What is the equivalent way to do a SelectInputScalars in vtkContourFilter?  
in 4.4 it was:
//snippet
vtkContourFilter *cf = vtkContourFilter::New();
		cf->SetInput(c2p->GetOutput());
		printf("isoValue: %s\n", isoValue);
		cf->SelectInputScalars(isoValue);
how do you do this now?
Thanks in advance.