代码迁移
This commit is contained in:
655
src/Global/SheetIndex/index.js
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655
src/Global/SheetIndex/index.js
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@ -0,0 +1,655 @@
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import { get2DView } from '../MultiViewportMode'
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import { getSdk } from '../SplitScreen'
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import { flyTo } from '../global'
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import Tools from '../../Tools'
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let tools
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let state = false
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let scale = '1:100万'
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function SheetIndexStatusSwitch(sdk, s = false) {
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if(!sdk) {
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return
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}
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if (!tools) {
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tools = new Tools()
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}
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state = s ? true : false
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if (state) {
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changeScale(sdk, scale)
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} else {
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close(sdk)
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}
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let sdk2D = get2DView()
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if (sdk2D) {
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if (state) {
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changeScale(sdk, scale)
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} else {
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close(sdk2D)
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}
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}
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let sdkD = getSdk().sdkD
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if(sdkD && sdk !== sdkD) {
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SheetIndexStatusSwitch(sdkD, s)
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}
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// return new Promise(async (resolve, reject) => {
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// setTimeout(() => {
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// resolve()
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// }, 1000);
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// })
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}
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function changeScale(sdk, v) {
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scale = v
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if (state) {
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open(sdk)
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}
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let sdk2D = get2DView()
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if (sdk2D) {
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if (state) {
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open(sdk2D)
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}
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}
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return new Promise(async (resolve, reject) => {
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setTimeout(() => {
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resolve()
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}, 1000);
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})
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}
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function getStatus() {
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return state
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}
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function open(sdk) {
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close(sdk)
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let cartographic = sdk.viewer.camera.positionCartographic
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let options = {
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position: {
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lng: Cesium.Math.toDegrees(cartographic.longitude),
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lat: Cesium.Math.toDegrees(cartographic.latitude),
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alt: cartographic.height,
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},
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}
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let viewer = sdk.viewer;
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switch (scale) {
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case '1:100万':
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options.position.alt = 16000000
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break
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case '1:50万':
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options.position.alt = 5000000
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break
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case '1:25万':
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options.position.alt = 2300000
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break
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case '1:10万':
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options.position.alt = 680000
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break
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case '1:5万':
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options.position.alt = 385000
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break
