# Script de decoupage des GTFS / Inspiré du package UK2GTFS

#### Installation et lancement du package ####

#install.packages("remotes")

#install.packages("leaflet")

#install.packages("sf")

#install.packages(opentripplanner)

#install.packages(tidyverse)

#install.packages("downloader")

library("leaflet")

library("sf")

library(tidyverse)

library(downloader)

# Création des fonctions

#gtfs_read

gtfs_read <- function(path){

checkmate::assert_file_exists(path)

tmp_folder <- file.path(tempdir(),"gtfsread")

dir.create(tmp_folder)

utils::unzip(path, exdir = tmp_folder)

files <- list.files(tmp_folder, pattern = ".txt")

gtfs <- list()

message_log <- c("Unable to find optional files: ")

if(checkmate::test_file_exists(file.path(tmp_folder,"agency.txt"))){

gtfs$agency <- readr::read_csv(file.path(tmp_folder,"agency.txt"))

} else {

warning("Unable to find required file: agency.txt")

}

if(checkmate::test_file_exists(file.path(tmp_folder,"stops.txt"))){

gtfs$stops <- readr::read_csv(file.path(tmp_folder,"stops.txt"))

} else {

warning("Unable to find required file: stops.txt")

}

if(checkmate::test_file_exists(file.path(tmp_folder,"routes.txt"))){

gtfs$routes <- readr::read_csv(file.path(tmp_folder,"routes.txt"),

col_types = readr::cols(route_id = readr::col_character()))

} else {

warning("Unable to find required file: routes.txt")

}

if(checkmate::test_file_exists(file.path(tmp_folder,"trips.txt"))){

gtfs$trips <- readr::read_csv(file.path(tmp_folder,"trips.txt"),

col_types = readr::cols(trip_id = readr::col_character(),

route_id = readr::col_character()))

} else {

warning("Unable to find required file: trips.txt")

}

if(checkmate::test_file_exists(file.path(tmp_folder,"stop_times.txt"))){

gtfs$stop_times <- readr::read_csv(file.path(tmp_folder,"stop_times.txt"),

col_types = readr::cols(trip_id = readr::col_character(),

departure_time = readr::col_character(),

arrival_time = readr::col_character()))

gtfs$stop_times$arrival_time <- lubridate::hms(gtfs$stop_times$arrival_time)

gtfs$stop_times$departure_time <- lubridate::hms(gtfs$stop_times$departure_time)

} else {

warning("Unable to find required file: stop_times.txt")

}

if(checkmate::test_file_exists(file.path(tmp_folder,"calendar.txt"))){

gtfs$calendar <- readr::read_csv(file.path(tmp_folder,"calendar.txt"),

col_types = readr::cols(start_date = readr::col_date(format = "%Y%m%d"),

end_date = readr::col_date(format = "%Y%m%d")))

} else {

message("Unable to find conditionally required file: calendar.txt")

}

if(checkmate::test_file_exists(file.path(tmp_folder,"calendar_dates.txt"))){

gtfs$calendar_dates <- readr::read_csv(file.path(tmp_folder,"calendar_dates.txt"),

col_types = readr::cols(date = readr::col_date(format = "%Y%m%d")))

} else {

message("Unable to find conditionally required file: calendar_dates.txt")

}

if(checkmate::test_file_exists(file.path(tmp_folder,"fare_attributes.txt"))){

gtfs$fare_attributes <- readr::read_csv(file.path(tmp_folder,"fare_attributes.txt"))

} else {

message_log <- c(message_log, "fare_attributes.txt")

}

if(checkmate::test_file_exists(file.path(tmp_folder,"fare_rules.txt"))){

gtfs$fare_rules <- readr::read_csv(file.path(tmp_folder,"fare_rules.txt"))

} else {

message_log <- c(message_log, "fare_rules.txt")

}

if(checkmate::test_file_exists(file.path(tmp_folder,"shapes.txt"))){

gtfs$shapes <- readr::read_csv(file.path(tmp_folder,"shapes.txt"))

} else {

message_log <- c(message_log, "shapes.txt")

}

if(checkmate::test_file_exists(file.path(tmp_folder,"transfers.txt"))){

gtfs$transfers <- readr::read_csv(file.path(tmp_folder,"transfers.txt"))

} else {

message_log <- c(message_log, "transfers.txt")

}

unlink(tmp_folder, recursive = TRUE)

if(length(message_log) > 0){

message(paste(message_log, collapse = " "))

}

return(gtfs)

}

#gtfs_clip

gtfs_clip <- function(gtfs, bounds) {

if(!sf::st_is_longlat(bounds)){

stop("The CRS of bounds is not EPSG:4326, please reproject with sf::st_transform(bounds, 4326)")

}

if (nrow(bounds) > 1) {

message("Multiple geometrys offered, using total area of all geometries")

bounds <- sf::st_combine(bounds)

suppressWarnings(bounds <- sf::st_buffer(bounds, 0))

}

stops <- gtfs$stops

stop_times <- gtfs$stop_times

# bbox <- sf::st_bbox(bounds)

stops_inc <- stops[!is.na(stops$stop_lon), ]

stops_inc$stop_lon <- as.numeric(stops_inc$stop_lon)

stops_inc$stop_lat <- as.numeric(stops_inc$stop_lat)

stops_inc <- sf::st_as_sf(stops_inc, coords = c("stop_lon", "stop_lat"), crs = 4326)

suppressWarnings(stops_inc <- stops_inc[bounds, ])

stops_inc <- unique(stops_inc$stop_id)

gtfs$stops <- gtfs$stops[gtfs$stops$stop_id %in% stops_inc, ]

gtfs$stop_times <- gtfs$stop_times[gtfs$stop_times$stop_id %in% stops_inc, ]

# Check for single stop trips

n_stops <- table(gtfs$stop_times$trip_id)

single_stops <- as.integer(names(n_stops[n_stops == 1]))

gtfs$stop_times <- gtfs$stop_times[!gtfs$stop_times$trip_id %in% single_stops, ]

