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shared_lua.lua
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-- ----------------------------------------------------------------------------
-- shared_lua.lua
--
-- Copyright (C) 2024-2025 Andy Townsend
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see <https://www.gnu.org/licenses/>.
-- ----------------------------------------------------------------------------
-- Code common to several projects is in this file.
-- That file is in the "SomeoneElse-style" repository, but needs to be
-- available on the standard lua path when a script that uses it is invoked.
-- An easy way to do that is to copy it to a local shared area on that path:
--
-- cp /home/${local_filesystem_user}/src/SomeoneElse-style/shared_lua.lua -
-- /usr/local/share/lua/5.3/
-- ----------------------------------------------------------------------------
function fix_invalid_layer_values_t( passedt )
if ( passedt.layer == "-0.5" ) then
passedt.layer = "-1"
end
if ((( passedt.bridge == "yes" ) or
( passedt.embankment == "yes" )) and
(( passedt.layer == "-3" ) or
( passedt.layer == "-2" ) or
( passedt.layer == "-1" ))) then
passedt.layer = "0"
end
if (( passedt.layer == "01" ) or
( passedt.layer == "+1" ) or
( passedt.layer == "yes" ) or
( passedt.layer == "0.5" ) or
( passedt.layer == "0-1" ) or
( passedt.layer == "0;1" ) or
( passedt.layer == "0;2" ) or
( passedt.layer == "0;1;2" ) or
( passedt.layer == "pipeline" )) then
passedt.layer = "1"
end
if ( passedt.layer == "2;4" ) then
passedt.layer = "2"
end
if (( passedt.layer == "6" ) or
( passedt.layer == "7" ) or
( passedt.layer == "8" ) or
( passedt.layer == "9" ) or
( passedt.layer == "10" ) or
( passedt.layer == "15" ) or
( passedt.layer == "16" )) then
passedt.layer = "5"
end
end -- fix_invalid_layer_values_t()
function treat_was_as_disused_t( passedt )
if (( passedt["was:amenity"] ~= nil ) and
( passedt["was:amenity"] ~= "" ) and
(( passedt["disused:amenity"] == nil ) or
( passedt["disused:amenity"] == "" ))) then
passedt["disused:amenity"] = passedt["was:amenity"]
end
if (( passedt["was:waterway"] ~= nil ) and
( passedt["was:waterway"] ~= "" ) and
(( passedt["disused:waterway"] == nil ) or
( passedt["disused:waterway"] == "" ))) then
passedt["disused:waterway"] = passedt["was:waterway"]
end
if (( passedt["was:railway"] ~= nil ) and
( passedt["was:railway"] ~= "" ) and
(( passedt["disused:railway"] == nil ) or
( passedt["disused:railway"] == "" ))) then
passedt["disused:railway"] = passedt["was:railway"]
end
if (( passedt["was:aeroway"] ~= nil ) and
( passedt["was:aeroway"] ~= "" ) and
(( passedt["disused:aeroway"] == nil ) or
( passedt["disused:aeroway"] == "" ))) then
passedt["disused:aeroway"] = passedt["was:aeroway"]
end
if (( passedt["was:landuse"] ~= nil ) and
( passedt["was:landuse"] ~= "" ) and
(( passedt["disused:landuse"] == nil ) or
( passedt["disused:landuse"] == "" ))) then
passedt["disused:landuse"] = passedt["was:landuse"]
end
if (( passedt["was:shop"] ~= nil ) and
( passedt["was:shop"] ~= "" ) and
(( passedt["disused:shop"] == nil ) or
( passedt["disused:shop"] == "" ))) then
passedt["disused:shop"] = passedt["was:shop"]
end
-- ----------------------------------------------------------------------------
-- Treat "closed:" as "disused:" in some cases too.
