r.iresmi.net - Use data from data.gouv.fr

Author

Michaël

Published

2022-11-06

Modified

2024-04-21

A photo of a high speed train — TGV – CC BY-NC-ND by Enzo JIANG

Day 6 of 30DayMapChallenge: « network » (previously).

Using GIS data directly from data.gouv.fr : railways network of France.

library(dplyr)
library(ggplot2)
library(sf)
library(glue)
library(httr)

# https://www.data.gouv.fr/fr/datasets/fichier-de-formes-des-voies-du-reseau-ferre-national/
if (!file.exists("fichier-de-formes-des-voies-du-reseau-ferre-national.shp")) {
  GET("https://www.data.gouv.fr/fr/datasets/r/71e38477-1166-4074-a532-c51f3f399b09",
      write_disk("data.zip"))
  unzip("data.zip")
}

network <- read_sf("fichier-de-formes-des-voies-du-reseau-ferre-national.shp") |> 
  st_transform("EPSG:2154")

network |> 
  ggplot() +
  geom_sf() +
  theme_minimal() +
  theme(plot.background = element_rect(fill = "white", color = NA)) +
  labs(title = "Réseau ferré français",
       caption = glue("données SNCF 2020 - data.gouv.fr
                      r.iresmi.net - {Sys.Date()}"))

---
title: "Use data from data.gouv.fr"
description: "Day 6 of 30DayMapChallenge"
author: "Michaël"
date: "2022-11-06"
date-modified: last-modified
categories:
  - R
  - 30DayMapChallenge
  - datavisualization
  - spatial
draft: false
freeze: true
editor_options:
chunk_output_type: console
---

[![TGV -- CC BY-NC-ND by Enzo JIANG](images/22119654484_37034774db_h-1200x800.jpg){fig-alt="A photo of a high speed train"}](https://flic.kr/p/zGD1Db)

Day 6 of [30DayMapChallenge](https://30daymapchallenge.com/): « network » ([previously](/#category=30DayMapChallenge)).

Using GIS data directly from [data.gouv.fr](https://www.data.gouv.fr) : railways network of France.

```{r}
library(dplyr)
library(ggplot2)
library(sf)
library(glue)
library(httr)

# https://www.data.gouv.fr/fr/datasets/fichier-de-formes-des-voies-du-reseau-ferre-national/
if (!file.exists("fichier-de-formes-des-voies-du-reseau-ferre-national.shp")) {
  GET("https://www.data.gouv.fr/fr/datasets/r/71e38477-1166-4074-a532-c51f3f399b09",
      write_disk("data.zip"))
  unzip("data.zip")
}

network <- read_sf("fichier-de-formes-des-voies-du-reseau-ferre-national.shp") |> 
  st_transform("EPSG:2154")

network |> 
  ggplot() +
  geom_sf() +
  theme_minimal() +
  theme(plot.background = element_rect(fill = "white", color = NA)) +
  labs(title = "Réseau ferré français",
       caption = glue("données SNCF 2020 - data.gouv.fr
                      r.iresmi.net - {Sys.Date()}"))
```