makeChunks: Breaks two GRanges objects into chunks of N size.

Description Usage Arguments Value See Also Examples

View source: R/hiAnnotator.R

Description

Given a query and subject GRanges objects, the function breaks query into chunks of N size where each chunk has a respective subject object filtered by seqnames present in the query chunk. This is a helper function used by one of the annotation function in 'See Also' section where each chunk is sent to a parallel node for processing.

Usage

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makeChunks(sites.rd, features.rd, chunkSize = NULL)

Arguments

sites.rd

a GRanges object.

features.rd

a GRanges object.

chunkSize

number of rows to use per chunk of query. Default to length(sites.rd)/detectCores() or length(query)/getDoParWorkers() depending on parallel backend registered.

Value

a list of GRanges objects where each element is of length 2 representing query & subject chunks.

See Also

makeGRanges, doAnnotation, getNearestFeature, getSitesInFeature, getFeatureCounts.

Examples

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hiAnnotator documentation built on Nov. 8, 2020, 7:27 p.m.