Vue.js2+Cesium 四、模型对比

Cesium 版本 1.103.0，低版本 Cesium 不支持 Compare 对比功能。

Demo

同一区域的两套模型，实现对比功能

<template><div style="width: 100%; height: 100%;"><divid="cesium-container"style="width: 100%; height: 100%;"><div id="slider" /></div></div>
</template><script>
/* eslint-disable no-undef */
/* eslint-disable new-cap */
/* eslint-disable no-unused-vars */
export default {data() {return {}},computed: {},watch: {},async mounted() {window.$InitMap()// const _this = this// const china = Cesium.Rectangle.fromDegrees(100, 10, 120, 70)// Cesium.Camera.DEFAULT_VIEW_RECTANGLE = china// Initialize the viewer widget with several custom options and mixins.try {const left = await new Cesium.Cesium3DTileset({// url: '/model/truck/bad/terra_b3dms/tileset.json',url: 'https://lab.earthsdk.com/model/3610c2b0d08411eab7a4adf1d6568ff7/tileset.json',debugShowMemoryUsage: false})viewer.scene.primitives.add(left)left.splitDirection = Cesium.SplitDirection.LEFTviewer.zoomTo(left)const right = await new Cesium.Cesium3DTileset({// url: '/model/truck/good/terra_b3dms/tileset.json',url: 'https://lab.earthsdk.com/model/908311a0ac2f11e99dbd8fd044883638/tileset.json',debugShowMemoryUsage: false})viewer.scene.primitives.add(right)right.splitDirection = Cesium.SplitDirection.RIGHT} catch (error) {console.log(`Error loading tileset: ${error}`)}const slider = document.getElementById('slider')viewer.scene.splitPosition =slider.offsetLeft / slider.parentElement.offsetWidthconst handler = new Cesium.ScreenSpaceEventHandler(slider)let moveActive = falsefunction move(movement) {if (!moveActive) {return}const relativeOffset = movement.endPosition.xconst splitPosition =(slider.offsetLeft + relativeOffset) / slider.parentElement.offsetWidthslider.style.left = `${100.0 * splitPosition}%`viewer.scene.splitPosition = splitPosition}handler.setInputAction(function () {moveActive = true}, Cesium.ScreenSpaceEventType.LEFT_DOWN)handler.setInputAction(function () {moveActive = true}, Cesium.ScreenSpaceEventType.PINCH_START)handler.setInputAction(move, Cesium.ScreenSpaceEventType.MOUSE_MOVE)handler.setInputAction(move, Cesium.ScreenSpaceEventType.PINCH_MOVE)handler.setInputAction(function () {moveActive = false}, Cesium.ScreenSpaceEventType.LEFT_UP)handler.setInputAction(function () {moveActive = false}, Cesium.ScreenSpaceEventType.PINCH_END)},methods: {}
}
</script><style lang="scss" scoped>
#slider {position: absolute;left: 50%;top: 0px;background-color: #d3d3d3;width: 5px;height: 100%;z-index: 9999;cursor: ew-resize;
}
</style>