wfs_api: WFS API
In rOpenGov/helsinki: R Tools for Helsinki Open Data

wfs_api

R Documentation

WFS API

Description

Requests to various WFS API.

Usage

wfs_api(base.url = NULL, queries, ...)

Arguments

`base.url`	WFS url, for example "https://kartta.hsy.fi/geoserver/wfs"
`queries`	List of query parameters
`...`	For passing parameters to embedded functions, for example timeout.s (timeout in seconds) in the case of gracefully_fail() internal function

Details

Make a request to the spesific WFS API. The base url is https://kartta.hsy.fi/geoserver/wfs to which other components defined by the arguments are appended.

This is a low-level function intended to be used by other higher level functions in the package.

Value

wfs_api (S3) object with the following attributes:

content: XML payload.
path: path provided to get the resonse.
response: the original response object.

Author(s)

Joona Lehtomäki joona.lehtomaki@iki.fi, Kostas Vasilopoulos, Pyry Kantanen

Source

Gracefully failing HTTP request code (slightly adapted by Pyry Kantanen) from RStudio community member kvasilopoulos. Many thanks!

Source of the original RStudio community discussion: https://community.rstudio.com/t/internet-resources-should-fail-gracefully/49199

Examples

## Not run: 
wfs_api(
  base.url = "https://kartta.hsy.fi/geoserver/wfs",
  queries = c(
    "service" = "WFS",
    "version" = "1.0.0",
    "request" = "getFeature",
    "typeName" = "ilmanlaatu:Ilmanlaatu_nyt"
  )
)

## End(Not run)

rOpenGov/helsinki documentation built on Feb. 19, 2023, 3:26 a.m.