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POGoogle map custom marker based on database
 

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  1. POGoogle map custom marker based on database
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    <p>In 2 weeks I explored much about Google maps. I am try read a forum and tutorial. But I got this problem when I am going to develop a GIS web. I am using Google maps apiv3, postgre database, and php. I have so much row in my database. Now I only can show multiple marker based on my database, but what I after is <strong>the marker have a unique icon based on column content in database</strong> like a type 1 = 1.png type 2 = 2.png. <strong>the problem is the type is too many</strong>, so it is impossible to definition them by manual (because so many type, I already have about 30 type of content in database column ) . I get database value using json. I've already try read forum and some tutorial, but I can't find the answer. sorry for my bad english. please help me, thanks. this is the code index.php and json.php :</p> <pre><code>&lt;html lang="en"&gt; &lt;head&gt; &lt;script type="text/javascript"&gt; function initialize(){ var peta; var gambar_tanda; gambar_tanda = 'assets/images/enseval.jpg'; var x = new Array(); var y = new Array(); var customer_name = new Array(); var rayon_name = new Array(); // posisi default peta saat diload var lokasibaru = new google.maps.LatLng( -1.2653859,116.83119999999997); var petaoption = { zoom: 5, center: lokasibaru, mapTypeId: google.maps.MapTypeId.ROADMAP }; peta = new google.maps.Map(document.getElementById("map_canvas"),petaoption); var infowindow = new google.maps.InfoWindow({ content: '' }); // memanggil function ambilpeta() untuk menampilkan koordinat url = "json.php"; $.ajax({ url: url, dataType: 'json', cache: false, success: function(msg){ for(i=0;i&lt;msg.enseval.customer.length;i++){ x[i] = msg.enseval.customer[i].x; y[i] = msg.enseval.customer[i].y; customer_name[i] = msg.enseval.customer[i].nama_customer; //rayon_name[i] = msg.enseval.customer[i].nama_rayon var point = new google.maps.LatLng(parseFloat(msg.enseval.customer[i].x),parseFloat(msg.enseval.customer[i].y)); tanda = new google.maps.Marker({ position: point, map: peta, icon: gambar_tanda, clickable: true }); bindInfoWindow(tanda, peta, infowindow, msg.enseval.customer[i].nama_customer ); } } }); } google.maps.event.addDomListener(window, 'load', initialize); function bindInfoWindow(tanda, peta, infowindow, data) { google.maps.event.addListener(tanda, 'click', function() { infowindow.setContent(data); infowindow.open(peta, tanda); }); } &lt;/script&gt; </code></pre> <hr> <pre><code>&lt;?php require ('config.php'); $rayon = $_POST['rayon']; $cabang = $_POST['org_id']; //echo "$rayon, $cabang, $rayonhasil"; $sql = "SELECT distinct org_id, customer_name, attribute16, attribute17 FROM hasilgis"; $data = pg_query($sql); $json = '{"enseval": {'; $json .= '"customer":[ '; while($x = pg_fetch_array($data)){ $json .= '{'; $json .= '"id_customer":"'.$x['org_id'].'", "nama_customer":"'.htmlspecialchars($x['customer_name']).'", "x":"'.$x['attribute17'].'", "y":"'.$x['attribute16'].'" },'; } $json = substr($json,0,strlen($json)-1); $json .= ']'; $json .= '}}'; echo $json; ?&gt; </code></pre>
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