主要參考 https://sandcastle.cesium.com/index.html?src=Picking.html

export function monitorMove() {const viewer = window.viewer;const scene = viewer.scene;const handler = new Cesium.ScreenSpaceEventHandler(scene.canvas);let previousPickedEntity = undefined;var labelEntity = viewer.entities.add({label: {show: false,showBackground: true,font: '12px monospace',horizontalOrigin: Cesium.HorizontalOrigin.LEFT,verticalOrigin: Cesium.VerticalOrigin.TOP,pixelOffset: new Cesium.Cartesian2(15, 0)}});handler.setInputAction(function (movement) {const modelEntity = scene.pick(movement.endPosition);var foundPosition = false;if (scene.mode !== Cesium.SceneMode.MORPHING) {var pickedObject = scene.pick(movement.endPosition);if (scene.pickPositionSupported && Cesium.defined(pickedObject)) {var cartesian = scene.pickPosition(movement.endPosition);if (Cesium.defined(cartesian)) {var cartographic = Cesium.Cartographic.fromCartesian(cartesian);var longitudeString = Cesium.Math.toDegrees(cartographic.longitude);var latitudeString = Cesium.Math.toDegrees(cartographic.latitude);var heightString = cartographic.height.toFixed(2);labelEntity.position = cartesian;labelEntity.label.show = true;labelEntity.label.text ='Lon: ' + (' ' + longitudeString) + '\u00B0' +'\nLat: ' + (' ' + latitudeString) + '\u00B0' +'\nAlt: ' + (' ' + heightString) + 'm';labelEntity.label.eyeOffset = new Cesium.Cartesian3(0.0, 0.0, -cartographic.height * (scene.mode === Cesium.SceneMode.SCENE2D ? 1.5 : 1.0));foundPosition = true;}}}if (!foundPosition) {labelEntity.label.show = false;}}, Cesium.ScreenSpaceEventType.MOUSE_MOVE); }

總結

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