أمثلة على مصفوفة المسار

هذا المنتج أو الميزة قيد الإصدار التجريبي (قبل طرحه للجميع). قد يكون هناك دعم محدود للمنتجات والميزات المتوفّرة في مرحلة ما قبل التوفّر للجمهور العام، وقد تؤدي التغييرات على المنتجات الميزات الجديدة في الإصدارات الأخرى لمرحلة ما قبل التوفّر للجمهور العام. تخضع "عروض مرحلة ما قبل الإطلاق" للبنود الخاصة بخدمة "منصّة خرائط Google". لمزيد من المعلومات، يُرجى الاطّلاع على أوصاف مرحلة الإطلاق .

يمكنك استخدام طريقة ComputeRouteMatrix مع طلب HTTP واستجابته أو مع أي لغة متوافقة مع gRPC، بما في ذلك Java وGo.

أمثلة على HTTP

يعرض المثال التالي طلب HTTP ورده.

الطلب:

curl -X POST -d '{
"origins": [
{
"waypoint": { "location": { "latLng": {
"latitude": 37.420761,
"longitude": -122.081356,
}}},
"routeModifiers": { "avoidFerries": true}
},
{
"waypoint": { "location": { "latLng": {
"latitude": 37.403184,
"longitude": -122.097371,
}}},
"routeModifiers": { "avoidFerries": true}
}
],
"destinations": [
{
"waypoint": { "location": { "latLng": {
"latitude": 37.420999,
"longitude": -122.086894,
}}}
},
{
"waypoint": { "location": { "latLng": {
"latitude": 37.383047,
"longitude": -122.044651,
}}}
}
],
"travelMode": "DRIVE",
"routingPreference": "TRAFFIC_AWARE"
}' -H 'Content-Type: application/json' -H 'X-Goog-Api-Key: <YOUR_API_KEY>' -H 'X-Goog-FieldMask: originIndex,destinationIndex,duration,distanceMeters,status' 'https://routespreferred.googleapis.com/v1alpha:computeRouteMatrix'

الردّ:

[{
  "status": {},
  "distanceMeters": 827,
  "duration": "139s"
}
,
{
  "originIndex": 1,
  "destinationIndex": 1,
  "status": {},
  "distanceMeters": 5597,
  "duration": "383s"
}
,
{
  "originIndex": 1,
  "status": {},
  "distanceMeters": 2926,
  "duration": "316s"
}
,
{
  "destinationIndex": 1,
  "status": {},
  "distanceMeters": 8602,
  "duration": "613s"
}
]

يعرض المثال التالي طلب HTTP والاستجابة ComputeRouteMatrix. لحساب السعر التقديري لرسوم العبور.

الطلب:

curl -X POST -d '{
"origins": [
{
"waypoint": { "location": { "latLng": {
        "latitude":47.7020056,
        "longitude":-122.3479236,
}}},
"routeModifiers": {
"vehicleInfo":{
      "emissionType": "GASOLINE"
    },
    "tollPasses": [
      "US_MA_EZPASSMA",
      "US_WA_GOOD_TO_GO"
    ]
}
}],
"destinations": [
{
"waypoint": { "location": { "latLng": {
        "latitude":47.6192234,
        "longitude": -122.1676792
}}}
}],
"travelMode": "DRIVE",
"routingPreference": "TRAFFIC_AWARE"
}' -H 'Content-Type: application/json' -H 'X-Goog-Api-Key: <YOUR_API_KEY>' -H 'X-Goog-FieldMask: originIndex,destinationIndex,travelAdvisory,duration,distanceMeters,status' 'https://routespreferred.googleapis.com/v1alpha:computeRouteMatrix'

الرد:

[{
  "status": {},
  "distanceMeters": 22498,
  "duration": "1251s",
  "travelAdvisory": {
    "tollInfo": {
      "estimatedPrice": [
        {
          "currencyCode": "USD",
          "units": "2",
          "nanos": 700000000
        }
      ]
    }
  }
}
]

أمثلة على Java وGo

توضِّح الأمثلة التالية كيفية استدعاء طريقة ComputeRouteMatrix باستخدام Java أو انتقال. اطّلِع على النتائج Java Go GitHub مستودعات لتعليمات الإنشاء.

