bool RescheduleLastSources

(

vector< Source > &

obs

)

Definition at line 304 of file makeschedule.cc.

References begin, and end.

Referenced by main().

{
    // If observation time is smaller than 40min for the first source
    // extend it to 40min if zenith angle will not go above 60deg.
    const int last = obs.size()-1;
    if (obs.size()<2 || obs[last].duration()>=40./24/60 || obs[last].name=="SLEEP" || obs[last-1].name=="SLEEP")
        return false;

    cout << "Last source [" << obs[last].name << "] detected < 40min" << endl;

    const double obs1_duration = obs[last].end - 40./24/60 - obs[last-1].begin;
    const double obs0_begin    = obs[last].end - 40./24/60;

    // Check that:
    //  - the duration for the shrunken source obs[1] is still above 40min
    //  - obs[0] does not exceed 60deg at the end of its new window
    //  - obs[0] does not exceed any limit within the new window

    if (obs1_duration>=40./24/60 && obs[last].IsRangeValid(obs0_begin, obs[last].begin))
    {
        obs[last].begin = obs0_begin;
        obs[last-1].end = obs0_begin;

        cout << "Last source [" << obs[last].name << "] extended to 40min" << endl;

        return false;
    }

    // Try to remove the last source, check if second source fullfills all limits
    if (obs[last-1].IsRangeValid(obs[last].begin, obs[last].end))
    {
        cout << "Last source [" << obs[last].name << "] removed" << endl;

        obs[last-1].end = obs[last].end;
        obs.pop_back();

        return true;
    }

    // Try to remove the second last source, check if the first source fullfills all limits
    if (obs[last].IsRangeValid(obs[last-1].begin, obs[last-1].end))
    {
        cout << "Second last source [" << obs[last-1].name << "] removed" << endl;

        obs[last].begin = obs[last-1].begin;
        obs.erase(obs.begin()+obs.size()-2);

        if (obs.size()==0 || obs[last-1].name!=obs[last-2].name)
            return true;

        obs[last-2].end = obs[last-1].end;
        obs.pop_back();

        cout << "Combined last two indentical sources [" << obs[last-1].name << "] into one observation" << endl;

        return true;
    }

    cout << "No reschedule possible within limit." << endl;

    return false;
}

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