1// Copyright 2022 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.routes.v1; 18 19import "google/protobuf/struct.proto"; 20 21option cc_enable_arenas = true; 22option csharp_namespace = "Google.Maps.Routes.V1"; 23option go_package = "cloud.google.com/go/maps/routes/apiv1/routespb;routespb"; 24option java_multiple_files = true; 25option java_outer_classname = "PolylineProto"; 26option java_package = "com.google.maps.routes.v1"; 27option objc_class_prefix = "GMRS"; 28option php_namespace = "Google\\Maps\\Routes\\V1"; 29 30// Encapsulates an encoded polyline. 31message Polyline { 32 // Encapsulates the type of polyline. Defaults to encoded_polyline. 33 oneof polyline_type { 34 // The string encoding of the polyline using the [polyline encoding 35 // algorithm](https://developers.google.com/maps/documentation/utilities/polylinealgorithm) 36 string encoded_polyline = 1; 37 38 // Specifies a polyline using the [GeoJSON LineString 39 // format](https://tools.ietf.org/html/rfc7946#section-3.1.4) 40 google.protobuf.Struct geo_json_linestring = 2; 41 } 42} 43 44// A set of values that specify the quality of the polyline. 45enum PolylineQuality { 46 // No polyline quality preference specified. Defaults to `OVERVIEW`. 47 POLYLINE_QUALITY_UNSPECIFIED = 0; 48 49 // Specifies a high-quality polyline - which is composed using more points 50 // than `OVERVIEW`, at the cost of increased response size. Use this value 51 // when you need more precision. 52 HIGH_QUALITY = 1; 53 54 // Specifies an overview polyline - which is composed using a small number of 55 // points. Use this value when displaying an overview of the route. Using this 56 // option has a lower request latency compared to using the 57 // `HIGH_QUALITY` option. 58 OVERVIEW = 2; 59} 60 61// Specifies the preferred type of polyline to be returned. 62enum PolylineEncoding { 63 // No polyline type preference specified. Defaults to `ENCODED_POLYLINE`. 64 POLYLINE_ENCODING_UNSPECIFIED = 0; 65 66 // Specifies a polyline encoded using the [polyline encoding 67 // algorithm](https://developers.google.com/maps/documentation/utilities/polylinealgorithm). 68 ENCODED_POLYLINE = 1; 69 70 // Specifies a polyline using the [GeoJSON LineString 71 // format](https://tools.ietf.org/html/rfc7946#section-3.1.4) 72 GEO_JSON_LINESTRING = 2; 73} 74