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TMAP map3 Options

This page describes the parameters for the TMAP map3 module. The map3 module implements a simplified SSAHA, based on a k-mer lookup table.

Note:

The map3 module is not the current default for TMAP.

Options supported with the TMAP map3 module (all are optional):

Option

Type

Default

Description

--seed-length

INT

-1

The k-mer length to seed CALs (-1 to disable)

--max-seed-hits

INT

20

The maximum number of hits returned by a seed

--hit-frac

FLOAT

0.2

The fraction of seed positions that are under the maximum

--seed-step

INT

8

The number of bases to increase the seed for each seed increase iteration (-1 to disable)

--hp-diff

INT

0

The single homopolymer error difference for enumeration

--fwd-search

Boolean

false

Use forward search instead of a reverse search

--skip-seed-frac

FLOAT

0.2

The fraction of a seed to skip when a lookup succeeds

--min-seq-length

INT

-1

The minimum sequence length to examine (-1 to disable)

--max-seq-length

INT

-1

The maximum sequence length to examine (-1 to disable)