TMAP map3 options

The TMAP map3 module implements a simplified SSAHA, based on a k-mer lookup table.

The map3 module is not the default for TMAP, map4 is the default.

The following options are supported with the TMAP map3 module (all are optional).

Option

Type

Default

Description

--seed-length

Integer

-1

The k-mer length to seed CALs.

-1 to disable

--max-seed-hits

Integer

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

Integer

8

The number of bases to increase the seed for each seed increase iteration.

-1 to disable

--hp-diff

Integer

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

Integer

-1

The minimum sequence length to examine.

-1 to disable

--max-seq-length

Integer

-1

The maximum sequence length to examine.

-1 to disable