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case '1:2.5万':
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options.position.alt = 180000
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break
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case '1:1万':
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options.position.alt = 90000
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break
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case '1:5000':
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options.position.alt = 46000
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break
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}
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let gridPrimitives
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let labelCollection
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for (let i = 0; i < viewer.scene.primitives._primitives.length; i++) {
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if (viewer.scene.primitives._primitives[i].name === 'SheetIndexGridPrimitives') {
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gridPrimitives = viewer.scene.primitives._primitives[i];
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for (let j = 0; j < gridPrimitives._primitives.length; j++) {
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if (gridPrimitives._primitives[j].name === 'SheetIndexLabelCollection') {
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labelCollection = gridPrimitives._primitives[j];
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break;
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}
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}
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break;
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}
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}
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if (!gridPrimitives) {
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gridPrimitives = new Cesium.PrimitiveCollection();
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gridPrimitives.name = 'SheetIndexGridPrimitives';
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viewer.scene.primitives.add(gridPrimitives);
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}
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if (!labelCollection) {
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labelCollection = new Cesium.LabelCollection();
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labelCollection.name = 'SheetIndexLabelCollection';
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}
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let stationaryFrames = 0;
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let maxRectangle = null;
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gridPrimitives.postRenderEvent = () => {
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let height = sdk.viewer.camera.positionCartographic.height
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switch (scale) {
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case '1:100万':
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options.position.alt = 16000000
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break
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case '1:50万':
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options.position.alt = 5000000
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break
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case '1:25万':
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options.position.alt = 2300000
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break
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case '1:10万':
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options.position.alt = 680000
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break
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case '1:5万':
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options.position.alt = 385000
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break
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case '1:2.5万':
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options.position.alt = 180000
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break
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case '1:1万':
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options.position.alt = 90000
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break
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case '1:5000':
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options.position.alt = 46000
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break
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}
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if (height > options.position.alt * 5) {
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maxRectangle = null;
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gridPrimitives.removeAll();
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return
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}
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let isChanged = false
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let rectangle = getViewExtend();
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let minLng = Cesium.Math.toDegrees(rectangle.west)
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let minLat = Cesium.Math.toDegrees(rectangle.south)
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let maxLng = Cesium.Math.toDegrees(rectangle.east)
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let maxLat = Cesium.Math.toDegrees(rectangle.north)
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if (minLng > maxLng) {
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maxLng += 360
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}
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rectangle = { minLng, minLat, maxLng, maxLat }
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if (maxRectangle) {
