geneModelFromTxdb {trackViewer} | R Documentation

## Prepare gene model from an object of TxDb

### Description

Generate an object of `track` for `viewTracks` by given parameters.

### Usage

    geneModelFromTxdb(
      txdb,
      orgDb,
      gr,
      chrom,
      start,
      end,
      strand = c("*", "+", "-"),
      txdump = NULL
    )

### Arguments

`txdb` | An object of `TxDb`
`orgDb` | An object of "OrgDb"
`gr` | An object of GRanges.
`chrom` | chromosome name, must be a seqname of txdb
`start` | start position
`end` | end position
`strand` | strand
`txdump` | output of as.list(txdb), a list of data frames that can be used to make the db again with no loss of information.

### Value

An object of `track`

### See Also

See Also as `importScore`, `importBam`, `viewTracks`

### Examples

    library(TxDb.Hsapiens.UCSC.hg19.knownGene)
    library(org.Hs.eg.db)
    trs <- geneModelFromTxdb(TxDb.Hsapiens.UCSC.hg19.knownGene,
                             org.Hs.eg.db,
                             chrom="chr20",
                             start=22560000,
                             end=22565000,
                             strand="-")

[Package trackViewer version 1.22.1 Index]