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Showing content from https://developers.google.com/apps-script/reference/maps/direction-finder below:

Class DirectionFinder | Apps Script

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Allows for the retrieval of directions between locations.
The example below shows how you can use this class to get the directions from Times Square to Central Park, stopping first at Lincoln Center, plot the locations and path on a map, and send the map in an email.

// Get the directions.
const directions = Maps.newDirectionFinder()
                       .setOrigin('Times Square, New York, NY')
                       .addWaypoint('Lincoln Center, New York, NY')
                       .setDestination('Central Park, New York, NY')
                       .setMode(Maps.DirectionFinder.Mode.DRIVING)
                       .getDirections();
const route = directions.routes[0];

// Set up marker styles.

let markerLetterCode = 'A'.charCodeAt();

// Add markers to the map.
const map = Maps.newStaticMap();
for (let i = 0; i < route.legs.length; i++) {
  const leg = route.legs[i];
  if (i === 0) {
    // Add a marker for the start location of the first leg only.
    map.setMarkerStyle(
        Maps.StaticMap.MarkerSize.MID,
        Maps.StaticMap.Color.GREEN,
        String.fromCharCode(markerLetterCode),
    );
    map.addMarker(leg.start_location.lat, leg.start_location.lng);
    markerLetterCode++;
  }
  map.setMarkerStyle(
      Maps.StaticMap.MarkerSize.MID,
      Maps.StaticMap.Color.GREEN,
      String.fromCharCode(markerLetterCode),
  );
  map.addMarker(leg.end_location.lat, leg.end_location.lng);
  markerLetterCode++;
}

// Add a path for the entire route.
map.addPath(route.overview_polyline.points);

// Send the map in an email.
const toAddress = Session.getActiveUser().getEmail();
MailApp.sendEmail(
    toAddress,
    'Directions',
    `Please open: ${map.getMapUrl()}&key=YOUR_API_KEY`,
    {
      htmlBody: 'See below.<br/><img src="cid:mapImage">',
      inlineImages: {
        mapImage: Utilities.newBlob(map.getMapImage(), 'image/png'),
      },
    },
);

• Google Directions API

Adds a waypoint that the route must pass through, using a point (lat/lng).

// Creates a DirectionFinder with a wapoint at Lincoln Center.
const directionFinder = Maps.newDirectionFinder().addWaypoint(
    40.772628,
    -73.984243,
);

DirectionFinder — The DirectionFinder object to facilitate chaining of calls.

Adds a waypoint that the route must pass through, using an address.

// Creates a DirectionFinder with a wapoint at Lincoln Center.
const directionFinder = Maps.newDirectionFinder().addWaypoint(
    'Lincoln Center, New York, NY',
);

DirectionFinder — The DirectionFinder object to facilitate chaining of calls.

Clears the current set of waypoints.

const directionFinder = Maps.newDirectionFinder();
// ...
// Do something interesting here ...
// ...
// Remove all waypoints added with addWaypoint().
directionFinder.clearWaypoints();

DirectionFinder — the DirectionFinder object to facilitate chaining of calls

Gets the directions using the origin, destination, and other options that were set.

// Logs how long it would take to walk from Times Square to Central Park.
const directions = Maps.newDirectionFinder()
                       .setOrigin('Times Square, New York, NY')
                       .setDestination('Central Park, New York, NY')
                       .setMode(Maps.DirectionFinder.Mode.WALKING)
                       .getDirections();
Logger.log(directions.routes[0].legs[0].duration.text);

Object — a JSON object containing the set of routes for the directions, as described here

• Google Directions API

Sets whether or not alternative routes should be returned, instead of just the highest ranked route (defaults to false). If true, the resulting object's routes array may contain multiple entries.

// Creates a DirectionFinder with alternative routes enabled.
const directionFinder = Maps.newDirectionFinder().setAlternatives(true);

DirectionFinder — the DirectionFinder object to facilitate chaining of calls

Sets the desired time of arrival (when applicable).

