// +1 is correct for frequency data, ndet-1 is correct for projections
int iDetCenter = (iNumDetWithZeros - 1) / 2; // index refering to L=0 projection
// +1 is correct for frequency data, ndet-1 is correct for projections
int iDetCenter = (iNumDetWithZeros - 1) / 2; // index refering to L=0 projection