如果直接添加 ,显示过小,可以通过 设置 大小
// vtkImageData * source;
///vtkSmartPointer<vtkRenderer> aRenderer ;
vtkSmartPointer<vtkAxesActor> axes =
vtkSmartPointer<vtkAxesActor>::New();
axes->SetXAxisLabelText("x");
axes->SetYAxisLabelText("y");
axes->SetZAxisLabelText("z");
int* dim = source->GetOutput()->GetDimensions();
axes->SetTotalLength(dim[0], dim[1], dim[2]);
axes->SetVisibility(true);
aRenderer->AddActor(axes);