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| author | Chris Schlaeger <chris@linux.com> | 2014-08-12 21:56:44 +0200 |
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| committer | Chris Schlaeger <chris@linux.com> | 2014-08-12 21:56:44 +0200 |
| commit | ea346a785dc1b3f7c156f6fc33da634e1f1a627b (patch) | |
| tree | af67530553d20b6e82ad60fd79593e9c4abf5565 /misc/openlayers/examples/strategy-bbox.html | |
| parent | 59741cd535c47f25971bf8c32b25da25ceadc6d5 (diff) | |
| download | postrunner-fb1989bda5d3e0a5472ba7644d57cae197733a8f.zip | |
Adding jquery, flot and openlayers to be included with the GEM.v0.0.4
Diffstat (limited to 'misc/openlayers/examples/strategy-bbox.html')
| -rw-r--r-- | misc/openlayers/examples/strategy-bbox.html | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/misc/openlayers/examples/strategy-bbox.html b/misc/openlayers/examples/strategy-bbox.html new file mode 100644 index 0000000..1674113 --- /dev/null +++ b/misc/openlayers/examples/strategy-bbox.html @@ -0,0 +1,106 @@ +<!DOCTYPE html> +<html> + <head> + <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> + <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0"> + <meta name="apple-mobile-web-app-capable" content="yes"> + <title>OpenLayers BBOX Strategy Example</title> + <link rel="stylesheet" href="../theme/default/style.css" type="text/css"> + <link rel="stylesheet" href="style.css" type="text/css"> + <script src="../lib/OpenLayers.js"></script> + <script type="text/javascript"> + var map, photos; + + /** + * A specific format for parsing Flickr API JSON responses. + */ + OpenLayers.Format.Flickr = OpenLayers.Class(OpenLayers.Format, { + read: function(obj) { + if(obj.stat === 'fail') { + throw new Error( + ['Flickr failure response (', + obj.code, + '): ', + obj.message].join('')); + } + if(!obj || !obj.photos || + !OpenLayers.Util.isArray(obj.photos.photo)) { + throw new Error( + 'Unexpected Flickr response'); + } + var photos = obj.photos.photo, photo, + x, y, point, + feature, features = []; + for(var i=0,l=photos.length; i<l; i++) { + photo = photos[i]; + x = photo.longitude; + y = photo.latitude; + point = new OpenLayers.Geometry.Point(x, y); + feature = new OpenLayers.Feature.Vector(point, { + title: photo.title, + img_url: photo.url_s + }); + features.push(feature); + } + return features; + } + }); + + function init() { + map = new OpenLayers.Map('map'); + + var base = new OpenLayers.Layer.OSM(); + + var style = new OpenLayers.Style({ + externalGraphic: "${img_url}", + pointRadius: 30 + }); + + photos = new OpenLayers.Layer.Vector("Photos", { + projection: "EPSG:4326", + strategies: [new OpenLayers.Strategy.BBOX({resFactor: 1})], + protocol: new OpenLayers.Protocol.Script({ + url: "http://api.flickr.com/services/rest", + params: { + api_key: 'b5e8c0e287e678671c3d8b2c0f3ced85', + format: 'json', + method: 'flickr.photos.search', + extras: 'geo,url_s', + per_page: 10, + page: 1 + }, + callbackKey: 'jsoncallback', + format: new OpenLayers.Format.Flickr() + }), + styleMap: new OpenLayers.StyleMap(style) + }); + + map.addLayers([base, photos]); + map.setCenter( + new OpenLayers.LonLat(-567468.5392481, + 4950672.5471436), 5); + } + + </script> + </head> + <body onload="init()"> + <h1 id="title">BBOX Strategy Example</h1> + <div id="tags"> + vector, feature, stylemap, bbox, strategy, script, flickr + </div> + <p id="shortdesc"> + Uses a BBOX strategy to request features within a bounding box. + </p> + <div id="map" class="smallmap"></div> + <div id="docs"> + <p>The BBOX strategy requests data within a bounding box. When the + previously requested data bounds are invalidated (by browsing to + some area not covered by those bounds), another request for data + is issued.</p> + + <p>This particular example uses the <a + href="http://www.flickr.com/services/api/">Flickr API.</a></p> + + </div> + </body> +</html> |