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Desenvolvedores do Espaço Econômico Europeu (EEE)
Por padrão, o método Compute Routes da API Routes calcula um trajeto por várias paradas, chamadas de waypoints de parada, na ordem em que você as fornece.
Você pode fazer com que a API Routes otimize o trajeto fornecido reorganizando as paradas em uma ordem mais eficiente. A otimização de waypoints otimiza o tempo de viagem, mas também considera outros fatores, como distância e número de curvas, ao decidir qual rota é a mais eficiente.
Para otimizar pontos de parada
Verifique se nenhum dos pontos de parada na rota tem via definido como true, por exemplo: {"address": "Clare,SA", "via": true}. Para mais informações sobre
pontos de parada intermediários, consulte
Especificar pontos de parada intermediários.
Verifique se routing_preference não está definido como TRAFFIC_AWARE_OPTIMAL.
Defina optimize_waypoint_order como true. Exemplo:
"optimizeWaypointOrder":"true",
Especifique o campo routes.optimizedIntermediateWaypointIndex na máscara de campo:
Entenda como a ordem dos pontos de referência é otimizada
Veja como a API Routes otimiza a ordem dos pontos de parada em um trajeto:
Indexa automaticamente os pontos de referência com base na ordem em que você os fornece na solicitação, começando com 0.
Otimiza a ordem dos waypoints usando os números de índice atribuídos a eles na solicitação.
Retorna a ordem otimizada dos waypoints no objeto routes, no campo waypoint_order, em routes.optimizedIntermediateWaypointIndex.
Exemplo
Essa solicitação pede a otimização de uma rota de Adelaide, na Austrália Meridional, para cada uma das principais regiões vinícolas da Austrália Meridional e, em seguida, o retorno a Adelaide.
[null,null,["Última atualização 2025-07-22 UTC."],[[["\u003cp\u003eThe Routes API's \u003ccode\u003eCompute Routes\u003c/code\u003e method can optimize the order of stops (waypoints) for greater efficiency by considering factors like travel time, distance, and turns.\u003c/p\u003e\n"],["\u003cp\u003eTo enable waypoint optimization, ensure no waypoints are marked as \u003ccode\u003evia\u003c/code\u003e, avoid using \u003ccode\u003eTRAFFIC_AWARE_OPTIMAL\u003c/code\u003e routing preference, and set \u003ccode\u003eoptimizeWaypointOrder\u003c/code\u003e to \u003ccode\u003etrue\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThe API indexes waypoints based on their order in the request, optimizes the order, and returns the optimized sequence in the \u003ccode\u003eoptimizedIntermediateWaypointIndex\u003c/code\u003e field.\u003c/p\u003e\n"],["\u003cp\u003eRequests with waypoint optimization are billed at a higher rate on the ComputeRoutes-Advanced SKU.\u003c/p\u003e\n"]]],["The Routes API can optimize the order of stopover waypoints to create a more efficient route. To enable this, set `optimize_waypoint_order` to `true`, ensure no waypoints have `via: true` and the `routing_preference` is not `TRAFFIC_AWARE_OPTIMAL`. The API indexes waypoints, optimizes their order based on factors like travel time and distance, and returns the optimized order in `routes.optimizedIntermediateWaypointIndex`. This optimization is billed at a higher rate.\n"],null,["# Optimize the order of stops on your route\n\n**European Economic Area (EEA) developers** If your billing address is in the European Economic Area, effective on 8 July 2025, the [Google Maps Platform EEA Terms of Service](https://cloud.google.com/terms/maps-platform/eea) will apply to your use of the Services. Functionality varies by region. [Learn more](/maps/comms/eea/faq).\n\nBy default, the Routes API `Compute Routes`\nmethod calculates a route through multiple stops, called stopover waypoints, in\nthe order that you provide them.\n\nYou can have the Routes API optimize the provided route by rearranging\nstops in a more efficient order. Waypoint optimization optimizes for travel\ntime but also considers other factors such as distance and number of turns when\ndeciding which route is the most efficient.\n\nTo optimize waypoints\n---------------------\n\n1. Make sure none of the waypoints in the route have `via` set to `true`, for\n example: `{\"address\": \"Clare,SA\", \"via\": true}`. For more information about\n intermediate waypoints, see\n [Specify intermediate waypoints](/maps/documentation/routes/intermed_waypoints).\n\n2. Make sure the `routing_preference` is not set to `TRAFFIC_AWARE_OPTIMAL`.\n\n3. Set `optimize_waypoint_order` to `true`. For example:\n\n ```json\n \"optimizeWaypointOrder\": \"true\",\n ```\n4. Specify the `routes.optimizedIntermediateWaypointIndex` field in the field\n mask:\n\n **REST** \n\n ```json\n -H X-Goog-FieldMask: routes.optimizedIntermediateWaypointIndex\n ```\n\n **RPC** \n\n ```gdscript\n const (fieldMask = \"routes.optimizedIntermediateWaypointIndex\")\n ```\n\n### Understand how waypoint order is optimized\n\nHere's how the Routes API optimizes the order of waypoints in a route:\n\n1. Automatically indexes the waypoints based on the order you provide\n them in the request, starting with 0.\n\n2. Optimizes the order of the waypoints using the index numbers it\n assigned to the waypoints in the request.\n\n3. Returns the optimized waypoint order in the `routes` object, in the\n `waypoint_order` field, under `routes.optimizedIntermediateWaypointIndex`.\n\n### Example\n\nThis request asks for optimization for a route from Adelaide, South Australia,\nto each of South Australia's main wine regions, and then returning to Adelaide. \n\n```json\ncurl -X POST -H 'content-type: application/json' -d ' {\n \"origin\": {\n \"address\": \"Adelaide,SA\"\n },\n \"destination\": {\n \"address\": \"Adelaide,SA\"\n },\n \"intermediates\": [\n {\"address\": \"Barossa+Valley,SA\"},\n {\"address\": \"Clare,SA\"},\n {\"address\": \"Coonawarra,SA\"},\n {\"address\": \"McLaren+Vale,SA\"}\n ],\n \"travelMode\": \"DRIVE\",\n \"optimizeWaypointOrder\": \"true\"\n }' \\\n-H 'Content-Type: application/json' \\\n-H 'X-Goog-Api-Key: YOUR_API_KEY' \\\n-H 'X-Goog-FieldMask: routes,geocodingResults.intermediates.intermediateWaypointRequestIndex' \\\n'https://routes.googleapis.com/directions/v2:computeRoutes'\n```\n\nThe Routes API indexes the intermediate waypoints provided in the\nrequest, starting at 0. For example: \n\n```json\n0 {\"address\": \"Barossa+Valley,SA\"},\n1 {\"address\": \"Clare,SA\"},\n2 {\"address\": \"Coonawarrav,SA\"},\n3 {\"address\": \"McLaren+Vale,SA\"}\n```\n\nUsing the index numbers for the four waypoints provided in the request, the\nservice then returns the optimized order: \n\n```json\n\"optimizedIntermediateWaypointIndex\": [\n 3,\n 2,\n 0,\n 1\n ]\n```\n| **Caution:** Requests using waypoint optimization are billed at a higher rate on the SKU for Compute Routes Pro. For more details, see [SKU: Routes: Compute Routes Pro](/maps/documentation/routes/usage-and-billing#compute-routes-pro-sku)."]]