subset.osmar: Subset an osmar object

In gergness/osmar2: OpenStreetMap and R

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 = "osmar2")
  id <- find(muc, node(tags(v == "Marienplatz")))

  subset(muc, node_ids = id)

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

gergness/osmar2 documentation built on May 17, 2019, 2:10 a.m.