---
name: "raptor"
section: "1"
platform: "linux"
package: "seqan-raptor"
version: "3.0.1+ds-9"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/raptor"
---

# raptor(1)

A fast and space-efficient pre-filter for querying very large collections of nucleotide sequences.

## NAME

Raptor - A fast and space-efficient pre-filter for querying very large collections of nucleotide sequences.

## DESCRIPTION

Raptor is a system for approximately searching many queries such as next-generation sequencing reads or transcripts in large collections of nucleotide sequences. Raptor uses winnowing minimizers to define a set of representative k-mers, an extension of the interleaved Bloom filters (IBFs) as a set membership data structure and probabilistic thresholding for minimizers. Our approach allows compression and partitioning of the IBF to enable the effective use of secondary memory.

## SUBCOMMANDS

This program must be invoked with one of the following subcommands:\
 \- **build**\
 \- **layout**\
 \- **prepare**\
 \- **search**\
 \- **upgrade**

See the respective help page for further details (e.g. by calling Raptor build -h).

The following options below belong to the top-level parser and need to be specified **before** the subcommand key word. Every argument after the subcommand key word is passed on to the corresponding sub-parser.

## OPTIONS

### Common options

- **-h**, **--help**

  Prints the help page.

- **-hh**, **--advanced-help**

  Prints the help page including advanced options.

- **--version**

  Prints the version information.

- **--copyright**

  Prints the copyright/license information.

- **--export-help** (std::string)

  Export the help page information. Value must be one of \[html, man, ctd, cwl\].

## VERSION

**Last update:** Unavailable\
 **Raptor version:** 3.0.1 (commit unavailable)\
 **Sharg version:** 1.1.1\
 **SeqAn version:** 3.4.0-rc.3

## URL

https://github.com/seqan/raptor

## LEGAL

**Raptor Copyright:** BSD 3-Clause License\
 **Author:** Enrico Seiler\
 **Contact:** enrico.seiler@fu-berlin.de\
 **SeqAn Copyright:** 2006-2023 Knut Reinert, FU-Berlin; released under the 3-clause BSDL.\
 **In your academic works please cite:** Raptor: A fast and space-efficient pre-filter for querying very large collections of nucleotide sequences; Enrico Seiler, Svenja Mehringer, Mitra Darvish, Etienne Turc, and Knut Reinert; iScience 2021 24 (7): 102782. doi: https://doi.org/10.1016/j.isci.2021.102782\
 For full copyright and/or warranty information see **--copyright**.