<div dir="ltr">I want to display the 3D of DICOM but there&#39;s no output, I use activiz , any idea what&#39;s wrong in my code <div><br></div><div><div>vtkDICOMImageReader VDR = vtkDICOMImageReader.New();</div><div>            VDR.SetDirectoryName(@&quot;E:\Master Degree\DataSet\08151407&quot;); //E:\Master Degree\test DataSet\Asmaa_pre\08151449</div>
<div>            VDR.SetDataOrigin(0, 0, 0);</div><div>            VDR.Update();</div><div><br></div><div><br></div><div>            vtkImageGaussianSmooth gaussfilter = vtkImageGaussianSmooth.New();</div><div>            gaussfilter.SetInputConnection(VDR.GetOutputPort());</div>
<div>            gaussfilter.Update();</div><div><br></div><div>            vtkImageShrink3D VIS = vtkImageShrink3D.New();</div><div>            VIS.SetShrinkFactors(4, 4, 4);</div><div>            VIS.SetInputConnection(gaussfilter.GetOutputPort());</div>
<div>            VIS.Update();</div><div><br></div><div>            vtkMarchingCubes SkinExtractor = new vtkMarchingCubes();</div><div>            SkinExtractor.SetInputConnection(VIS.GetOutputPort());</div><div>            SkinExtractor.SetValue(0, -800);</div>
<div>            SkinExtractor.Update();</div><div><br></div><div>            vtkPolyDataMapper mapper = vtkPolyDataMapper.New();</div><div>            mapper.SetInputConnection(SkinExtractor.GetOutputPort());</div><div><br>
</div><div>            vtkLODActor actor = vtkLODActor.New();</div><div>            actor.SetMapper(mapper);</div><div>            actor.GetProperty().SetColor(1, 0, 0);</div><div><br></div><div>            vtkRenderer ren1 = renderA.RenderWindow.GetRenderers().GetFirstRenderer();</div>
<div>            vtkRenderWindow renWin = renderA.RenderWindow;</div><div><br></div><div>            ren1.AddViewProp(actor);</div><div>            </div><div>           // renWin.SetSize(250, 250);</div><div>            renWin.Render();</div>
<div><br></div><div>            renderA.Refresh();</div><div>            </div><div><br></div><div>            </div></div><div><br></div></div>