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if ((maxRectangle.minLng > rectangle.minLng || maxRectangle.minLat > rectangle.minLat || maxRectangle.maxLng < rectangle.maxLng || maxRectangle.maxLat < rectangle.maxLat) && Cesium.Math.toDegrees(sdk.viewer.camera.pitch) < 0) {
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isChanged = true
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}
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}
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else {
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countMapSheet(scale)
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}
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if (isChanged) {
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stationaryFrames++;
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// 确认相机已经静止足够多帧
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if (stationaryFrames >= 50) {
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countMapSheet(scale)
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isChanged = false
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}
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} else {
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stationaryFrames = 0;
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}
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}
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options.complete = () => {
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viewer.scene.postRender.addEventListener(gridPrimitives.postRenderEvent);
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}
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flyTo(sdk, options, 0.5)
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/**
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* 根据比例尺创建图幅线
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* @param {string} scale - 比例尺（可选值：'1:100万', '1:50万', '1:25万', '1:10万', '1:5万', '1:2.5万', '1:1万', '1:5000'）
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*/
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function countMapSheet(scale) {
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labelCollection.removeAll();
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gridPrimitives.removeAll();
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labelCollection = new Cesium.LabelCollection();
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labelCollection.name = 'SheetIndexLabelCollection';
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gridPrimitives.add(labelCollection);
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let rectangle = getViewExtend();
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let lngStep // 经度步长
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let latStep // 纬度步长
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// let limitLng // 显示界限（根据图幅线数量显隐）
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// let limitLat
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// Math.abs(maxLng-minLng)/lngStep, Math.abs(maxLat-minLat)/latStep
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let scaleByDistance
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switch (scale) {
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case '1:100万':
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lngStep = 6;
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latStep = 4;
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scaleByDistance = new Cesium.NearFarScalar(
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20000000,
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1,
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80000000,
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0
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)
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break
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case '1:50万':
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lngStep = 3;
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latStep = 2;
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scaleByDistance = new Cesium.NearFarScalar(
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5000000,
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1,
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30000000,
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0
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)
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break
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case '1:25万':
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lngStep = 1.5;
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latStep = 1;
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scaleByDistance = new Cesium.NearFarScalar(
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2300000,
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1,
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20000000,
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0
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)
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break
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case '1:10万':
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lngStep = 0.5;
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latStep = 1 / 3;
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scaleByDistance = new Cesium.NearFarScalar(
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680000,
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1,
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5000000,
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0
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)
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break
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case '1:5万':
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lngStep = 0.25;
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latStep = 1 / 6;
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scaleByDistance = new Cesium.NearFarScalar(
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385000,
