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Implement private road tagging (#1174)

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Fixes #1066 

This PR adds a new field `access` in the transportation layer, which will be set to `no` if the `access` tag is either `no` or `private`.  While `private` is the more popular value by a 17:1 ratio, I went with `no` because it's smaller in the tiles.  In addition, the text `no` opens up the future possibility of other text-based access values such as `destination`, `customers`, or `permit`.

The screenshot below shows an example of access tagging for a road on a military base:

![image](https://user-images.githubusercontent.com/3254090/129431491-9acbaeca-bf18-4384-8177-2c198834865c.png)
This commit is contained in:
Brian Sperlongano
2021-08-14 01:04:17 -04:00
committed by GitHub
parent fdb9ae58cd
commit 45d825e212
4 changed files with 44 additions and 2 deletions
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23
layers/transportation/transportation.sql
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@@ -20,6 +20,7 @@ CREATE OR REPLACE FUNCTION layer_transportation(bbox geometry, zoom_level int)
oneway int,
brunnel text,
service text,
access text,
layer int,
level int,
indoor int,
@@ -57,6 +58,7 @@ SELECT osm_id,
is_oneway::int AS oneway,
brunnel(is_bridge, is_tunnel, is_ford) AS brunnel,
NULLIF(service, '') AS service,
access,
NULLIF(layer, 0) AS layer,
"level",
CASE WHEN indoor = TRUE THEN 1 END AS indoor,
@@ -77,6 +79,7 @@ FROM (
NULL AS shipway,
NULL AS public_transport,
NULL AS service,
NULL AS access,
is_bridge,
is_tunnel,
is_ford,
@@ -107,6 +110,7 @@ FROM (
NULL AS shipway,
NULL AS public_transport,
NULL AS service,
NULL AS access,
is_bridge,
is_tunnel,
is_ford,
@@ -137,6 +141,7 @@ FROM (
NULL AS shipway,
NULL AS public_transport,
NULL AS service,
NULL AS access,
is_bridge,
is_tunnel,
is_ford,
@@ -167,6 +172,7 @@ FROM (
NULL AS shipway,
NULL AS public_transport,
NULL AS service,
NULL AS access,
is_bridge,
is_tunnel,
is_ford,
@@ -197,6 +203,7 @@ FROM (
NULL AS shipway,
NULL AS public_transport,
NULL AS service,
NULL AS access,
is_bridge,
is_tunnel,
is_ford,
@@ -227,6 +234,7 @@ FROM (
NULL AS shipway,
NULL AS public_transport,
NULL AS service,
access,
is_bridge,
is_tunnel,
is_ford,
@@ -257,6 +265,7 @@ FROM (
NULL AS shipway,
NULL AS public_transport,
NULL AS service,
access,
is_bridge,
is_tunnel,
is_ford,
@@ -287,6 +296,7 @@ FROM (
NULL AS shipway,
NULL AS public_transport,
NULL AS service,
access,
is_bridge,
is_tunnel,
is_ford,
@@ -319,6 +329,7 @@ FROM (
NULL AS shipway,
public_transport,
service_value(service) AS service,
CASE WHEN access IN ('private', 'no') THEN 'no' END AS access,
is_bridge,
is_tunnel,
is_ford,
@@ -368,6 +379,7 @@ FROM (
NULL AS shipway,
NULL AS public_transport,
service_value(service) AS service,
NULL::text AS access,
NULL::boolean AS is_bridge,
NULL::boolean AS is_tunnel,
NULL::boolean AS is_ford,
@@ -401,6 +413,7 @@ FROM (
NULL AS shipway,
NULL AS public_transport,
service_value(service) AS service,
NULL::text AS access,
NULL::boolean AS is_bridge,
NULL::boolean AS is_tunnel,
NULL::boolean AS is_ford,
@@ -434,6 +447,7 @@ FROM (
NULL AS shipway,
NULL AS public_transport,
service_value(service) AS service,
NULL::text AS access,
is_bridge,
is_tunnel,
is_ford,
@@ -466,6 +480,7 @@ FROM (
NULL AS shipway,
NULL AS public_transport,
service_value(service) AS service,
NULL::text AS access,
is_bridge,
is_tunnel,
is_ford,
@@ -498,6 +513,7 @@ FROM (
NULL AS shipway,
NULL AS public_transport,
service_value(service) AS service,
NULL::text AS access,
is_bridge,
is_tunnel,
is_ford,
@@ -531,6 +547,7 @@ FROM (
NULL AS shipway,
NULL AS public_transport,
service_value(service) AS service,
NULL::text AS access,
is_bridge,
is_tunnel,
is_ford,
@@ -564,6 +581,7 @@ FROM (
NULL AS shipway,
NULL AS public_transport,
service_value(service) AS service,
NULL::text AS access,
is_bridge,
is_tunnel,
is_ford,
@@ -595,6 +613,7 @@ FROM (
NULL AS shipway,
NULL AS public_transport,
service_value(service) AS service,
NULL::text AS access,
is_bridge,
is_tunnel,
is_ford,
@@ -625,6 +644,7 @@ FROM (
shipway,
NULL AS public_transport,
service_value(service) AS service,
NULL::text AS access,
is_bridge,
is_tunnel,
is_ford,
@@ -655,6 +675,7 @@ FROM (
shipway,
NULL AS public_transport,
service_value(service) AS service,
NULL::text AS access,
is_bridge,
is_tunnel,
is_ford,
@@ -686,6 +707,7 @@ FROM (
shipway,
NULL AS public_transport,
service_value(service) AS service,
NULL::text AS access,
is_bridge,
is_tunnel,
is_ford,
@@ -721,6 +743,7 @@ FROM (
NULL AS shipway,
public_transport,
NULL AS service,
NULL::text AS access,
CASE
WHEN man_made IN ('bridge') THEN TRUE
ELSE FALSE