circlizePlus (version 0.9.0)

ccText: Draw text in a cell

Description

Object ccCellGeom will call the function circlize::circos.text while drawing.

Usage

ccText(
  x = NULL,
  y = NULL,
  labels,
  direction = NULL,
  facing = c("inside", "outside", "reverse.clockwise", "clockwise", "downward",
    "bending", "bending.inside", "bending.outside"),
  niceFacing = FALSE,
  adj = par("adj"),
  cex = 1,
  col = par("col"),
  font = par("font"),
  ...
)

Value

Object ccCellGeom

Arguments

x

Data points on x-axis

y

Data points on y-axis

labels

Labels for each points

direction

deprecated, use facing instead.

facing

Facing of text. Please refer to vignette for different settings

niceFacing

Should the facing of text be adjusted to fit human eyes?

adj

offset for text. By default the text position adjustment is either horizontal or vertical in the canvas coordinate system. The "circular horizontal" offset can be set as a value in degree unit and the value should be wrapped by degree.

cex

Font size

col

Font color

font

Font style

...

Pass to text

Examples

library(circlizePlus)
n <- 1000
df <- data.frame(
  sectors = sample(letters[1:8], n, replace = TRUE),
  x = rnorm(n), y = runif(n)
)
par1 <- ccPar("track.height" = 0.1)
cc <- ccPlot(sectors = df$sectors, x = df$x) + par1
track1 <- ccTrack(
  sectors = df$sectors, y = df$y,
  panel.fun = function(x, y) {
    circos.text(
      CELL_META$xcenter,
      CELL_META$cell.ylim[2] + mm_y(5),
      CELL_META$sector.index
    )
    circos.axis(labels.cex = 0.6)
  }
)
cell1 <- ccCell(sector.index = "a") + ccText(-1, 0.5, "text")
track1 <- track1 + cell1
cc <- cc + track1
cc