Personalizar polilinhas do trajeto
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Este documento explica como personalizar polilinhas de rotas para o mapa usado no
app de rastreamento de trajetos baseado na Web para usuários finais e operadores de frota.
Com o SDK do consumidor, é possível controlar a visibilidade da polilinha de rota ou estilizar a
polilinha de rota para o trajeto de uma viagem no mapa. O SDK cria um objeto google.maps.Polyline
para cada par de coordenadas no trajeto ativo ou restante da viagem. A biblioteca aplica essas personalizações em duas situações:
- antes de adicionar os objetos ao mapa
- quando os dados usados para os objetos mudarem
Estilizar polilinhas de rotas
Assim como é possível estilizar marcadores, você estiliza polilinhas de rotas usando parâmetros de personalização. Em seguida, configure o estilo usando uma das seguintes abordagens:
- Mais simples: use
PolylineOptions
para aplicar a todos os objetos Polyline
correspondentes quando eles forem criados ou atualizados.
- Avançado: especifique uma função de personalização.
As funções de personalização permitem o estilo individual dos objetos com base nos dados enviados pelo Fleet Engine. A função pode mudar o estilo de cada
objeto com base no estado atual da viagem. Por exemplo, colorindo o objeto
Polyline
com um tom mais escuro ou deixando-o mais grosso quando o veículo está
se movendo mais devagar. Você pode até mesmo fazer junções com fontes externas ao Fleet Engine e estilizar o objeto Polyline
com base nessas informações.
Parâmetros de personalização
Ao estilizar polilinhas de rotas, você usa parâmetros fornecidos em
FleetEngineShipmentLocationProviderOptions
. Esses parâmetros fornecem diferentes estados de caminho na jornada do veículo, da seguinte forma:
Usar PolylineOptions
O exemplo a seguir mostra como configurar o estilo de um objeto Polyline
com PolylineOptions
. Siga este padrão para personalizar o estilo de
qualquer objeto Polyline
usando uma das personalizações de polilinha listadas anteriormente.
JavaScript
activePolylineCustomization = {
strokeWidth: 5,
strokeColor: 'black',
};
TypeScript
activePolylineCustomization = {
strokeWidth: 5,
strokeColor: 'black',
};
Usar funções de personalização para estilizar polilinhas de rotas
O exemplo a seguir mostra como configurar o estilo de uma polilinha de rota ativa. Siga esse padrão para personalizar o estilo de qualquer objeto Polyline
usando um dos parâmetros de personalização de polilinha de rota listados anteriormente.
JavaScript
// Color the route polyline objects in green if the vehicle is nearby.
activePolylineCustomization =
(params) => {
const distance = params.taskTrackingInfo.remainingDrivingDistanceMeters;
if (distance < 1000) {
// params.polylines contains an ordered list of Polyline objects for
// the path.
for (const polylineObject of params.polylines) {
polylineObject.setOptions({strokeColor: 'green'});
}
}
};
TypeScript
// Color the route Polyline objects in green if the vehicle is nearby.
activePolylineCustomization =
(params: ShipmentPolylineCustomizationFunctionParams) => {
const distance = params.taskTrackingInfo.remainingDrivingDistanceMeters;
if (distance < 1000) {
// params.polylines contains an ordered list of Polyline objects for
// the path.
for (const polylineObject of params.polylines) {
polylineObject.setOptions({strokeColor: 'green'});
}
}
};
Controlar a visibilidade da polilinha de rota
Por padrão, todos os objetos Polyline
são visíveis. Para tornar um objeto Polyline
invisível, defina a propriedade visible
dele:
JavaScript
remainingPolylineCustomization = {visible: false};
TypeScript
remainingPolylineCustomization = {visible: false};
Exceto em caso de indicação contrária, o conteúdo desta página é licenciado de acordo com a Licença de atribuição 4.0 do Creative Commons, e as amostras de código são licenciadas de acordo com a Licença Apache 2.0. Para mais detalhes, consulte as políticas do site do Google Developers. Java é uma marca registrada da Oracle e/ou afiliadas.
Última atualização 2025-08-31 UTC.
