From 418ad3fb58ef18e5c39d22d1cdc3b88c64429914 Mon Sep 17 00:00:00 2001
From: Tomas Vajda <tomas.vajda@vecturagames.com>
Date: Mon, 30 Sep 2019 12:25:50 +0200
Subject: [PATCH 1/3] Add chimney to pois

---
 yaml/pois.yaml | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/yaml/pois.yaml b/yaml/pois.yaml
index 3a65dab42..15052aa59 100644
--- a/yaml/pois.yaml
+++ b/yaml/pois.yaml
@@ -443,7 +443,7 @@ global:
         - landuse: quarry
         - leisure: [ dog_park, firepit, fishing, pitch, playground, slipway, swimming_area ]
         - lock: yes
-        - man_made: [ adit, communications_tower, crane, mast, mineshaft, obelisk, observatory,
+        - man_made: [ adit, communications_tower, chimney, crane, mast, mineshaft, obelisk, observatory,
             offshore_platform, petroleum_well, power_wind, telescope, water_tower,
             water_well, watermill, windmill ]
         - military: bunker
@@ -2640,6 +2640,11 @@ filters:
                 - shiploader
                 - tower_crane
             then: {col: "crane:type"}
+  - filter: {man_made: chimney}
+    min_zoom: 14
+    output:
+      <<: *output_properties
+      kind: chimney
   - filter: {leisure: water_park}
     min_zoom: { clamp: { min: 13, max: 15, value: { sum: [ { col: zoom }, 2.34 ] } } }
     output:

From 574a9f29b57011093cfe1eee7da97e088887649e Mon Sep 17 00:00:00 2001
From: Vectura Games Maps <maps@vecturagames.com>
Date: Tue, 1 Oct 2019 12:48:57 +0200
Subject: [PATCH 2/3] Add chimney to docs

---
 docs/layers.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docs/layers.md b/docs/layers.md
index 0059e1118..f7ed1e891 100644
--- a/docs/layers.md
+++ b/docs/layers.md
@@ -966,6 +966,7 @@ To resolve inconsistency in data tagging in OpenStreetMap we normalize several o
 * `chemist` - A shop selling household chemicals, often including soaps, toothpaste and cosmetics.
 * `childcare`
 * `childrens_centre`
+* `chimney`
 * `chiropractor`
 * `cinema`
 * `clinic` with `kind_detail` property.

From a6fc985900b7de5a677bfbe9be5947483c932ae0 Mon Sep 17 00:00:00 2001
From: Tomas Vajda <tomas.vajda@vecturagames.com>
Date: Tue, 1 Oct 2019 22:46:32 +0200
Subject: [PATCH 3/3] Changed chimney min_zoom as in obelisk

---
 yaml/pois.yaml | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

diff --git a/yaml/pois.yaml b/yaml/pois.yaml
index 15052aa59..c6e1b0903 100644
--- a/yaml/pois.yaml
+++ b/yaml/pois.yaml
@@ -1255,7 +1255,20 @@ filters:
         case:
           - when: {historic: [monument, memorial]}
             then: {col: historic}
-
+  - filter: {man_made: chimney}
+    min_zoom:
+      lookup:
+        key: { call: { func: mz_to_float_meters, args: [ { col: height } ] } }
+        op: '>='
+        table:
+          - [ 14, 20 ]  # z14 if height >= 20m
+          - [ 15, 10 ]  # z15 if height >= 10m
+        default: 16
+    output:
+      <<: *output_properties
+      kind: chimney
+      tier: 5
+            
   ############################################################
   # TIER 6
   ############################################################
@@ -2640,11 +2653,6 @@ filters:
                 - shiploader
                 - tower_crane
             then: {col: "crane:type"}
-  - filter: {man_made: chimney}
-    min_zoom: 14
-    output:
-      <<: *output_properties
-      kind: chimney
   - filter: {leisure: water_park}
     min_zoom: { clamp: { min: 13, max: 15, value: { sum: [ { col: zoom }, 2.34 ] } } }
     output: