mercator_lat_scale

gistools::geometry::wm

Function mercator_lat_scale 

Source 
pub fn mercator_lat_scale(lat: f64) -> f64
Expand description

Determine the Mercator scale factor for a given latitude, see https://en.wikipedia.org/wiki/Mercator_projection#Scale_factor

At the equator the scale factor will be 1, which increases at higher latitudes. returns the scale factor