2351b5a084
Build with
cmake .. -DCMAKE_BUILD_TYPE=Release -DENABLE_NODE_BINDINGS=On -DENABLE_MASON=On
82 lines
2.6 KiB
C++
82 lines
2.6 KiB
C++
#include "osrm/match_parameters.hpp"
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#include "osrm/nearest_parameters.hpp"
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#include "osrm/route_parameters.hpp"
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#include "osrm/table_parameters.hpp"
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#include "osrm/trip_parameters.hpp"
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#include "osrm/coordinate.hpp"
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#include "osrm/engine_config.hpp"
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#include "osrm/json_container.hpp"
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#include "osrm/osrm.hpp"
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#include "osrm/status.hpp"
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#include <exception>
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#include <iostream>
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#include <string>
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#include <utility>
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#include <cstdlib>
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int main(int argc, const char *argv[])
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{
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if (argc < 2)
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{
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std::cerr << "Usage: " << argv[0] << " data.osrm\n";
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return EXIT_FAILURE;
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}
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using namespace osrm;
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// Configure based on a .osrm base path, and no datasets in shared mem from osrm-datastore
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EngineConfig config;
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config.storage_config = {argv[1]};
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config.use_shared_memory = false;
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// Routing machine with several services (such as Route, Table, Nearest, Trip, Match)
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const OSRM osrm{config};
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// The following shows how to use the Route service; configure this service
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RouteParameters params;
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// Route in Berlin: Alexanderplatz to Hackescher Markt
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params.coordinates.push_back({util::FloatLongitude{13.414307}, util::FloatLatitude{52.521835}});
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params.coordinates.push_back({util::FloatLongitude{13.402290}, util::FloatLatitude{52.523728}});
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// Response is in JSON format
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json::Object result;
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// Execute routing request, this does the heavy lifting
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const auto status = osrm.Route(params, result);
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if (status == Status::Ok)
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{
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auto &routes = result.values["routes"].get<json::Array>();
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// Let's just use the first route
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auto &route = routes.values.at(0).get<json::Object>();
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const auto distance = route.values["distance"].get<json::Number>().value;
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const auto duration = route.values["duration"].get<json::Number>().value;
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// Warn users if extract does not contain the default Berlin coordinates from above
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if (distance == 0 || duration == 0)
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{
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std::cout << "Note: distance or duration is zero. ";
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std::cout << "You are probably doing a query outside of the OSM extract.\n\n";
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}
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std::cout << "Distance: " << distance << " meter\n";
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std::cout << "Duration: " << duration << " seconds\n";
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return EXIT_SUCCESS;
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}
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else if (status == Status::Error)
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{
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const auto code = result.values["code"].get<json::String>().value;
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const auto message = result.values["message"].get<json::String>().value;
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std::cout << "Code: " << code << "\n";
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std::cout << "Message: " << code << "\n";
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return EXIT_FAILURE;
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}
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}
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