1// Copyright 2023 Google LLC 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// http://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS, 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12// See the License for the specific language governing permissions and 13// limitations under the License. 14 15syntax = "proto3"; 16 17package google.maps.routing.v2; 18 19import "google/protobuf/struct.proto"; 20 21option cc_enable_arenas = true; 22option csharp_namespace = "Google.Maps.Routing.V2"; 23option go_package = "cloud.google.com/go/maps/routing/apiv2/routingpb;routingpb"; 24option java_multiple_files = true; 25option java_outer_classname = "PolylineProto"; 26option java_package = "com.google.maps.routing.v2"; 27option objc_class_prefix = "GMRV2"; 28option php_namespace = "Google\\Maps\\Routing\\V2"; 29option ruby_package = "Google::Maps::Routing::V2"; 30 31// Encapsulates an encoded polyline. 32message Polyline { 33 // Encapsulates the type of polyline. Defaults to encoded_polyline. 34 oneof polyline_type { 35 // The string encoding of the polyline using the [polyline encoding 36 // algorithm](https://developers.google.com/maps/documentation/utilities/polylinealgorithm) 37 string encoded_polyline = 1; 38 39 // Specifies a polyline using the [GeoJSON LineString 40 // format](https://tools.ietf.org/html/rfc7946#section-3.1.4). 41 google.protobuf.Struct geo_json_linestring = 2; 42 } 43} 44 45// A set of values that specify the quality of the polyline. 46enum PolylineQuality { 47 // No polyline quality preference specified. Defaults to `OVERVIEW`. 48 POLYLINE_QUALITY_UNSPECIFIED = 0; 49 50 // Specifies a high-quality polyline - which is composed using more points 51 // than `OVERVIEW`, at the cost of increased response size. Use this value 52 // when you need more precision. 53 HIGH_QUALITY = 1; 54 55 // Specifies an overview polyline - which is composed using a small number of 56 // points. Use this value when displaying an overview of the route. Using this 57 // option has a lower request latency compared to using the 58 // `HIGH_QUALITY` option. 59 OVERVIEW = 2; 60} 61 62// Specifies the preferred type of polyline to be returned. 63enum PolylineEncoding { 64 // No polyline type preference specified. Defaults to `ENCODED_POLYLINE`. 65 POLYLINE_ENCODING_UNSPECIFIED = 0; 66 67 // Specifies a polyline encoded using the [polyline encoding 68 // algorithm](/maps/documentation/utilities/polylinealgorithm). 69 ENCODED_POLYLINE = 1; 70 71 // Specifies a polyline using the [GeoJSON LineString 72 // format](https://tools.ietf.org/html/rfc7946#section-3.1.4) 73 GEO_JSON_LINESTRING = 2; 74} 75