</div><div><span class="" style="white-space:pre"> </span>vtkSmartPointer< vtkPolyDataNormals >::New();</div>
<div><span class="" style="white-space:pre"> </span>premapper->SetInputConnection(surface->GetOutputPort());</div><div><span class="" style="white-space:pre"> </span>premapper->ComputeCellNormalsOn();</div><div><span class="" style="white-space:pre"> </span></div>
<div><span class="" style="white-space:pre"> </span>vtkSmartPointer< vtkPolyDataMapper > surfacemapper =</div><div><span class="" style="white-space:pre"> </span>vtkSmartPointer< vtkPolyDataMapper >::New();</div>
<div><span class="" style="white-space:pre"> </span>surfacemapper->SetInputConnection(premapper->GetOutputPort());</div><div><span class="" style="white-space:pre"> </span>//surfacemapper->SetInputConnection(surface->GetOutputPort());</div>
<div><br></div><div><span class="" style="white-space:pre"> </span>vtkSmartPointer< vtkActor > actor =</div><div><span class="" style="white-space:pre"> </span>vtkSmartPointer< vtkActor >::New();</div><div><span class="" style="white-space:pre"> </span>actor->SetMapper(surfacemapper);</div>
<div><br></div><div><span class="" style="white-space:pre"> </span>vtkSmartPointer< vtkProperty > backFaces =</div><div><span class="" style="white-space:pre"> </span>vtkSmartPointer< vtkProperty >::New();</div>
<div><span class="" style="white-space:pre"> </span>backFaces->SetSpecular(0.0);</div><div><span class="" style="white-space:pre"> </span>backFaces->SetDiffuse(0.0);</div><div><span class="" style="white-space:pre"> </span>backFaces->SetAmbient(1.0);</div>
<div><span class="" style="white-space:pre"> </span>backFaces->SetAmbientColor(1.0000, 0.3883, 0.2784);</div><div><span class="" style="white-space:pre"> </span>backFaces->SetOpacity(256);</div><div><br></div><div><span class="" style="white-space:pre"> </span>actor->SetBackfaceProperty(backFaces);</div>
<div><br></div><div><span class="" style="white-space:pre"> </span>surfacerenderer->AddActor(actor);</div><div><span class="" style="white-space:pre"> </span>renderwin->SetSize(800,600);</div><div><span class="" style="white-space:pre"> </span>//renderWindow->Render();</div>
<div><span class="" style="white-space:pre"> </span>intersurf->Start();</div><div><br></div><div><span class="" style="white-space:pre"> </span>this->ui->vtksurface->GetRenderWindow()->AddRenderer(surfacerenderer);</div>
</div><div><br></div><div>I'd appreciate any kind of help, example code or advice. Thx in advance.</div><div><br></div>-- <div><b><font face="'comic sans ms', sans-serif" color="#000066">Rodrigo Lovera </font></b><br>
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