Method get_Z

LASlib/src/lastransform.cpp:136–152

get the origin Z and consider whether Z is fetched from the extrabyte (z_from_attrib)

/// get the origin Z and consider whether Z is fetched from the extrabyte (z_from_attrib)
I32 LASoperation::get_Z(LASpoint* point) {
  I64 Z = 0;

  if (offset_adjust && point->quantizer != nullptr && point->quantizer->z_from_attrib >= 0) {
    // get Z from extrabyte
    F64 z_tmp = (point->get_Z() * scale_factor_z) + adjusted_offset_z;
    if (z_tmp >= orig_z_offset)
      Z = (I64)(((z_tmp - orig_z_offset) / orig_z_scale_factor) + 0.5);
    else
      Z = (I64)(((z_tmp - orig_z_offset) / orig_z_scale_factor) - 0.5);
  } else {
    // Default case or no offset adjustment
    Z = point->get_Z();
  }

  return I32_CLAMP(Z);
};

/// sets the new offset based on the points if point coordinates were not changed during the operation or transformed
void LASoperation::set_offset_adjust_coord_without_trafo_changes(LASpoint* point){