126 lines
3.9 KiB
Lua
126 lines
3.9 KiB
Lua
-- Assigns extra_speeds list based on location tag
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-- based on reading https://wiki.openstreetmap.org/wiki/Key:motorroad
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-- and https://wiki.openstreetmap.org/wiki/OSM_tags_for_routing/Access_restrictions
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-- (esp #Alternative_ideas)
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--
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local Set = require('lib/set')
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local Sequence = require('lib/sequence')
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local country_foot_data = require('lib/country_foot_data')
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local country_bicycle_data = require('lib/country_bicycle_data')
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local country_data = require('lib/country_data')
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local Tags = require('lib/tags')
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local country_speeds = {}
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function country_speeds.inAccessSet(country)
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return country_data.inAccessSet(country)
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end
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function country_speeds.getCnameEntry(country)
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return country_data.getCnameEntry(country)
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end
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function country_speeds.getcountrytag(way)
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local location = way:get_location_tag('iso_a3_eh')
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if not location then
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location = way:get_location_tag("iso_a3")
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end
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if not location then
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location = way:get_location_tag("ISO_A3")
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end
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if not location then
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location = way:get_location_tag("ISO3_CODE")
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end
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if not location then
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countryname = way:get_location_tag("name_en")
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if countryname then
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location = country_speeds.getCnameEntry(countryname)
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end
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end
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if country_data.inAccessSet(location) then
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return location
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end
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return 'Worldwide'
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end
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function country_speeds.getAccessProfile(data, profile)
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local country = data.location
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local prof = profile
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if profile == 'foot' then
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return country_foot_data.getAccessProfile(country, prof)
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end
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if profile == 'bicycle' then
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return country_bicycle_data.getAccessProfile(country, prof)
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end
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return false
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end
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-- handle speed (excluding maxspeed)
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function country_speeds.wayspeed(profile,way,result,data)
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if result.forward_speed ~= -1 then
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return -- abort if already set, eg. by a route
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end
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local key,value,speed
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if profile.uselocationtags and profile.uselocationtags.countryspeeds then
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-- check for location tags to handle speeds
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local extra_speeds = country_speeds.getAccessProfile(data, profile.profile)
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if extra_speeds then
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key,value,speed = Tags.get_constant_by_key_value(way,extra_speeds)
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else
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key,value,speed = Tags.get_constant_by_key_value(way,profile.hwyspeeds)
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end
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if speed and speed ~= -1 then
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result.forward_speed = speed
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result.backward_speed = speed
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else
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speed = false
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end
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else
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key,value,speed = Tags.get_constant_by_key_value(way,profile.hwyspeeds)
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end
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if speed then
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-- set speed by way type
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result.forward_speed = speed
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result.backward_speed = speed
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else
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if profile.otherspeeds then
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key,value,speed = Tags.get_constant_by_key_value(way,profile.otherspeeds)
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end
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end
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if speed then
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-- set speed by way type
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result.forward_speed = speed
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result.backward_speed = speed
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end
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if not speed then
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-- Set the avg speed on ways that are marked accessible
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if profile.access_tag_whitelist[data.forward_access] then
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result.forward_speed = profile.default_speed
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elseif data.forward_access and not profile.access_tag_blacklist[data.forward_access] then
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result.forward_speed = profile.default_speed -- fallback to the avg speed if access tag is not blacklisted
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elseif not data.forward_access and data.backward_access then
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result.forward_mode = mode.inaccessible
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end
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if profile.access_tag_whitelist[data.backward_access] then
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result.backward_speed = profile.default_speed
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elseif data.backward_access and not profile.access_tag_blacklist[data.backward_access] then
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result.backward_speed = profile.default_speed -- fallback to the avg speed if access tag is not blacklisted
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elseif not data.backward_access and data.forward_access then
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result.backward_mode = mode.inaccessible
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end
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end
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if result.forward_speed == -1 and result.backward_speed == -1 and result.duration <= 0 then
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return false
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end
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end
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return country_speeds
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