# Check for any unused stops

gtfs$stops <- gtfs$stops[gtfs$stops$stop_id %in% unique(gtfs$stop_times$stop_id), ]

gtfs$trips <- gtfs$trips[gtfs$trips$trip_id %in% unique(gtfs$stop_times$trip_id), ]

gtfs$routes <- gtfs$routes[gtfs$routes$route_id %in% unique(gtfs$trips$route_id), ]

gtfs$calendar <- gtfs$calendar[gtfs$calendar$service_id %in% unique(gtfs$trips$service_id), ]

gtfs$calendar_dates <- gtfs$calendar_dates[gtfs$calendar_dates$service_id %in% unique(gtfs$trips$service_id), ]

gtfs$agency <- gtfs$agency[gtfs$agency$agency_id %in% unique(gtfs$routes$agency_id), ]

return(gtfs)

}

#gtfs_clean

gtfs_clean <- function(gtfs) {

# 1 Remove stops with no locations

gtfs$stop_times <- gtfs$stop_times[gtfs$stop_times$stop_id %in% unique(gtfs$stops$stop_id), ]

# 2 Remove stops that are never used

gtfs$stops <- gtfs$stops[gtfs$stops$stop_id %in% unique(gtfs$stop_times$stop_id), ]

return(gtfs)

}

#gtfs_force_valid

gtfs_force_valid <- function(gtfs) {

message("Cette fonction supprime certaines erreurs mais ne les corrige pas")

# Stops with missing lat/lon

gtfs$stops <- gtfs$stops[!is.na(gtfs$stops$stop_lon) & !is.na(gtfs$stops$stop_lat),]

# Stop Times that are not in stops

gtfs$stop_times <- gtfs$stop_times[gtfs$stop_times$stop_id %in% gtfs$stops$stop_id,]

#Trips that are not in trips

gtfs$stop_times <- gtfs$stop_times[gtfs$stop_times$trip_id %in% gtfs$trips$trip_id,]

return(gtfs)

}

#gtfs_write

gtfs_write <- function(gtfs,

folder = getwd(),

name = "gtfs",

stripComma = TRUE,

stripTab = TRUE,

quote = FALSE) {

if (stripComma) {

for (i in seq_len(length(gtfs))) {

gtfs[[i]] <- stripCommas(gtfs[[i]])

}

}

if (stripTab) {

for (i in seq_len(length(gtfs))) {

gtfs[[i]] <- stripTabs(gtfs[[i]])

}

}

#Format Dates

if(class(gtfs$calendar$start_date) == "Date"){

gtfs$calendar$start_date <- format(gtfs$calendar$start_date, "%Y%m%d")

}

if(class(gtfs$calendar$end_date) == "Date"){

gtfs$calendar$end_date <- format(gtfs$calendar$end_date, "%Y%m%d")

}

if(class(gtfs$calendar_dates$date) == "Date"){

gtfs$calendar_dates$date <- format(gtfs$calendar_dates$date, "%Y%m%d")

}

#Format times

if(class(gtfs$stop_times$arrival_time) == "Period"){

gtfs$stop_times$arrival_time <- period2gtfs(gtfs$stop_times$arrival_time)

}

if(class(gtfs$stop_times$departure_time) == "Period"){

gtfs$stop_times$departure_time <- period2gtfs(gtfs$stop_times$departure_time)

}

dir.create(paste0(folder, "/gtfs_temp"))

utils::write.csv(gtfs$calendar, paste0(folder, "/gtfs_temp/calendar.txt"), row.names = FALSE, quote = quote)

if (nrow(gtfs$calendar_dates) > 0) {

utils::write.csv(gtfs$calendar_dates, paste0(folder, "/gtfs_temp/calendar_dates.txt"), row.names = FALSE, quote = quote)

}

utils::write.csv(gtfs$routes, paste0(folder, "/gtfs_temp/routes.txt"), row.names = FALSE, quote = quote)

utils::write.csv(gtfs$stop_times, paste0(folder, "/gtfs_temp/stop_times.txt"), row.names = FALSE, quote = quote)

utils::write.csv(gtfs$trips, paste0(folder, "/gtfs_temp/trips.txt"), row.names = FALSE, quote = quote)

utils::write.csv(gtfs$stops, paste0(folder, "/gtfs_temp/stops.txt"), row.names = FALSE, quote = quote)

utils::write.csv(gtfs$agency, paste0(folder, "/gtfs_temp/agency.txt"), row.names = FALSE, quote = quote)

if ("transfers" %in% names(gtfs)) {

utils::write.csv(gtfs$transfers, paste0(folder, "/gtfs_temp/transfers.txt"), row.names = FALSE, quote = quote)

}

zip::zipr(paste0(folder, "/", name, ".zip"), list.files(paste0(folder, "/gtfs_temp"), full.names = TRUE), recurse = FALSE)

unlink(paste0(folder, "/gtfs_temp"), recursive = TRUE)

message(paste0(folder, "/", name, ".zip"))

}

#### Definition du chemin de la couche de decoupage (EPSG 4326) et du chemin de sortie ####

sourceZone <- "C:/Users/boucherec/Documents/Stage/Travail/Decoupage-GTFS/UK2GTFS/clip"

sortie <- "C:/Users/boucherec/Documents/Stage/OTP/otp-data/transfrontalier/"

#### Import et visualisation de la zone de decoupe ####

Zone <- st_read(dsn = sourceZone, layer = 'zone_25km_frontiere_grand-est_4326')

plot(Zone)

#---------SUISSE------------

#### Telechargement et definition du chemin des donnees ####

sourceGTFS <- "C:/Users/boucherec/Documents/Stage/telechargements/suisse.zip"

download("https://opentransportdata.swiss/dataset/1aff176a-9665-4395-a3b1-03e3032a0373/resource/349438b3-6d65-4124-950d-3ad37609b7bb/download/gtfs_fp2021_2021-06-23_09-10.zip",sourceGTFS, mode = "wb")

#### Visualisation de l'emprise du GTFS d'entree ####

# Lecture du GTFS

gtfs <- gtfs_read(sourceGTFS)

# Creation de la carte ( basee sur les arrets)

# carte_arrets_entree = leaflet() %>%

# # Ajout du fond de plan

# addProviderTiles("CartoDB.Voyager") %>%

# # Ajout des arrets

# addCircleMarkers(lng= ~as.numeric(stop_lon), lat= ~as.numeric(stop_lat), data = gtfs$stops,

# stroke = FALSE, fillOpacity = 0.5, radius =1 )

# Affichage de la carte

# carte_arrets_entree

#### Decoupage et visualisation du GTFS decoupe ####

gtfs2 <- gtfs_clip(gtfs,Zone)

