Filter out unmapped reads
Category Read Filters
OverviewFilter out unmapped reads.
Unmapped reads are defined by three criteria:
- SAM flag value 0x4
- An asterisk for reference name or RNAME (column 3 of a SAM record)
- A zero value for leftmost mapping position for POS (column 4 of SAM record)
GATK version 184.108.40.206-SNAPSHOT built at Wed, 13 Apr 2022 13:12:10 -0700.
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