[英]Failed to show polygon on Google Map
我嘗試使用Chrome和JSLint調試此代碼4天,但沒有任何希望。 我的代碼應在Google地圖上顯示2個區域,並用其RegionID
我的HTML
<body>
<div id="map_canvas" style="width: 100%; height: 100%;"></div>
<script type="text/javascript"
src="https://maps.googleapis.com/maps/api/js?sensor=false®ion=vi&language=vi">
</script>
<script type="text/javascript" src="jquery-1.9.1.min.js"></script>
<script type="text/javascript">
var map;
function initialize() {
var mapOptions = {
center: new google.maps.LatLng(10.79, 826.694),
zoom: 13,
mapTypeId: google.maps.MapTypeId.ROADMAP
};
map = new google.maps.Map(document.getElementById("map_canvas"),
mapOptions);
}
</script>
<script type="text/javascript">
$(document).ready(function () {
initialize();
var model = [{"ID":946,"Latitude":10.7654200827348,"Longitude":106.681716282384,"RegionID":80},{"ID":947,"Latitude":10.7563117596896,"Longitude":106.685397072824,"RegionID":80},{"ID":948,"Latitude":10.7537788369752,"Longitude":106.68713674361,"RegionID":80},
{"ID":1271,"Latitude":10.8577143149377,"Longitude":106.657884916756,"RegionID":82},{"ID":1272,"Latitude":10.8576257110992,"Longitude":106.657710314914,"RegionID":82},{"ID":1273,"Latitude":10.8575762617472,"Longitude":106.657500586099,"RegionID":82},{"ID":1274,"Latitude":10.8575794962578,"Longitude":106.657309632748,"RegionID":82},{"ID":1275,"Latitude":10.8576187762307,"Longitude":106.65709567219,"RegionID":82}]
polygon(model);
});
</script>
這是我的polygon
函數
// Take an array of objects that have lat and lon attribute
function polygon(polygonCoords) {
// Initialize
// First dimension
var id = polygonCoords[0].RegionID;
var long;
var lat;
var region = new Array();
for (var i = 0; i < polygonCoords.length; i++) {
if ((id != polygonCoords[i].RegionID) || (i == polygonCoords.length - 1)) {
// Draw polygon
// Set path to a polygon along with polygon's option
var regionPolygon = new google.maps.Polygon({
paths: region,
fillColor: "#0000A0",
editable: false,
});
// Set to map
regionPolygon.setMap(map);
// Reset stuffs
region.length = 0;
id = polygonCoords[i].RegionID;
}
long = polygonCoords[i].Longitude;
lat = polygonCoords[i].Latitude;
region.push(new google.maps.LatLng(lat, long));
}
}
我收到的只是一張沒有任何多邊形的Google地圖。 我試着刪除for循環,並通過一個變量推送到region
數組,它再次起作用。 這太荒謬了,但這是我四天后才想到的。 謝謝
我無法告訴您那里發生了什么,但是當我更換時它對我有用
region.length=0;
與
region=[];
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