R: Subset an osmar object

subset.osmar {osmar}

R Documentation

Subset an osmar object

Description

Subset an osmar object

Usage

  ## S3 method for class 'osmar'
 subset(x, node_ids = NULL,
    way_ids = NULL, relation_ids = NULL,
    ids = list(node_ids = node_ids, way_ids = way_ids, relation_ids = relation_ids),
    ...)

Arguments

`x`	An `osmar` object
`node_ids`	Node ID vector
`way_ids`	Way ID vector
`relation_ids`	Relation ID vector
`ids`	A list composed of `node_ids`, `way_ids`, `relation_ids`; for easier usage with results from `find_up` and `find_down`
`...`	Ignored

Value

An osmar object containing the specified elements

Examples

data("muc", package = "osmar")
  id <- find(muc, node(tags(v == "Marienplatz")))

  subset(muc, node_ids = id)

  subset(muc, ids = find_up(muc, node(id)))

[Package osmar version 1.1-7 Index]