if (iDetPos < 0 || iDetPos >= nDet - 1) // check for impossible: index outside of raysum pos
errorIndexOutsideDetector (ix, iy, theta, r, phi, L, iDetPos);
else
if (iDetPos < 0 || iDetPos >= nDet - 1) // check for impossible: index outside of raysum pos
errorIndexOutsideDetector (ix, iy, theta, r, phi, L, iDetPos);
else