rname << rscreen.str() << "slit.placement" << ends;
rclass << rscreen.str() << "Slit.Placement" << ends;
if (config.getValue(rname.str(), rclass.str(), s)) {
rname << rscreen.str() << "slit.placement" << ends;
rclass << rscreen.str() << "Slit.Placement" << ends;
if (config.getValue(rname.str(), rclass.str(), s)) {