Bibliothèques clientes de l'API Routes

Java

Pour en savoir plus, consultez la page Configurer un environnement de développement Java.

Pour obtenir les instructions d'installation, consultez la page Client de l'API Google Routes pour Java.

Go

go get cloud.google.com/go/maps

Pour obtenir les instructions d'installation, consultez la page Client de l'API Google Routes pour Go.

Node.js

npm install @googlemaps/routing

Pour obtenir les instructions d'installation complètes, consultez la page Client de l'API Google Routes pour Node.js.

Python

Pour en savoir plus, consultez la page Configurer un environnement de développement Python.

Pour obtenir les instructions d'installation complètes, consultez la page Client de l'API Google Routes pour Python.

.NET

Pour en savoir plus, consultez la page Configurer un environnement de développement .Net.

Pour obtenir les instructions d'installation complètes, consultez la page Google Routes API Client for .Net.

Java

Exemple de calcul de routes:

import com.google.maps.routing.v2.*;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
   
public class Main {
  public static void main(String[] arguments) throws IOException {
      RoutesSettings routesSettings = RoutesSettings.newBuilder()
              .setHeaderProvider(() -> {
                  Map<String, String> headers = new HashMap<>();
                  headers.put("X-Goog-FieldMask", "*");
                  return headers;
              }).build();
      RoutesClient routesClient = RoutesClient.create(routesSettings);
       
      ComputeRoutesResponse response = routesClient.computeRoutes(ComputeRoutesRequest.newBuilder()
              .setOrigin(Waypoint.newBuilder().setPlaceId("ChIJeRpOeF67j4AR9ydy_PIzPuM").build())
              .setDestination(Waypoint.newBuilder().setPlaceId("ChIJG3kh4hq6j4AR_XuFQnV0_t8").build())
              .setRoutingPreference(RoutingPreference.TRAFFIC_AWARE)
              .setTravelMode(RouteTravelMode.DRIVE).build());
      System.out.println("Response: " + response.toString());
  }
}

Exemple de matrice de routage:

import com.google.api.gax.rpc.ServerStream;
import com.google.api.gax.rpc.ServerStreamingCallable;
import com.google.maps.routing.v2.*;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
   
public class Main {
  public static void main(String[] arguments) throws IOException {
      RoutesSettings routesSettings = RoutesSettings.newBuilder()
              .setHeaderProvider(() -> {
                  Map<String, String> headers = new HashMap<>();
                  headers.put("X-Goog-FieldMask", "*");
                  return headers;
              }).build();
      RoutesClient routesClient = RoutesClient.create(routesSettings);
       
      ServerStreamingCallable<ComputeRouteMatrixRequest, RouteMatrixElement> computeRouteMatrix = routesClient.computeRouteMatrixCallable();
      ServerStream<RouteMatrixElement> stream = computeRouteMatrix.call(ComputeRouteMatrixRequest.newBuilder()
              .addOrigins(RouteMatrixOrigin.newBuilder()
                      .setWaypoint(Waypoint.newBuilder().
                              setPlaceId("ChIJeRpOeF67j4AR9ydy_PIzPuM").build()))
              .addDestinations(RouteMatrixDestination.newBuilder()
                      .setWaypoint(Waypoint.newBuilder().setPlaceId("ChIJG3kh4hq6j4AR_XuFQnV0_t8").build())
                      .build()).setTravelMode(RouteTravelMode.DRIVE)
              .build());
      for (RouteMatrixElement element : stream) {
          System.out.println("Response : " + element.toString());
      }
  }
}