-- ----------------------------------------------------------------------------
if (( passedt["closed:amenity"] ~= nil ) and
( passedt["closed:amenity"] ~= "" ) and
(( passedt["disused:amenity"] == nil ) or
( passedt["disused:amenity"] == "" ))) then
passedt["disused:amenity"] = passedt["closed:amenity"]
end
if (( passedt["closed:shop"] ~= nil ) and
( passedt["closed:shop"] ~= "" ) and
(( passedt["disused:shop"] == nil ) or
( passedt["disused:shop"] == "" ))) then
passedt["disused:shop"] = passedt["closed:shop"]
end
-- ----------------------------------------------------------------------------
-- Treat "status=abandoned" as "disused=yes"
-- ----------------------------------------------------------------------------
if ( passedt.status == "abandoned" ) then
passedt.disused = "yes"
end
end -- treat_was_as_disused_t( passedt )
-- ----------------------------------------------------------------------------
-- Before processing footways, turn certain corridors into footways
--
-- Note that https://wiki.openstreetmap.org/wiki/Key:indoor defines
-- indoor=corridor as a closed way. highway=corridor is not documented there
-- but is used for corridors. We'll only process layer or level 0 (or nil)
-- ----------------------------------------------------------------------------
function fix_corridors_t( passedt )
if (( passedt.highway == "corridor" ) and
(( passedt.level == nil ) or
( passedt.level == "" ) or
( passedt.level == "0" )) and
(( passedt.layer == nil ) or
( passedt.layer == "" ) or
( passedt.layer == "0" ))) then
passedt.highway = "path"
end
end -- fix_corridors_t()
-- ----------------------------------------------------------------------------
-- "Different names on each side of the street" and
-- "name:en" is set by "name" is not.
-- ----------------------------------------------------------------------------
function set_name_left_right_en_t( passedt )
if (( passedt["name:left"] ~= nil ) and
( passedt["name:left"] ~= "" ) and
( passedt["name:right"] ~= nil ) and
( passedt["name:right"] ~= "" )) then
passedt.name = passedt["name:left"] .. " / " .. passedt["name:right"]
end
if ((( passedt["name"] == nil ) or
( passedt["name"] == "" )) and
( passedt["name:en"] ~= nil ) and
( passedt["name:en"] ~= "" )) then
passedt.name = passedt["name:en"]
end
end -- set_name_left_right_en_t
-- ----------------------------------------------------------------------------
-- Move refs to consider as "official" to official_ref
-- ----------------------------------------------------------------------------
function set_official_ref_t( passedt )
if ((( passedt.official_ref == nil ) or
( passedt.official_ref == "" )) and
( passedt.highway_authority_ref ~= nil )) then
passedt.official_ref = passedt.highway_authority_ref
end
if ((( passedt.official_ref == nil ) or
( passedt.official_ref == "" )) and
( passedt.highway_ref ~= nil )) then
passedt.official_ref = passedt.highway_ref
end
if ((( passedt.official_ref == nil ) or
( passedt.official_ref == "" )) and
( passedt.admin_ref ~= nil )) then
passedt.official_ref = passedt.admin_ref
end
if ((( passedt.official_ref == nil ) or
( passedt.official_ref == "" )) and
( passedt["admin:ref"] ~= nil )) then
passedt.official_ref = passedt["admin:ref"]
end
if ((( passedt.official_ref == nil ) or
( passedt.official_ref == "" )) and
( passedt.loc_ref ~= nil ) and
( passedt.loc_ref ~= "" ) and
( passedt.loc_ref ~= passedt.ref )) then
passedt.official_ref = passedt.loc_ref
end
end -- set_official_ref_t()
-- ----------------------------------------------------------------------------
-- Consolidate some rare highway types into ones we can display.
-- ----------------------------------------------------------------------------
function process_golf_tracks_t( passedt )
if (( passedt.golf == "track" ) and
(( passedt.highway == nil ) or
( passedt.highway == "" ))) then
passedt.highway = "track"
end
if (( passedt.golf == "path" ) and
(( passedt.highway == nil ) or
( passedt.highway == "" ) or
( passedt.highway == "service" ))) then
passedt.highway = "path"
end
if (( passedt.golf == "cartpath" ) and
(( passedt.highway == nil ) or
( passedt.highway == "" ) or
( passedt.highway == "service" ))) then
passedt.highway = "track"
end
end -- process_golf_tracks_t()
-- ----------------------------------------------------------------------------
-- "Sabristas" sometimes add dubious names to motorway junctions. Don't show
-- them if they're not signed.
-- ----------------------------------------------------------------------------
function suppress_unsigned_motorway_junctions_t( passedt )
if ((( passedt.highway == "motorway_junction" ) and
( passedt["name:signed"] == "no" ) or
( passedt["name:absent"] == "yes" ) or
( passedt.unsigned == "yes" ) or
( passedt.unsigned == "name" ))) then
passedt.name = ""
end
end -- suppress_unsigned_motorway_junctions_t()
-- ----------------------------------------------------------------------------
-- Move unsigned road refs to the name, in brackets.
