GeoXML3 не анализирует файл KML с полигонами

Question

По какой-то причине я не могу заставить GeoXML3 самостоятельно анализировать KML-файл. Моя конечная цель - использовать парсер GeoXML3, чтобы позволить мне импортировать наложения полигонов через KML-файл, а затем изменить свойство заливки этих полигонов на событие щелчка (чтобы символизировать выбор/отмена выбора). Вот код моего текущего HTML файла:

<script type="text/javascript"> 
var myStyle = [ 
    { 
    featureType: "poi", 
    elementType: "labels", 
    stylers: [ 
     { visibility: "off" } 
    ] 
    },{ 
    featureType: "water", 
    elementType: "labels", 
    stylers: [ 
     { visibility: "off" } 
    ] 
    },{ 
    featureType: "road", 
    stylers: [ 
     { visibility: "off" } 
    ] 
    } 
]; 

function initialize() { 
    var mapOptions = { 
     center: new google.maps.LatLng(32.565333,-83.311043), 
     mapTypeControlOptions: { 
      mapTypeIds: ['mystyle', google.maps.MapTypeId.ROADMAP, google.maps.MapTypeId.TERRAIN] 
      }, 
     scrollwheel: false, 
     navigationControl: false, 
     mapTypeControl: false, 
     scaleControl: false, 
     disableDoubleClickZoom: true, 
     streetViewControl: false, 
     draggable: false, 
     zoom: 7, 
     mapTypeId: 'mystyle' 
    } 

    var map = new google.maps.Map(document.getElementById('map-canvas'), mapOptions); 
    map.mapTypes.set('mystyle', new google.maps.StyledMapType(myStyle, { name: 'My Style' })); 
    var myParser = new geoXML3.parser({map: map}); 
    myParser.parse('tristate_area.xml'); 
    /* 
    var ctaLayer = new google.maps.KmlLayer('tristate_area.kml',{ 
     suppressInfoWindows: true 
    }); 
    google.maps.event.addListener(ctaLayer, "click", function(kmlEvent) { 
     $.ajax({ 
      ... my AJAX call ... 
     }); 
    }); 
    ctaLayer.setMap(map); 
    */ 
} 

</script> 

Если вы отмените комментарий блок, который комментировал и удалить материал GeoXML3, покрышка выглядит как оно должно быть. Но мне нужно использовать GeoXML3 для анализа моих данных KML, потому что мне нужно изменить свойства отдельных полигонов на событиях щелчка.

Ниже приведены некоторые из содержания в tristate_area.kml (я опустил два других состояния для экономии места):

<!-- Georgia --> 
<Style id="georgia_style"> 
    <LineStyle> 
     <color>41F06414</color> 
     <width>4</width> 
    </LineStyle> 
    <PolyStyle> 
     <color>41F06414</color> 
    </PolyStyle> 
</Style> 
<Placemark id="pm294"> 
    <name>Georgia</name> 
    <Snippet maxLines="0">empty</Snippet> 
    <description>Georgia outline</description> 
    <styleUrl>#georgia_style</styleUrl> 
    <MultiGeometry> 
     <MultiGeometry> 
      <Polygon id="g990"> 
       <outerBoundaryIs> 
        <LinearRing> 
         <coordinates> 
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Почему это не делает?

Answer 1

Chrome дает мне эти ошибки:

XMLHttpRequest cannot load file:<path on the computer>/tristate_area.xml. Cross origin requests are only supported for HTTP. v3_geoxml3_SO_simpleMap_tristate.html:1 
Uncaught Error: NETWORK_ERR: XMLHttpRequest Exception 101 

Я думаю, что вы можете настроить Chrome, чтобы позволить этому, не знаю, как экспромтом.