circlize | R Documentation |

Convert to polar coordinate system

circlize( x, y, sector.index = get.current.sector.index(), track.index = get.current.track.index())

`x` |
Data points on x-axis. The value can also be a two-column matrix/data frame if you put x and y data points into one variable. |

`y` |
Data points on y-axis. |

`sector.index` |
Index for the sector to convert the coordinates. |

`track.index` |
Index for the track to convert the coordinates. |

This is the core function in the package. It transform data points from data coordinate system (in a specific cell) to the polar coordinate system.

A matrix with two columns (`theta`

and `rou`

). `rou`

is measured in degree.

pdf(NULL) sectors = c("a", "b") circos.initialize(sectors, xlim = c(0, 1)) circos.track(ylim = c(0, 1)) # x = 0.5, y = 0.5 in sector a and track 1 circlize(0.5, 0.5, sector.index = "a", track.index = 1) circos.clear() dev.off()

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