Find places in a bounding box

Learn how to perform a text-based search to find places within a bounding box.

A bounding box search finds places within an extent using the places service. An extent typically represents the visible area of a map. To perform a bounding box search, you use the places package from ArcGIS REST JS. With the results of the search, you can make another request to the service and return place attributes such as street address and telephone number.

In this tutorial, you use ArcGIS REST JS to perform a bounding box search based on the visible extent on the map and return details about each place. You also use Calcite components to create a basic search interface.

Prerequisites

Steps

Get the starter app

Select a type of authentication below and follow the steps to create a new application.

Set up authentication

Create developer credentials in your portal for the type of authentication you selected.

Set developer credentials

Use the API key or OAuth developer credentials so your application can access location services.

Add script references

Reference ArcGIS REST JS request and places packages to perform a bounding box search operation. You also reference the Calcite libraries to create the user interface.

1. Reference the routing and request packages from ArcGIS REST JS.

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       <!-- Load MapLibre from CDN -->
       <script src=https://unpkg.com/maplibre-gl@4/dist/maplibre-gl.js></script>
       <link href=https://unpkg.com/maplibre-gl@4/dist/maplibre-gl.css rel="stylesheet" />
   
       <!-- ArcGIS REST JS: request and places -->
       <script src="https://unpkg.com/@esri/arcgis-rest-request@4/dist/bundled/request.umd.js"></script>
       <script
           src="https://unpkg.com/@esri/arcgis-rest-places@1/dist/bundled/places.umd.js"></script>
   

2. Reference the Calcite libraries.

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       <!-- Load MapLibre from CDN -->
       <script src=https://unpkg.com/maplibre-gl@4/dist/maplibre-gl.js></script>
       <link href=https://unpkg.com/maplibre-gl@4/dist/maplibre-gl.css rel="stylesheet" />
   
       <!-- Calcite components -->
       <script type="module" src=https://js.arcgis.com/calcite-components/2.12.1/calcite.esm.js></script>
       <link rel="stylesheet" type="text/css" href=https://js.arcgis.com/calcite-components/2.12.1/calcite.css />
   
       <!-- ArcGIS REST JS: request and places -->
       <script src="https://unpkg.com/@esri/arcgis-rest-request@4/dist/bundled/request.umd.js"></script>
       <script
           src="https://unpkg.com/@esri/arcgis-rest-places@1/dist/bundled/places.umd.js"></script>
   

3. Create a REST JS ApiKeyManager using your access token.

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           const authentication = arcgisRest.ApiKeyManager.fromKey(accessToken);
   

   Expand

Update interface

1. Change the map's viewpoint to [-122.32116, 47.62737] with a zoom of 13 to focus on Seattle, Washington.

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           const basemapEnum = "arcgis/streets";
           const map = new maplibregl.Map({
               container: "map", // the id of the div element
               style: `https://basemapstyles-api.arcgis.com/arcgis/rest/services/styles/v2/styles/${basemapEnum}?token=${accessToken}`,
   
               zoom: 13, // starting zoom
               center: [-122.32116, 47.62737] // starting location [longitude, latitude]
   
           });
   

2. Inside <body>, copy and paste the following HTML to create a basic search interface.

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       <div id="place-control">
           <div class="search">
               <calcite-input type="text" id="search-input" placeholder="Type in a place name or category">
                   <calcite-button kind="inverse" icon-start="search" id="search-button" type="submit"
                       slot="action"></calcite-button>
               </calcite-input>
           </div>
       </div>
   
       <div id="map"></div>
   

3. Update styling to the map div element and body. Add styling for the new elements.

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           body {
               margin: 0;
               padding: 0;
           }
   
           #map {
               position: absolute;
               top: 0;
               bottom: 0;
               right: 0;
               left: 0;
               font-family: Arial, Helvetica, sans-serif;
               font-size: 14px;
               color: #323232;
               z-index: 1;
           }
   
   
           #place-control {
               position: absolute;
               top: 15px;
               left: 15px;
               display: flex;
               flex-direction: row;
               z-index: 2;
           }
   
           .search {
               margin-right: 15px;
           }
   
           #search-input {
               width: 270px;
           }
   
           .category-button {
               margin: auto 5px;
           }
   
   

4. Create a set of dynamic buttons for place categories (e.g., Restaurants, Hotels, Museums) using calcite-button elements.

