Anda dapat menggunakan metode ComputeCustomRoutes
dalam permintaan dan respons HTTP
atau dengan bahasa apa pun yang mendukung gRPC, termasuk Java dan Go.
Contoh HTTP
Contoh berikut menunjukkan contoh permintaan dan respons curl.
Permintaan:
curl -X POST -d '{
"origin":{
"location":{
"latLng":{
"latitude":37.419734,
"longitude":-122.0827784
}
}
},
"destination":{
"location":{
"latLng":{
"latitude":37.417670,
"longitude":-122.079595
}
}
},
"travelMode":"DRIVE",
"routingPreference":"TRAFFIC_AWARE",
"routeObjective": {
"rateCard":{
"costPerMinute":{
"value":1.1
},
"costPerKm":{
"value":2.2
}
}
}
}' \
-H 'Content-Type: application/json' \
-H 'X-Goog-Api-Key: <YOUR_API_KEY>' \
-H 'X-Goog-FieldMask: routes.route.distanceMeters,routes.route.duration,routes.token,routes.route.travelAdvisory.tollInfo' \
'https://routespreferred.googleapis.com/v1alpha:computeCustomRoutes'
Respons:
{
"routes": [
{
"route": {
"distanceMeters": 987,
"duration": "247s",
"travelAdvisory": {
"tollInfo": {}
}
},
"token": "CocCCnYKCNOX2XMIWqf2EihazE0WzZ87txlU4F74nQiWxZpgRgOzf3TMHUm1sVpY4APnvf_BWoEYGibs64nuCxYcsQEXqQjaChCLGOkBHNseoyoAmAG1CxbkG58hEhJ4FiIBKkIJbwqHAz2qAhZfSgivvZI-AACAP3gBEAQaigEKhwEKLAohChYIAxISCgcQARiAwtcvEgcQAhiAhK9fEQAAAAAAAPA_EareoBH6vShAEg4IABADEAYYAkIEGgIIBRoGCgQIAhACIj8KNjIwMjAtMDYtMTB8MTI6NTY6MzcuODg3OTEzLTA3fDEwLjk5LjE5OS4xNnwtMTA3Mjc4OTI3MhCHwajvnhs"
}
]
}
Token rute di respons ComputeCustomRoutes
harus diteruskan
ke Navigation SDK untuk memulai sesi navigasi, yang akan mencoba
untuk mengikuti rute yang ditampilkan oleh Routes Preferred API.
Token rute tidak akan habis masa berlakunya, tetapi karena kondisi jalan yang dinamis, rute yang dibuat
dengan token tertentu mungkin berbeda dari rute aslinya. Kami sangat
sebaiknya gunakan token rute dalam beberapa menit setelah pembuatan token.
Untuk mengetahui informasi selengkapnya tentang token rute, lihat dokumentasi Navigation SDK for Android dan Navigation SDK for iOS:
Contoh Java dan Go
Contoh berikut menunjukkan cara memanggil metode ComputeCustomRoutes
dengan Java
atau Buka. Lihat respons
Java dan
GitHub Go
repositori untuk petunjuk build.
