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POHow do I optimize the loading time of Google Earth Web Plugin if I have a very large KML file?
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  1. POHow do I optimize the loading time of Google Earth Web Plugin if I have a very large KML file?
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    copied!<p>My client has a very large KML file, it contains around 6000+ placemarks and these placemarks have to appear as 3D models on the map. What's even worse is that the KML file does not contain that <code>&lt;link&gt;</code> tag for the COLLADA file, which means I have to traverse the KML file and attach a COLLADA file before it can be displayed on google earth. Now I can already traverse and add a 3D model for each placemark. I tested it with a very small KML file(which contains like less than 100 placemarks) and it worked great as expected...but when I used the very large KML file which had like 6000+ placemarks on it, the plugin just crashes and I am advised to refresh the browser, only to find it crashing again... :(</p> <p>Any advice on this? Is there a limit to the number of placemarks I can put on google earth web plugin? How do I make the loading faster?</p> <pre><code>function render3DPoles(polesKmlLink){ google.earth.fetchKml(ge,polesKmlLink, function(object){ if(object){ var item = object.getFeatures().getChildNodes().item(0); var folder = item.getFeatures().getChildNodes(); var latitude; var longitude; for(var i = 0; i&lt;folder.getLength(); i++){ var placemark = folder.item(i); latitude = placemark.getGeometry().getLatitude(); longitude = placemark.getGeometry().getLongitude(); var model = ge.createModel(''); var location = ge.createLocation(''); model.setLocation(location); var link = ge.createLink(''); link.setHref('insert URL of collada file here'); model.setLink(link); location.setLatitude(latitude); location.setLongitude(longitude); model.setLocation(location); placemark.setGeometry(model); ge.getFeatures().appendChild(placemark); } var la = ge.createLookAt(''); la.set(latitude,longitude, 25, ge.ALTITUDE_RELATIVE_TO_GROUND,180, 60, 100); ge.getView().setAbstractView(la); } else { setTimeout(function() { alert('Bad or null KML.'); },0); } }); } </code></pre>
 

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