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1,
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2400000,
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0
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)
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break
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case '1:2.5万':
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lngStep = 0.125;
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latStep = 1 / 12;
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scaleByDistance = new Cesium.NearFarScalar(
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180000,
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1,
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1200000,
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0
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)
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break
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case '1:1万':
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lngStep = 0.0625;
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latStep = 1 / 24;
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scaleByDistance = new Cesium.NearFarScalar(
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90000,
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1,
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700000,
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0
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)
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break
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case '1:5000':
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lngStep = 0.03125;
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latStep = 1 / 48;
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scaleByDistance = new Cesium.NearFarScalar(
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46000,
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1,
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300000,
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0
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)
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break
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// case '1:1000':
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// lngStep = 0.01041667;
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// latStep = 0.00694444;
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// break
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// case '1:2000':
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// lngStep = 0.00520833;
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// latStep = 0.00347222;
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// break
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}
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let minLng = Math.floor((180 + Cesium.Math.toDegrees(rectangle.west)) / lngStep) * lngStep - 180;
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let minLat = Math.floor((88 + Cesium.Math.toDegrees(rectangle.south)) / latStep) * latStep - 88;
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let maxLng = Math.ceil((180 + Cesium.Math.toDegrees(rectangle.east)) / lngStep) * lngStep - 180;
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let maxLat = Math.ceil((88 + Cesium.Math.toDegrees(rectangle.north)) / latStep) * latStep - 88;
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if (minLng > maxLng) {
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maxLng += 360
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}
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maxRectangle = { minLng, minLat, maxLng, maxLat }
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if (minLat < -88) {
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minLat = -88
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}
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if (maxLat > 88) {
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maxLat = 88
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}
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if (((maxRectangle.maxLng - maxRectangle.minLng) / lngStep) * ((maxRectangle.maxLat - maxRectangle.minLat) / latStep) > 7000) {
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maxRectangle = null
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return
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}
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// 绘制经线
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for (let lng = minLng; lng <= maxLng; lng += lngStep) {
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const positions = [];
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let a = []
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for (let lat = minLat; Math.floor(lat * 1000000000) / 1000000000 <= maxLat; lat += (latStep / 2)) {
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a.push([lng, lat])
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positions.push(Cesium.Cartesian3.fromDegrees(lng, lat, 8848));
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}
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if (maxLat != 88 && maxLat + (latStep / 2) >= 88) {
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positions.push(Cesium.Cartesian3.fromDegrees(lng, 88, 8848));
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}
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const geometryInstances = new Cesium.GeometryInstance({
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geometry: new Cesium.PolylineGeometry({
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positions: positions,
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width: 1,
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vertexFormat: Cesium.PerInstanceColorAppearance.VERTEX_FORMAT,
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arcType: Cesium.ArcType.RHUMB,
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})
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});
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gridPrimitives.add(new Cesium.Primitive({
