s2: as_s2_geography – R documentation

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as_s2_geography

Create an S2 Geography Vector

Description

Geography vectors are arrays of points, lines, polygons, and/or collections of these. Geography vectors assume coordinates are longitude and latitude on a perfect sphere.

Usage

as_s2_geography(x, ...)

## Default S3 method:
as_s2_geography(x, ...)

## S3 method for class 's2_geography'
as_s2_geography(x, ...)

## S3 method for class 's2_lnglat'
as_s2_geography(x, ...)

## S3 method for class 's2_point'
as_s2_geography(x, ...)

## S3 method for class 'wk_wkb'
as_s2_geography(x, ..., oriented = FALSE, check = TRUE)

## S3 method for class 'WKB'
as_s2_geography(x, ..., oriented = FALSE, check = TRUE)

## S3 method for class 'blob'
as_s2_geography(x, ..., oriented = FALSE, check = TRUE)

## S3 method for class 'wk_wkt'
as_s2_geography(x, ..., oriented = FALSE, check = TRUE)

## S3 method for class 'character'
as_s2_geography(x, ..., oriented = FALSE, check = TRUE)

## S3 method for class 'logical'
as_s2_geography(x, ...)

## S3 method for class 's2_geography'
as_wkb(x, ...)

## S3 method for class 's2_geography'
as_wkt(x, ...)

Arguments

`x`	An object that can be converted to an s2_geography vector
`...`	Unused
`oriented`	TRUE if polygon ring directions are known to be correct (i.e., exterior rings are defined counter clockwise and interior rings are defined clockwise).
`check`	Use `check = FALSE` to skip error on invalid geometries

Details

The coercion function as_s2_geography() is used to wrap the input of most functions in the s2 package so that you can use other objects with an unambiguious interpretation as a geography vector. Geography vectors have a minimal vctrs implementation, so you can use these objects in tibble, dplyr, and other packages that use the vctrs framework.

Value

An object with class s2_geography