-- ----------------------------------------------------------------------------
function suppress_unsigned_road_refs_t( passedt )
if (( passedt.highway == "motorway" ) or
( passedt.highway == "motorway_link" ) or
( passedt.highway == "trunk" ) or
( passedt.highway == "trunk_link" ) or
( passedt.highway == "primary" ) or
( passedt.highway == "primary_link" ) or
( passedt.highway == "secondary" ) or
( passedt.highway == "secondary_link" ) or
( passedt.highway == "tertiary" ) or
( passedt.highway == "tertiary_link" ) or
( passedt.highway == "unclassified" ) or
( passedt.highway == "unclassified_link" ) or
( passedt.highway == "residential" ) or
( passedt.highway == "residential_link" ) or
( passedt.highway == "service" ) or
( passedt.highway == "road" ) or
( passedt.highway == "track" ) or
( passedt.highway == "cycleway" ) or
( passedt.highway == "bridleway" ) or
( passedt.highway == "footway" ) or
( passedt.highway == "intfootwaynarrow" ) or
( passedt.highway == "path" ) or
( passedt.highway == "intpathnarrow" )) then
if (( passedt.name == nil ) or
( passedt.name == "" )) then
if (( passedt.ref ~= nil ) and
( passedt.ref ~= "" ) and
(( passedt["ref:signed"] == "no" ) or
( passedt.unsigned == "ref" ))) then
passedt.name = "(" .. passedt.ref .. ")"
passedt.ref = nil
passedt["ref:signed"] = nil
passedt.unsigned = nil
else
if (( passedt.official_ref ~= nil ) and
( passedt.official_ref ~= "" )) then
passedt.name = "(" .. passedt.official_ref .. ")"
passedt.official_ref = nil
end
end
else
if (( passedt["name:signed"] == "no" ) or
( passedt["name:absent"] == "yes" ) or
( passedt.unsigned == "yes" ) or
( passedt.unsigned == "name" )) then
passedt.name = "(" .. passedt.name
passedt["name:signed"] = nil
if (( passedt["ref:signed"] == "no" ) or
( passedt.unsigned == "ref" )) then
if (( passedt.ref ~= nil ) and
( passedt.ref ~= "" )) then
passedt.name = passedt.name .. ", " .. passedt.ref
end
passedt.ref = nil
passedt["ref:signed"] = nil
passedt.unsigned = nil
else
if (( passedt.official_ref ~= nil ) and
( passedt.official_ref ~= "" )) then
passedt.name = passedt.name .. ", " .. passedt.official_ref
passedt.official_ref = nil
end
end
passedt.name = passedt.name .. ")"
else
if (( passedt.ref ~= nil ) and
( passedt.ref ~= "" ) and
(( passedt["ref:signed"] == "no" ) or
( passedt.unsigned == "ref" ))) then
passedt.name = passedt.name .. " (" .. passedt.ref .. ")"
passedt.ref = nil
passedt["ref:signed"] = nil
passedt.unsigned = nil
else
if (( passedt.official_ref ~= nil ) and
( passedt.official_ref ~= "" )) then
passedt.name = passedt.name .. " (" .. passedt.official_ref .. ")"
passedt.official_ref = nil
end
end
end
end
end
end -- suppress_unsigned_road_refs_t()
function consolidate_lua_01_t( passedt )
-- ----------------------------------------------------------------------------
-- Show natural=bracken as scrub
-- ----------------------------------------------------------------------------
if ( passedt.natural == "bracken" ) then
passedt.natural = "scrub"
end
-- ----------------------------------------------------------------------------
-- Render old names on farmland etc.
-- ----------------------------------------------------------------------------
if ((( passedt.landuse == "farmland" ) or
( passedt.natural == "grassland" ) or
( passedt.natural == "scrub" )) and
(( passedt.name == nil ) or
( passedt.name == "" )) and
( passedt.old_name ~= nil ) and
( passedt.old_name ~= "" )) then
passedt.name = "(" .. passedt.old_name .. ")"
passedt.old_name = nil
end
-- ----------------------------------------------------------------------------
-- If "visibility" is set but "trail_visibility" is not, use "visibility".
-- ----------------------------------------------------------------------------
if (( passedt.visibility ~= nil ) and
( passedt.visibility ~= "" ) and
(( passedt.trail_visibility == nil ) or
( passedt.trail_visibility == "" ))) then
passedt.trail_visibility = passedt.visibility
end
-- ----------------------------------------------------------------------------
-- Rationalise the various trail_visibility values into 3 sets
-- (no value) Implied good trail visibility.
--
-- intermediate Less trail visibility. Shown with wider gaps in dotted line
-- bad Even less trail visibility. Shown with wider gaps or not shown
-- (depending on designation).
--
-- "trail_visibility=unknown" is treated as "good" since it's been mapped
-- from aerial imagery. It's not explicitly referenced below.
