An example that uses the OpeNER Tour-pedia APIs and Google Maps API to display all the places in Isola d'Elba as a dot density map. Color is used to distinguish among the four categories to which a place can belong.
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August 29, 2015 14:01
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OpeNER - Places with categories (GMaps)
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| body { | |
| margin: 0; | |
| padding: 0; | |
| } | |
| svg { | |
| background: white; | |
| } |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="description" content="OpeNER - Places with categories (GMaps)" /> | |
| <title>OpeNER - Places with categories (GMaps)</title> | |
| <link rel="stylesheet" href="index.css"> | |
| <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script> | |
| <script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false"></script> | |
| </head> | |
| <body> | |
| <div id="mapcanvas" style="height: 500px; width: 960px"></div> | |
| <script src="index.js"></script> | |
| </body> | |
| </html> |
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| // Get data | |
| var url = 'http://wafi.iit.cnr.it/openervm/api/getPlacesByArea?S=42.666&N=42.912&W=10&E=10.5'; | |
| $.getJSON(url, function(data) { | |
| // Visualize | |
| var center = new google.maps.LatLng(42.779152, 10.277379); | |
| var myOptions = { | |
| zoom: 11, | |
| center: center | |
| }; | |
| var map = new google.maps.Map(document.getElementById("mapcanvas"), myOptions); | |
| for(var i in data) { // noprotect | |
| new google.maps.Marker({ | |
| position: new google.maps.LatLng(data[i].lat, data[i].lng), | |
| map: map, | |
| title: data[i].name, | |
| icon: "http://wafi.iit.cnr.it/webvis/examples/opener_places/"+data[i].category+".png" | |
| }); | |
| } | |
| }); | |
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