Description Usage Arguments Value Examples

Estimates the geodesic between the two input points

1 2 |

`egg` |
an object of class |

`coords` |
the spherical coordinates of two points on the egg surface, as obtained from |

`n` |
the number of iterative rotations between |

`plot` |
logical, whether or not to plot the geodesic in the current plot window |

`return.points` |
logical, should a vector of points along the geodesic be returned |

`...` |
additional parameters passed to the |

The geodesic between two points

1 2 3 4 5 6 7 8 9 10 11 12 13 | ```
## Not run:
# Determine egg shape and plot
egg.image(egg)
fit = egg.fit()
egg.plot(fit, lwd = 3, col = "red")
# Interactively select a series of points (at least 3)
points = egg.coords(fit, type = "points", pch = 16, col = "red")
# Determine the geodesic between points 1 and 3
egg.geodesic(fit, points[c(1,3),], n=1000, plot=TRUE, lwd=3, col="red")
## End(Not run)
``` |

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