Java

package com.example;

import com.google.maps.routes.v1.*;
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.Iterator;
import java.util.concurrent.TimeUnit;
import java.util.logging.Level;
import java.util.logging.Logger;

public class RoutesPreferredClient {
    // 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 ComputeRoutes, set the field mask to
                    // "routes.distanceMeters,routes.duration,routes.polyline.encodedPolyline"
                    // 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(RoutesPreferredClient.class.getName());
    private final RoutesPreferredGrpc.RoutesPreferredBlockingStub blockingStub;

    public RoutesPreferredClient(Channel channel) {
        blockingStub = RoutesPreferredGrpc.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 computeRoutes() {
        ComputeRoutesRequest request = ComputeRoutesRequest.newBuilder()
                .setOrigin(createWaypointForLatLng(37.420761, -122.081356))
                .setDestination(createWaypointForLatLng(37.420999, -122.086894)).setTravelMode(RouteTravelMode.DRIVE)
                .setRoutingPreference(RoutingPreference.TRAFFIC_AWARE).setComputeAlternativeRoutes(true)
                .setUnits(Units.METRIC).setLanguageCode("en-us")
                .setRouteModifiers(
                        RouteModifiers.newBuilder().setAvoidTolls(false).setAvoidHighways(true).setAvoidFerries(true))
                .setPolylineQuality(PolylineQuality.OVERVIEW).build();
        ComputeRoutesResponse response;
        try {
            logger.info("About to send request: " + request.toString());
            response = blockingStub.withDeadlineAfter(2000, TimeUnit.MILLISECONDS).computeRoutes(request);
        } catch (StatusRuntimeException e) {
            logger.log(Level.WARNING, "RPC failed: {0}", e.getStatus());
            return;
        }
        logger.info("Response: " + response.toString());
    }

    public void computeRouteMatrix() {
        ComputeRouteMatrixRequest request = ComputeRouteMatrixRequest.newBuilder()
                .addOrigins(RouteMatrixOrigin.newBuilder().setWaypoint(createWaypointForLatLng(37.420761, -122.081356))
                        .setRouteModifiers(RouteModifiers.newBuilder().setAvoidTolls(false).setAvoidHighways(true)
                                .setAvoidFerries(true)))
                .addOrigins(RouteMatrixOrigin.newBuilder().setWaypoint(createWaypointForLatLng(37.403184, -122.097371)))
                .addDestinations(RouteMatrixDestination.newBuilder()
                        .setWaypoint(createWaypointForLatLng(37.420999, -122.086894)))
                .addDestinations(RouteMatrixDestination.newBuilder()
                        .setWaypoint(createWaypointForLatLng(37.383047, -122.044651)))
                .setTravelMode(RouteTravelMode.DRIVE).setRoutingPreference(RoutingPreference.TRAFFIC_AWARE).build();
        Iterator<RouteMatrixElement> elements;
        try {
            logger.info("About to send request: " + request.toString());
            elements = blockingStub.withDeadlineAfter(2000, TimeUnit.MILLISECONDS).computeRouteMatrix(request);
        } catch (StatusRuntimeException e) {
            logger.log(Level.WARNING, "RPC failed: {0}", e.getStatus());
            return;
        }

        while (elements.hasNext()) {
            logger.info("Element response: " + elements.next().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));

        RoutesPreferredClient client = new RoutesPreferredClient(channel);
        client.computeRoutes();
        client.computeRouteMatrix();
    }
}
RoutesPreferredClient.java
  

البدء

package main

import (
	"context"
	"crypto/tls"
	"io"
	"log"
	"os"
	"time"