# Creation de la carte basee sur les arrets

carte_arrets_entree = leaflet() %>%

# Ajout du fond de plan

addProviderTiles("CartoDB.Voyager") %>%

# Ajout des arrets

addCircleMarkers(lng= ~as.numeric(stop_lon), lat= ~as.numeric(stop_lat), data = gtfs2$stops,

stroke = FALSE, fillOpacity = 0.5, radius =1 )

# Affichage de la carte

carte_arrets_entree

#### Suppression des transfers avec stops supprimes ####

transfers <- gtfs2$transfers

stops <- gtfs2$stops

# Preparation des stops pour la jointure

stops2 <- stops %>% rename(from_stop_id = stop_id)

stops2$from_stop_id <- as.character(stops2$from_stop_id)

stops3 <- stops %>% rename(to_stop_id = stop_id)

stops3$to_stop_id <- as.character(stops3$to_stop_id)

# Preparation des transfers pour la jointure

transfers$from_stop_id <- as.character(transfers$from_stop_id)

transfers$to_stop_id <- as.character(transfers$to_stop_id)

# Jointure et suppression des champs incomplets

transfers2 <- left_join(stops3,transfers) %>% select(from_stop_id, to_stop_id, transfer_type, min_transfer_time) %>% unique()

transfers2 <- transfers2 %>% filter( !is.na(from_stop_id) & !is.na(to_stop_id) )

# Remplacement dans le GTFS par couche corrigee

gtfs2$transfers <- transfers2

#### Suppression des trips avec moins de deux arrets ####

trips <- gtfs2$trips

stop_times <- gtfs2$stop_times

# Jointure entre trips et stop_times

trips2 <- right_join(trips,stop_times) %>% select(route_id, service_id, trip_id, trip_headsign, trip_short_name, direction_id, stop_id)

# Compte du nombre d'arret par trips et selection des trips avec plus de 1 arrets

compte <- trips2 %>% group_by(trip_id) %>% summarise(nb = n())

compte <- compte %>% filter(nb>1)

# Jointures attributaires entre les deux tables et la table compte

trips2 <- right_join(trips,compte) %>% select(route_id, service_id, trip_id, trip_headsign, trip_short_name, direction_id)

stop_times2 <- right_join(stop_times,compte) %>% select(trip_id, arrival_time, departure_time, stop_id, stop_sequence, pickup_type, drop_off_type)

# Remplacement dans le GTFS par couches corrigees

gtfs2$trips <- trips2

gtfs2$stop_times <- stop_times2

#### Nettoyage et ecriture du GTFS ####

gtfs_clean(gtfs2)

gtfs_force_valid(gtfs2)

# Ecriture du nouveau GTFS

gtfs_write(gtfs2, sortie, name ="suisse_gtfs")

#### Suppression des fichiers crees ####

rm(carte_arrets_entree)

rm(compte)

rm(gtfs)

rm(gtfs2)

rm(stop_times)

rm(stop_times2)

rm(stops)

rm(stops2)

rm(stops3)

rm(transfers)

rm(transfers2)

rm(trips)

rm(trips2)

#---------ALLEMAGNE (transit local)------------

#### Telechargement et definition du chemin des donnees ####

source2GTFS <- "C:/Users/boucherec/Documents/Stage/telechargements/allemagne_tl.zip"

download("https://download.gtfs.de/germany/nv_free/latest.zip",source2GTFS, mode = "wb")

#### Lecture du GTFS ####

gtfs <- gtfs_read(source2GTFS)

#### Decoupage et visualisation du GTFS decoupe ####

gtfs2 <- gtfs_clip(gtfs,Zone)

# Creation de la carte basee sur les arrets

carte_arrets_entree = leaflet() %>%

# Ajout du fond de plan

addProviderTiles("CartoDB.Voyager") %>%

# Ajout des arrets

addCircleMarkers(lng= ~as.numeric(stop_lon), lat= ~as.numeric(stop_lat), data = gtfs2$stops,

stroke = FALSE, fillOpacity = 0.5, radius =1 )

# Affichage de la carte

carte_arrets_entree

#### Suppression des trips avec moins de deux arrets ####

trips <- gtfs2$trips

stop_times <- gtfs2$stop_times

# Jointure entre trips et stop_times

trips2 <- right_join(trips,stop_times) %>% select(route_id, service_id, trip_id, direction_id, stop_id)

# Compte du nombre d'arret par trips et selection des trips avec plus de 1 arrets

compte <- trips2 %>% group_by(trip_id) %>% summarise(nb = n())

compte <- compte %>% filter(nb>1)

# Jointures attributaires entre les deux tables et la table compte

trips2 <- right_join(trips,compte) %>% select(route_id, service_id, trip_id, direction_id)

stop_times2 <- right_join(stop_times,compte) %>% select(trip_id, arrival_time, departure_time, stop_id, stop_sequence, pickup_type, drop_off_type)

# Remplacement dans le GTFS par couches corrigees

gtfs2$trips <- trips2

gtfs2$stop_times <- stop_times2

#### Nettoyage et ecriture du GTFS ####

gtfs_clean(gtfs2)

gtfs_force_valid(gtfs2)

# Ecriture du nouveau GTFS

gtfs_write(gtfs2, sortie, name = "allemagne_local_transit")

#### Suppression des fichiers crees ####

rm(carte_arrets_entree)

rm(compte)

rm(gtfs)

rm(gtfs2)

rm(stop_times)

rm(stop_times2)

rm(trips)

rm(trips2)

#---------ALLEMAGNE (long distance rail)------------

#### Telechargement et definition du chemin des donnees ####

source3GTFS <- "C:/Users/boucherec/Documents/Stage/telechargements/allemagne_ldr.zip"

download("https://download.gtfs.de/germany/fv_free/latest.zip",source3GTFS, mode = "wb")

#### Lecture du GTFS ####

gtfs <- gtfs_read(source3GTFS)

#### Decoupage et visualisation du GTFS decoupe ####

gtfs2 <- gtfs_clip(gtfs,Zone)

# Creation de la carte basee sur les arrets

carte_arrets_entree = leaflet() %>%

# Ajout du fond de plan

addProviderTiles("CartoDB.Voyager") %>%

# Ajout des arrets

addCircleMarkers(lng= ~as.numeric(stop_lon), lat= ~as.numeric(stop_lat), data = gtfs2$stops,

stroke = FALSE, fillOpacity = 0.5, radius =1 )

