From a set of contigs, returns the base sequence that corresponds to a region of the reference.
From a set of contigs, returns the base sequence that corresponds to a region of the reference.
Reference region over which to get sequence.
String of bases corresponding to reference sequence.
Throws exception if query region is not found.
Aggregates together a sequence dictionary from the different individual reference sequences used in this dataset.
Aggregates together a sequence dictionary from the different individual reference sequences used in this dataset.
A sequence dictionary describing the reference contigs in this dataset.
For a single RDD element, returns 0+ sequence record elements.
For a single RDD element, returns 0+ sequence record elements.
Element from which to extract sequence records.
A seq of sequence records.