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simple example of using google maps and the flickr api.
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function initialize(searchLat, searchLon) { | |
var mapOptions = { | |
center: new google.maps.LatLng(searchLat, searchLon), | |
zoom: 15, | |
mapTypeId: google.maps.MapTypeId.ROADMAP | |
}; | |
var map = new google.maps.Map(document.getElementById("map-canvas"), | |
mapOptions); | |
var marker = new google.maps.Marker(); | |
google.maps.event.addListener(marker, "mouseover", function(event) { | |
// to get the geographical position: | |
var pos = marker.getPosition(); | |
var lat = pos.lat(); | |
var lng = pos.lng(); | |
console.log('you are at ', lat, ' and ', lng); | |
}); | |
return map; | |
} | |
function getFlickrPhotos(map, searchLat, searchLon) { | |
var FLICKR_API_KEY = '40c7bbee397489819102220a79091248'; | |
var searchUrl = "http://api.flickr.com/services/rest/?method=flickr.photos.search&"; | |
var searchReqParams = { | |
'api_key': FLICKR_API_KEY, | |
'tags': 'monument,statue,historical', | |
'has_geo': true, | |
'lat': searchLat, | |
'lon': searchLon, | |
//'place_id': place.place_id, | |
'accuracy': 11, | |
'format': 'json', | |
'safe_search': 1, | |
'privacy_filter': 1, | |
'per_page': 10 | |
} | |
$.ajax({ | |
type: 'GET', | |
url : searchUrl, | |
dataType:'jsonp', | |
cache : true, | |
crossDomain : true, | |
jsonp: false, | |
jsonpCallback : 'jsonFlickrApi', | |
data: searchReqParams, | |
success: function(data) { | |
if (data.photos.photo.length > 0) { | |
getAndMarkPhotos(data.photos); | |
$('#warning').hide(); | |
} else { | |
console.log(data.photos); | |
$('#warning').show(); | |
} | |
} | |
}) | |
.fail(function(jqXHR, textStatus, errorThrown) { | |
console.log('req failed'); | |
console.log('textStatus: ', textStatus, ' code: ', jqXHR.status); | |
}); | |
function getAndMarkPhotos(photos) { | |
var numPhotos = photos.photo.length; | |
for(var i=0; i<numPhotos; i++) { | |
var photo = photos.photo[i]; | |
getPhotoLocation(photo.id); | |
} | |
} | |
function getPhotoLocation(photoId) { | |
var photoLocUrl = "http://api.flickr.com/services/rest/?method=flickr.photos.geo.getLocation&"; | |
var photoParams = { | |
'api_key': FLICKR_API_KEY, | |
'photo_id': photoId | |
} | |
$.ajax({ | |
type: 'GET', | |
url : photoLocUrl, | |
async: false, | |
cache : true, | |
crossDomain : true, | |
dataType: 'xml', | |
data: photoParams, | |
success: function(data) { | |
var location = $(data).find('location')[0]; | |
var photoLat = $(location).attr('latitude'); | |
var photoLon = $(location).attr('longitude'); | |
addOverlay(photoLat, photoLon, 'Flick Photo '+photoId, map); | |
} | |
}) | |
.fail(function(jqXHR, textStatus, errorThrown) { | |
console.log('req failed ', jqXHR); | |
console.log('textStatus: ', textStatus, ' code: ', jqXHR.status); | |
}); | |
} | |
function addOverlay(lat, lon, text, map) { | |
var myLatlng = new google.maps.LatLng(lat,lon); | |
var marker = new google.maps.Marker({ | |
position: myLatlng, | |
title:text | |
}); | |
marker.setMap(map); | |
//map.setCenter(myLatLng); | |
} | |
} | |
$(document).ready(function() { | |
$('#warning').hide(); | |
$('#search').on('click', function() { | |
var searchLat = $('#lat').val(); | |
var searchLon = $('#lon').val(); | |
var googleMap = initialize(searchLat, searchLon); | |
getFlickrPhotos(googleMap, searchLat, searchLon); | |
}); | |
$('#search').trigger('click'); | |
}); |
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta name="viewport" content="initial-scale=1.0, user-scalable=no" /> | |
<style type="text/css"> | |
html { height: 100% } | |
body { height: 100%; margin: 0; padding: 0 } | |
#map-canvas { height: 75%; width: 75%; margin: 0 0 0 2em; } | |
#intro { padding-left: 2em;} | |
</style> | |
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script> | |
<script type="text/javascript" | |
src="https://maps.googleapis.com/maps/api/js?sensor=false&key=AIzaSyB3WDbJuoc6iqUEQ7ZkiQWHw6eqO5Os8Zc"> | |
</script> | |
<script src="./flickrmap.js"></script> | |
</head> | |
<body> | |
<div id="intro"> | |
<h3>A simple demo that shows how JSON, REST and a little JavaScript could be the start of a capable web application.</h3> | |
<label for"lat">Lat:</label> | |
<input id="lat" value="38.8951" placeholder="38.8951" /> | |
<label for"lon">Lon:</label> | |
<input id="lon" value="-77.0367" placeholder="-77.0367" /> | |
<button id="search">Search</button> | |
<div> | |
<em>Enter a latitude and longitude to find Flickr photos related to the terms "monument", "statue" or "historical".</em> | |
</div> | |
</div> | |
<div id="map-canvas"/> | |
</body> | |
</html> |
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