Java
package com.example; import com.google.maps.routes.v1.ComputeCustomRoutesRequest; import com.google.maps.routes.v1.ComputeCustomRoutesResponse; import com.google.maps.routes.v1.Location; import com.google.maps.routes.v1.PolylineQuality; import com.google.maps.routes.v1.RouteModifiers; import com.google.maps.routes.v1.RouteObjective; import com.google.maps.routes.v1.RouteObjective.RateCard; import com.google.maps.routes.v1.RouteObjective.RateCard.MonetaryCost; import com.google.maps.routes.v1.RouteTravelMode; import com.google.maps.routes.v1.RoutingPreference; import com.google.maps.routes.v1.Units; import com.google.maps.routes.v1.Waypoint; import com.google.maps.routes.v1alpha.RoutesAlphaGrpc; import com.google.type.LatLng; import io.grpc.CallOptions; import io.grpc.Channel; import io.grpc.ClientCall; import io.grpc.ClientInterceptor; import io.grpc.ClientInterceptors; import io.grpc.ForwardingClientCall; import io.grpc.Metadata; import io.grpc.MethodDescriptor; import io.grpc.StatusRuntimeException; import io.grpc.netty.NettyChannelBuilder; import java.util.concurrent.TimeUnit; import java.util.logging.Level; import java.util.logging.Logger; public class RoutesPreferredCustomRoutesClient { // For more detail on inserting API keys, see: // https://cloud.google.com/endpoints/docs/grpc/restricting-api-access-with-api-keys#java // For more detail on system parameters (such as FieldMask), see: // https://cloud.google.com/apis/docs/system-parameters private static final class RoutesPreferredInterceptor implements ClientInterceptor { private final String apiKey; private static final Logger logger = Logger.getLogger(RoutesPreferredInterceptor.class.getName()); private static Metadata.Key<String> API_KEY_HEADER = Metadata.Key.of("x-goog-api-key", Metadata.ASCII_STRING_MARSHALLER); private static Metadata.Key<String> FIELD_MASK_HEADER = Metadata.Key.of("x-goog-fieldmask", Metadata.ASCII_STRING_MARSHALLER); public RoutesPreferredInterceptor(String apiKey) { this.apiKey = apiKey; } @Override public <ReqT, RespT> ClientCall<ReqT, RespT> interceptCall( MethodDescriptor<ReqT, RespT> method, CallOptions callOptions, Channel next) { logger.info("Intercepted " + method.getFullMethodName()); ClientCall<ReqT, RespT> call = next.newCall(method, callOptions); call = new ForwardingClientCall.SimpleForwardingClientCall<ReqT, RespT>(call) { @Override public void start(Listener<RespT> responseListener, Metadata headers) { headers.put(API_KEY_HEADER, apiKey); // Note that setting the field mask to * is OK for testing, but discouraged in // production. For example, for ComputeCustomRoutes, set the field mask to // "routes.route.duration,routes.route.distanceMeters,routes.route.polyline" // in order to get the route distances, durations, and encoded polylines. headers.put(FIELD_MASK_HEADER, "*"); super.start(responseListener, headers); } }; return call; } } private static final Logger logger = Logger.getLogger(RoutesPreferredCustomRoutesClient.class.getName()); private final RoutesAlphaGrpc.RoutesAlphaBlockingStub blockingStub; public RoutesPreferredCustomRoutesClient(Channel channel) { blockingStub = RoutesAlphaGrpc.newBlockingStub(channel); } public static Waypoint createWaypointForLatLng(double lat, double lng) { return Waypoint.newBuilder() .setLocation( Location.newBuilder().setLatLng(LatLng.newBuilder().setLatitude(lat).setLongitude(lng))) .build(); } public void computeCustomRoutes() { ComputeCustomRoutesRequest request = ComputeCustomRoutesRequest.newBuilder() .setOrigin(createWaypointForLatLng(37.420761, -122.081356)) .setDestination(createWaypointForLatLng(37.420999, -122.086894)) .setRouteObjective( RouteObjective.newBuilder() .setRateCard( RateCard.newBuilder() .setCostPerMinute(MonetaryCost.newBuilder().setValue(1.1)))) .setTravelMode(RouteTravelMode.DRIVE) .setRoutingPreference(RoutingPreference.TRAFFIC_AWARE) .setUnits(Units.METRIC) .setLanguageCode("en-us") .setRouteModifiers( RouteModifiers.newBuilder() .setAvoidTolls(false) .setAvoidHighways(true) .setAvoidFerries(true)) .setPolylineQuality(PolylineQuality.OVERVIEW) .build(); ComputeCustomRoutesResponse