首先,获取到当前地图map,通过map.getBounds()、map.getZoom()获取到当前地图范围和当前地图缩放级别 ,利用地图范围和缩放级别按照对应的规则进行计算,生成地图经纬网或标准图幅网格要素,然后添加到图层组(地图)中。 经纬网 经纬网是由表示地球东西位置的经线和表示地球南北位置的子午线构成,由于大家日常接触较多,这里
SERVICE=WMTS&REQUEST=GetTile&VERSION=1.0.0&LAYER=vec&STYLE=default&TILEMATRIXSET=w&FORMAT=tiles&TILEMATRIX={z}&TILEROW={y}&TILECOL={x}&tk=您的密钥").addTo(map);L.tileLayer("http://t0.tianditu.gov.cn/cva_w/wmts?SERVICE=WMTS&REQUEST=GetTile&VERSION=1.0.0&LAYER=cva&STYLE=default&TIL...
【Leaflet】鼠标提取坐标 map.on('mousemove',function(e) { document.getElementById('info').innerHTML =/*innerHTML 属性设置或返回表格行的开始和结束标签之间的 HTML*///e.point is the x, y coordinates of the mousemove event relative//to the top-left corner of the mapJSON.stringify(e.container...
var map = this._map; if (!map) { return; } var zoom = this._clampZoom(map.getZoom()); if (center === undefined) { center = map.getCenter(); } if (this._tileZoom === undefined) { return; } // if out of minzoom/maxzoom var pixelBounds = this._getTiledPixelBounds(center...
(); loadGeojsonLayer(data); var bounds = geojsonLayer.getBounds(); map.fitBounds(bounds); } } /* * 绘制图形函数 */ function loadGeojsonLayer(geojson){ geojsonLayer.addData(geojson); } /* * 清空绘制图形函数 */ function clearGeojsonLayer(){ if (geojsonLayer) { geojsonLayer.clear...
var map = L.map('map', { crs: crs, maxZoom: 5, center: [90, 0], zoom: 0, attributionControl: false }); // coastlines L.tileLayer.wms('http://10.31.14.83:9090/geoserver/polar/wms', { layers: 'polar:coastN10', format: 'image/png', ...
imgm.addTo(map); map.on("zoomend",function(e){ varzoom_var = e.target.getZoom(); if(zoom_var <19) { if(!map.hasLayer(imgm)) { map.addLayer(osm); } }else{ map.removeLayer(imgm); } }); //在本例中用来实现弹窗 functionmyOnEachFeature(feature, layer){ ...
marker.addTo(map); const data = { "type": "FeatureCollection", "features": [ { "type": "Feature", "properties": { "NAME": "西北五环" }, "geometry": { "type": "Point", "coordinates": [ 116.22196197509766, 39.99527080014614
}).addTo(map);letgeojson = pointData;if(geojson) { addProjectClusterLayers(geojson, projectPointLayer); projectPointLayer.on("click",function(e){ e.layer.unbindPopup();// 用于解除地图图层(layer)与其关联的弹出窗口(popup)// 图层点击弹出窗口处理事件constelements = getProjectPopupContent(e.la...
(map) { __onAdd.call(this, map); this._textRedraw(); }, onRemove: function (map) { map = map || this._map; if (map && this._textNode && map._renderer._container) map._renderer._container.removeChild(this._textNode); __onRemove.call(this, map); }, bringToFront: function (...