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Reference

pipeline

The pipeline subcommand runs the entire Lancet variant calling pipeline on one (or) more region(s) of intereset. The full help text for the subcommand can be generated using the following command line

Lancet2 pipeline --help

Required

-r,--reference

[PATH]

Path to the reference FASTA file

-o,--out-vcfgz

[PATH]

Output path to the compressed VCF file

Datasets

-n,--normal

[PATH...]

Path to one (or) more normal BAM/CRAM file(s)

-t,--tumor

[PATH...]

Path to one (or) more tumor BAM/CRAM file(s)

Regions

-R,--region

[SAMTOOLS_STYLE_REGION_STRING...]

One (or) more regions (1-based both inclusive).

-b,--bed-file

[PATH]

Path to BED file with regions to process

-P,--padding

[0-1000]. Default value → 500

Padding for both sides of all input regions

-p,--pct-overlap

[20-80]. Default value → 20

Percent overlap between consecutive windows

-w,--window-size

[500-5000]. Default value → 500

Window size for micro-assembly and variant calling tasks

Parameters

-T,--num-threads

Number of additional async worker threads

-k,--min-kmer

Minimum kmer length to try for micro-assembly graph nodes

-K,--max-kmer

Maximum kmer length to try for micro-assembly graph nodes

-s,--kmer-step

Kmer step size length to try for micro-assembly graph nodes

--min-anchor-cov

Minimum coverage for micro-assembly graph anchor nodes (source/sink)

--min-node-cov

Minimum coverage for nodes in the micro-assembly graph

--max-sample-cov

Maximum per sample coverage before downsampling

Flags

--verbose

Turn on verbose logging

--extract-pairs

Extract all useful read pairs

--no-active-region

Force assemble all windows

--no-contig-check

Skip contig check with reference

Optional

--graphs-dir

Output directory to write per window graphs in DOT and GFA format. Must be a non-existing directory path that will be created.