R/mercatorlat.R

In birdring: Methods to Analyse Ring Re-Encounter Data

Defines functions mercatorlat

Documented in mercatorlat

# computes the factor of the latitudes for the mercator projection
# Rummler 2002
# Author: Fraenzi Korner, 2004, www.oikostat.ch
mercatorlat<-function(x) {
##Funktion aus Rummler 2002, Elem. Math.
log(tan(pi/4+x*pi/360))
}

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