mercatorlat: gives the streching factor of the latitude to draw a mercator...

View source: R/mercatorlat.R

mercatorlatR Documentation

gives the streching factor of the latitude to draw a mercator map

Description

this function is only used internally by the function draw.map

Usage

mercatorlat(x)

Arguments

x

latitude in decimal coordinates

Value

numeric: latitude to draw a mercator map

Author(s)

Fraenzi Korner-Nievergelt

References

Rummler, H. (2002) Mercatorkarte und hyperbolische Geometrie. Elem. Math., 57, 168-173.

Examples

mercatorlat(41.6)

birdring documentation built on Oct. 7, 2023, 5:07 p.m.