this->GetInput()->UpdateInformation();
int *wExtent = this->GetInput()->GetWholeExtent();
this->GetInput()->SetUpdateExtent(wExtent);
this->GetInput()->Update();
this->GetInput()->UpdateInformation();
int *wExtent = this->GetInput()->GetWholeExtent();
this->GetInput()->SetUpdateExtent(wExtent);
this->GetInput()->Update();