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我試圖在this jsfiddle中設置一個Patrick Wied's heatmap.js demo w/leaflet的稍微改變的版本,但無法獲取heatmap圖層進行渲染。Heatmap.js w/Leaflet渲染問題
任何想法是怎麼回事?下面的代碼
在此先感謝您的任何幫助。
喬希
HTML:
<script src="https://cdnjs.cloudflare.com/ajax/libs/leaflet/0.7.7/leaflet.js"></script>
<script src="https://unpkg.com/[email protected]"></script>
<script src="https://unpkg.com/[email protected]"></script>
<div class="map-container">
<div id="map-here" style="width: 100%; height: 500px"></div>
</div>
<div class="heatmap" id="map-canvas">
</div>
<div class="map-controls">
JAVASCRIPT:
var map = L.map('map-here').setView([37.7829, -122.1312], 10);
var baseLayer = L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
maxZoom: 18,
attribution: '[[Attribution]]',
id: 'mapbox.streets'
}).addTo(map);
var refs = new L.LayerGroup()
refs.addTo(map)
map.refs = refs
var cfg = {
"radius": 2,
"maxOpacity": .8,
"scaleRadius": true,
"useLocalExtrema": true,
latField: 'lat',
lngField: 'lng',
valueField: 'count'
};
var heatmapLayer = new HeatmapOverlay(cfg);
var testData = {
max: 8,
data: [{
lat: 37.7829,
lng: -122.1312,
count: 3
}, {
lat: 37.7829,
lng: -122.1312,
count: 1
}, {
lat: 37.7821,
lng: -122.1312,
count: 1
}, {
lat: 37.783,
lng: -122.1312,
count: 1
}]
};
var map = new L.Map('map-canvas', {
center: new L.LatLng(37.7829, -122.1312),
zoom: 4,
layers: [refs, heatmapLayer]
});
heatmapLayer.setData(testData);
謝謝Philippe;你是一個紳士和學者。非常感激。 – Josh