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sceneView.popup.open({
// Set the popup's title to the coordinates of the locationtitle: "Map view coordinates: [" + lon + ", " + lat + "]",
location: event.mapPoint, // Set the location of the popup to the clicked locationcontent: setContentInfo(sceneView.center, sceneView.scale)
});
setContentInfo 函数创建一个新的 MapView 。创建一个新的 DIV 元素来保存名为 popupDiv的 MapView。