sf: st_m_range – R documentation

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st_m_range

Return 'm' range of a simple feature or simple feature set

Description

Return 'm' range of a simple feature or simple feature set

Usage

## S3 method for class 'm_range'
is.na(x)

st_m_range(obj, ...)

## S3 method for class 'POINT'
st_m_range(obj, ...)

## S3 method for class 'MULTIPOINT'
st_m_range(obj, ...)

## S3 method for class 'LINESTRING'
st_m_range(obj, ...)

## S3 method for class 'POLYGON'
st_m_range(obj, ...)

## S3 method for class 'MULTILINESTRING'
st_m_range(obj, ...)

## S3 method for class 'MULTIPOLYGON'
st_m_range(obj, ...)

## S3 method for class 'GEOMETRYCOLLECTION'
st_m_range(obj, ...)

## S3 method for class 'MULTISURFACE'
st_m_range(obj, ...)

## S3 method for class 'MULTICURVE'
st_m_range(obj, ...)

## S3 method for class 'CURVEPOLYGON'
st_m_range(obj, ...)

## S3 method for class 'COMPOUNDCURVE'
st_m_range(obj, ...)

## S3 method for class 'POLYHEDRALSURFACE'
st_m_range(obj, ...)

## S3 method for class 'TIN'
st_m_range(obj, ...)

## S3 method for class 'TRIANGLE'
st_m_range(obj, ...)

## S3 method for class 'CIRCULARSTRING'
st_m_range(obj, ...)

## S3 method for class 'sfc'
st_m_range(obj, ...)

## S3 method for class 'sf'
st_m_range(obj, ...)

## S3 method for class 'numeric'
st_m_range(obj, ..., crs = NA_crs_)

NA_m_range_

Arguments

`x`	object of class `m_range`
`obj`	object to compute the m range from
`...`	ignored
`crs`	object of class `crs`, or argument to st_crs, specifying the CRS of this bounding box.

Format

An object of class m_range of length 2.

Details

NA_m_range_ represents the missing value for a m_range object

Value

a numeric vector of length two, with mmin and mmax values; if obj is of class sf or sfc the object if obj is of class sf or sfc the object returned has a class m_range

Examples

a = st_sf(a = 1:2, geom = st_sfc(st_point(0:3), st_point(1:4)), crs = 4326)
st_m_range(a)
st_m_range(c(mmin = 16.1, mmax = 16.6), crs = st_crs(4326))

sf

Simple Features for R

v0.9-8

GPL-2 | MIT + file LICENSE

Authors

Edzer Pebesma [aut, cre] (<https://orcid.org/0000-0001-8049-7069>), Roger Bivand [ctb] (<https://orcid.org/0000-0003-2392-6140>), Etienne Racine [ctb], Michael Sumner [ctb], Ian Cook [ctb], Tim Keitt [ctb], Robin Lovelace [ctb], Hadley Wickham [ctb], Jeroen Ooms [ctb] (<https://orcid.org/0000-0002-4035-0289>), Kirill Müller [ctb], Thomas Lin Pedersen [ctb], Dan Baston [ctb]

Initial release