# Affichage de la carte

carte_arrets_entree

#### Suppression des trips avec moins de deux arrets ####

trips <- gtfs2$trips

stop_times <- gtfs2$stop_times

# Jointure entre trips et stop_times

trips2 <- right_join(trips,stop_times) %>% select(route_id, service_id, trip_id, direction_id, stop_id)

# Compte du nombre d'arret par trips et selection des trips avec plus de 1 arrets

compte <- trips2 %>% group_by(trip_id) %>% summarise(nb = n())

compte <- compte %>% filter(nb>1)

# Jointures attributaires entre les deux tables et la table compte

trips2 <- right_join(trips,compte) %>% select(route_id, service_id, trip_id, direction_id)

stop_times2 <- right_join(stop_times,compte) %>% select(trip_id, arrival_time, departure_time, stop_id, stop_sequence, pickup_type, drop_off_type)

# Remplacement dans le GTFS par couches corrigees

gtfs2$trips <- trips2

gtfs2$stop_times <- stop_times2

#### Nettoyage et ecriture du GTFS ####

gtfs_clean(gtfs2)

gtfs_force_valid(gtfs2)

# Ecriture du nouveau GTFS

gtfs_write(gtfs2, sortie, name = "allemagne_long_distance_rail")

#### Suppression des fichiers crees ####

rm(carte_arrets_entree)

rm(compte)

rm(gtfs)

rm(gtfs2)

rm(stop_times)

rm(stop_times2)

rm(trips)

rm(trips2)

#---------ALLEMAGNE (regional rail)------------

#### Telechargement et definition du chemin des donnees ####

source4GTFS <- "C:/Users/boucherec/Documents/Stage/telechargements/allemagne_rr.zip"

download("https://download.gtfs.de/germany/rv_free/latest.zip",source4GTFS, mode = "wb")

#### Lecture du GTFS ####

gtfs <- gtfs_read(source4GTFS)

#### Decoupage et visualisation du GTFS decoupe ####

gtfs2 <- gtfs_clip(gtfs,Zone)

# Creation de la carte basee sur les arrets

carte_arrets_entree = leaflet() %>%

# Ajout du fond de plan

addProviderTiles("CartoDB.Voyager") %>%

# Ajout des arrets

addCircleMarkers(lng= ~as.numeric(stop_lon), lat= ~as.numeric(stop_lat), data = gtfs2$stops,

stroke = FALSE, fillOpacity = 0.5, radius =1 )

# Affichage de la carte

carte_arrets_entree

#### Suppression des trips avec moins de deux arrets ####

trips <- gtfs2$trips

stop_times <- gtfs2$stop_times

# Jointure entre trips et stop_times

trips2 <- right_join(trips,stop_times) %>% select(route_id, service_id, trip_id, direction_id, stop_id)

# Compte du nombre d'arret par trips et selection des trips avec plus de 1 arrets

compte <- trips2 %>% group_by(trip_id) %>% summarise(nb = n())

compte <- compte %>% filter(nb>1)

# Jointures attributaires entre les deux tables et la table compte

trips2 <- right_join(trips,compte) %>% select(route_id, service_id, trip_id, direction_id)

stop_times2 <- right_join(stop_times,compte) %>% select(trip_id, arrival_time, departure_time, stop_id, stop_sequence, pickup_type, drop_off_type)

# Remplacement dans le GTFS par couches corrigees

gtfs2$trips <- trips2

gtfs2$stop_times <- stop_times2

#### Nettoyage et ecriture du GTFS ####

gtfs_clean(gtfs2)

gtfs_force_valid(gtfs2)

# Ecriture du nouveau GTFS

gtfs_write(gtfs2, sortie, name = "allemagne_regional_rail")

#### Suppression des fichiers crees ####

rm(carte_arrets_entree)

rm(compte)

rm(gtfs)

rm(gtfs2)

rm(stop_times)

rm(stop_times2)

rm(trips)

rm(trips2)

#---------BELGIQUE------------

#### Telechargement et definition du chemin des donnees ####

source5GTFS <- "C:/Users/boucherec/Documents/Stage/telechargements/belgique.zip"

download("http://opendata.tec-wl.be/Current%20GTFS/TEC-GTFS.zip",source5GTFS, mode = "wb")

#### Visualisation de l'emprise du GTFS d'entree ####

# Lecture du GTFS

gtfs <- gtfs_read(source5GTFS)

#### Decoupage et visualisation du GTFS decoupe ####

gtfs2 <- gtfs_clip(gtfs,Zone)

# Creation de la carte basee sur les arrets

carte_arrets_entree = leaflet() %>%

# Ajout du fond de plan

addProviderTiles("CartoDB.Voyager") %>%

# Ajout des arrets

addCircleMarkers(lng= ~as.numeric(stop_lon), lat= ~as.numeric(stop_lat), data = gtfs2$stops,

stroke = FALSE, fillOpacity = 0.5, radius =1 )

# Affichage de la carte

carte_arrets_entree

#### Suppression des trips avec moins de deux arrets ####

trips <- gtfs2$trips

stop_times <- gtfs2$stop_times

# Jointure entre trips et stop_times

trips2 <- right_join(trips,stop_times) %>% select(route_id, service_id, trip_id, trip_short_name, direction_id, stop_id)

# Compte du nombre d'arret par trips et selection des trips avec plus de 1 arrets

compte <- trips2 %>% group_by(trip_id) %>% summarise(nb = n())

compte <- compte %>% filter(nb>1)

# Jointures attributaires entre les deux tables et la table compte

trips2 <- right_join(trips,compte) %>% select(route_id, service_id, trip_id, trip_short_name, direction_id)

stop_times2 <- right_join(stop_times,compte) %>% select(trip_id, arrival_time, departure_time, stop_id, stop_sequence, pickup_type, drop_off_type)

# Remplacement dans le GTFS par couches corrigees

gtfs2$trips <- trips2

gtfs2$stop_times <- stop_times2

#### Nettoyage et ecriture du GTFS ####

gtfs_clean(gtfs2)

gtfs_force_valid(gtfs2)

# Ecriture du nouveau GTFS

gtfs_write(gtfs2, sortie, name ="belgique_gtfs")

#### Suppression des fichiers crees ####

rm(carte_arrets_entree)

rm(compte)

rm(gtfs)

rm(gtfs2)

rm(stop_times)

rm(stop_times2)

rm(stops)

rm(stops2)

rm(stops3)

rm(transfers)

rm(transfers2)

rm(trips)

rm(trips2)

