115 lines
2.8 KiB
Lua
115 lines
2.8 KiB
Lua
--
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-- To use this file, see
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-- https://mygisnotes.wordpress.com/2015/10/09/openstreepmap-import-data-into-a-postgis-database-and-incrementally-update-it/
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-- for general instructions:
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-- 1. Download PBF
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-- 2. Convert and filter to your needs
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-- 3. Run the import like this:
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--
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-- osm2pgsql --create --hstore --style api/roads_import.lua -O flex \
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-- --proj 32629 -H localhost -d obs -U obs -W \
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-- YOUR_FILE.o5m
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local function contains(table, val)
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for i=1,#table do
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if table[i] == val then
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return true
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end
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end
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return false
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end
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local HIGHWAY_TYPES = {
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"trunk",
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"primary",
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"secondary",
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"tertiary",
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"unclassified",
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"residential",
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"trunk_link",
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"primary_link",
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"secondary_link",
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"tertiary_link",
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"living_street",
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"service",
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"track",
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"road",
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}
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local ZONE_TYPES = {
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"urban",
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"rural",
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"motorway",
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}
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local URBAN_TYPES = {
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"residential",
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"living_street",
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"road",
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}
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local MOTORWAY_TYPES = {
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"motorway",
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"motorway_link",
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}
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local ONEWAY_YES = {"yes", "true", "1"}
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local ONEWAY_REVERSE = {"reverse", "-1"}
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local roads = osm2pgsql.define_way_table('road', {
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{ column = 'zone', type = 'text', sql_type="zone_type" },
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{ column = 'directionality', type = 'int' },
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{ column = 'name', type = 'text' },
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{ column = 'geometry', type = 'linestring' },
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{ column = 'oneway', type = 'bool' },
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})
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function osm2pgsql.process_way(object)
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if object.tags.highway and contains(HIGHWAY_TYPES, object.tags.highway) then
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local tags = object.tags
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local zone = nil
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if tags["zone:traffic"] then
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zone = tags["zone:traffic"]
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if zone == "DE:urban" then
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zone = "urban"
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elseif zone == "DE:rural" then
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zone = "rural"
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elseif zone == "DE:motorway" then
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zone = "motorway"
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elseif string.match(zone, "rural") then
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zone = "rural"
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elseif string.match(zone, "urban") then
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zone = "urban"
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elseif string.match(zone, "motorway") then
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zone = "motorway"
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elseif contains(URBAN_TYPES, tags.highway) then
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zone = "urban"
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elseif contains(MOTORWAY_TYPES, tags.highway) then
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zone = "motorway"
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else
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-- we can't figure it out
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zone = nil
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end
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end
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local directionality = 0
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local oneway = tags.oneway
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-- See https://wiki.openstreetmap.org/wiki/Key:oneway section "Implied oneway restriction"
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if contains(ONEWAY_YES, tags.oneway) or tags.junction == "roundabout" or zone == "motorway" then
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directionality = 1
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oneway = true
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elseif contains(ONEWAY_REVERSE, tags.oneway) then
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directionality = -1
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oneway = true
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end
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roads:add_row({
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geom = { create = 'linear' },
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name = tags.name,
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zone = zone,
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directionality = directionality,
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oneway = oneway,
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})
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end
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end
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