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Constructor for Track

Usage

Track(
  trackType = c("annotation", "quantitative", "alignment", "variant"),
  sourceType = c("file", "gcs", "ga4gh"),
  fileFormat = c("bed", "gff", "gff3", "gtf", "wig", "bigWig", "bedGraph", "bam", "vcf",
    "seg"),
  trackName,
  onScreenOrder,
  color,
  height,
  autoTrackHeight,
  minTrackHeight,
  maxTrackHeight,
  visibilityWindow
)

Arguments

trackType

One of "annotation", "quantitative", "variant".

sourceType

Only "file" is currently supported.

fileFormat

One of "bed", "bedGraph", "vcf"

trackName

A character string, used as track label by igv, we recommend unique names per track.

onScreenOrder

Numeric, for explicit placement of track within the current set.

color

A CSS color name (e.g., "red" or "#FF0000")

height

track height, typically in range 20 (for annotations) and up to 1000 (for large sample vcf files)

autoTrackHeight

If true, then track height is adjusted dynamically, within the bounds set by minHeight and maxHeight, to accomdodate features in view

minTrackHeight

In pixels, minimum allowed

maxTrackHeight

In pixels, maximum allowed

visibilityWindow

Maximum window size in base pairs for which indexed annotations or variants are displayed. Defaults: 1 MB for variants, whole chromosome for other track types.

Value

An object of class Track