# Script de création d'une couche de lignes à partir d'un gtfs

library(UK2GTFS)

library("sf")

# Source du GTFS d'entree

source <- "C:/Users/boucherec/Documents/Stage/OTP/otp-data/transfrontalier/suisse_gtfs.zip"

# Lecture du GTFS

gtfs <- gtfs_read(source)

# Creation de la fonction de traitements

gtfs_trips_sf <- function(gtfs){

stop_times <- gtfs$stop_times

stops <- gtfs$stops

stops <- stops[,c("stop_id","stop_lon","stop_lat")]

if(class(stops$stop_lon) != "numeric"){

stops$stop_lon <- as.numeric(stops$stop_lon)

}

if(class(stops$stop_lat) != "numeric"){

stops$stop_lat <- as.numeric(stops$stop_lat)

}

if(anyNA(stops$stop_lon) | anyNA(stops$stop_lat)){

message("Stops with missing lat/lng removed")

stops <- stops[!is.na(stops$stop_lon),]

stops <- stops[!is.na(stops$stop_lat),]

}

df2line <- function(x){

geom <- as.matrix(x[,c("stop_lon","stop_lat")])

geom <- sf::st_linestring(geom)

res <- data.frame(trip_id = x$trip_id[1],

geometry = sf::st_sfc(list(geom)))

res <- sf::st_as_sf(res, crs = 4326)

return(res)

}

stop_times <- dplyr::left_join(stop_times, stops, by = "stop_id")

stop_times <- dplyr::group_by(stop_times, trip_id)

stop_times <- dplyr::group_split(stop_times)

stop_times <- lapply(stop_times, df2line)

stop_times <- dplyr::bind_rows(stop_times)

return(stop_times)

}

# Creation des lignes

lignes <- gtfs_trips_sf(gtfs)

# Ecriture du shapefile des lignes

st_write(lignes, "C:/Users/boucherec/Documents/Stage/Travail/Transfrontalier/Carto/lignes/lignes_suisse.shp")

# Script d'ajout des lignes aux arrêts d'un GTFS

library(UK2GTFS)

library("tidyverse")

source <- "C:/Users/boucherec/Documents/Stage/OTP/otp-data/transfrontalier/allemagne_local_transit.zip"

gtfs <- gtfs_read(source)

routes <- gtfs$routes

stop_times <- gtfs$stop_times

stops <- gtfs$stops

trips <- gtfs$trips

stops2 <- left_join(stop_times,stops) %>% select(trip_id, stop_id, stop_name, stop_lat, stop_lon)

stops3 <- left_join(trips,stops2) %>% select(route_id, trip_id, stop_id, stop_name, stop_lat, stop_lon)

stops4 <- left_join(routes,stops3) %>% select(route_long_name, route_id, trip_id, stop_id, stop_name, stop_lat, stop_lon)

stops5 <- stops4 %>% select(route_long_name, stop_id, stop_lat, stop_lon) %>% unique()

write.csv(stops5, "C:/Users/boucherec/Documents/Stage/Travail/Transfrontalier/Carto/arrets/arretslt.csv")

"""

Modeleur graphique QGIS exporté en Python

Nom : Analyse des anomalies PDM - LDM

Version QGIS : 3.1607

"""

from qgis.core import QgsProcessing

from qgis.core import QgsProcessingAlgorithm

from qgis.core import QgsProcessingMultiStepFeedback

from qgis.core import QgsProcessingParameterVectorLayer

from qgis.core import QgsProcessingParameterNumber

from qgis.core import QgsProcessingParameterFile

from qgis.core import QgsProcessingParameterFeatureSink

from qgis.core import QgsCoordinateReferenceSystem

import processing

class AnalyseExportProd(QgsProcessingAlgorithm):

def initAlgorithm(self, config=None):

self.addParameter(QgsProcessingParameterVectorLayer('Lieuxdemobilit', 'Lieux de mobilité', types=[QgsProcessing.TypeVectorPoint], defaultValue=None))

self.addParameter(QgsProcessingParameterVectorLayer('Pointsdemobilit', 'Points de mobilité', types=[QgsProcessing.TypeVectorPoint], defaultValue=None))

self.addParameter(QgsProcessingParameterNumber('RecherchedesLDMproches', 'Recherche des LDM proches (en mètres)', type=QgsProcessingParameterNumber.Integer, minValue=10, maxValue=500, defaultValue=50))

self.addParameter(QgsProcessingParameterNumber('RecherchedesPDMloignsdesLDMenmtres', 'Recherche des PDM éloignés des LDM (en mètres)', type=QgsProcessingParameterNumber.Integer, minValue=10, maxValue=500, defaultValue=150))

self.addParameter(QgsProcessingParameterFile('StyleZonesLDM', 'Style "Zones-LDM"', behavior=QgsProcessingParameterFile.File, fileFilter='Tous les fichiers (*.*)', defaultValue=None))

self.addParameter(QgsProcessingParameterFile('StyleZonesLDM (2)', 'Style "Anomalies"', behavior=QgsProcessingParameterFile.File, fileFilter='Tous les fichiers (*.*)', defaultValue='C:\\Users\\boucherec\\Documents\\Stage\\Travail\\PEM\\nancy\\styles\\Anomalies.qml'))

self.addParameter(QgsProcessingParameterFeatureSink('Zones_ldm', 'Zones_LDM', type=QgsProcessing.TypeVectorAnyGeometry, createByDefault=True, defaultValue=None))

self.addParameter(QgsProcessingParameterFeatureSink('Anomalies', 'Anomalies', type=QgsProcessing.TypeVectorAnyGeometry, createByDefault=True, defaultValue=None))

def processAlgorithm(self, parameters, context, model_feedback):