response; try { logger.info("About to send request: " + request.toString()); response = blockingStub.withDeadlineAfter(2000, TimeUnit.MILLISECONDS).computeCustomRoutes(request); } catch (StatusRuntimeException e) { logger.log(Level.WARNING, "RPC failed: {0}", e.getStatus()); return; } logger.info("Response: " + response.toString()); } public static void main(String[] args) throws Exception { String apiKey = System.getenv("GOOGLE_MAPS_API_KEY"); // The standard TLS port is 443 Channel channel = NettyChannelBuilder.forAddress("routespreferred.googleapis.com", 443).build(); channel = ClientInterceptors.intercept(channel, new RoutesPreferredInterceptor(apiKey)); RoutesPreferredCustomRoutesClient client = new RoutesPreferredCustomRoutesClient(channel); client.computeCustomRoutes(); } }
Go
package main import ( "context" "crypto/tls" "log" "os" "time" "github.com/golang/protobuf/proto" v1 "google.golang.org/genproto/googleapis/maps/routes/v1" v1alpha "google.golang.org/genproto/googleapis/maps/routes/v1alpha" "google.golang.org/genproto/googleapis/type/latlng" "google.golang.org/grpc" "google.golang.org/grpc/credentials" "google.golang.org/grpc/metadata" ) const ( serverAddr = "routespreferred.googleapis.com:443" // Note that setting the field mask to * is OK for testing, but discouraged in // production. // For example, for ComputeRoutes, set the field mask to // "routes.distanceMeters,routes.duration,routes.polyline.encodedPolyline" // in order to get the route distances, durations, and encoded polylines. fieldMask = "*" ) func createWaypoint(lat float64, lng float64) *v1.Waypoint { return &v1.Waypoint{LocationType: &v1.Waypoint_Location{ Location: &v1.Location{ LatLng: &latlng.LatLng{Latitude: lat, Longitude: lng}, }, }} } func callComputeCustomRoutes(client v1alpha.RoutesAlphaClient, ctx *context.Context) { request := v1.ComputeCustomRoutesRequest{ Origin: createWaypoint(37.420761, -122.081356), Destination: createWaypoint(37.420999, -122.086894), RouteObjective: &v1.RouteObjective{ Objective: &v1.RouteObjective_RateCard_{ RateCard: &v1.RouteObjective_RateCard{ CostPerMinute: &v1.RouteObjective_RateCard_MonetaryCost{Value: 1.1}, }, }, }, TravelMode: v1.RouteTravelMode_DRIVE, RoutingPreference: v1.RoutingPreference_TRAFFIC_AWARE, Units: v1.Units_METRIC, LanguageCode: "en-us", RouteModifiers: &v1.RouteModifiers{ AvoidTolls: false, AvoidHighways: true, AvoidFerries: true, }, PolylineQuality: v1.PolylineQuality_OVERVIEW, } marshaler := proto.TextMarshaler{} log.Printf("Sending request: \n%s", marshaler.Text(&request)) result, err := client.ComputeCustomRoutes(*ctx, &request) if err != nil { log.Fatalf("Failed to call ComputeCustomRoutes: %v", err) } log.Printf("Result: %s", marshaler.Text(result)) } func main() { config := tls.Config{} conn, err := grpc.Dial(serverAddr, grpc.WithTransportCredentials(credentials.NewTLS(&config))) if err != nil { log.Fatalf("Failed to connect: %v", err) } defer conn.Close() client := v1alpha.NewRoutesAlphaClient(conn) ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second) ctx = metadata.AppendToOutgoingContext(ctx, "X-Goog-Api-Key", os.Getenv("GOOGLE_MAPS_API_KEY")) ctx = metadata.AppendToOutgoingContext(ctx, "X-Goog-Fieldmask", fieldMask) defer cancel() callComputeCustomRoutes(client, &ctx) }
Menghitung contoh tarif tol
Contoh berikut menggunakan
computeCustomRoutes
metode untuk mengembalikan informasi jalan tol pada suatu rute dengan
harga jika kartu tol digunakan.
Fitur ini diaktifkan dengan mask kolom routes.travelAdvisory.tollInfo
yang ditentukan dalam permintaan. Kartu tol ditentukan dalam route_modifiers
kolom tersebut. Tarif tol yang dikembalikan didasarkan pada harga yang digunakan oleh
kartu yang ditentukan. Jika lebih dari satu kartu ditentukan, biaya yang paling murah
harga ditampilkan.
