Javascript - 确定用户当前位置是否在 google 地图的 KML 层内
Javascript - Determine if user current location within KML layer of google maps
我正在尝试检查用户位置/Google 标记是否在 KML 层内。
是否有任何KML事件可以确定这一点?
或者我可以在 google 地图上放置标记后检查?
有什么想法吗?
我的示例代码在这里。
有什么建议或示例代码吗?
等待您的友好回应。
提前致谢。
var map;
function initialize() {
var chicago = new google.maps.LatLng(49.051078, -122.314221);
var mapOptions = {
zoom: 11,
center: chicago
}
map = new google.maps.Map(document.getElementById('map-canvas'), mapOptions);
var ctaLayer = new google.maps.KmlLayer({
url: 'http://aeronnovation.ae/NoFlyZoneFile/doc.kml',
preserveViewport: true
});
ctaLayer.setMap(map);
if (navigator.geolocation) {
navigator.geolocation.getCurrentPosition(function (position) {
var pos = new google.maps.LatLng(position.coords.latitude,
position.coords.longitude);
var infowindow = new google.maps.InfoWindow({
map: map,
position: pos,
content: 'You are here'
});
map.setCenter(pos);
}, function () {
handleNoGeolocation(true);
});
} else {
// Browser doesn't support Geolocation
handleNoGeolocation(false);
}
}
function handleNoGeolocation(errorFlag) {
if (errorFlag) {
var content = 'Error: The Geolocation service failed.';
} else {
var content = 'Error: Your browser doesn\'t support geolocation.';
}
var options = {
map: map,
position: new google.maps.LatLng(60, 105),
content: content
};
var infowindow = new google.maps.InfoWindow(options);
map.setCenter(options.position);
}
google.maps.event.addDomListener(window, 'load', initialize);
我正在尝试检查用户位置/Google 标记是否在 KML 层内。
是否有任何KML事件可以确定这一点? 或者我可以在 google 地图上放置标记后检查?
有什么想法吗?
我的示例代码在这里。 有什么建议或示例代码吗? 等待您的友好回应。 提前致谢。
var map;
function initialize() {
var chicago = new google.maps.LatLng(49.051078, -122.314221);
var mapOptions = {
zoom: 11,
center: chicago
}
map = new google.maps.Map(document.getElementById('map-canvas'), mapOptions);
var ctaLayer = new google.maps.KmlLayer({
url: 'http://aeronnovation.ae/NoFlyZoneFile/doc.kml',
preserveViewport: true
});
ctaLayer.setMap(map);
if (navigator.geolocation) {
navigator.geolocation.getCurrentPosition(function (position) {
var pos = new google.maps.LatLng(position.coords.latitude,
position.coords.longitude);
var infowindow = new google.maps.InfoWindow({
map: map,
position: pos,
content: 'You are here'
});
map.setCenter(pos);
}, function () {
handleNoGeolocation(true);
});
} else {
// Browser doesn't support Geolocation
handleNoGeolocation(false);
}
}
function handleNoGeolocation(errorFlag) {
if (errorFlag) {
var content = 'Error: The Geolocation service failed.';
} else {
var content = 'Error: Your browser doesn\'t support geolocation.';
}
var options = {
map: map,
position: new google.maps.LatLng(60, 105),
content: content
};
var infowindow = new google.maps.InfoWindow(options);
map.setCenter(options.position);
}
google.maps.event.addDomListener(window, 'load', initialize);