[vtkusers] vtkSmoothPolyDataFilter

[Gururajan]

Yup, you are right, i place an update in vtkImageGaussianSmooth, but
even now, it hits me the same,

Thanks
Guru

Dominik Szczerba wrote:
> 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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>
>