--
-- "trail_visibility=low" is treated as "intermediate" based on looking at
-- the use in OSM.
--
-- Also treat "overgrown=yes" as "intermediate". A discussion on talk-gb was
-- largely inconclusive, but "overgrown" is the "most renderable" way to deal
-- with things like this. A later suggestion "foot:physical=no" is also
-- included.
--
-- "informal=yes" was less common in the UK (but is becoming more so).
-- ----------------------------------------------------------------------------
if (( passedt.trail_visibility == "no" ) or
( passedt.trail_visibility == "none" ) or
( passedt.trail_visibility == "nil" ) or
( passedt.trail_visibility == "horrible" ) or
( passedt.trail_visibility == "very_bad" ) or
( passedt.trail_visibility == "bad" ) or
( passedt.trail_visibility == "poor" ) or
( passedt["foot:physical"] == "no" )) then
passedt.trail_visibility = "bad"
end
if (( passedt.trail_visibility == "intermediate" ) or
( passedt.trail_visibility == "intermittent" ) or
( passedt.trail_visibility == "indistinct" ) or
( passedt.trail_visibility == "medium" ) or
( passedt.trail_visibility == "low" ) or
( passedt.overgrown == "yes" ) or
( passedt.obstacle == "vegetation" ) or
((( passedt.trail_visibility == nil ) or
( passedt.trail_visibility == "" )) and
( passedt.informal == "yes" ))) then
passedt.trail_visibility = "intermediate"
end
-- ----------------------------------------------------------------------------
-- If we have an est_width but no width, use the est_width
-- ----------------------------------------------------------------------------
if (( passedt.est_width ~= nil ) and
( passedt.est_width ~= "" ) and
(( passedt.width == nil ) or
( passedt.width == "" ))) then
passedt.width = passedt.est_width
end
-- ----------------------------------------------------------------------------
-- highway=scramble is used very occasionally
--
-- If sac_scale is unset, set it to "demanding_alpine_hiking" here so that
-- e.g. "badpathnarrow" is set lower down.
-- If it is already set, use the already-set value.
--
-- Somewhat related, if "scramble=yes" is set and "trail_visibility" isn't,
-- set "trail_visibility==intermediate" so that e.g. "badpathnarrow" is set.
-- ----------------------------------------------------------------------------
if ( passedt.highway == "scramble" ) then
passedt.highway = "path"
if ( passedt.sac_scale == nil ) then
passedt.sac_scale = "demanding_alpine_hiking"
end
end
if (( passedt.highway ~= nil ) and
( passedt.highway ~= "" ) and
( passedt.scramble == "yes" ) and
(( passedt.sac_scale == nil ) or
( passedt.sac_scale == "" )) and
(( passedt.trail_visibility == nil ) or
( passedt.trail_visibility == "" ))) then
passedt.trail_visibility = "intermediate"
end
-- ----------------------------------------------------------------------------
-- Suppress non-designated very low-visibility paths
-- Various low-visibility trail_visibility values have been set to "bad" above
-- to suppress from normal display.
-- The "bridge" check (on trail_visibility, not sac_scale) is because if
-- there's really a bridge there, surely you can see it?
-- ----------------------------------------------------------------------------
if (( passedt.highway ~= nil ) and
( passedt.highway ~= "" ) and
(( passedt.designation == nil ) or
( passedt.designation == "" )) and
( passedt.trail_visibility == "bad" )) then
if ((( tonumber(passedt.width) or 0 ) >= 2 ) or
( passedt.width == "2 m" ) or
( passedt.width == "2.5 m" ) or
( passedt.width == "3 m" ) or
( passedt.width == "4 m" )) then
if ( passedt.bridge == nil ) then
passedt.highway = "badpathwide"
else
passedt.highway = "intpathwide"
end
else
if ( passedt.bridge == nil ) then
passedt.highway = "badpathnarrow"
else
passedt.highway = "intpathnarrow"
end
end
end
-- ----------------------------------------------------------------------------
-- Various low-visibility trail_visibility values have been set to "bad" above.