	"github.com/golang/protobuf/proto"
	v1 "google.golang.org/genproto/googleapis/maps/routes/v1"
	"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 callComputeRoutes(client v1.RoutesPreferredClient, ctx *context.Context) {
	request := v1.ComputeRoutesRequest{
		Origin:                   createWaypoint(37.420761, -122.081356),
		Destination:              createWaypoint(37.420999, -122.086894),
		TravelMode:               v1.RouteTravelMode_DRIVE,
		RoutingPreference:        v1.RoutingPreference_TRAFFIC_AWARE,
		ComputeAlternativeRoutes: true,
		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.ComputeRoutes(*ctx, &request)

	if err != nil {
		log.Fatalf("Failed to call ComputeRoutes: %v", err)
	}
	log.Printf("Result: %s", marshaler.Text(result))
}

func callComputeRouteMatrix(client v1.RoutesPreferredClient, ctx *context.Context) {
	request := v1.ComputeRouteMatrixRequest{
		Origins: []*v1.RouteMatrixOrigin{
			{Waypoint: createWaypoint(37.420761, -122.081356), RouteModifiers: &v1.RouteModifiers{
				AvoidTolls:    false,
				AvoidHighways: true,
				AvoidFerries:  true,
			}},
			{Waypoint: createWaypoint(37.403184, -122.097371)},
		},
		Destinations: []*v1.RouteMatrixDestination{
			{Waypoint: createWaypoint(37.420999, -122.086894)},
			{Waypoint: createWaypoint(37.383047, -122.044651)},
		},
		TravelMode:        v1.RouteTravelMode_DRIVE,
		RoutingPreference: v1.RoutingPreference_TRAFFIC_AWARE,
	}
	marshaler := proto.TextMarshaler{}
	log.Printf("Sending request: \n%s", marshaler.Text(&request))
	stream, err := client.ComputeRouteMatrix(*ctx, &request)

	if err != nil {
		log.Fatalf("Failed to call ComputeRouteMatrix: %v", err)
	}
	for {
		element, err := stream.Recv()
		if err == io.EOF {
			break
		}
		if err != nil {
			log.Fatalf("Received error in ComputeRouteMatrix stream: %v", err)
		}
		log.Printf("Element: %s\n", marshaler.Text(element))
	}
}

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 := v1.NewRoutesPreferredClient(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()

	callComputeRoutes(client, &ctx)
	callComputeRouteMatrix(client, &ctx)
}
client.go
  

مثال على احتساب رسوم الطرق السريعة

يستخدِم المثال التالي الإجراء computeRouteMatrix لعرض معلومات الرسوم على مسار مع تحديد السعر المقدَّر عند استخدام بطاقة رسوم.

تم تفعيل هذه الميزة باستخدام قناع الحقل routes.travelAdvisory.tollInfo. المحددة في الطلب. يتم تحديد بطاقة المرور في حقل route_modifiers . يستند سعر رسوم العبور الذي يتم إرجاعه إلى السعر المُستخدم من قِبل محددة. في حال تحديد أكثر من بطاقة واحدة، يتم عرض أقل سعر.

الطلب:

curl -X POST -d '{
"origins": [
{
"waypoint": { "location": { "latLng": {
        "latitude":47.7020056,
        "longitude":-122.3479236,
}}},
"routeModifiers": {
"vehicleInfo":{
      "emissionType": "GASOLINE"
    },
    "tollPasses": [
      "US_MA_EZPASSMA",
      "US_WA_GOOD_TO_GO"
    ]
}
}],
"destinations": [
{
"waypoint": { "location": { "latLng": {
        "latitude":47.6192234,
        "longitude": -122.1676792
}}}
}],
"travelMode": "DRIVE",
"routingPreference": "TRAFFIC_AWARE"
}' \
-H 'Content-Type: application/json'  \
-H 'X-Goog-Api-Key: <YOUR_API_KEY>'  \
-H 'X-Goog-FieldMask: originIndex,destinationIndex,travelAdvisory,duration,distanceMeters,status' 'https://routespreferred.googleapis.com/v1alpha:computeRouteMatrix'

الردّ:

ملاحظة: توفّر واجهة برمجة التطبيقات Routes Preferred API estimatedPrice ينطبق على المركبات غير التجارية.

• قد تختلف أسعار رسوم العبور للمركبات التجارية.
• يتم حذف units وnanos عندما تكون قيمتهما صفرًا.

[{
  "status": {},
  "distanceMeters": 22495,
  "duration": "1446s",
  "travelAdvisory": {
    "tollInfo": {
      "estimatedPrice": [
        {
          "currencyCode": "USD",
          "units": "4",
          "nanos": 300000000
        }
      ]
    }
  }
}]