opt_rotangle *= PI;
Scanner scanner (phm, optGeometryName.c_str(), opt_ndet, opt_nview, opt_nray, opt_rotangle, dOptFocalLength, dOptFieldOfView);
if (scanner.fail()) {
opt_rotangle *= PI;
Scanner scanner (phm, optGeometryName.c_str(), opt_ndet, opt_nview, opt_nray, opt_rotangle, dOptFocalLength, dOptFieldOfView);
if (scanner.fail()) {