nts: Generate NTS References

Description Usage Arguments Value Examples

Description

Generate one or more NTS references based on arguments provided.

Usage

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nts(..., lat = NULL, lon = NULL, bbox = NULL, atscale = nts.SCALE50K)

Arguments

...

An arbitrary number of strings in the form 21h1 to be parsed

lat

A vector of latitude values

lon

A vector of longitude values

bbox

A bounding box in the form returned by sp::bbox()

atscale

An integer value describing scale, either 1 (250k) or 2 (50k)

Value

one or more NTS references in the form c("021", "H", "01")

Examples

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nts('21h')
nts('21h1')
nts('21h1', '21a16', '021A15')
nts(lat=45.2, lon=-64.32)
nts(lat=c(45.2, 46.2), lon=c(-64.32, -64.81))

library(prettymapr)
nts(bbox=makebbox(45.125, -64.25, 44.875, -64.75))


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