[vtkusers] Show whole volume under a slice

[Lonni Besançon]

Ok thanks for the advice.

So here is what I have tried:

      /  vtkSmartPointer<vtkPlanes> planes =
vtkSmartPointer<vtkPlanes>::New();
	vtkSmartPointer<vtkPoints> origins = vtkSmartPointer<vtkPoints>::New();
	origins->SetNumberOfPoints(1);
	origins->InsertNextPoint(plane->GetOrigin());
	vtkSmartPointer<vtkDoubleArray> normalsArray =
vtkSmartPointer<vtkDoubleArray>::New();
	normalsArray->SetNumberOfComponents(3);
	normalsArray->SetNumberOfTuples(1);
	normalsArray->SetComponent(0,0,plane->GetNormal()[0]);
	normalsArray->SetComponent(0,1,plane->GetNormal()[1]);
	normalsArray->SetComponent(0,2,plane->GetNormal()[2]);
	planes->SetPoints(origins);
	planes->SetNormals(normalsArray);
	mainMapper->SetClippingPlanes(planes);/

But this gives me a memory access error when reaching the last line.
According to the debuger, the error is located in the for loop of the
SetClippingPlanes() method which is in turn in the call to:
/void vtkAbstractMapper::RemoveAllClippingPlanes(){if ( this->ClippingPlanes
) //.../

Would you happen to know what's wrong with what I've done there. I can't
really understand where the error comes from



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