Description Usage Arguments Details Value Examples

Make an object of class `"s2point"`

representing a single point
on the unit sphere.

1 |

`...` |
Input to interpret as a point on the sphere. Either in terms of three Eucledian coordinates (x,y,z) or two spherical coordinates (latitude,longitude). See Details. |

For three Eucledian coordinates the following type of inputs are recognised:

Three inputs with a single real number (optionally named

`x`

,`y`

and`z`

).A list or data.frame with three real numbers as elements (optionally named

`x`

,`y`

and`z`

).A single vector or matrix with three real numbers.

For two spherical coordinates a named input is required. The names can either
be given as argument names of the function or as the names of the provided
input. Input latitude is partially matched to `"latitude"`

and input longitude
is either partially matched to `longitude`

or exactly matched to `lng`

. In all
cases measurements are in degrees and should be in *[-90,90]* (latitude)
and *[-180,180]* (longitude).
The following type of inputs are recognised:

Two named inputs with a single real number.

A list or data.frame with two named elements containing a real number each.

A single vector with two named elements containing a real number each.

A two column matrix with a single row of real numbers and a

`colnames`

attribute.

Object of class `"s2pp"`

.

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