[null,null,["Última atualização 2025-08-31 UTC."],[[["\u003cp\u003eThis guide explains how to customize the appearance and visibility of route polylines within your web-based journey tracking applications using the Consumer SDK.\u003c/p\u003e\n"],["\u003cp\u003eYou can style route polylines by either using \u003ccode\u003ePolylineOptions\u003c/code\u003e for simple styling across all polylines or by employing customization functions for advanced, data-driven styling of individual polyline segments.\u003c/p\u003e\n"],["\u003cp\u003eCustomization parameters allow you to control the styling of already traveled, actively traveled, and not-yet traveled paths independently.\u003c/p\u003e\n"],["\u003cp\u003eThe provided code examples demonstrate how to apply these customization techniques using both \u003ccode\u003ePolylineOptions\u003c/code\u003e and customization functions in JavaScript and TypeScript.\u003c/p\u003e\n"],["\u003cp\u003eRoute polyline visibility can be easily toggled by setting the \u003ccode\u003evisible\u003c/code\u003e property to \u003ccode\u003efalse\u003c/code\u003e within the desired customization parameters.\u003c/p\u003e\n"]]],["This document details customizing route polylines in a web-based journey tracking app using the Consumer SDK. Styling is achieved via `PolylineOptions` for simple application to all `Polyline` objects or through customization functions for dynamic styling based on journey data. Customization parameters include styling for already traveled, actively traveled, and not-yet-traveled paths. Visibility can be controlled by setting the `visible` property. Customization functions allow altering `Polyline` objects' styles based on real-time journey data, such as changing colors based on distance.\n"],null,["\u003cbr /\u003e\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\nThis document covers how to customize route polylines for the map you use in\nyour web-based journey tracking app for consumer users and fleet operators.\n\nWith the Consumer SDK, you can control route polyline visibility or style the\nroute polyline for a journey's route on the map. The SDK creates a\n[`google.maps.Polyline`](/maps/documentation/javascript/reference/polygon#Polyline) object for each pair of coordinates in the journey's\nactive or remaining path. The library then applies these customizations in\ntwo situations:\n\n- before adding the objects to the map\n- when the data used for the objects have changed\n\nStyle route polylines\n\nSimilar to how you can style markers, you style route polylines using\n**customization parameters**. From there, you configure styling using one of the\nfollowing approaches:\n\n- **Simplest** : Use `PolylineOptions` to apply to all of the matched `Polyline` objects when they are created or updated.\n- **Advanced** : Specify a **customization function** . Customization functions allow for individual styling of the objects based on data sent by Fleet Engine. The function can change the styling of each object based on the current state of the journey; for example, coloring the `Polyline` object a deeper shade, or making it thicker when the vehicle is moving slower. You can even join against from sources outside Fleet Engine and style the `Polyline` object based on that information.\n\nCustomization parameters\n\nWhen styling route polylines, you use parameters provided in\n[`FleetEngineShipmentLocationProviderOptions`](/maps/documentation/javascript/reference/journey-sharing-shipment-tracking#FleetEngineShipmentLocationProviderOptions). These parameters provide for\ndifferent path states in the vehicle's journey, as follows:\n\n- **Already traveled** paths: Use [`takenPolylineCustomization`](/maps/documentation/javascript/reference/journey-sharing-shipment-tracking#FleetEngineShipmentLocationProviderOptions.takenPolylineCustomization).\n- **Actively traveled** path: Use [`activePolylineCustomization`](/maps/documentation/javascript/reference/journey-sharing-shipment-tracking#FleetEngineShipmentLocationProviderOptions.activePolylineCustomization).\n- **Not-yet traveled** path: Use [`remainingPolylineCustomization`](/maps/documentation/javascript/reference/journey-sharing-shipment-tracking#FleetEngineShipmentLocationProviderOptions.remainingPolylineCustomization).\n\nUse `PolylineOptions`\n\nThe following example shows how to configure the styling for a `Polyline` object\nwith [`PolylineOptions`](/maps/documentation/javascript/reference/polygon#PolylineOptions). Follow this pattern to customize the styling of\nany `Polyline` object using any of the polyline customizations listed earlier.\n\n\u003cbr /\u003e\n\nJavaScript\n\n\u003cbr /\u003e\n\n activePolylineCustomization = {\n strokeWidth: 5,\n strokeColor: 'black',\n };\n\n\u003cbr /\u003e\n\nTypeScript\n\n\u003cbr /\u003e\n\n activePolylineCustomization = {\n strokeWidth: 5,\n strokeColor: 'black',\n };\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\nUse customization functions to style route polylines\n\nThe following example shows how to configure styling for an active route\npolyline. Follow this pattern to customize the styling of any `Polyline` object\nusing any of the route polyline customization parameters listed earlier.\n\n\u003cbr /\u003e\n\nJavaScript\n\n\u003cbr /\u003e\n\n // Color the route polyline objects in green if the vehicle is nearby.\n activePolylineCustomization =\n (params) =\u003e {\n const distance = params.taskTrackingInfo.remainingDrivingDistanceMeters;\n if (distance \u003c 1000) {\n\n // params.polylines contains an ordered list of Polyline objects for\n // the path.\n for (const polylineObject of params.polylines) {\n polylineObject.setOptions({strokeColor: 'green'});\n }\n }\n };\n\n\u003cbr /\u003e\n\nTypeScript\n\n\u003cbr /\u003e\n\n // Color the route Polyline objects in green if the vehicle is nearby.\n activePolylineCustomization =\n (params: ShipmentPolylineCustomizationFunctionParams) =\u003e {\n const distance = params.taskTrackingInfo.remainingDrivingDistanceMeters;\n if (distance \u003c 1000) {\n\n // params.polylines contains an ordered list of Polyline objects for\n // the path.\n for (const polylineObject of params.polylines) {\n polylineObject.setOptions({strokeColor: 'green'});\n }\n }\n };\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e\n\nControl route polyline visibility\n\nBy default, all `Polyline` objects are visible. To make a `Polyline` object\ninvisible, set its [`visible`](/maps/documentation/javascript/reference/polygon#PolylineOptions) property:\n\n\u003cbr /\u003e\n\nJavaScript\n\n\u003cbr /\u003e\n\n remainingPolylineCustomization = {visible: false};\n\n\u003cbr /\u003e\n\nTypeScript\n\n\u003cbr /\u003e\n\n remainingPolylineCustomization = {visible: false};\n\n\u003cbr /\u003e\n\n\u003cbr /\u003e"]]