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geometryInstances: geometryInstances,
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appearance: new Cesium.PolylineMaterialAppearance({
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material: Cesium.Material.fromType('Color', {
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color: Cesium.Color.fromCssColorString('#fcfc00')
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})
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})
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}));
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if (lng < maxLng) {
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// 计算图幅中心坐标
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for (let lat = minLat; lat < maxLat; lat += latStep) {
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let position = { lng: lng + (lngStep / 2), lat: lat + (latStep / 2) };
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if (position.lat > maxLat) {
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break
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}
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let sheetNumber = calculateMapSheetNumber(position.lng, position.lat, scale);
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labelCollection.add({
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position: Cesium.Cartesian3.fromDegrees(position.lng, position.lat, 8848),
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text: sheetNumber,
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font: '16px Inter, sans-serif',
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fillColor: Cesium.Color.fromCssColorString('#fcfc00'),
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// backgroundColor: Cesium.Color.fromCssColorString('#FFA145'),
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// backgroundPadding: new Cesium.Cartesian2(8, 4),
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pixelOffset: new Cesium.Cartesian2(0, 0),
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showBackground: false,
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verticalOrigin: Cesium.VerticalOrigin.BOTTOM,
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horizontalOrigin: Cesium.HorizontalOrigin.CENTER,
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scale: 1.0,
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distanceDisplayCondition: new Cesium.DistanceDisplayCondition(0, 80000000),
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scaleByDistance: scaleByDistance
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})
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// labelCollection.add({
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// position: Cesium.Cartesian3.fromDegrees(position.lng, position.lat, 10000),
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// text: position.lng + ' , ' + position.lat,
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// font: '16px Inter, sans-serif',
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// fillColor: Cesium.Color.WHITE,
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// backgroundColor: Cesium.Color.fromCssColorString('#165DFF').withAlpha(0.8),
|
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// backgroundPadding: new Cesium.Cartesian2(8, 4),
|
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// pixelOffset: new Cesium.Cartesian2(0, 30),
|
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// showBackground: true,
|
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// verticalOrigin: Cesium.VerticalOrigin.BOTTOM,
|
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// horizontalOrigin: Cesium.HorizontalOrigin.CENTER,
|
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// scale: 1.0,
|
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// distanceDisplayCondition: new Cesium.DistanceDisplayCondition(0, 20000000),
|
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// scaleByDistance: new Cesium.NearFarScalar(
|
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// 5000000,
|
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// 1,
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// 20000000,
|
||||
// 0
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// )
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// })
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}
|
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}
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}
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// 绘制纬线
|
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for (let lat = minLat; Math.floor(lat * 1000000000) / 1000000000 <= maxLat; lat += latStep) {
|
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const positions = [];
|
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let a = []
|
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for (let lng = minLng; lng <= maxLng; lng += (lngStep / 2)) {
|
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a.push([lng, lat])
|
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positions.push(Cesium.Cartesian3.fromDegrees(lng, lat, 8848));
|
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}
|
||||
const geometryInstances = new Cesium.GeometryInstance({
|
||||
geometry: new Cesium.PolylineGeometry({
|
||||
positions: positions,
|
||||
width: 1,
|
||||
vertexFormat: Cesium.PerInstanceColorAppearance.VERTEX_FORMAT,
|
||||
arcType: Cesium.ArcType.RHUMB,
|
||||
})
|
||||
});
|
||||
|
||||
gridPrimitives.add(new Cesium.Primitive({
|
||||
geometryInstances: geometryInstances,
|
||||
appearance: new Cesium.PolylineMaterialAppearance({
|
||||
material: Cesium.Material.fromType('Color', {
|
||||
color: Cesium.Color.fromCssColorString('#fcfc00')
|
||||
})
|
||||
})
|
||||
}));
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* 根据经纬度和比例尺计算地图图幅编号
|
||||
* @param {number} longitude - 经度（十进制格式）
|
||||
* @param {number} latitude - 纬度（十进制格式）
|
||||
* @param {string} scale - 比例尺（可选值：'1:100万', '1:50万', '1:25万', '1:10万', '1:5万', '1:2.5万', '1:1万', '1:5000'）
|
||||
