This class provides an interface to reading the collapsed q-metric file:

The file format for collapsed q-metrics is as follows:

Header

illumina::interop::io::read_metrics (Function that parses this information)

    byte 0: version number (2)
    byte 1: record size (can take two different values)

n-Records

illumina::interop::io::layout::base_cycle_metric (Class that parses this information)

    2 bytes: lane number (uint16)
    2 bytes: tile number (uint16)
    2 bytes: cycle number (uint16)

illumina::interop::io::generic_layout<q_collapsed_metric, 2> (Class that parses this information)

    4 bytes: Q20 count (uint32)
    4 bytes: Q30 count (uint32)
    4 bytes: Total count (uint32)
    4 bytes: Median score (uint32)