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https://github.com/osm-search/Nominatim.git
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adapt scene generation tool to newest libosmium
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3c9af7f151
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@ -7,19 +7,49 @@
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#include <unordered_map>
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#include <osmium/area/assembler.hpp>
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#include <osmium/area/multipolygon_collector.hpp>
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#include <osmium/area/problem_reporter_exception.hpp>
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#include <osmium/area/multipolygon_manager.hpp>
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#include <osmium/geom/wkt.hpp>
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#include <osmium/handler.hpp>
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#include <osmium/handler/node_locations_for_ways.hpp>
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#include <osmium/io/any_input.hpp>
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#include <osmium/visitor.hpp>
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#include <osmium/object_pointer_collection.hpp>
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#include <osmium/index/map/sparse_mem_array.hpp>
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#include <osmium/osm/object_comparisons.hpp>
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typedef osmium::index::map::SparseMemArray<osmium::unsigned_object_id_type, osmium::Location> index_type;
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typedef osmium::handler::NodeLocationsForWays<index_type, index_type> location_handler_type;
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struct AbsoluteIdHandler : public osmium::handler::Handler {
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enum { BASE = 100000000 };
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void node(osmium::Node& o) {
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if (o.id() < 0)
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o.set_id(BASE-o.id());
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}
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void way(osmium::Way& o) {
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if (o.id() < 0)
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o.set_id(BASE-o.id());
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for (osmium::NodeRef &n: o.nodes())
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if (n.ref() < 0)
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n.set_ref(BASE-n.ref());
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}
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void relation(osmium::Relation& o) {
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if (o.id() < 0)
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o.set_id(BASE-o.id());
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for (auto &m : o.members())
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if (m.ref() < 0)
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m.set_ref(BASE-m.ref());
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}
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};
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class ExportToWKTHandler : public osmium::handler::Handler {
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@ -33,7 +63,8 @@ public:
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}
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void way(const osmium::Way& way) {
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if (!way.is_closed() || !way.tags().get_value_by_key("area"))
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if (!way.nodes().empty()
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&& (!way.is_closed() || !way.tags().get_value_by_key("area")))
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print_geometry(way.tags(), m_factory.create_linestring(way));
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}
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@ -48,7 +79,6 @@ public:
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}
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private:
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void print_geometry(const osmium::TagList& tags, const std::string& wkt) {
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const char* scenario = tags.get_value_by_key("test:section");
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const char* id = tags.get_value_by_key("test:id");
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@ -68,28 +98,42 @@ int main(int argc, char* argv[]) {
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exit(1);
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}
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std::string input_filename {argv[1]};
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osmium::io::File input_file{argv[1]};
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osmium::area::ProblemReporterException problem_reporter;
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osmium::area::Assembler::config_type assembler_config(&problem_reporter);
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osmium::area::MultipolygonCollector<osmium::area::Assembler> collector(assembler_config);
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// need to sort the data first and make ids absolute
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std::cerr << "Read file...\n";
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osmium::io::Reader reader{input_file};
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std::vector<osmium::memory::Buffer> changes;
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osmium::ObjectPointerCollection objects;
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AbsoluteIdHandler abshandler;
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while (osmium::memory::Buffer buffer = reader.read()) {
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osmium::apply(buffer, abshandler, objects);
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changes.push_back(std::move(buffer));
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}
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reader.close();
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std::cerr << "Sort file...\n";
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objects.sort(osmium::object_order_type_id_version());
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osmium::area::Assembler::config_type assembler_config;
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osmium::area::MultipolygonManager<osmium::area::Assembler> mp_manager{assembler_config};
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std::cerr << "Pass 1...\n";
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osmium::io::Reader reader1(input_filename, osmium::osm_entity_bits::relation);
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collector.read_relations(reader1);
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std::cerr << "Pass 1 done\n";
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index_type index_pos;
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index_type index_neg;
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location_handler_type location_handler(index_pos, index_neg);
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ExportToWKTHandler export_handler;
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osmium::apply(objects.begin(), objects.end(), location_handler,
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export_handler, mp_manager);
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mp_manager.prepare_for_lookup();
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std::cerr << "Pass 1 done\n";
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std::cerr << "Pass 2...\n";
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ExportToWKTHandler export_handler;
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osmium::io::Reader reader2(input_filename);
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osmium::apply(reader2, location_handler, export_handler, collector.handler([&export_handler](osmium::memory::Buffer&& buffer) {
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osmium::apply(objects.cbegin(), objects.cend(), mp_manager.handler([&export_handler](osmium::memory::Buffer&& buffer) {
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osmium::apply(buffer, export_handler);
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}));
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reader2.close();
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export_handler.close();
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std::cerr << "Pass 2 done\n";
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}
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