* @returns {string} 对应的图幅编号
|
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*/
|
||||
function calculateMapSheetNumber(lng, lat, scale) {
|
||||
let lngStep // 经度步长
|
||||
let latStep // 纬度步长
|
||||
switch (scale) {
|
||||
case '1:100万':
|
||||
lngStep = 6;
|
||||
latStep = 4;
|
||||
break
|
||||
case '1:50万':
|
||||
lngStep = 3;
|
||||
latStep = 2;
|
||||
break
|
||||
case '1:25万':
|
||||
lngStep = 1.5;
|
||||
latStep = 1;
|
||||
break
|
||||
case '1:10万':
|
||||
lngStep = 0.5;
|
||||
latStep = 1 / 3;
|
||||
break
|
||||
case '1:5万':
|
||||
lngStep = 0.25;
|
||||
latStep = 1 / 6;
|
||||
break
|
||||
case '1:2.5万':
|
||||
lngStep = 0.125;
|
||||
latStep = 1 / 12;
|
||||
break
|
||||
case '1:1万':
|
||||
lngStep = 0.0625;
|
||||
latStep = 1 / 24;
|
||||
break
|
||||
case '1:5000':
|
||||
lngStep = 0.03125;
|
||||
latStep = 1 / 48;
|
||||
break
|
||||
// case '1:1000':
|
||||
// lngStep = 0.01041667;
|
||||
// latStep = 0.00694444;
|
||||
// break
|
||||
// case '1:2000':
|
||||
// lngStep = 0.00520833;
|
||||
// latStep = 0.00347222;
|
||||
// break
|
||||
}
|
||||
// 确保纬度在 -88 到 88 度之间（因为 88° 以上采用特殊分幅）
|
||||
lat = Math.max(-88, Math.min(88, lat));
|
||||
lat = Math.abs(lat); // 取绝对值
|
||||
|
||||
let B6 = 'ABCDEFGHIJKLMNOPQRSTUV'
|
||||
let B2 = lng
|
||||
let B3 = lat
|
||||
|
||||
// 计算 1:100 万地形图的列号
|
||||
const col100W = Math.floor(B2 / 6 + 31);
|
||||
// 1:100 万地形图的行号对应的字母（A-V）
|
||||
const rowChar = B6.charAt(Math.floor(B3 / 4 + 1) - 1);
|
||||
|
||||
// 比例尺代码映射
|
||||
const scaleCodeMap = {
|
||||
'1:100万': '', // 1:100万不需要额外代码
|
||||
'1:50万': 'B',
|
||||
'1:25万': 'C',
|
||||
'1:10万': 'D',
|
||||
'1:5万': 'E',
|
||||
'1:2.5万': 'F',
|
||||
'1:1万': 'G',
|
||||
'1:5000': 'H'
|
||||
};
|
||||
|
||||
|
||||
// 获取比例尺代码
|
||||
const scaleCode = scaleCodeMap[scale];
|
||||
if (!scaleCode && scale !== '1:100万') {
|
||||
throw new Error('不支持的比例尺，请使用: 1:100万, 1:50万, 1:25万, 1:10万, 1:5万, 1:2.5万, 1:1万, 1:5000');
|
||||
}
|
||||
|
||||
// 计算在 1:100 万图幅内的行列号（根据不同比例尺）
|
||||
let rowIn100W, colIn100W;
|
||||
rowIn100W = rowChar + col100W;
|
||||
|
||||
const num1 = Math.floor((Math.ceil(B3 / 4) * 4 - B3) / latStep) + 1;
|
||||
const rowNum = ("000" + num1).slice(-3);
|
||||
const remainder = B2 - Math.floor(B2 / 6) * 6;
|
||||
const num2 = Math.floor(remainder / lngStep) + 1;
|
||||
const colNum = ("000" + num2).slice(-3);
|
||||
|
||||
switch (scale) {
|
||||
case '1:100万':
|
||||
// 1:100万直接使用行号和列号
|
||||
return rowIn100W;
|
||||
case '1:50万':
|
||||
break;
|
||||
case '1:25万':
|
||||
break;
|
||||
case '1:10万':
|
||||
break;
|
||||
|
||||
case '1:5万':
|
||||
break;
|
||||
|
||||
case '1:2.5万':
|
||||
break;
|
||||
|
||||
case '1:1万':
|
||||
break;
|
||||
|
||||
case '1:5000':
|
||||
break;
|
||||
|
||||
default:
|
||||
throw new Error('不支持的比例尺');
|
||||
}
|
||||
|
||||
// 生成最终编号
|
||||
return rowIn100W + scaleCode + rowNum + colNum;
|
||||
}
|
||||
|
||||
// 获取当前视角矩形范围（二维模式）
|
||||
function getViewExtend() {
|
||||
let params = {};
|
||||
let extend = viewer.camera.computeViewRectangle();
|
||||
if (viewer.scene.mode == 2) {
|
||||
//2D下会可能拾取不到坐标，extend返回undefined,所以做以下转换
|
||||
let canvas = viewer.scene.canvas;
|
||||
let upperLeft = new Cesium.Cartesian2(0, 0);//canvas左上角坐标转2d坐标
|
||||
let lowerRight = new Cesium.Cartesian2(
|
||||
canvas.clientWidth,
|
||||
canvas.clientHeight
|
||||
);//canvas右下角坐标转2d坐标
|
||||
|
||||
let ellipsoid = viewer.scene.globe.ellipsoid;
|
||||
let upperLeft3 = viewer.camera.pickEllipsoid(
|
||||
upperLeft,
|
||||
ellipsoid
|
||||
);//2D转3D世界坐标
|
||||
|
||||
let lowerRight3 = viewer.camera.pickEllipsoid(
|
||||
lowerRight,
|
||||
ellipsoid
|
||||
);//2D转3D世界坐标
|
||||
|
||||
if (!upperLeft3) {
|
||||
let cartesian2 = Cesium.SceneTransforms.wgs84ToWindowCoordinates(viewer.scene, { x: 0, y: 0, z: 6356755 });
|
||||
upperLeft.y = cartesian2.y + 5
|
||||
upperLeft3 = viewer.camera.pickEllipsoid(
|
||||
upperLeft,
|
||||
ellipsoid
|
||||
);
|
||||
}
|
||||
if (!lowerRight3) {
|
||||
let cartesian2 = Cesium.SceneTransforms.wgs84ToWindowCoordinates(viewer.scene, { x: 0, y: 0, z: -6356755 });
|
||||
lowerRight.y = cartesian2.y - 5
|
||||
lowerRight3 = viewer.camera.pickEllipsoid(
|
||||
lowerRight,
|
||||
ellipsoid
|
||||
);
|
||||
// console.log('lowerRight3', lowerRight, lowerRight3)
|
||||
}
|
||||
let upperLeftCartographic = viewer.scene.globe.ellipsoid.cartesianToCartographic(
|
||||
upperLeft3
|
||||
);//3D世界坐标转弧度
|
||||
let lowerRightCartographic = viewer.scene.globe.ellipsoid.cartesianToCartographic(
|
||||
lowerRight3
|
||||
);//3D世界坐标转弧度
|
||||
|
||||
if ((lowerRight.y - upperLeft.y) / (lowerRight.x - upperLeft.x) <= 0.49998752339363695) {
|
||||
extend = new Cesium.Rectangle(Cesium.Math.toRadians(-180), Cesium.Math.toRadians(-90), Cesium.Math.toRadians(180), Cesium.Math.toRadians(90))
|
||||
}
|
||||
else {
|
||||
extend = new Cesium.Rectangle(upperLeftCartographic.longitude, lowerRightCartographic.latitude, lowerRightCartographic.longitude, upperLeftCartographic.latitude);
|
||||
}
|
||||
|
||||
// console.log("经度：" + minx + "----" + maxx);
|
||||
// console.log("纬度：" + miny + "----" + maxy);
|
||||
|
||||
return extend;
|
||||
} else {
|
||||
//3D获取方式
|
||||
return extend;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
function close(sdk) {
|
||||
let viewer = sdk.viewer;
|
||||
let gridPrimitives
|
||||
let labelCollection
|
||||
for (let i = 0; i < viewer.scene.primitives._primitives.length; i++) {
|
||||
if (viewer.scene.primitives._primitives[i].name === 'SheetIndexGridPrimitives') {
|
||||
gridPrimitives = viewer.scene.primitives._primitives[i];
|
||||
for (let j = 0; j < gridPrimitives._primitives.length; j++) {
|
||||
if (gridPrimitives._primitives[j].name === 'SheetIndexLabelCollection') {
|
||||
labelCollection = gridPrimitives._primitives[j];
|
||||
break;
|
||||
}
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
labelCollection && (labelCollection.removeAll());
|
||||
gridPrimitives && (gridPrimitives.removeAll());
|
||||
gridPrimitives && (viewer.scene.postRender.removeEventListener(gridPrimitives.postRenderEvent));
|
||||
}
|
||||
|
||||
export { SheetIndexStatusSwitch, changeScale, getStatus }
|
||||
Reference in New Issue
Block a user