-- ----------------------------------------------------------------------------
if (( passedt.highway ~= nil ) and
( passedt.highway ~= "" ) and
( passedt.ladder == "yes" )) then
passedt.highway = "steps"
passedt.ladder = nil
end
-- ----------------------------------------------------------------------------
-- Where a wide width is specified on a normally narrow path, render as wider
--
-- Note that "steps" and "footwaysteps" are unchanged by the
-- pathwide / path choice below:
-- ----------------------------------------------------------------------------
if (( passedt.highway == "footway" ) or
( passedt.highway == "bridleway" ) or
( passedt.highway == "cycleway" ) or
( passedt.highway == "path" )) then
if ((( tonumber(passedt.width) or 0 ) >= 2 ) or
( passedt.width == "2 m" ) or
( passedt.width == "2.5 m" ) or
( passedt.width == "3 m" ) or
( passedt.width == "4 m" )) then
if (( passedt.trail_visibility == "bad" ) or
( passedt.trail_visibility == "intermediate" )) then
passedt.highway = "intpathwide"
else
passedt.highway = "pathwide"
end
else
if (( passedt.trail_visibility == "bad" ) or
( passedt.trail_visibility == "intermediate" )) then
passedt.highway = "intpathnarrow"
else
passedt.highway = "pathnarrow"
end
end
end
-- ----------------------------------------------------------------------------
-- Where a narrow width is specified on a normally wide track, render as
-- narrower
-- ----------------------------------------------------------------------------
if ( passedt.highway == "track" ) then
if (( passedt.width == nil ) or
( passedt.width == "" )) then
passedt.width = "2"
end
if ((( tonumber(passedt.width) or 0 ) >= 2 ) or
( passedt.width == "2 m" ) or
( passedt.width == "2.5 m" ) or
( passedt.width == "2.5m" ) or
( passedt.width == "3 m" ) or
( passedt.width == "3 metres" ) or
( passedt.width == "3.5 m" ) or
( passedt.width == "4 m" ) or
( passedt.width == "5m" )) then
if (( passedt.trail_visibility == "bad" ) or
( passedt.trail_visibility == "intermediate" )) then
passedt.highway = "intpathwide"
else
passedt.highway = "pathwide"
end
else
if (( passedt.trail_visibility == "bad" ) or
( passedt.trail_visibility == "intermediate" )) then
passedt.highway = "intpathnarrow"
else
passedt.highway = "pathnarrow"
end
end
end
-- ----------------------------------------------------------------------------
-- Suppress some "demanding" paths. UK examples with sac_scale:
-- alpine_hiking:
-- http://www.openstreetmap.org/way/168426583 Crib Goch, Snowdon
-- demanding_mountain_hiking:
-- http://www.openstreetmap.org/way/114871124 Near Tryfan
-- difficult_alpine_hiking:
-- http://www.openstreetmap.org/way/334306672 Jack's Rake, Pavey Ark
-- ----------------------------------------------------------------------------
if (( passedt.designation == nil ) and
(( passedt.sac_scale == "demanding_alpine_hiking" ) or
( passedt.sac_scale == "difficult_alpine_hiking" ))) then
if ((( tonumber(passedt.width) or 0 ) >= 2 ) or
( passedt.width == "2 m" ) or
( passedt.width == "2.5 m" ) or
( passedt.width == "3 m" ) or
( passedt.width == "4 m" )) then
passedt.highway = "badpathwide"
else
passedt.highway = "badpathnarrow"
end
end
-- ----------------------------------------------------------------------------
-- Consolidate some access values to make later processing easier.
-- This code is used for both raster and vector processing.
-- On raster, the OSM Carto derivative that I'm using still tries to
-- second-guess paths as footway or cycleway. We don't want to do this - set
-- "designated" to "yes"
--
-- First - lose "access=designated", which is meaningless.
-- ----------------------------------------------------------------------------
if ( passedt.access == "designated" ) then
passedt.access = nil
end
if ( passedt.foot == "designated" ) then
passedt.foot = "yes"
end
if ( passedt.bicycle == "designated" ) then
passedt.bicycle = "yes"
end
if ( passedt.horse == "designated" ) then
passedt.horse = "yes"
end
-- ----------------------------------------------------------------------------
-- Handle dodgy access tags. Note that this doesn't affect my "designation"
-- processing, but may be used by the main style, as "foot", "bicycle" and
-- "horse" are all in as columns.
-- ----------------------------------------------------------------------------
if (passedt["access:foot"] == "yes") then
passedt["access:foot"] = nil
passedt.foot = "yes"
end
if (passedt["access:bicycle"] == "yes") then
passedt["access:bicycle"] = nil
passedt.bicycle = "yes"
end
if (passedt["access:horse"] == "yes") then
passedt["access:horse"] = nil
passedt.horse = "yes"
end
-- ----------------------------------------------------------------------------
-- On footpaths, if foot=no set access=no
--
-- Tracks etc. that aren't narrow won't be "pathnarrow" at this stage, and we
-- shouldn't set "access" based on "foot"
--
-- Things that are narrow but have a designation will either not be private to
-- foot traffic or should be picked up by the TRO etc. handling below.