Go

Exemple de calcul de routes:

import (
  "context"
  "fmt"
  "io"
  "os"
     
  routing "cloud.google.com/go/maps/routing/apiv2"
  "cloud.google.com/go/maps/routing/apiv2/routingpb"
  "google.golang.org/grpc/metadata"
)
   
func main() {
  ctx := context.Background()
  client, err := routing.NewRoutesClient(ctx)
  if err != nil {
    fmt.Fprintf(os.Stderr, "error: %v\n", err)
    os.Exit(1)
  }
     
  computeRoutesReq := routingpb.ComputeRoutesRequest{
    Origin: &routingpb.Waypoint{
      LocationType: &routingpb.Waypoint_PlaceId{
        PlaceId: "ChIJeRpOeF67j4AR9ydy_PIzPuM",
      },
    },
    Destination: &routingpb.Waypoint{
      LocationType: &routingpb.Waypoint_PlaceId{
        PlaceId: "ChIJG3kh4hq6j4AR_XuFQnV0_t8",
      },
    },
    RoutingPreference: routingpb.RoutingPreference_TRAFFIC_AWARE,
    TravelMode:        routingpb.RouteTravelMode_DRIVE,
  }
  ctx = metadata.AppendToOutgoingContext(ctx, "X-Goog-FieldMask", "*")
  computeRoutesResponse, err := client.ComputeRoutes(ctx, &computeRoutesReq)
  if err != nil {
    fmt.Fprintf(os.Stderr, "error: %v\n", err)
    os.Exit(1)
  }
  fmt.Fprintf(os.Stdout, "response: %v\n", computeRoutesResponse)
}

Exemple de matrice de routage:

import (
  "context"
  "fmt"
  "io"
  "os"
     
  routing "cloud.google.com/go/maps/routing/apiv2"
  "cloud.google.com/go/maps/routing/apiv2/routingpb"
  "google.golang.org/grpc/metadata"
)
   
func main() {
  ctx := context.Background()
  client, err := routing.NewRoutesClient(ctx)
  if err != nil {
    fmt.Printf("error: %v\n", err)
    os.Exit(1)
  }
     
  computeRouteMatrixReq := routingpb.ComputeRouteMatrixRequest{
    Origins: []*routingpb.RouteMatrixOrigin{
      {
        Waypoint: &routingpb.Waypoint{
          LocationType: &routingpb.Waypoint_PlaceId{
            PlaceId: "ChIJeRpOeF67j4AR9ydy_PIzPuM",
          },
        },
      },
    },
    Destinations: []*routingpb.RouteMatrixDestination{
      {
        Waypoint: &routingpb.Waypoint{
          LocationType: &routingpb.Waypoint_PlaceId{
            PlaceId: "ChIJG3kh4hq6j4AR_XuFQnV0_t8",
          },
        },
      },
    },
    TravelMode: routingpb.RouteTravelMode_DRIVE,
  }
  ctx = metadata.AppendToOutgoingContext(ctx, "X-Goog-FieldMask", "*")
  stream, err := client.ComputeRouteMatrix(ctx, &computeRouteMatrixReq)
  if err != nil {
    fmt.Fprintf(os.Stderr, "error: %v\n", err)
    os.Exit(1)
  }
  for {
    element, err := stream.Recv()
    if err == io.EOF {
      break
    }
    if err != nil {
      fmt.Fprintf(os.Stderr, "error: %v\n", err)
      os.Exit(1)
    }
    fmt.Fprintf(os.Stdout, "element: %v\n", element)
  }
}

Node.js

Exemple de calcul de routes:

// Imports the Routing library
const { RoutesClient } = require("@googlemaps/routing").v2;
const origin = {
  location: {
    latLng: {
      latitude: 37.419734,
      longitude: -122.0827784,
    },
  },
};
const destination = {
  location: {
    latLng: {
      latitude: 37.41767,
      longitude: -122.079595,
    },
  },
};
// Instantiates a client
const routingClient = new RoutesClient();
async function callComputeRoutes() {
  const request = {
    origin,
    destination,
  };
  // Run request
  const response = await routingClient.computeRoutes(request, {
    otherArgs: {
      headers: {
        "X-Goog-FieldMask":
          "routes.duration,routes.distanceMeters,routes.polyline.encodedPolyline",
      },
    },
  });
  console.log(response);
}
callComputeRoutes();

Exemple Compute Route Matrix:

// Imports the Routing library
const { RoutesClient } = require("@googlemaps/routing").v2;
const origins = [
  {
    waypoint: {
      location: {
        latLng: {
          latitude: 37.420761,
          longitude: -122.081356,
        },
      },
    },
  },
  {
    waypoint: {
      location: {
        latLng: {
          latitude: 37.403184,
          longitude: -122.097371,
        },
      },
    },
  },
];
const destinations = [
  {
    waypoint: {
      location: {
        latLng: {
          latitude: 37.420999,
          longitude: -122.086894,
        },
      },
    },
  },
  {
    waypoint: {
      location: {
        latLng: {
          latitude: 37.383047,
          longitude: -122.044651,
        },
      },
    },
  },
];
// Instantiates a client
const routingClient = new RoutesClient();
async function callComputeRouteMatrix() {
  // Construct request
  const request = {
    origins,
    destinations,
  };
  // Run request
  const stream = await routingClient.computeRouteMatrix(request, {
    otherArgs: {
      headers: {
        "X-Goog-FieldMask": "*",
      },
    },
  });
  stream.on("data", (response) => {
    console.log(response);
  });
  stream.on("error", (err) => {
    throw err;
  });
  stream.on("end", () => {
    /* API call completed */
  });
}
callComputeRouteMatrix();

Python

# This snippet has been automatically generated and should be regarded as a
# code template only.
# It will require modifications to work:
# - It may require correct/in-range values for request initialization.
# - It may require specifying regional endpoints when creating the service
#   client as shown in:
#   https://googleapis.dev/python/google-api-core/latest/client_options.html
from google.maps import routing_v2


async def sample_compute_routes():
    # Create a client
    client = routing_v2.RoutesAsyncClient()

    # Initialize request argument(s)
    request = routing_v2.ComputeRoutesRequest(
    )

    # Make the request
    response = await client.compute_routes(request=request)

    # Handle the response
    print(response)

.NET

using Google.Maps.Routing.V2;
using Google.Protobuf.WellKnownTypes;
using System.Threading.Tasks;

public sealed partial class GeneratedRoutesClientSnippets
{
    /// <summary>Snippet for ComputeRoutesAsync</summary>
    /// <remarks>
    /// This snippet has been automatically generated and should be regarded as a code template only.
    /// It will require modifications to work:
    /// - It may require correct/in-range values for request initialization.
    /// - It may require specifying regional endpoints when creating the service client as shown in
    ///   https://cloud.google.com/dotnet/docs/reference/help/client-configuration#endpoint.
    /// </remarks>
    public async Task ComputeRoutesRequestObjectAsync()
    {
        // Create client
        RoutesClient routesClient = await RoutesClient.CreateAsync();
        // Initialize request argument(s)
        ComputeRoutesRequest request = new ComputeRoutesRequest
        {
            Origin = new Waypoint(),
            Destination = new Waypoint(),
            Intermediates = { new Waypoint(), },
            TravelMode = RouteTravelMode.TravelModeUnspecified,
            RoutingPreference = RoutingPreference.Unspecified,
            PolylineQuality = PolylineQuality.Unspecified,
            DepartureTime = new Timestamp(),
            ComputeAlternativeRoutes = false,
            RouteModifiers = new RouteModifiers(),
            LanguageCode = "",
            Units = Units.Unspecified,
            PolylineEncoding = PolylineEncoding.Unspecified,
            OptimizeWaypointOrder = false,
            RequestedReferenceRoutes =
            {
                ComputeRoutesRequest.Types.ReferenceRoute.Unspecified,
            },
            ExtraComputations =
            {
                ComputeRoutesRequest.Types.ExtraComputation.Unspecified,
            },
            RegionCode = "",
            TrafficModel = TrafficModel.Unspecified,
            ArrivalTime = new Timestamp(),
            TransitPreferences = new TransitPreferences(),
        };
        // Make the request
        ComputeRoutesResponse response = await routesClient.ComputeRoutesAsync(request);
    }
}

Java

• Code source
• Outil de suivi des problèmes GitHub
• Stack Overflow

Go

• Code source
• Documentation du package
• Outil de suivi des problèmes GitHub
• Stack Overflow

Node.js

• Code source
• Outil de suivi des problèmes GitHub
• Stack Overflow

Python

• Code source
• Outil de suivi des problèmes GitHub
• Stack Overflow

.NET

• Code source
• Outil de suivi des problèmes GitHub
• Stack Overflow