# Use a multi-step feedback, so that individual child algorithm progress reports are adjusted for the

# overall progress through the model

feedback = QgsProcessingMultiStepFeedback(46, model_feedback)

results = {}

outputs = {}

# PDM-2154

alg_params = {

'INPUT': parameters['Pointsdemobilit'],

'OPERATION': '',

'TARGET_CRS': QgsCoordinateReferenceSystem('EPSG:2154'),

'OUTPUT': QgsProcessing.TEMPORARY_OUTPUT

}

outputs['Pdm2154'] = processing.run('native:reprojectlayer', alg_params, context=context, feedback=feedback, is_child_algorithm=True)

feedback.setCurrentStep(1)

if feedback.isCanceled():

return {}

# Points vers lignes

alg_params = {

'CLOSE_PATH': True,

'DATE_FORMAT': '',

'GROUP_FIELD': 'LDMCodeRef',

'INPUT': outputs['Pdm2154']['OUTPUT'],

'ORDER_FIELD': 'PDMCode',

'OUTPUT': QgsProcessing.TEMPORARY_OUTPUT

}

outputs['PointsVersLignes'] = processing.run('qgis:pointstopath', alg_params, context=context, feedback=feedback, is_child_algorithm=True)

feedback.setCurrentStep(2)

if feedback.isCanceled():

return {}

# LDM-2154

alg_params = {

'INPUT': parameters['Lieuxdemobilit'],

'OPERATION': '',

'TARGET_CRS': QgsCoordinateReferenceSystem('EPSG:2154'),

'OUTPUT': QgsProcessing.TEMPORARY_OUTPUT

}

outputs['Ldm2154'] = processing.run('native:reprojectlayer', alg_params, context=context, feedback=feedback, is_child_algorithm=True)

feedback.setCurrentStep(3)

if feedback.isCanceled():

return {}

# Matrice des distances

alg_params = {

'INPUT': outputs['Ldm2154']['OUTPUT'],

'INPUT_FIELD': 'LDMCode',

'MATRIX_TYPE': 0,

'NEAREST_POINTS': 1,

'TARGET': outputs['Ldm2154']['OUTPUT'],

'TARGET_FIELD': 'LDMCode',

'OUTPUT': QgsProcessing.TEMPORARY_OUTPUT

}

outputs['MatriceDesDistances'] = processing.run('qgis:distancematrix', alg_params, context=context, feedback=feedback, is_child_algorithm=True)

feedback.setCurrentStep(4)

if feedback.isCanceled():

return {}

# Polygones de Voronoï

alg_params = {

'BUFFER': 5,

'INPUT': outputs['Ldm2154']['OUTPUT'],

'OUTPUT': QgsProcessing.TEMPORARY_OUTPUT

}

outputs['PolygonesDeVorono'] = processing.run('qgis:voronoipolygons', alg_params, context=context, feedback=feedback, is_child_algorithm=True)

feedback.setCurrentStep(5)

if feedback.isCanceled():

return {}

# Refactoriser les champs

alg_params = {

'FIELDS_MAPPING': [{'expression': '\"LDMCodeRef\"','length': 0,'name': 'LDMCodeRef','precision': 0,'type': 10},{'expression': '\"PDMCode\"','length': 0,'name': 'PDMCode','precision': 0,'type': 10},{'expression': '\"Name\"','length': 0,'name': 'Name','precision': 0,'type': 10},{'expression': '\"Type\"','length': 0,'name': 'Type','precision': 0,'type': 10},{'expression': '\"Latitude\"','length': 0,'name': 'Latitude','precision': 0,'type': 10},{'expression': '\"Longitude\"','length': 0,'name': 'Longitude','precision': 0,'type': 10},{'expression': '\"LocalityCode\"','length': 0,'name': 'LocalityCode','precision': 0,'type': 10},{'expression': '\"LocalityName\"','length': 0,'name': 'LocalityName','precision': 0,'type': 10},{'expression': '\"CountryCode\"','length': 0,'name': 'CountryCode','precision': 0,'type': 10},{'expression': '\"WheelchairAccess\"','length': 0,'name': 'WheelchairAccess','precision': 0,'type': 10}],

'INPUT': outputs['Pdm2154']['OUTPUT'],

'OUTPUT': QgsProcessing.TEMPORARY_OUTPUT

}

outputs['RefactoriserLesChamps'] = processing.run('native:refactorfields', alg_params, context=context, feedback=feedback, is_child_algorithm=True)

feedback.setCurrentStep(6)

if feedback.isCanceled():

return {}

# Rejoindre par des lignes (lignes de hub)

alg_params = {

'ANTIMERIDIAN_SPLIT': False,

'GEODESIC': False,

'GEODESIC_DISTANCE': 1000,

'HUBS': outputs['Ldm2154']['OUTPUT'],

'HUB_FIELD': 'LDMCode',

'HUB_FIELDS': ['LDMCode'],

'SPOKES': outputs['RefactoriserLesChamps']['OUTPUT'],

'SPOKE_FIELD': 'LDMCodeRef',

'SPOKE_FIELDS': ['PDMCode'],

'OUTPUT': QgsProcessing.TEMPORARY_OUTPUT

}

outputs['RejoindreParDesLignesLignesDeHub'] = processing.run('native:hublines', alg_params, context=context, feedback=feedback, is_child_algorithm=True)

feedback.setCurrentStep(7)

if feedback.isCanceled():

return {}

# Réparer les géométries

alg_params = {

'INPUT': outputs['PointsVersLignes']['OUTPUT'],

'OUTPUT': QgsProcessing.TEMPORARY_OUTPUT

}

outputs['RparerLesGomtries'] = processing.run('native:fixgeometries', alg_params, context=context, feedback=feedback, is_child_algorithm=True)

feedback.setCurrentStep(8)

if feedback.isCanceled():

return {}

# Refactoriser les champs

alg_params = {

'FIELDS_MAPPING': [{'expression': '\"LDMCode\"','length': 0,'name': 'LDMCode','precision': 0,'type': 10},{'expression': '\"PDMCode\"','length': 0,'name': 'PDMCode','precision': 0,'type': 10},{'expression': '$length','length': 0,'name': 'long','precision': 0,'type': 4}],

'INPUT': outputs['RejoindreParDesLignesLignesDeHub']['OUTPUT'],

'OUTPUT': QgsProcessing.TEMPORARY_OUTPUT

}

outputs['RefactoriserLesChamps'] = processing.run('native:refactorfields', alg_params, context=context, feedback=feedback, is_child_algorithm=True)

feedback.setCurrentStep(9)

if feedback.isCanceled():

return {}

# Joindre les attributs par localisation

alg_params = {

'DISCARD_NONMATCHING': False,

'INPUT': outputs['Pdm2154']['OUTPUT'],

'JOIN': outputs['PolygonesDeVorono']['OUTPUT'],

'JOIN_FIELDS': ['LDMCode'],

'METHOD': 0,

'PREDICATE': [0],

'PREFIX': '',

'OUTPUT': QgsProcessing.TEMPORARY_OUTPUT

}

outputs['JoindreLesAttributsParLocalisation'] = processing.run('native:joinattributesbylocation', alg_params, context=context, feedback=feedback, is_child_algorithm=True)