-- ----------------------------------------------------------------------------
if (( passedt.highway == "pathnarrow" ) and
(( passedt.foot == "private" ) or
( passedt.foot == "no" )) and
(( passedt.bicycle == nil ) or
( passedt.bicycle == "" ) or
( passedt.bicycle == "private" ) or
( passedt.bicycle == "no" )) and
(( passedt.horse == nil ) or
( passedt.horse == "" ) or
( passedt.horse == "private" ) or
( passedt.horse == "no" ))) then
passedt.access = "no"
end
-- ----------------------------------------------------------------------------
-- When handling TROs etc. we test for "no", not private, hence this change:
-- ----------------------------------------------------------------------------
if ( passedt.access == "private" ) then
passedt.access = "no"
end
if ( passedt.foot == "private" ) then
passedt.foot = "no"
end
if ( passedt.bicycle == "private" ) then
passedt.bicycle = "no"
end
if ( passedt.horse == "private" ) then
passedt.horse = "no"
end
-- ----------------------------------------------------------------------------
-- Here we apply the track grade rendering to road designations:
-- unpaved roads unpaved
-- narrow unclassigned_county_road ucrnarrow
-- wide unclassigned_county_road ucrwide
-- narrow BOAT boatnarrow
-- wide BOAT boatwide
-- narrow restricted byway rbynarrow
-- wide restricted byway rbywide
--
-- prow_ref is appended in brackets if present.
-- ----------------------------------------------------------------------------
if (( passedt.highway == "unclassified" ) and
(( passedt.surface == "dirt" ) or
( passedt.surface == "dirt/sand" ) or
( passedt.surface == "earth" ) or
( passedt.surface == "fine_gravel" ) or
( passedt.surface == "grass" ) or
( passedt.surface == "grass;sand" ) or
( passedt.surface == "gravel" ) or
( passedt.surface == "ground" ) or
( passedt.surface == "mud" ) or
( passedt.surface == "pebblestone" ) or
( passedt.surface == "sand" ) or
( passedt.surface == "unpaved" ) or
( passedt.surface == "unpaved/paved" ))) then
passedt.highway = "unpaved"
end
if ((( passedt.highway == "residential" ) or
( passedt.highway == "service" )) and
(( passedt.surface == "unpaved" ) or
( passedt.surface == "gravel" ))) then
passedt.highway = "track"
end
if (( passedt.designation == "unclassified_county_road" ) or
( passedt.designation == "unclassified_country_road" ) or
( passedt.designation == "unclassified_highway" ) or
( passedt.designation == "unclassified_road" ) or
( passedt.designation == "unmade_road" ) or
( passedt.designation == "public_highway" ) or
( passedt.designation == "unclassified_highway;public_footpath" ) or
( passedt.designation == "unmade_road" ) or
( passedt.designation == "adopted" ) or
( passedt.designation == "unclassified_highway;public_bridleway" ) or
( passedt.designation == "adopted highway" ) or
( passedt.designation == "adopted_highway" ) or
( passedt.designation == "unclassified_highway;byway_open_to_all_traffic" ) or
( passedt.designation == "adopted_highway;public_footpath" ) or
( passedt.designation == "tertiary_highway" ) or
( passedt.designation == "public_road" ) or
( passedt.designation == "quiet_lane;unclassified_highway" ) or
( passedt.designation == "unclassified_highway;quiet_lane" )) then
if (( passedt.highway == "steps" ) or
( passedt.highway == "intpathnarrow" ) or
( passedt.highway == "pathnarrow" )) then
passedt.highway = "ucrnarrow"
else
if (( passedt.highway == "service" ) or
( passedt.highway == "road" ) or
( passedt.highway == "track" ) or
( passedt.highway == "intpathwide" ) or
( passedt.highway == "pathwide" )) then
passedt.highway = "ucrwide"
end
end
append_prow_ref_t( passedt )
end
if (( passedt.designation == "byway_open_to_all_traffic" ) or
( passedt.designation == "public_byway" ) or
( passedt.designation == "byway" ) or
( passedt.designation == "carriageway" )) then
if (( passedt.highway == "steps" ) or
( passedt.highway == "intpathnarrow" ) or
( passedt.highway == "pathnarrow" )) then
passedt.highway = "boatnarrow"
passedt.designation = "byway_open_to_all_traffic"
else
if (( passedt.highway == "service" ) or
( passedt.highway == "road" ) or
( passedt.highway == "track" ) or
( passedt.highway == "intpathwide" ) or
( passedt.highway == "pathwide" )) then
passedt.highway = "boatwide"
passedt.designation = "byway_open_to_all_traffic"
end
end
append_prow_ref_t( passedt )
end
-- ----------------------------------------------------------------------------
-- Note that a designated restricted_byway up some steps would be rendered
-- as a restricted_byway. I've never seen one though.
