poly_tester {stppSim}

Geometry and Coordinate Reference System test of a polygon

Description

Tests whether a polygon has the correct geometry, namely; S4 or sf. Also, tests that there is a valid projection attached to the polygon.

Usage

poly_tester(poly)

Arguments

poly

(as spatialPolygons, spatialPolygonDataFrames, or ⁠simple features⁠). A spatial polygon object.

Details

Returns an error message if the polygon is not in the correct geometry or CRS.

Value

Returns error messages, or mute

Examples

#load boundary of Camden
load(file = system.file("extdata", "camden.rda",
package="stppSim"))
boundary = camden$boundary # get boundary
poly_tester(poly=boundary)