From 1f129c418490e58f1c3324ce922bf5f436649879 Mon Sep 17 00:00:00 2001
From: jirik <jirik@users.noreply.github.com>
Date: Wed, 8 Nov 2017 16:57:28 +0100
Subject: [PATCH] Add subclass of paths in transportation

---
 layers/transportation/layer.sql           |  3 +++
 layers/transportation/transportation.yaml | 14 ++++++++++++--
 2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/layers/transportation/layer.sql b/layers/transportation/layer.sql
index bbec2b70..154d0753 100644
--- a/layers/transportation/layer.sql
+++ b/layers/transportation/layer.sql
@@ -18,6 +18,9 @@ ramp int, oneway int, brunnel TEXT, service TEXT) AS $$
         END AS class,
         CASE
             WHEN railway IS NOT NULL THEN railway
+            WHEN (highway IS NOT NULL OR public_transport IS NOT NULL)
+                AND highway_class(highway, public_transport) = 'path'
+                THEN COALESCE(NULLIF(public_transport, ''), highway)
             ELSE NULL
         END AS subclass,
         -- All links are considered as ramps as well
diff --git a/layers/transportation/transportation.yaml b/layers/transportation/transportation.yaml
index cfc9386d..f41dd65d 100644
--- a/layers/transportation/transportation.yaml
+++ b/layers/transportation/transportation.yaml
@@ -38,9 +38,11 @@ layer:
       - ferry
     subclass:
       description: |
-          Distinguish more specific railway classes:
+          Distinguish more specific classes of railway and path:
           Subclass is value of the
-          [`railway`](http://wiki.openstreetmap.org/wiki/Key:railway) tag.
+          [`railway`](http://wiki.openstreetmap.org/wiki/Key:railway),
+          [`highway`](http://wiki.openstreetmap.org/wiki/Key:highway) (for paths), or
+          [`public_transport`](http://wiki.openstreetmap.org/wiki/Key:public_transport) (for platforms) tag.
       values:
       - rail
       - narrow_gauge
@@ -50,6 +52,14 @@ layer:
       - light_rail
       - monorail
       - tram
+      - pedestrian
+      - path
+      - footway
+      - cycleway
+      - steps
+      - bridleway
+      - corridor
+      - platform
     brunnel:
       description: |
           Mark whether way is a tunnel or bridge.