Permintaan:
curl -X POST -d '{
"origin":{
"location":{
"latLng":{
"latitude":47.7020056,
"longitude":-122.3479236
}
}
},
"destination":{
"location":{
"latLng":{
"latitude":47.6192234,
"longitude": -122.1676792
}
}
},
"travelMode":"DRIVE",
"routingPreference": "TRAFFIC_AWARE_OPTIMAL",
"routeModifiers":{
"vehicleInfo":{
"emissionType": "GASOLINE"
},
"tollPasses": [
"US_MA_EZPASSMA",
"US_WA_GOOD_TO_GO"
]
},
"routeObjective":{
"rateCard":{
"costPerMinute":{
"value":2
},
"costPerKm":{
"value": 1
},
"includeTolls": true
}
}
}'\
-H 'Content-Type: application/json' \
-H 'X-Goog-Api-Key: <YOUR_API_KEY>' \
-H 'X-Goog-FieldMask: routes.route.duration,routes.route.distanceMeters,routes.route.travelAdvisory.tollInfo,routes.route.legs.travelAdvisory.tollInfo,fallbackInfo' \
'https://routespreferred.googleapis.com/v1alpha:computeCustomRoutes'
Respons:
{
"routes": [
{
"route": {
"legs": [
{
"travelAdvisory": {
"tollInfo": {
"estimatedPrice": [
{
"currencyCode": "USD",
"units": "2",
"nanos": 700000000
}
]
}
}
}
],
"distanceMeters": 22496,
"duration": "1391s",
"travelAdvisory": {
"tollInfo": {
"estimatedPrice": [
{
"currencyCode": "USD",
"units": "2",
"nanos": 700000000
}
]
}
}
]
}
Contoh berikut menggunakan metode computeCustomRoutes
untuk menampilkan informasi tol di rute tanpa estimasi harga.
Fitur ini juga diaktifkan dengan routes.travelAdvisory.tollInfo
mask kolom yang ditentukan dalam permintaan. Ini adalah perilaku yang diharapkan
API jika tarif tol tidak dapat diperkirakan pada saat permintaan.
Umumnya, keberadaan kolom tollInfo
dalam respons menunjukkan
bahwa ada tol pada rute tersebut.
Jika Anda menentukan include_tolls
dalam routeObjective
, tetapi Google tidak melakukannya
memiliki informasi tarif tol untuk rute tersebut, respons berisi
penggantian routeObjective
FALLBACK_RATECARD_WITHOUT_TOLL_PRICE_DATA.
Permintaan:
curl -X POST -d '{
"origin":{
"location":{
"latLng":{
"latitude":39.56227274,
"longitude":15.12008516
}
}
},
"destination":{
"location":{
"latLng":{
"latitude":39.56205718,
"longitude": 15.12250773
}
}
},
"travelMode":"DRIVE",
"routingPreference": "TRAFFIC_AWARE",
"routeObjective":{
"rateCard":{
"costPerMinute":{
"value":1
},
"costPerKm":{
"value": 1
},
"includeTolls": true
}
}
}' \
-H 'Content-Type: application/json' \
-H 'X-Goog-Api-Key: <YOUR_API_KEY>' \
-H 'X-Goog-FieldMask: routes.route.duration,routes.route.distanceMeters,routes.route.travelAdvisory.tollInfo,routes.route.legs.travelAdvisory.tollInfo.estimatedPrice,fallbackInfo' \
'https://routespreferred.googleapis.com/v1alpha:computeCustomRoutes'
Respons:
{
"routes": [
{
"route": {
"legs": [
{
"travelAdvisory": {
"tollInfo": {}
}
}
],
"distanceMeters": 101,
"duration": "10s",
"travelAdvisory": {
"tollInfo": {}
}
}
}
],
"fallbackInfo": {
"routeObjective": "FALLBACK_RATECARD_WITHOUT_TOLL_PRICE_DATA"
}
}