-- There is special processing for "public footpath" and "public_bridleway"
-- steps (see below) and non-designated steps are rendered as is by the
-- stylesheet.
-- ----------------------------------------------------------------------------
if (( passedt.designation == "restricted_byway" ) or
( passedt.designation == "public_right_of_way" ) or
( passedt.designation == "unclassified_highway;restricted_byway" ) or
( passedt.designation == "unknown_byway" ) or
( passedt.designation == "public_way" ) or
( passedt.designation == "tertiary_highway;restricted_byway" ) or
( passedt.designation == "orpa" ) or
( passedt.designation == "restricted_byway;quiet_lane" )) then
if (( passedt.highway == "steps" ) or
( passedt.highway == "intpathnarrow" ) or
( passedt.highway == "pathnarrow" )) then
passedt.highway = "rbynarrow"
passedt.designation = "restricted_byway"
else
if (( passedt.highway == "service" ) or
( passedt.highway == "road" ) or
( passedt.highway == "track" ) or
( passedt.highway == "intpathwide" ) or
( passedt.highway == "pathwide" )) then
passedt.highway = "rbywide"
passedt.designation = "restricted_byway"
end
end
append_prow_ref_t( passedt )
end
-- ----------------------------------------------------------------------------
-- If called from raster, when a value is changed we get called again.
-- That's why there's a check for "bridlewaysteps" below
-- "before the only place that it can be set".
-- ----------------------------------------------------------------------------
if (( passedt.designation == "public_bridleway" ) or
( passedt.designation == "bridleway" ) or
( passedt.designation == "tertiary_highway;public_bridleway" ) or
( passedt.designation == "public_bridleway;public_cycleway" ) or
( passedt.designation == "public_cycleway;public_bridleway" ) or
( passedt.designation == "public_bridleway;public_footpath" )) then
if (( passedt.highway == "intpathnarrow" ) or
( passedt.highway == "pathnarrow" )) then
if (( passedt.trail_visibility == "bad" ) or
( passedt.trail_visibility == "intermediate" )) then
passedt.highway = "intbridlewaynarrow"
else
passedt.highway = "bridlewaynarrow"
end
else
if (( passedt.highway == "steps" ) or
( passedt.highway == "bridlewaysteps" )) then
passedt.highway = "bridlewaysteps"
else
if (( passedt.highway == "service" ) or
( passedt.highway == "road" ) or
( passedt.highway == "track" ) or
( passedt.highway == "intpathwide" ) or
( passedt.highway == "pathwide" )) then
if (( passedt.trail_visibility == "bad" ) or
( passedt.trail_visibility == "intermediate" )) then
passedt.highway = "intbridlewaywide"
else
passedt.highway = "bridlewaywide"
end
end
end
end
append_prow_ref_t( passedt )
end
-- ----------------------------------------------------------------------------
-- On raster, when a value is changed we get called again. That's why there's
-- a check for "footwaysteps" below "before the only place that it can be set".
--
-- Rights of way for people on foot are designated as:
-- England and Wales: public_footpath
-- Scotland: core_path (ish - more general acess rights exist)
-- Northern Ireland: public_footpath or PROW (actually "footpath" in law)
-- ----------------------------------------------------------------------------
if (( passedt.designation == "public_footpath" ) or
( passedt.designation == "core_path" ) or
( passedt.designation == "footpath" ) or
( passedt.designation == "public_footway" ) or
( passedt.designation == "public_footpath;permissive_bridleway" ) or
( passedt.designation == "public_footpath;public_cycleway" ) or
( passedt.designation == "PROW" ) or
( passedt.designation == "access_land" )) then
if (( passedt.highway == "intpathnarrow" ) or
( passedt.highway == "pathnarrow" )) then
if (( passedt.trail_visibility == "bad" ) or
( passedt.trail_visibility == "intermediate" )) then
passedt.highway = "intfootwaynarrow"
else
passedt.highway = "footwaynarrow"
end
else
if (( passedt.highway == "steps" ) or
( passedt.highway == "footwaysteps" )) then
passedt.highway = "footwaysteps"
else
if (( passedt.highway == "service" ) or
( passedt.highway == "road" ) or
( passedt.highway == "track" ) or
( passedt.highway == "intpathwide" ) or
( passedt.highway == "pathwide" )) then
if (( passedt.trail_visibility == "bad" ) or
( passedt.trail_visibility == "intermediate" )) then
passedt.highway = "intfootwaywide"
else
passedt.highway = "footwaywide"
end
end
end
end
append_prow_ref_t( passedt )
end
-- ----------------------------------------------------------------------------
-- If something is still "track" by this point change it to pathwide.