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           const control = document.getElementById("place-control");
           const input = document.getElementById("search-input")
   
           const placeKeywords = ["Restaurants", "Hotels", "Museums", "ATMs", "Breweries"];
   
           placeKeywords.forEach(category => {
               const categoryButton = document.createElement("calcite-button");
               categoryButton.setAttribute("class", "category-button");
               categoryButton.setAttribute("round", true);
               categoryButton.setAttribute("scale", "s");
               categoryButton.setAttribute("kind", "inverse")
               categoryButton.innerHTML = category;
               categoryButton.id = category;
               control.appendChild(categoryButton);
   
           })
           document.getElementById(placeKeywords[0]).dispatchEvent(new Event('click'));
   

   Expand

Add event listeners

Add event listeners to this interface to make requests to the places service on when they are clicked.

1. Create a showPlaces function to make requests to the places service.

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           function showPlaces(text) {
   
           };
   

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2. Add an event listener to the search button that calls showPlaces on click.

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           const control = document.getElementById("place-control");
           const input = document.getElementById("search-input")
   
           const placeKeywords = ["Restaurants", "Hotels", "Museums", "ATMs", "Breweries"];
   
           document.getElementById("search-button").addEventListener("click", e => {
               showPlaces(input.value)
           })
   
           placeKeywords.forEach(category => {
               const categoryButton = document.createElement("calcite-button");
               categoryButton.setAttribute("class", "category-button");
               categoryButton.setAttribute("round", true);
               categoryButton.setAttribute("scale", "s");
               categoryButton.setAttribute("kind", "inverse")
               categoryButton.innerHTML = category;
               categoryButton.id = category;
               control.appendChild(categoryButton);
   
           })
           document.getElementById(placeKeywords[0]).dispatchEvent(new Event('click'));
   

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3. Add an event listener to each category button that calls showPlaces on click.

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           placeKeywords.forEach(category => {
               const categoryButton = document.createElement("calcite-button");
               categoryButton.setAttribute("class", "category-button");
               categoryButton.setAttribute("round", true);
               categoryButton.setAttribute("scale", "s");
               categoryButton.setAttribute("kind", "inverse")
               categoryButton.innerHTML = category;
               categoryButton.id = category;
               control.appendChild(categoryButton);
   
               categoryButton.addEventListener("click", e => {
                   input.value = category;
                   showPlaces(category)
               })
   
           })
           document.getElementById(placeKeywords[0]).dispatchEvent(new Event('click'));
   

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Find places in the map bounds

1. Calculate the current visible extent of the MapLibre map with map.getBounds(). Access the top right and bottom left corners.

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           function showPlaces(text) {
   
               const bounds = map.getBounds()
               const topRight = bounds.getNorthEast();
               const bottomLeft = bounds.getSouthWest();
   
           };
   

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2. Use the ArcGIS REST JS findPlacesWithinExtent function to make a request to the places service. Set the searchText parameter to your query and pass the current map bounding box to the xmin,xmax,ymin, and ymax parameters.

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           function showPlaces(text) {
   
               const bounds = map.getBounds()
               const topRight = bounds.getNorthEast();
               const bottomLeft = bounds.getSouthWest();
   
               arcgisRest.findPlacesWithinExtent({
                   xmin: bottomLeft.lng,
                   ymin: bottomLeft.lat,
                   xmax: topRight.lng,
                   ymax: topRight.lat,
                   searchText: text,
                   authentication
               })
   
           };
   

   Expand

Display results

The response from the places service will contain a list of place results. Each result will include a place's x/y coordinates, name, category, and unique ID.

