vtkImageChangeInformation* change = vtkImageChangeInformation::New();
change->SetInformationInput(img);
change->SetInputConnection(img->GetProducerPort());
vtkImageChangeInformation* change = vtkImageChangeInformation::New();
change->SetInformationInput(img);
change->SetInputConnection(img->GetProducerPort());
vectspc.push_back(spc[0]);
vectspc.push_back(spc[1]);
vectspc.push_back(spc[2]);
vectspc.push_back(spc[0]);
vectspc.push_back(spc[1]);
vectspc.push_back(spc[2]);