Filter: alle / Nahverkehr / Fernverkehr

Einteilung nach Gattung (Schweiz: route_desc, Deutschland: Präfix der
Linie): ICE, IC, EC, ECE, EN, NJ, RJ(X), TGV, IR, … = Fernverkehr.
Auswahl bleibt im Browser gespeichert.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01X48pE4bzjHej8w9HyZXCjb

trainpulse/feed.py

@@ -5,6 +5,7 @@ import datetime as dt
 import json
 import math
 import mmap
+import re
 from array import array
 from bisect import bisect_right
 from pathlib import Path
@@ -57,6 +58,17 @@ def travelled(length: float, duration: float, t: float) -> float:
     return 0.5 * a * ta * ta + vmax * (t - ta)
 
 
+# Gattungen des Fernverkehrs; alles andere (RE, RB, S, R, TER, …) gilt als Nahverkehr
+LONG_DISTANCE = {"ICE", "IC", "ICN", "EC", "ECE", "ECM", "EN", "NJ", "RJ", "RJX", "TGV", "THA", "EST", "FLX",
+                 "IR", "PE", "D"}
+
+
+def long_distance(cat: str, line: str) -> bool:
+    # Schweiz: Gattung in route_desc; gtfs.de: nur in der Linie ("ICE 75", "IC 3")
+    m = re.match(r"[A-Za-z]+", cat or line or "")
+    return bool(m) and m.group(0).upper() in LONG_DISTANCE
+
+
 class Feed:
     def __init__(self, path: Path, today: dt.date | None = None):
         self.path = path
@@ -79,6 +91,8 @@ class Feed:
                 "cat": r[h["route_desc"]] if "route_desc" in h else "",
                 "agency": agencies.get(r[h["agency_id"]], "") if "agency_id" in h else "",
             }
+            route = self.routes[r[h["route_id"]]]
+            route["fv"] = long_distance(route["cat"], route["line"])
 
         self.trip_index, self.trip_ids, self.trip_route, self.trip_service = {}, [], [], []
         self.trip_headsign, self.trip_number, self.trip_shape = [], [], []
@@ -274,7 +288,7 @@ class Feed:
                     "type": "Feature",
                     "geometry": {"type": "Point", "coordinates": [lon, lat]},
                     "properties": {
-                        "id": f"{dstr}/{ti}", "line": route["line"], "cat": route["cat"],
+                        "id": f"{dstr}/{ti}", "line": route["line"], "cat": route["cat"], "fv": route["fv"],
                         "nr": self.trip_number[ti], "to": self.trip_headsign[ti],
                         "delay": delay if r else None, "next": self.stop_name[self.st_stop[o + i]],
                         "heading": heading,