1. Create a new list to store service results. When a new places request is made, clear the list.

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           const currentPlaces = [];
   
           function showPlaces(text) {
   
               for (let place of currentPlaces) {
                   place.remove();
               }
   
               const bounds = map.getBounds()
               const topRight = bounds.getNorthEast();
               const bottomLeft = bounds.getSouthWest();
   
               arcgisRest.findPlacesWithinExtent({
                   xmin: bottomLeft.lng,
                   ymin: bottomLeft.lat,
                   xmax: topRight.lng,
                   ymax: topRight.lat,
                   searchText: text,
                   authentication
               })
   
           };
   

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2. Access the service results. For each result, add a MapLibre Marker to your map.

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           function showPlaces(text) {
   
               for (let place of currentPlaces) {
                   place.remove();
               }
   
               const bounds = map.getBounds()
               const topRight = bounds.getNorthEast();
               const bottomLeft = bounds.getSouthWest();
   
               arcgisRest.findPlacesWithinExtent({
                   xmin: bottomLeft.lng,
                   ymin: bottomLeft.lat,
                   xmax: topRight.lng,
                   ymax: topRight.lat,
                   searchText: text,
                   authentication
               })
   
                   .then((response) => {
                       response.results.forEach((result) => {
                           const marker = new maplibregl.Marker()
                               .setLngLat([result.location.x, result.location.y])
                               .addTo(map);
                           currentPlaces.push(marker);
   
                       });
                   });
   
           };
   

   Expand

3. Run the app. When you click a category button or search for a phrase, the map should display a set of points representing place results.

Display a popup

To view more information about each place result, bind a popup to each marker that displays more information about the place.

1. Use setPopup to bind a popup to each result marker.

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                   .then((response) => {
                       response.results.forEach((result) => {
                           const marker = new maplibregl.Marker()
                               .setLngLat([result.location.x, result.location.y])
                               .addTo(map);
                           currentPlaces.push(marker);
   
                           const popup = new maplibregl.Popup();
   
                           marker.setPopup(popup)
   
                       });
                   });
   
           };
   
           function getDetails(popup, id) {
   
           };
   

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2. Add an event listener to each marker that calls a new function getDetails. Pass the current popup as well as the unique place ID from the service response.

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                   .then((response) => {
                       response.results.forEach((result) => {
                           const marker = new maplibregl.Marker()
                               .setLngLat([result.location.x, result.location.y])
                               .addTo(map);
                           currentPlaces.push(marker);
   
                           const popup = new maplibregl.Popup();
   
                           popup.on('open', e => {
                               getDetails(e.target, result.placeId)
                           });
   
                           marker.setPopup(popup)
   
                       });
                   });
   
           };
   
           function getDetails(popup, id) {
   
           };
   

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Get place address and phone number

You can access more information about a place using the unique placeId associated with it. Perform a subsequent request to the places service to get the street address and phone number of a clicked POI.

1. Use the ArcGIS REST JS getPlaceDetails function to get detailed information about a specific place. Pass the placeId associated with the current marker, and set the requestedFields parameter to return the streetAddress and telephone properties.

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           function getDetails(popup, id) {
   
               arcgisRest.getPlaceDetails(({
                   placeId: id,
                   authentication,
                   requestedFields: ["name", "address:streetAddress", "contactInfo:telephone"]
               }))
   
           };
   

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2. Access the service response. Display the results in your popup if they are available.

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           function getDetails(popup, id) {
   
               arcgisRest.getPlaceDetails(({
                   placeId: id,
                   authentication,
                   requestedFields: ["name", "address:streetAddress", "contactInfo:telephone"]
               }))
   
                   .then((result) => {
                       console.log(result)
                       let popupContents = `<b>${result.placeDetails.name}</b><br>`;
                       if (result.placeDetails.address.streetAddress) popupContents += `${result.placeDetails.address.streetAddress}<br>`;
                       if (result.placeDetails.contactInfo.telephone) popupContents += `${result.placeDetails.contactInfo.telephone}`;
   
                       popup.setHTML(popupContents);
                   });
   
           };
   

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Run the app

Run the app.

The app should display a map with a search control. Upon clicking a button or entering a phrase, place results should appear on the map. Clicking a result will submit another service request to get the place address and phone number.

What's next?

Learn how to use additional ArcGIS location services in these tutorials: