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* migrated osm2pgsql to the flex export format * first draft at a simple indoor import * made martin expose the relevant tables in the catalog * apk usage * removed odd `sh -c`
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,125 @@ | ||
| -- See https://github.com/osm2pgsql-dev/osm2pgsql/tree/master/flex-config | ||
| -- for configuration examples | ||
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| -- For debugging | ||
| -- inspect = require('inspect') | ||
| -- print(inspect(object)) | ||
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| print('osm2pgsql version: ' .. osm2pgsql.version) | ||
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| local tables = {} | ||
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| tables.indoor_nodes = osm2pgsql.define_node_table('indoor_nodes', { | ||
| { column = 'tags', type = 'jsonb' }, | ||
| { column = 'geom', type = 'point', not_null = true }, | ||
| }) | ||
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| tables.indoor_ways = osm2pgsql.define_way_table('indoor_ways', { | ||
| { column = 'tags', type = 'jsonb' }, | ||
| { column = 'geom', type = 'linestring', not_null = true }, | ||
| }) | ||
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| tables.indoor_polygons = osm2pgsql.define_area_table('indoor_polygons', { | ||
| { column = 'type', type = 'text' }, | ||
| { column = 'tags', type = 'jsonb' }, | ||
| -- The type of the `geom` column is `geometry`, because we need to store | ||
| -- polygons AND multipolygons | ||
| { column = 'geom', type = 'geometry', not_null = true }, | ||
| }) | ||
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| -- Debug output: Show definition of tables | ||
| for name, dtable in pairs(tables) do | ||
| print("\ntable '" .. name .. "':") | ||
| print(" name='" .. dtable:name() .. "'") | ||
| -- print(" columns=" .. inspect(dtable:columns())) | ||
| end | ||
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| -- Helper function to remove some of the tags we usually are not interested in. | ||
| -- Returns true if there are no tags left. | ||
| local function clean_tags(tags) | ||
| tags.odbl = nil | ||
| tags.created_by = nil | ||
| tags.source = nil | ||
| tags['source:ref'] = nil | ||
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| return next(tags) == nil | ||
| end | ||
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| -- Called for every node in the input. The `object` argument contains all the | ||
| -- attributes of the node like `id`, `version`, etc. as well as all tags as a | ||
| -- Lua table (`object.tags`). | ||
| function osm2pgsql.process_node(object) | ||
| -- Uncomment next line to look at the object data: | ||
| -- print(inspect(object)) | ||
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| if clean_tags(object.tags) then | ||
| return | ||
| end | ||
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| if object.tags.indoor == nil and object.tags.level == nil then | ||
| return | ||
| end | ||
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| tables.indoor_nodes:insert({ | ||
| tags = object.tags, | ||
| geom = object:as_point() | ||
| }) | ||
| end | ||
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| -- Called for every way in the input. The `object` argument contains the same | ||
| -- information as with nodes and additionally a boolean `is_closed` flag and | ||
| -- the list of node IDs referenced by the way (`object.nodes`). | ||
| function osm2pgsql.process_way(object) | ||
| -- Uncomment next line to look at the object data: | ||
| -- print(inspect(object)) | ||
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| if clean_tags(object.tags) then | ||
| return | ||
| end | ||
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| if object.tags.indoor == nil and object.tags.level == nil then | ||
| return | ||
| end | ||
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| -- Very simple check to decide whether a way is a polygon or not, in a | ||
| -- real stylesheet we'd have to also look at the tags... | ||
| if object.is_closed then | ||
| tables.indoor_polygons:insert({ | ||
| type = object.type, | ||
| tags = object.tags, | ||
| geom = object:as_polygon() | ||
| }) | ||
| else | ||
| tables.indoor_ways:insert({ | ||
| tags = object.tags, | ||
| geom = object:as_linestring() | ||
| }) | ||
| end | ||
| end | ||
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| -- Called for every relation in the input. The `object` argument contains the | ||
| -- same information as with nodes and additionally an array of members | ||
| -- (`object.members`). | ||
| function osm2pgsql.process_relation(object) | ||
| -- Uncomment next line to look at the object data: | ||
| -- print(inspect(object)) | ||
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| if clean_tags(object.tags) then | ||
| return | ||
| end | ||
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| if object.tags.indoor == nil and object.tags.level == nil then | ||
| return | ||
| end | ||
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| -- Store multipolygons and boundaries as polygons | ||
| if object.tags.type == 'multipolygon' or | ||
| object.tags.type == 'boundary' then | ||
| tables.indoor_polygons:insert({ | ||
| type = object.type, | ||
| tags = object.tags, | ||
| geom = object:as_multipolygon() | ||
| }) | ||
| end | ||
| end |
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