Javascript 如何在OpenLayers5中最大限度地调整地图?
我在地图上添加了许多标记:Javascript 如何在OpenLayers5中最大限度地调整地图?,javascript,openlayers,openstreetmap,openlayers-5,Javascript,Openlayers,Openstreetmap,Openlayers 5,我在地图上添加了许多标记: const map = new ol.Map({ target: 'map', layers: [ new Layer.Tile({source: new OSM()}), markersVector, ], view: new ol.View({ center: [0, 0], zoom: 2, }) }); // ... let setMarkers = f
const map = new ol.Map({
target: 'map',
layers: [
new Layer.Tile({source: new OSM()}),
markersVector,
],
view: new ol.View({
center: [0, 0],
zoom: 2,
})
});
// ...
let setMarkers = function (markers) {
let features = markers.map((marker) => createFeature(...marker));
markerSource.addFeatures(features);
// how to fit?
};
setMarkers(window.markers || []);
添加特征后,我希望地图尽可能地缩放,以便所有标记一次可见。怎么做?以前的版本有一个zoomToExtent
方法,显然现在缺少了这个方法
我试过了,但没用:
map.getView().fit(
map.getView().calculateExtent(),
{constrainResolution: false, padding: [10, 10, 10, 10]}
);
编辑:
map.getView().calculateExtent()
最初和添加功能后返回相同的范围。因此,我想我的问题是如何正确计算范围。这很容易:
const markerSource = new source.Vector();
// ...
map.getView().fit(markerSource.getExtent());