Running DRAGEN analyses with ORA files as input

DRAGEN ORA files can be used directly as input for the map/align step or they can be decompressed to FastQ files first. Here are a few scenarios which use ORA files as input and the flags that need to be included in said analyses.

Input

Map/Align

FastQ Output

Flags to be used

ORA

Yes

No

| ORA | No | Yes |

--ora-reference [path to the ORA reference] --enable-map-align true

--ora-reference [path to the ORA reference] --enable-map-align true

ORA

No

Yes

| | ORA | Yes | Yes |

--ora-reference [path to the ORA reference] --enable-ora true --ora-decompress true --enable-map-align false

--ora-reference [path to the ORA reference] --enable-ora true --ora-decompress true --enable-map-align false

ORA

Yes

Yes

|

More information about ORA compression/decompression can be found in the user guide.

--ora-reference [path to the ORA reference] --enable-ora true --ora-decompress true --enable-map-align true

For any feedback or questions regarding this article (Illumina Knowledge Article #7955), contact Illumina Technical Support techsupport@illumina.com.

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