Google maps api 3 加载页面时如何显示一个kml层?
我有一个带有谷歌地图的页面,显示了几个kml文件,当你点击图例中的复选框时可以看到这些文件。 如何配置地图,以便在加载页面时只看到第2层,就好像已经单击了它一样 源代码是:Google maps api 3 加载页面时如何显示一个kml层?,google-maps-api-3,kml,layer,Google Maps Api 3,Kml,Layer,我有一个带有谷歌地图的页面,显示了几个kml文件,当你点击图例中的复选框时可以看到这些文件。 如何配置地图,以便在加载页面时只看到第2层,就好像已经单击了它一样 源代码是: <script type="text/javascript"> var map; var layers = []; function initialize() { var myLatLng = new google.maps.LatLng(37.18186,-3.58843); var my
<script type="text/javascript">
var map;
var layers = [];
function initialize() {
var myLatLng = new google.maps.LatLng(37.18186,-3.58843);
var myOptions = {
zoom: 15,
center: myLatLng,
mapTypeId: google.maps.MapTypeId.ROADMAP,
streetViewControl: false
}
map = new google.maps.Map(document.getElementById("map_canvas"), myOptions);
var legend = document.getElementById('legend');
map.controls[google.maps.ControlPosition.TOP_RIGHT].push
(document.getElementById('legend'));
var noPoi = [
{
featureType: "poi",
stylers: [
{ visibility: "off" }
]
}
];
map.setOptions({styles: noPoi});
layers [0] = new google.maps.KmlLayer('https://granadainfo.com/googlemaps/kml/L33-2018.kml',
{preserveViewport: true, suppressInfoWindows: false});
layers [1] = new google.maps.KmlLayer('https://granadainfo.com/googlemaps/kml/C31-2018.kml',
{preserveViewport: true, suppressInfoWindows: false});
layers [2] = new google.maps.KmlLayer('https://granadainfo.com/googlemaps/kml/C34-2018.kml',
{preserveViewport: true, suppressInfoWindows: false});
layers [3] = new google.maps.KmlLayer('https://granadainfo.com/googlemaps/kml/C30-2018.kml',
{preserveViewport: true, suppressInfoWindows: false});
for (var i = 0; i < layers.length; i++) {
layers[i].setMap(null);
}
}
function toggleLayer(i) {
if (layers[i].getMap() === null) {
layers[i].setMap(map);
}
else {
layers[i].setMap(null);
}
}
</script>
var映射;
var层=[];
函数初始化(){
var mylatng=new google.maps.LatLng(37.18186,-3.58843);
变量myOptions={
缩放:15,
中心:myLatLng,
mapTypeId:google.maps.mapTypeId.ROADMAP,
街景控制:错误
}
map=new google.maps.map(document.getElementById(“map_canvas”),myOptions);
var legend=document.getElementById('legend');
map.controls[google.maps.ControlPosition.TOP\u RIGHT].push
(document.getElementById(“图例”);
变量noPoi=[
{
特征类型:“poi”,
样式:[
{可见性:“关闭”}
]
}
];
setOptions({style:noPoi});
层[0]=新的google.maps.kmlayer('https://granadainfo.com/googlemaps/kml/L33-2018.kml',
{preserveViewport:true,suppressInfoWindows:false});
layers[1]=新的google.maps.Kmlayer('https://granadainfo.com/googlemaps/kml/C31-2018.kml',
{preserveViewport:true,suppressInfoWindows:false});
layers[2]=新的google.maps.Kmlayer('https://granadainfo.com/googlemaps/kml/C34-2018.kml',
{preserveViewport:true,suppressInfoWindows:false});
layers[3]=新的google.maps.KmlLayer('https://granadainfo.com/googlemaps/kml/C30-2018.kml',
{preserveViewport:true,suppressInfoWindows:false});
对于(变量i=0;i
html代码是:
<div id="map_canvas"></div>
<div id="legend">
<p>
<input type="checkbox" id="layer0" onClick="toggleLayer(0)"/> Bus 33<br />
<input type="checkbox" id="layer1" onClick="toggleLayer(1)"/> Bus C31<br />
<input type="checkbox" id="layer2" onClick="toggleLayer(2)"/> Bus C34<br />
<input type="checkbox" id="layer3" onClick="toggleLayer(3)"/> Bus C30<br />
</div>
33路公共汽车
总线C31
总线C34
总线C30
您需要做两件事:
var映射;
var层=[];
函数初始化(){
var mylatng=new google.maps.LatLng(37.18186,-3.58843);
变量myOptions={
缩放:15,
中心:myLatLng,
mapTypeId:google.maps.mapTypeId.ROADMAP,
街景控制:错误
}
map=new google.maps.map(document.getElementById(“map_canvas”),myOptions);
var legend=document.getElementById('legend');
控件[google.maps.ControlPosition.TOP_RIGHT].push(document.getElementById('legend');
变量noPoi=[{
特征类型:“poi”,
样式:[{
能见度:“关闭”
}]
}];
map.setOptions({
款式:noPoi
});
层[0]=新的google.maps.kmlayer('https://granadainfo.com/googlemaps/kml/L33-2018.kml', {
对,,
suppressInfoWindows:false
});
layers[1]=新的google.maps.Kmlayer('https://granadainfo.com/googlemaps/kml/C31-2018.kml', {
对,,
suppressInfoWindows:false
});
layers[2]=新的google.maps.Kmlayer('https://granadainfo.com/googlemaps/kml/C34-2018.kml', {
对,,
suppressInfoWindows:false
});
layers[3]=新的google.maps.KmlLayer('https://granadainfo.com/googlemaps/kml/C30-2018.kml', {
对,,
suppressInfoWindows:false
});
对于(变量i=0;i
/*始终明确设置贴图高度以定义div的大小
*包含映射的元素*/
#地图画布{
身高:100%;
}
/*可选:使示例页面填充窗口*/
html,
身体{
身高:100%;
保证金:0;
填充:0;
}
33路公共汽车
总线C31
总线C34
总线C30
<input type="checkbox" id="layer2" onClick="toggleLayer(2)" checked="checked"/> Bus C34<br />
toggleLayer(2);