def filter_based_on_query_coverage(query_length, query_start_index,
    query_stop_index, query_coverage_threshold):
    """
    Determine if read should be filtered based on query coverage threshold
    """
    if query_length > 1:
        query_coverage = (abs(query_stop_index - query_start_index) + 1
            ) / float(query_length) * 100.0
    else:
        query_coverage = query_coverage_threshold + 1.0
    filter = False
    if query_coverage < query_coverage_threshold:
        filter = True
    return filter
