//std::cout << "in WxViewer::ShowImage PrintSelf() =";
//im->PrintSelf(std::cout, vtkIndent(2));
im->GetSpacing(spx,spy,spz);
//im->GetExtent (x1,x2,y1,y2,z1,z2); // JPR
//std::cout << "in WxViewer::ShowImage PrintSelf() =";
//im->PrintSelf(std::cout, vtkIndent(2));
im->GetSpacing(spx,spy,spz);
//im->GetExtent (x1,x2,y1,y2,z1,z2); // JPR