wrapPoly

llCropBox

Reprojects a SpatialPolygons object to a projection with longitude wrapping other than 180 degreess

Provides a minimal, light-weight set of tools for producing nice looking maps in R, with support for map projections. See Brown (2016) <doi:10.32614/RJ-2016-005>.

Patrick Brown

mapmisc

Utilities for Producing Maps

wrapPoly function

<dl><dt>x</dt>
<dd>A Spatial object</dd><dt>crs</dt>
<dd>Caracther string representing a <code><a href="/link/crs?package=mapmisc&version=2.1.0" data-mini-rdoc="mapmisc::crs">crs</a></code>.</dd><dt>buffer.width</dt>
<dd>buffer to add to points on border when cropping poloygons, defaults to 100km</dd><dt>densify.interval</dt>
<dd>interval when densifying</dd><dt> crop.distance</dt>
<dd>crop coordinates larger than this value</dd><dt>crop.poles</dt>
<dd>remove areas near the poles</dd><dt>crop.leftright</dt>
<dd>remove points near 180 longitute line</dd><dt>remove.holes</dt>
<dd>fill holes in the crop region</dd><dt>cycles</dt>
<dd>iterations adding denser points</dd><dt>ellipse</dt>
<dd>boundary of the world in crs coordinates</dd></dl>

Arguments

Reproject polygons with wrapping — wrapPoly

<dl>

<dt>x</dt>
<dd>A Spatial object</dd>

<dt>crs</dt>
<dd>Caracther string representing a <code><a href='https://rdrr.io/pkg/terra/man/crs.html'>crs</a></code>.</dd>

<dt>buffer.width</dt>
<dd>buffer to add to points on border when cropping poloygons, defaults to 100km</dd>

<dt>densify.interval</dt>
<dd>interval when densifying</dd>

<dt> crop.distance</dt>
<dd>crop coordinates larger than this value</dd>

<dt>crop.poles</dt>
<dd>remove areas near the poles</dd>

<dt>crop.leftright</dt>
<dd>remove points near 180 longitute line</dd>

<dt>remove.holes</dt>
<dd>fill holes in the crop region</dd>

<dt>cycles</dt>
<dd>iterations adding denser points</dd>

<dt>ellipse</dt>
<dd>boundary of the world in crs coordinates</dd>

</dl>

wrapPoly: Reproject polygons with wrapping

Description

Usage

Value

Arguments

See Also