-- ----------------------------------------------------------------------------
if ( passedt.highway == "track" ) then
if (( passedt.trail_visibility == "bad" ) or
( passedt.trail_visibility == "intermediate" )) then
passedt.highway = "intpathwide"
else
passedt.highway = "pathwide"
end
end
-- ----------------------------------------------------------------------------
-- Treat access=permit as access=no (which is what we have set "private" to
-- above).
-- ----------------------------------------------------------------------------
if (( passedt.access == "permit" ) or
( passedt.access == "agricultural" ) or
( passedt.access == "forestry" ) or
( passedt.access == "delivery" ) or
( passedt.access == "military" )) then
passedt.access = "no"
end
if ( passedt.access == "customers" ) then
passedt.access = "destination"
end
-- ----------------------------------------------------------------------------
-- Don't make driveways with a designation disappear.
-- ----------------------------------------------------------------------------
if (( passedt.service == "driveway" ) and
(( passedt.designation == "public_footpath" ) or
( passedt.designation == "public_bridleway" ) or
( passedt.designation == "restricted_byway" ) or
( passedt.designation == "byway_open_to_all_traffic" ) or
( passedt.designation == "unclassified_county_road" ) or
( passedt.designation == "unclassified_country_road" ) or
( passedt.designation == "unclassified_highway" ))) then
passedt.service = nil
end
-- ----------------------------------------------------------------------------
-- If motor_vehicle=no is set on a BOAT, it's probably a TRO, so display as
-- an RBY instead
-- ----------------------------------------------------------------------------
if (( passedt.highway == "boatwide" ) and
( passedt.motor_vehicle == "no" )) then
passedt.highway = "rbywide"
end
if (( passedt.highway == "boatnarrow" ) and
( passedt.motor_vehicle == "no" )) then
passedt.highway = "rbynarrow"
end
-- ----------------------------------------------------------------------------
-- Try and detect genuinely closed public footpaths, bridleways (not just those
-- closed to motor traffic etc.). Examples with "access=no/private" are
-- picked up below; we need to make sure that those that do not get an
-- access=private tag first.
-- ----------------------------------------------------------------------------
if ((( passedt.access == nil ) or
( passedt.access == "" )) and
(( passedt.designation == "public_footpath" ) or
( passedt.designation == "public_bridleway" ) or
( passedt.designation == "restricted_byway" ) or
( passedt.designation == "byway_open_to_all_traffic" ) or
( passedt.designation == "unclassified_county_road" ) or
( passedt.designation == "unclassified_country_road" ) or
( passedt.designation == "unclassified_highway" )) and
( passedt.foot == "no" )) then
passedt.access = "no"
end
-- ----------------------------------------------------------------------------
-- The extra information "and"ed with "public_footpath" below checks that
-- "It's access=private and designation=public_footpath, and ordinarily we'd
-- just remove the access=private tag as you ought to be able to walk there,
-- unless there isn't foot=yes/designated to say you can, or there is an
-- explicit foot=no".
-- ----------------------------------------------------------------------------
if ((( passedt.access == "no" ) or
( passedt.access == "destination" )) and
(((( passedt.designation == "public_footpath" ) or
( passedt.designation == "public_bridleway" ) or
( passedt.designation == "restricted_byway" ) or
( passedt.designation == "byway_open_to_all_traffic" ) or
( passedt.designation == "unclassified_county_road" ) or
( passedt.designation == "unclassified_country_road" ) or
( passedt.designation == "unclassified_highway" )) and
( passedt.foot ~= nil ) and
( passedt.foot ~= "" ) and
( passedt.foot ~= "no" )) or
((( passedt.highway == "pathnarrow" ) or
( passedt.highway == "pathwide" ) or
( passedt.highway == "intpathnarrow" ) or
( passedt.highway == "intpathwide" ) or
( passedt.highway == "service" )) and
(( passedt.foot == "permissive" ) or
( passedt.foot == "yes" ))))) then
passedt.access = nil
end
end -- consolidate_lua_01_t( passedt )