Javascript 基于它的谷歌地图标记更改图标';s ID与变量匹配
编辑: 我有一个谷歌地图,我想找到一个ID与变量匹配的标记,然后将这个特定标记的图标设置为不同的图像。变量的设置方式如下:Javascript 基于它的谷歌地图标记更改图标';s ID与变量匹配,javascript,jquery,google-maps,google-maps-api-3,Javascript,Jquery,Google Maps,Google Maps Api 3,编辑: 我有一个谷歌地图,我想找到一个ID与变量匹配的标记,然后将这个特定标记的图标设置为不同的图像。变量的设置方式如下: var nearId = document.getElementsByClassName("nearest")[0].id; 我的谷歌地图代码如下,包含两个图标defaultIcon和ActiveIcon。单击后,图标会发生更改。我一直在尝试应用以下逻辑: if (locations[i][3] === nearId) { activeIcon } else { defa
var nearId = document.getElementsByClassName("nearest")[0].id;
我的谷歌地图代码如下,包含两个图标defaultIcon和ActiveIcon。单击后,图标会发生更改。我一直在尝试应用以下逻辑:
if (locations[i][3] === nearId) { activeIcon } else { defaultIcon }
但在某个地方应用这一点让我困惑
/**** GOOGLE MAPS API ****/
var map;
function init() {
var center;
var gmarkers = [];
// ICONS
var defaultIcon = {url: 'https://mapicons.mapsmarker.com/wp-content/uploads/mapicons/shape-default/color-ff0303/shapecolor-color/shadow-1/border-dark/symbolstyle-white/symbolshadowstyle-dark/gradient-no/star-3.png',
size: new google.maps.Size(28, 28),
origin: new google.maps.Point(0, 0),
anchor: new google.maps.Point(14, 28)};
var activeIcon = {url: 'https://mapicons.mapsmarker.com/wp-content/uploads/mapicons/shape-default/color-002bff/shapecolor-color/shadow-1/border-dark/symbolstyle-white/symbolshadowstyle-dark/gradient-no/star-3.png',
size: new google.maps.Size(28, 28),
origin: new google.maps.Point(0, 0),
anchor: new google.maps.Point(14, 28)};
var shape = {
coord: [9, 0, 6, 1, 4, 2, 2, 4, 0, 8, 0, 12, 1, 14, 2, 16, 5, 19, 7, 23, 8, 26, 9, 30, 9, 34, 11, 34, 11, 30, 12, 26, 13, 24, 14, 21, 16, 18, 18, 16, 20, 12, 20, 8, 18, 4, 16, 2, 15, 1, 13, 0],
type: 'poly'
};
// OPTIONS
var mapOptions = {
center: new google.maps.LatLng(53.9,-2),
zoom: 4,
zoomControl: false,
disableDoubleClickZoom: true,
mapTypeControl: false,
scaleControl: false,
scrollwheel: false,
panControl: false,
streetViewControl: false,
draggable : true,
overviewMapControl: false,
overviewMapControlOptions: {
opened: false,
},
mapTypeId: google.maps.MapTypeId.ROADMAP
}
var mapElement = document.getElementById('map-canvas');
var map = new google.maps.Map(mapElement, mapOptions);
// LOCATIONS
var locations = [
['Germany', 48.134866, 11.584064, '#date1'],
['Italy', 45.465503, 9.187345, '#date2'],
['Spain', 40.428285, -3.704256, '#date3'],
['Portugal', 38.725081, -9.139089, '#date4'],
['Belgium', 50.849648, 4.355852, '#date5'],
['France', 50.629706, 3.057288, '#date6'],
['Netherlands', 52.370000, 4.895868, '#date7'],
['UK', 51.511338, -0.126318, '#date8']
];
for (i = 0; i < locations.length; i++) {
marker = new google.maps.Marker({
map: map,
title: locations[i][0],
position: new google.maps.LatLng(locations[i][1], locations[i][2]),
id: locations[i][3],
icon: defaultIcon
});
google.maps.event.addListener(marker, "click", function () {
for (var i = 0; i < gmarkers.length; i++) {
gmarkers[i].setIcon(defaultIcon);
}
this.setIcon(activeIcon);
});
gmarkers.push(marker);
}
}
google.maps.event.addDomListener(window, 'load', init);
/****谷歌地图API****/
var映射;
函数init(){
var中心;
var gmarkers=[];
//图标
var defaultIcon={url:'https://mapicons.mapsmarker.com/wp-content/uploads/mapicons/shape-default/color-ff0303/shapecolor-color/shadow-1/border-dark/symbolstyle-white/symbolshadowstyle-dark/gradient-no/star-3.png',
大小:新谷歌地图大小(28,28),
来源:新google.maps.Point(0,0),
主播:新的google.maps.Point(14,28)};
var activeIcon={url:'https://mapicons.mapsmarker.com/wp-content/uploads/mapicons/shape-default/color-002bff/shapecolor-color/shadow-1/border-dark/symbolstyle-white/symbolshadowstyle-dark/gradient-no/star-3.png',
大小:新谷歌地图大小(28,28),
来源:新google.maps.Point(0,0),
主播:新的google.maps.Point(14,28)};
变量形状={
坐标:[9,0,6,1,4,2,2,4,0,8,0,12,1,14,2,16,5,19,7,23,8,26,9,30,9,34,11,34,11,30,12,26,13,24,14,21,16,18,16,20,20,8,18,4,16,2,15,13,0],
类型:“poly”
};
//选择权
变量映射选项={
中心:新google.maps.LatLng(53.9,-2),
缩放:4,
动物控制:错误,
禁用双击缩放:真,
mapTypeControl:false,
scaleControl:false,
滚轮:错误,
泛控制:错误,
街景控制:错误,
真的,
overviewMapControl:错误,
概述MapControlOptions:{
开:错,
},
mapTypeId:google.maps.mapTypeId.ROADMAP
}
var mapeelement=document.getElementById('map-canvas');
var map=new google.maps.map(mapElement,mapOptions);
//地点
变量位置=[
[德国,48.134866,11.584064,#日期1'],
[意大利,45.465503,9.187345,#日期2'],
[西班牙,40.428285,-3.704256,#日期3'],
[葡萄牙,38.725081,-9.139089,#日期4'],
[比利时,50.849648,4.355852,#日期5'],
[法国,50.629706,3.057288,#日期6'],
[荷兰,52.370000,4.895868,#日期7'],
[UK',51.511338,-0.126318,#date8']
];
对于(i=0;i
请帮忙!谢谢。您应该做些什么来收听
地图的“中心改变”
事件,计算并找到距离当前中心最小的兴趣点
我在这里创建了一个快速演示,希望对您有所帮助对不起,我的意思是按时间而不是地理位置最接近。JS在巡演日期列表中选择最近的即将到来的日期,并应用一个“最近的”类,这使该div处于活动状态,我想对相应的地图标记执行相同的操作。然后,您可以将信息存储到日期类中,并找出哪一个是最近的事件