From 251be4a6990d0f6fc06e5744c1d9cea191e0960b Mon Sep 17 00:00:00 2001
From: Paul Bienkowski <pb@opatut.de>
Date: Sat, 1 Apr 2023 20:19:59 +0200
Subject: [PATCH] Fix bearings on road info, and German words for those

---
 api/obs/api/routes/mapdetails.py  |  6 ++++--
 frontend/src/translations/de.yaml | 16 ++++++++--------
 2 files changed, 12 insertions(+), 10 deletions(-)

diff --git a/api/obs/api/routes/mapdetails.py b/api/obs/api/routes/mapdetails.py
index 40c6edc..ef82c74 100644
--- a/api/obs/api/routes/mapdetails.py
+++ b/api/obs/api/routes/mapdetails.py
@@ -18,14 +18,16 @@ round_speed = partial(round_to, multiples=0.1)
 
 log = logging.getLogger(__name__)
 
-def get_bearing(a, b):
+
+def get_bearing(b, a):
     # longitude, latitude
     dL = b[0] - a[0]
     X = numpy.cos(b[1]) * numpy.sin(dL)
     Y = numpy.cos(a[1]) * numpy.sin(b[1]) - numpy.sin(a[1]) * numpy.cos(
         b[1]
     ) * numpy.cos(dL)
-    return numpy.arctan2(X, Y)
+    return numpy.arctan2(Y, X) + 0.5 * math.pi
+
 
 # Bins for histogram on overtaker distances. 0, 0.25, ... 2.25, infinity
 DISTANCE_BINS = numpy.arange(0, 2.5, 0.25).tolist() + [float('inf')]
diff --git a/frontend/src/translations/de.yaml b/frontend/src/translations/de.yaml
index aa0f57c..84149a4 100644
--- a/frontend/src/translations/de.yaml
+++ b/frontend/src/translations/de.yaml
@@ -204,14 +204,14 @@ MapPage:
 
     cardinalDirections:
       unknown: unbekannt
-      north: nordwärts
-      northEast: nordostwärts
-      east: ostwärts
-      southEast: südostwärts
-      south: südwärts
-      southWest: südwestwärts
-      west: westwärts
-      northWest: nordwestwärts
+      north: Norden
+      northEast: Nordosten
+      east: Osten
+      southEast: Südosten
+      south: Süden
+      southWest: Südwesten
+      west: Westen
+      northWest: Nordwesten
 
   regionInfo:
     unnamedRegion: Unbenannte Region