obs-portal/api/roads_import.lua
2021-11-22 09:50:33 +01:00

98 lines
2.2 KiB
Lua

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