osm_descriptors: Element descriptors

In gergness/osmar2: OpenStreetMap and R

Description

For getting OSM data and finding elements in an osmar object one needs to describe the data—here we provide a simple description language.

Usage

node(object)

way(object)

relation(object)

## Default S3 method:
node(object)

## Default S3 method:
way(object)

## Default S3 method:
relation(object)

attrs(condition)

tags(condition)

refs(condition)

## S3 method for class 'condition'
node(object)

## S3 method for class 'condition'
way(object)

## S3 method for class 'condition'
relation(object)

Arguments

object	The descriptor; see details
condition	Condition to describe the object

See Also

bbox

Examples

  ## Description by ID (*.default):
  node(1)
  way(1)
  relation(1)
  ## Description by condition (*.condition):
  node(tags(v == "Marienplatz"))
  ## Description by condition (*.condition):
  way(attrs(id == 17458))

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