feedback.setCurrentStep(10)

if feedback.isCanceled():

return {}

# Refactoriser les champs

alg_params = {

'FIELDS_MAPPING': [{'expression': '\"LDMCode\"','length': 0,'name': 'LDMCode','precision': 0,'type': 10},{'expression': '\"Name\"','length': 0,'name': 'Name','precision': 0,'type': 10},{'expression': '\"Type\"','length': 0,'name': 'Type','precision': 0,'type': 10},{'expression': '\"Latitude\"','length': 0,'name': 'Latitude','precision': 0,'type': 10},{'expression': '\"Longitude\"','length': 0,'name': 'Longitude','precision': 0,'type': 10},{'expression': '\"LocalityCode\"','length': 0,'name': 'LocalityCode','precision': 0,'type': 10},{'expression': '\"LocalityName\"','length': 0,'name': 'LocalityName','precision': 0,'type': 10},{'expression': '\"CountryCode\"','length': 0,'name': 'CountryCode','precision': 0,'type': 10},{'expression': '$x','length': 20,'name': 'long','precision': 0,'type': 6},{'expression': '$y','length': 20,'name': 'lat','precision': 0,'type': 6}],

'INPUT': outputs['Ldm2154']['OUTPUT'],

'OUTPUT': QgsProcessing.TEMPORARY_OUTPUT

}

outputs['RefactoriserLesChamps'] = processing.run('native:refactorfields', alg_params, context=context, feedback=feedback, is_child_algorithm=True)

feedback.setCurrentStep(11)

if feedback.isCanceled():

return {}

# Extraire par attribut

alg_params = {

'FIELD': 'long',

'INPUT': outputs['RefactoriserLesChamps']['OUTPUT'],

'OPERATOR': 2,

'VALUE': parameters['RecherchedesPDMloignsdesLDMenmtres'],

'OUTPUT': QgsProcessing.TEMPORARY_OUTPUT

}

outputs['ExtraireParAttribut'] = processing.run('native:extractbyattribute', alg_params, context=context, feedback=feedback, is_child_algorithm=True)

feedback.setCurrentStep(12)

if feedback.isCanceled():

return {}

# Extraire par attribut

alg_params = {

'FIELD': 'long',

'INPUT': outputs['RefactoriserLesChamps']['OUTPUT'],

'OPERATOR': 0,

'VALUE': '0',

'OUTPUT': QgsProcessing.TEMPORARY_OUTPUT

}

outputs['ExtraireParAttribut'] = processing.run('native:extractbyattribute', alg_params, context=context, feedback=feedback, is_child_algorithm=True)

feedback.setCurrentStep(13)

if feedback.isCanceled():

return {}

# Extraire par attribut

alg_params = {

'FIELD': 'Distance',

'INPUT': outputs['MatriceDesDistances']['OUTPUT'],

'OPERATOR': 4,

'VALUE': parameters['RecherchedesLDMproches'],

'OUTPUT': QgsProcessing.TEMPORARY_OUTPUT

}

outputs['ExtraireParAttribut'] = processing.run('native:extractbyattribute', alg_params, context=context, feedback=feedback, is_child_algorithm=True)

feedback.setCurrentStep(14)

if feedback.isCanceled():

return {}

# Tampon 10m

alg_params = {

'DISSOLVE': False,

'DISTANCE': 10,

'END_CAP_STYLE': 0,

'INPUT': outputs['RparerLesGomtries']['OUTPUT'],

'JOIN_STYLE': 0,

'MITER_LIMIT': 2,

'SEGMENTS': 5,

'OUTPUT': QgsProcessing.TEMPORARY_OUTPUT

}

outputs['Tampon10m'] = processing.run('native:buffer', alg_params, context=context, feedback=feedback, is_child_algorithm=True)

feedback.setCurrentStep(15)

if feedback.isCanceled():

return {}

# Extraire par localisation

alg_params = {

'INPUT': outputs['Pdm2154']['OUTPUT'],

'INTERSECT': outputs['ExtraireParAttribut']['OUTPUT'],

'PREDICATE': [0],

'OUTPUT': QgsProcessing.TEMPORARY_OUTPUT

}

outputs['ExtraireParLocalisation'] = processing.run('native:extractbylocation', alg_params, context=context, feedback=feedback, is_child_algorithm=True)

feedback.setCurrentStep(16)

if feedback.isCanceled():

return {}

# Refactoriser les champs

alg_params = {

'FIELDS_MAPPING': [{'expression': '\"LDMCodeRef\"','length': 0,'name': 'LDMCodeRef','precision': 0,'type': 10},{'expression': '\"PDMCode\"','length': 0,'name': 'PDMCode','precision': 0,'type': 10},{'expression': '\"Name\"','length': 0,'name': 'Name','precision': 0,'type': 10},{'expression': '\"Type\"','length': 0,'name': 'Type','precision': 0,'type': 10},{'expression': '\"Latitude\"','length': 0,'name': 'Latitude','precision': 0,'type': 10},{'expression': '\"Longitude\"','length': 0,'name': 'Longitude','precision': 0,'type': 10},{'expression': '\"LocalityCode\"','length': 0,'name': 'LocalityCode','precision': 0,'type': 10},{'expression': '\"LocalityName\"','length': 0,'name': 'LocalityName','precision': 0,'type': 10},{'expression': '\"CountryCode\"','length': 0,'name': 'CountryCode','precision': 0,'type': 10},{'expression': '\"WheelchairAccess\"','length': 0,'name': 'WheelchairAccess','precision': 0,'type': 10},{'expression': '\"LDMCode\"','length': 0,'name': 'LDMCode','precision': 0,'type': 10},{'expression': 'LDMCodeRef=LDMCode','length': 0,'name': 'egal','precision': 0,'type': 0}],

