[vtkusers] MarchingCubes pointer to incomplete class type is not allowed

[Cory Quammen]

Make sure you are including the header files that define the classes
you are using, e.g.

#include <vtkNIFTIImageReader.h>
#include <vtkImageData.h>
#include <vtkMarchingCubes.h>

- Cory


On Tue, Nov 28, 2017 at 9:05 AM, Zou Jing <zjinger at hotmail.com> wrote:
> Dear all,
>
> I want to convert 3D DICOM or NIFTI image to points cloud (.stl) using
> vtkMarchingCubes.
>
> But there is always the error that ‘pointer to incomplete class type is not
> allowed’  when I deepcopy volume from reader(show in boldface in following
> code).
>
> I am using  vtk 8.0.1. And I am a novice.
>
> I am looking forward to your answer.
>
> Thank you very much.
>
>
>
> There is the code :
>
> vtkSmartPointer<vtkNIFTIImageReader> reader1 =
> vtkSmartPointer<vtkNIFTIImageReader>::New();
>
>
> reader1->SetFileName("C:/Users/studentx/Desktop/lung/test/case1-00.nii");
>
>        reader1->Update();
>
> vtkSmartPointer<vtkImageData> volume =
>
>               vtkSmartPointer<vtkImageData>::New();
>
> vtkSmartPointer<vtkMarchingCubes> surface =
>
>               vtkSmartPointer<vtkMarchingCubes>::New();
>
> volume->DeepCopy(reader1->GetOutput());
>
> #if VTK_MAJOR_VERSION <= 5
>
>        surface->SetInput(volume);
>
> #else
>
>        surface->SetInputData(volume);
>
> #endif
>
>        surface->ComputeNormalsOn();
>
>        surface->SetValue(0,0.5);
>
>
>
>        vtkSmartPointer<vtkPolyData> moving = vtkSmartPointer
> <vtkPolyData>::New();
>
>        moving->surface->GetOutput();
>
>
>
>        //write polydata
>
>        vtkSmartPointer<vtkPolyDataWriter> writer0 =
> vtkSmartPointer<vtkPolyDataWriter>::New();
>
>
> writer0->SetFileName("C:/Users/studentx/Desktop/lung/test/case1orgin.stl");
>
>        writer0->SetInputData(moving);
>
>        writer0->Write();
>
>
>
>
>
>
>
>
>
>
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-- 
Cory Quammen
Staff R&D Engineer
Kitware, Inc.