make_bbox: Compute a bounding box

Description Usage Arguments Examples

View source: R/make_bbox.R

Description

Compute a bounding box for a given longitude / latitude collection.

Usage

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make_bbox(lon, lat, data, f = 0.05)

Arguments

lon

longitude

lat

latitude

data

(optional) a data frame containing lon and lat as variables

f

number specifying the fraction by which the range should be extended

Examples

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make_bbox(lon, lat, data = crime)

(lon <- sample(crime$lon, 10))
(lat <- sample(crime$lat, 10))
make_bbox(lon, lat)
make_bbox(lon, lat, f = .10) # bigger box

ggmap documentation built on May 29, 2017, 3:39 p.m.