mapedge: Function to quickly draft the edge of the equirectangular...

Description Usage Arguments Value Examples

View source: R/utility.R

Description

Function to plot the edge of a map with different projections.

Usage

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mapedge(x = 360, y = 180, xmin = -180, xmax = 180, ymin = -90, ymax = 90)

Arguments

x

(numeric) Number of segments in the x (longitude) dimension.

y

(numeric) Number of segments in the y (latitude) dimension.

xmin

(numeric) Minimum value of x (longitude).

xmax

(numeric) Minimum value of x (longitude).

ymin

(numeric) Maximum value of y (latitude).

ymax

(numeric) Maximum value of y (latitude).

Value

A SpatialPolygons class object.

Examples

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# requires rgdal
edge <- mapedge()
molledge <- spTransform(edge, CRS("+proj=moll"))

chronosphere documentation built on April 19, 2021, 1:07 a.m.