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Last data update: 2014.03.03
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R: Compute a bounding box
Compute a bounding box
Description
Compute a bounding box for a given longitude / latitude
collection.
Usage
make_bbox(lon, lat, data, f = 0.05)
Arguments
lon |
longitude
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lat |
latitude
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data |
(optional) a data frame containing lon and lat as
variables
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f |
number specifying the fraction by which the range should
be extended
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Examples
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
Results
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providing 
.