[英]FusionTablesLayer where clause not working & geometry not displaying google maps javascript api
在我腦海里:
<script type="text/javascript">
window._initHomeMap = function(){
if( document.getElementById('map') !== null ){
var map = new google.maps.Map(document.getElementById('map'), {
center: new google.maps.LatLng(30,0),
zoom: 2,
mapTypeId: google.maps.MapTypeId.ROADMAP,
disableDefaultUI: true,
scrollwheel: false,
draggable: false,
});
var world_geometry = new google.maps.FusionTablesLayer({
query: {
select: 'geometry',
from: '1N2LBk4JHwWpOY4d9fobIn27lfnZ5MDy-NoqqRpk',
where: 'ISO_2DIGIT IN ("US", "CA", "AF")',
},
heatmap: {
enabled: false
},
suppressInfoWindows: true,
map: map,
options: {
styleId: 2,
templateId: 2
},
styles: [{ //included because geometry not showing up
polygonOptions: {
fillColor: '#FF0000',
fillOpacity: 0.4
}
}],
});
}
}
</script>
在我體內:
<div id="map"></div>
在閉包標簽之前:
<script type="text/javascript" src="https://maps.googleapis.com/maps/api/js?key=AIzaSyBrRJwJFfNCdVLJwa6yhR8UBZR1m2A018Q&callback=window._initHomeMap"></script>
我想從其中具有國家/地區幾何圖形的FusionTable中提取信息,並在Google地圖上顯示國家/地區邊界。 但是由於某種原因,幾何圖形無法顯示(除非我使用了styles屬性),並且查詢中的where子句無法正常工作。 我一直在搜尋SO和其他地方,但找不到我做錯的事情。 在這里待了幾個小時。 任何幫助/指導表示贊賞!
如果我使用FusionTables UI生成查詢,則會得到(對我有用):
query: {
select: 'geometry',
from: '1N2LBk4JHwWpOY4d9fobIn27lfnZ5MDy-NoqqRpk',
where: "ISO_2DIGIT IN ('US', 'CA', 'AF')",
},
(請注意,在以下where:
交換了"
& '
:)
代碼段:
window._initHomeMap = function() { if (document.getElementById('map') !== null) { var map = new google.maps.Map(document.getElementById('map'), { center: new google.maps.LatLng(30, 0), zoom: 2, mapTypeId: google.maps.MapTypeId.ROADMAP, disableDefaultUI: true, scrollwheel: false, draggable: false, }); var world_geometry = new google.maps.FusionTablesLayer({ query: { select: 'geometry', from: '1N2LBk4JHwWpOY4d9fobIn27lfnZ5MDy-NoqqRpk', where: "ISO_2DIGIT IN ('US', 'CA', 'AF')", }, heatmap: { enabled: false }, suppressInfoWindows: true, map: map, options: { styleId: 2, templateId: 2 }, styles: [{ //included because geometry not showing up polygonOptions: { fillColor: '#FF0000', fillOpacity: 0.4 } }], }); } } google.maps.event.addDomListener(window, "load", window._initHomeMap);
html, body, #map { height: 100%; width: 100%; margin: 0px; padding: 0px }
<script src="https://maps.googleapis.com/maps/api/js"></script> <div id="map"></div>
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