// Creates a DirectionFinder with an arrival time of 2 hours from now.
const now = new Date();
const arrive = new Date(now.getTime() + 2 * 60 * 60 * 1000);
const directionFinder = Maps.newDirectionFinder().setArrive(arrive);

DirectionFinder — the DirectionFinder object to facilitate chaining of calls

• Google Directions API

Sets whether to avoid certain types of restrictions.

// Creates a DirectionFinder that avoid highways.
const directionFinder = Maps.newDirectionFinder().setAvoid(
    Maps.DirectionFinder.Avoid.HIGHWAYS,
);

DirectionFinder — the DirectionFinder object to facilitate chaining of calls

• Google Directions API

Sets the desired time of departure (when applicable).

// Creates a DirectionFinder with a departure time of 1 hour from now.
const now = new Date();
const depart = new Date(now.getTime() + 1 * 60 * 60 * 1000);
const directionFinder = Maps.newDirectionFinder().setDepart(depart);

DirectionFinder — The DirectionFinder object to facilitate chaining of calls.

• Google Directions API

Sets the ending location for which to calculate directions to, using a point (lat/lng).

// Creates a DirectionFinder with the destination set to Central Park.
const directionFinder = Maps.newDirectionFinder().setDestination(
    40.777052,
    -73.975464,
);

DirectionFinder — the DirectionFinder object to facilitate chaining of calls

Sets the ending location for which to calculate directions to, using an address.

// Creates a DirectionFinder with the destination set to Central Park.
const directionFinder = Maps.newDirectionFinder().setDestination(
    'Central Park, New York, NY',
);

DirectionFinder — the DirectionFinder object to facilitate chaining of calls

Sets the language to be used for the directions.

// Creates a DirectionFinder with the language set to French.
const directionFinder = Maps.newDirectionFinder().setLanguage('fr');

DirectionFinder — the DirectionFinder object to facilitate chaining of calls

• Language Support in Google Maps APIs

Sets the mode of travel (defaults to driving).

// Creates a DirectionFinder with the mode set to walking.
const directionFinder = Maps.newDirectionFinder().setMode(
    Maps.DirectionFinder.Mode.WALKING,
);

DirectionFinder — the DirectionFinder object to facilitate chaining of calls

• Google Directions API

Sets whether or not to optimize the provided route by rearranging the waypoints in a more efficient order (defaults to false).

// Creates a DirectionFinder with wapoint optimization enabled.
const directionFinder = Maps.newDirectionFinder().setOptimizeWaypoints(true);

DirectionFinder — the DirectionFinder object to facilitate chaining of calls

• Google Directions API

Sets the starting location from which to calculate directions, using a point (lat/lng).

// Creates a DirectionFinder with the origin set to Times Square.
const directionFinder = Maps.newDirectionFinder().setOrigin(
    40.759011,
    -73.984472,
);

DirectionFinder — the DirectionFinder object to facilitate chaining of calls

Sets the starting location from which to calculate directions, using an address.

// Creates a DirectionFinder with the origin set to Times Square.
const directionFinder = Maps.newDirectionFinder().setOrigin(
    'Times Square, New York, NY',
);

DirectionFinder — the DirectionFinder instance to facilitate chaining of calls

Sets a region to use when interpreting location names. The supported region codes correspond to the ccTLDs supported by Google Maps. For example, the region code "uk" corresponds to "maps.google.co.uk".

// Creates a DirectionFinder with the region set to France.
const directionFinder = Maps.newDirectionFinder().setRegion('fr');

DirectionFinder — the DirectionFinder object to facilitate chaining of calls

• Google Directions API

Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.

Last updated 2024-12-02 UTC.

[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-12-02 UTC."],[[["`DirectionFinder` helps retrieve directions between locations, including setting waypoints and travel modes."],["You can plot locations and paths on a map using markers and the route's overview polyline."],["The generated map, showing the directions, can be sent as an email with an embedded image."],["Detailed methods allow customization such as arrival/departure times, route optimization, and avoiding specific restrictions (like highways)."],["External links provide access to the Google Directions API for comprehensive documentation and further details."]]],[]]

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