[vtkusers] vtkSmoothPolyDataFilter

[Dominik Szczerba]

you probably missing Update() somewhere...

Gururajan wrote:
> Hi all,
> 
> On execution of my application, am getting below error. Ane one have any clue please,
> 
> ERROR: In C:\martink\vtk42\VTK\Graphics\vtkSmoothPolyDataFilter.cxx, line 191
> vtkSmoothPolyDataFilter (0x0C702B08): No data to smooth!
> 
> ERROR: In C:\martink\vtk42\VTK\Graphics\vtkPolyDataNormals.cxx, line 88
> vtkPolyDataNormals (0x0C702F68): No data to generate normals for!
> 
> Thanks in advance
> Guru
> 
> 	vtkDICOMImageReader dicomreader = new vtkDICOMImageReader();
> 		dicomreader.SetDirectoryName("/home/gururaj/MANIX/MANIX/CER-CT/AVEC I.V.");
> 		dicomreader.Update();
> 		double[] dataspacing = dicomreader.GetDataSpacing();
> 		System.out.println(dataspacing[0] + ":" + dataspacing[1] + ":" + dataspacing[2]);
> 	System.out.println("Patient Ka naam : " + dicomreader.GetPatientName());	 
> 		 vtkImageWriter writer = new vtkImageWriter();//vtkImageWriter::New()
> 		 writer.SetInput(dicomreader.GetOutput());
> 		 writer.SetFilePrefix("/home/gururaj/eclipse Project/SimpleVTK/SimpleVtk/Raw/dicom");
> 		 writer.SetFilePattern("%s%3d.raw");
> 		 writer.Write();
> 		  
> 		 vtkVolume16Reader v16 = new vtkVolume16Reader();
> 		 v16.SetDataByteOrderToLittleEndian();
> 		 v16.SetFilePrefix("/home/gururaj/eclipse Project/SimpleVTK/SimpleVtk/Raw/");
> 		 v16.SetFilePattern("%s%3d.dcm.raw");
> 		 v16.SetImageRange(0, 123);
> 		 v16.GetOutput().ReleaseDataFlagOn();
> 		 v16.SetDataSpacing(dicomreader.GetDataSpacing());
> 		 v16.SetDataDimensions(dicomreader.GetOutput().GetDimensions());
> 		 v16.Update();
> 		 
> 		 vtkImageGaussianSmooth GaussianSmooth = new vtkImageGaussianSmooth();
> 		  GaussianSmooth.SetInput(v16.GetOutput());
> 		  GaussianSmooth.SetDimensionality (3);
> 		  GaussianSmooth.SetStandardDeviations(0.0,4.0);
> 		  vtkContourFilter skinExtractor = new vtkContourFilter();
> 		  skinExtractor.SetInput((vtkDataSet)GaussianSmooth.GetOutput());
> 		     skinExtractor.SetValue(0, 500);
> 		  skinExtractor.Update();
> 		  vtkSmoothPolyDataFilter smoother=new vtkSmoothPolyDataFilter();
> 		  smoother.SetInput(skinExtractor.GetOutput());
> 		  smoother.SetNumberOfIterations(70);
> 		     vtkPolyDataNormals skinNormals = new vtkPolyDataNormals();
> 		  skinNormals.SetInput(smoother.GetOutput());
> 		     skinNormals.SetFeatureAngle(60.0);
> 
> 		  vtkPolyDataWriter pdw=new vtkPolyDataWriter();
> 		  pdw.SetInput(skinNormals.GetOutput());
> 		  pdw.SetFileName("/home/gururaj/eclipse Project/SimpleVTK/SimpleVtk/CardiacCT/out.vtk");
> 		  pdw.Write();
> 
> 
> 
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