track_spacer {rGenomeTracks}

R Documentation

Generate spacing track

Description

Create spacing track with custom height.

Usage

track_spacer(title = NULL, height = 2, overlay_previous = "no")

Arguments

title	String. If specificed, the title of the track to be displayed.
height	Numeric. The height of the plotted track in cm. Default is 2. See notes.
overlay_previous	String. Options are "no" (default) or "yes" or "share-y".

Value

None

Author(s)

Omar Elashkar

Examples

bed12_dir <- system.file("extdata", "dm3_genes.bed.gz",
  package = "rGenomeTracks"
)
bed4_dir <- system.file("extdata", "dm3_genes.bed4.gz",
  package = "rGenomeTracks"
)
bed6_dir <- system.file("extdata", "dm3_genes.bed6.gz",
  package = "rGenomeTracks"
)

# Create bed track using bed4 file
bed4 <- track_bed(
  file = bed4_dir, height = 3, title = "bed4", color = "cyan", ,
  border_color = "#9ACD32", line_width = 1.5
)

# Create bed track using bed6 file
bed6 <- track_bed(
  file = bed6_dir, height = 3, title = "bed4", fontsize = 8, color = "red",
  border_color = "yellow", arrowhead_included = TRUE
)

# Create bed track using bed12 file
bed12 <- track_bed(
  file = bed12_dir, height = 3, title = "bed12", style = "UCSC",
  arrow_interval = 10, fontsize = 10
)

# Create a spacer track
space <- track_spacer(height = 1)
## Not run: 
# Plotting the tracks
plot_gtracks(bed4 + space + bed6 + space + bed12 + space,
  chr = "X", start = 300 * 10^4, end = 330 * 10^4, verbose = TRUE
)

## End(Not run)

---