'INPUT': outputs['JoindreLesAttributsParLocalisation']['OUTPUT'],

'OUTPUT': QgsProcessing.TEMPORARY_OUTPUT

}

outputs['RefactoriserLesChamps'] = processing.run('native:refactorfields', alg_params, context=context, feedback=feedback, is_child_algorithm=True)

feedback.setCurrentStep(17)

if feedback.isCanceled():

return {}

# Supprimer les doublons par attribut

alg_params = {

'FIELDS': ['long','lat'],

'INPUT': outputs['RefactoriserLesChamps']['OUTPUT'],

'DUPLICATES': QgsProcessing.TEMPORARY_OUTPUT,

'OUTPUT': QgsProcessing.TEMPORARY_OUTPUT

}

outputs['SupprimerLesDoublonsParAttribut'] = processing.run('native:removeduplicatesbyattribute', alg_params, context=context, feedback=feedback, is_child_algorithm=True)

feedback.setCurrentStep(18)

if feedback.isCanceled():

return {}

# Refactoriser les champs 2

alg_params = {

'FIELDS_MAPPING': [{'expression': '\"LDMCodeRef\"','length': 0,'name': 'LDMCodeRef','precision': 0,'type': 10},{'expression': '\"PDMCode\"','length': 0,'name': 'PDMCode','precision': 0,'type': 10},{'expression': '\"Name\"','length': 0,'name': 'Name','precision': 0,'type': 10},{'expression': '\"Type\"','length': 0,'name': 'Type','precision': 0,'type': 10},{'expression': '\"Latitude\"','length': 0,'name': 'Latitude','precision': 0,'type': 10},{'expression': '\"Longitude\"','length': 0,'name': 'Longitude','precision': 0,'type': 10},{'expression': '\"LocalityCode\"','length': 0,'name': 'LocalityCode','precision': 0,'type': 10},{'expression': '\"LocalityName\"','length': 0,'name': 'LocalityName','precision': 0,'type': 10},{'expression': '\"CountryCode\"','length': 0,'name': 'CountryCode','precision': 0,'type': 10},{'expression': '\"WheelchairAccess\"','length': 0,'name': 'WheelchairAccess','precision': 0,'type': 10},{'expression': '\'PDM loin de son LDM\'','length': 0,'name': 'type','precision': 0,'type': 10}],

'INPUT': outputs['ExtraireParLocalisation']['OUTPUT'],

'OUTPUT': QgsProcessing.TEMPORARY_OUTPUT

}

outputs['RefactoriserLesChamps2'] = processing.run('native:refactorfields', alg_params, context=context, feedback=feedback, is_child_algorithm=True)

feedback.setCurrentStep(19)

if feedback.isCanceled():

return {}

# Refactoriser les champs 5

alg_params = {

'FIELDS_MAPPING': [{'expression': '\"LDMCode\"','length': 0,'name': 'LDMCode','precision': 0,'type': 10},{'expression': '\"Name\"','length': 0,'name': 'Name','precision': 0,'type': 10},{'expression': '\"Type\"','length': 0,'name': 'Type','precision': 0,'type': 10},{'expression': '\"Latitude\"','length': 0,'name': 'Latitude','precision': 0,'type': 10},{'expression': '\"Longitude\"','length': 0,'name': 'Longitude','precision': 0,'type': 10},{'expression': '\"LocalityCode\"','length': 0,'name': 'LocalityCode','precision': 0,'type': 10},{'expression': '\"LocalityName\"','length': 0,'name': 'LocalityName','precision': 0,'type': 10},{'expression': '\"CountryCode\"','length': 0,'name': 'CountryCode','precision': 0,'type': 10},{'expression': '\"long\"','length': -1,'name': 'long','precision': 0,'type': 6},{'expression': '\"lat\"','length': -1,'name': 'lat','precision': 0,'type': 6},{'expression': '\'Superposition de deux LDM\'','length': 0,'name': 'type','precision': 0,'type': 10}],

'INPUT': outputs['SupprimerLesDoublonsParAttribut']['DUPLICATES'],

'OUTPUT': QgsProcessing.TEMPORARY_OUTPUT

}

outputs['RefactoriserLesChamps5'] = processing.run('native:refactorfields', alg_params, context=context, feedback=feedback, is_child_algorithm=True)

feedback.setCurrentStep(20)

if feedback.isCanceled():

return {}

# Extraire par attribut

# Cette sélection attributaire permet de supprimer les doublons avec les LDM qui se superposent.

alg_params = {

'FIELD': 'Distance',

'INPUT': outputs['ExtraireParAttribut']['OUTPUT'],

'OPERATOR': 2,

'VALUE': '0',

'OUTPUT': QgsProcessing.TEMPORARY_OUTPUT

}

outputs['ExtraireParAttribut'] = processing.run('native:extractbyattribute', alg_params, context=context, feedback=feedback, is_child_algorithm=True)

feedback.setCurrentStep(21)

if feedback.isCanceled():

return {}

# Extraire par attribut

alg_params = {

'FIELD': 'egal',

'INPUT': outputs['RefactoriserLesChamps']['OUTPUT'],

'OPERATOR': 0,

'VALUE': '0',

'OUTPUT': QgsProcessing.TEMPORARY_OUTPUT

}

outputs['ExtraireParAttribut'] = processing.run('native:extractbyattribute', alg_params, context=context, feedback=feedback, is_child_algorithm=True)

feedback.setCurrentStep(22)

if feedback.isCanceled():

return {}

# Tampon LDM seuls

alg_params = {

'DISSOLVE': False,

'DISTANCE': 10,

'END_CAP_STYLE': 0,

'INPUT': outputs['ExtraireParAttribut']['OUTPUT'],

'JOIN_STYLE': 0,

'MITER_LIMIT': 2,

'SEGMENTS': 5,

'OUTPUT': QgsProcessing.TEMPORARY_OUTPUT

}

outputs['TamponLdmSeuls'] = processing.run('native:buffer', alg_params, context=context, feedback=feedback, is_child_algorithm=True)

feedback.setCurrentStep(23)

if feedback.isCanceled():

return {}

# Joindre les attributs par valeur de champ

alg_params = {

'DISCARD_NONMATCHING': False,

'FIELD': 'LDMCodeRef',

'FIELDS_TO_COPY': ['LDMCode'],

'FIELD_2': 'LDMCode',

'INPUT': outputs['ExtraireParAttribut']['OUTPUT'],

'INPUT_2': outputs['RefactoriserLesChamps5']['OUTPUT'],

'METHOD': 1,

'PREFIX': '',

'OUTPUT': QgsProcessing.TEMPORARY_OUTPUT

}

outputs['JoindreLesAttributsParValeurDeChamp'] = processing.run('native:joinattributestable', alg_params, context=context, feedback=feedback, is_child_algorithm=True)

feedback.setCurrentStep(24)

if feedback.isCanceled():

return {}

# Enveloppe convexe

alg_params = {

'INPUT': outputs['Tampon10m']['OUTPUT'],