I practice 3D Medical Imaging in The Visualization Toolkit at 507 page.

<br>

<br>The source code is

<br>(Visual C++)

<br>        // extract the skin

<br>        skinExtractor = vtkMarchingCubes::New();

<br>        skinExtractor->SetInput(v16->GetOutput());

<br>        skinExtractor->SetValue(0, 500);

<br>        skinMapper = vtkPolyDataMapper::New();

<br>        skinMapper->SetInput(skinExtractor->GetOutput());

<br>        skinMapper->ScalarVisibilityOff();

<br>        skin = vtkActor::New();

<br>        skin->SetMapper(skinMapper);

<br>        

But when I compiled it, I failed..

<br>

Linking...

<br>Win32Cone.obj : error LNK2001: unresolved external symbol "__declspec(dllimport) public: void __thiscall vtkMarchingCubes::SetValue(int,float)" (__imp_?SetValue@vtkMarchingCubes@@QAEXHM@Z)

<br>Win32Cone.obj : error LNK2001: unresolved external symbol "__declspec(dllimport) public: static class vtkMarchingCubes * __cdecl vtkMarchingCubes::New(void)" (__imp_?New@vtkMarchingCubes@@SAPAV1@XZ)

<br>Debug/vtkwin32.exe : fatal error LNK1120: 2 unresolved externals

Error executing link.exe.

<br>

What’s the problem…?

<br>I checked  “ skinExtractor->SetValue(0, 500); ”

<br>I think parameters are right…

How can I correct the errors?

I don’t understand the errors; unresolved externals.

<br>I need your help~

<br>

<br>Sammy

<br>

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