Add genomic axes
Add genomic axes
circos.genomicAxis( h = "top", major.at = NULL, labels = NULL, major.by = NULL, tickLabelsStartFromZero = TRUE, labels.cex = 0.4*par("cex"), sector.index = get.current.sector.index(), track.index = get.current.track.index(), ...)
h |
Position of the axes. "top" or "bottom". |
major.at |
Major breaks. If |
labels |
labels corresponding to |
major.by |
Increment of major ticks. It is calculated automatically if the value is not set (about every 10 degrees there is a major tick). |
tickLabelsStartFromZero |
Whether axis tick labels start from 0? This will only affect the axis labels while not affect x-values in cells. |
labels.cex |
The font size for the axis tick labels. |
sector.index |
Index for the sector |
track.index |
Index for the track |
... |
Other arguments pass to |
It assigns proper tick labels under genomic coordinate.
circos.initializeWithIdeogram(chromosome.index = paste0("chr", 1:4), plotType = NULL) circos.track(ylim = c(0, 1), panel.fun = function(x, y) circos.genomicAxis()) circos.track(ylim = c(0, 1), track.height = 0.1) circos.track(track.index = get.current.track.index(), panel.fun = function(x, y) { circos.genomicAxis(h = "bottom", direction = "inside") }) circos.clear()
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