我试图更改其中一个KML图层的默认标记。我正在使用传单 - 杂食动物。
这是我已有的代码。标记不会更改为图像,图层控件仅显示文本,即使img位在代码中也是如此。
标记代码:
var redIcon = L.icon({
iconUrl: 'icon.png',
iconSize: [20, 24],
iconAnchor: [12, 55],
popupAnchor: [-3, -76]
});
var nissanLayer = omnivore.kml('icons.kml')
.on('ready', function() {
map.fitBounds(customLayer.getBounds());
//change the icons for each point on the map
// After the 'ready' event fires, the GeoJSON contents are accessible
// and you can iterate through layers to bind custom popups.
customLayer.eachLayer(function(layer) {
// See the `.bindPopup` documentation for full details. This
// dataset has a property called `name`: your dataset might not,
// so inspect it and customize to taste.
layer.icon
layer.bindPopup('<img src="icon.png" height="24"><br><h3>'+layer.feature.properties.name+'</h3>');
});
})
.addTo(map);
var marker = new L.Marker(customLayer, {icon:redIcon});
map.addLayer(marker);
答案 0 :(得分:3)
你好像忽略了setIcon()
method of L.Marker
。在调用任何L.Layer
功能之前,我还检查L.Marker
实际上是L.Marker
,只是为了代码健全。 e.g:
var redIcon = L.icon({ /* ... */ });
var omnivoreLayer = omnivore.kml('icons.kml')
.on('ready', function() {
omnivoreLayer.eachLayer(function(layer) {
if (layer instanceof L.Marker) {
layer.setIcon(redIcon);
}
});
})
.addTo(map);
但是,Leaflet-Omnivore documentation表示将自定义样式应用于Omnivore图层的更好方法是使用所需的过滤器和样式创建L.GeoJSON
实例,然后将其传递给Omnivore工厂方法。我建议你阅读Leaflet tutorial on GeoJSON以熟悉这一点。
因此,不依赖于on('ready')
事件处理程序(在创建标记后更改标记),这样可以通过直接创建标记来节省一小部分时间。期望的风格:
var omnivoreStyleHelper = L.geoJSON(null, {
pointToLayer: function (feature, latlng) {
return L.marker(latlng, {icon: redIcon});
}
});
var omnivoreLayer = omnivore.kml('icons.kml', null, omnivoreStyleHelper);
答案 1 :(得分:0)
我没有使用传单,但我做了一个小项目,我将图标设置为图像。
var redIcon = L.icon({
iconUrl: 'red-x.png',
iconSize: [25, 25], // size of the icon
iconAnchor: [12, 55], // point of the icon which will correspond to
marker's location
popupAnchor: [-3, -76] // point from which the popup should open
relative to the iconAnchor
});
var marker = new L.Marker(markerLocation, {icon:redIcon});
mymap.addLayer(marker);
不确定这是多么有用。
链接有一个关注指南,可能更有用https://leafletjs.com/examples/custom-icons/