targetLL: Target Lat-Lon

In GEOmap: Topographic and Geologic Mapping

Target Lat-Lon

Description

Get a target Lat-Lon from a set of Lat-Lon pairs

Usage

targetLL(sta, rdist = 100)

Arguments

sta	station list (with slots lat lon)
rdist	radius in km

Details

Uses the Median station as the center and returns the lat-lon extents of the target region.

Value

list(

A	matrix with lat-lon pairs (lons=(0,360)
B	matrix with lat-lon pairs (lons=(-180, 180))
mlat	median latitude
mlon	median longitude
Jlat	range of lats
Jlon	range of lons
proj	projection list

Author(s)

Jonathan M. Lees<[e-mail]>

Examples

sta=list( lat=rnorm(10, mean=60, sd=0.5),
lon = rnorm(10, mean=60, sd=0.5))

A = targetLL(sta, rdist = 100)
print(A)


sta=list( lat=rnorm(10, mean=-30, sd=0.5),
lon = rnorm(10, mean=-40, sd=0.5))

A = targetLL(sta, rdist = 100)
print(A)

GEOmap documentation built on Sept. 1, 2023, 5:09 p.m.