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gcLat

Latitude on a Great Circle

Description

Latitude at which a great circle crosses a longitude

Usage

gcLat(p1, p2, lon)

Arguments

p1

Longitude/latitude of a single point, in degrees; can be a vector of two numbers, a matrix of 2 columns (first one is longitude, second is latitude) or a SpatialPoints* object
p2

As above
lon

Longitude

Value

A numeric (latitude)

Author(s)

Robert Hijmans based on a formula by Ed Williams

References

See Also

Examples

gcLat(c(5,52), c(-120,37), lon=-120)
geosphere

Spherical Trigonometry

v1.5-10
GPL (>= 3)
Authors
Robert J. Hijmans [cre, aut], Ed Williams [ctb], Chris Vennes [ctb]
Initial release
2019-05-25

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