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I am trying to get load my KML from my local disk with given below code :

<script type="text/javascript">
     function initialize() {
    var mapOptions = {
      center: new google.maps.LatLng(43.321675,-75.172631),
      zoom: 8,
      mapTypeId: google.maps.MapTypeId.ROADMAP
    };
    var map = new google.maps.Map(document.getElementById("map_canvas"),mapOptions);
    var ctaLayer = new google.maps.KmlLayer('C:/Users/Ashutosh_k/Downloads/newyork.kml');
    ctaLayer.setMap(map);
  }
</script>

Problem : When my google map is displaying its not showing up the elements of KML .

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Fusion Tables Supports KML - support.google.com/fusiontables/answer/2571232 –  Mapperz Nov 23 '12 at 17:41
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3 Answers

up vote 3 down vote accepted

I don't think that it is possible to add local .kml files. The file needs to be stored at a location where the remote API is able to access it.

You have several choices as suggested here:

  1. Parse the kml file yourself. There are helpful libraries for that.
  2. Upload the kml file via Dropbox or Google Docs (see here)
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Actually i have some data which i cannot put on cloud .I am struggling since last couple of days . is there any way i keep my data in house and use google map and KML overlay as well my deadline donot permits me to explore other ways . –  bhalkian Nov 25 '12 at 5:48
    
you can parse the kml yourself. you can use the read method from the OpenLayers KML format to get a list of features (dev.openlayers.org/releases/OpenLayers-2.7/doc/apidocs/files/…) Then you might be able to draw those features onto your map. I have never tried this, but it seems this would be your way to go then This question is maybe related: gis.stackexchange.com/questions/16629/… –  Martin Nov 25 '12 at 14:29
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I do agree with Martin's point that you cannot just load KML file from your local drive...

However, you can always create a google site by using your google account, and then use that site to host your kml file.

Here is a very useful/detailed documentation shows you how to do it step by step.

Hope it answered your question.

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Why don't you use Google Fusion Tables for this? Simply create a new fusion table, upload the KML, when prompted, and use a Fusion Tables Layer to display it on a Google map! You can find details on how to use a Fusion Tables Layer in the API doc here: Fusion Tables Layer doc

Below, you can find a sample from the documentation linked above:

var chicago = new google.maps.LatLng(41.850033, -87.6500523);

map = new google.maps.Map(document.getElementById('map_canvas'), {

center: chicago,

zoom: 12,

mapTypeId: 'roadmap' });

var layer = new google.maps.FusionTablesLayer({

query: {

select: 'Geocodable address',

from: '1mZ53Z70NsChnBMm-qEYmSDOvLXgrreLTkQUvvg' }

});

layer.setMap(map);

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