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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,189 @@ | ||
| <!--******************************************************************** | ||
| * Copyright© 2000 - 2024 SuperMap Software Co.Ltd. All rights reserved. | ||
| *********************************************************************--> | ||
| <!--******************************************************************** | ||
| * 该示例需要引入 | ||
| * Echarts (https://github.com/apache/echarts) | ||
| *********************************************************************--> | ||
| <!DOCTYPE html> | ||
| <html> | ||
|
|
||
| <head> | ||
| <meta charset="UTF-8"> | ||
| <title data-i18n="resources.title_multiphaseplay"></title> | ||
| <style> | ||
| #timeline { | ||
| position: absolute; | ||
| bottom: 50px; | ||
| width: 100%; | ||
| height: 100px; | ||
| z-index: 9999; | ||
| } | ||
|
|
||
| #title { | ||
| position: absolute; | ||
| top: 50px; | ||
| left: 50%; | ||
| transform: translateX(-50%); | ||
| z-index: 9999; | ||
| text-align: center; | ||
| font-size: 24px; | ||
| font-weight: bold; | ||
| color: rgba(0, 0, 0, 0.85); | ||
| } | ||
| .subTitle { | ||
| font-size: 16px; | ||
| font-weight: normal | ||
| } | ||
| </style> | ||
| <script type="text/javascript" src="../js/include-web.js"></script> | ||
| </head> | ||
|
|
||
| <body style=" margin: 0;overflow: hidden;background: #fff;width: 100%;height:100%;position: absolute;top: 0;"> | ||
| <div id="title"> | ||
| <div data-i18n="resources.text_multiphaseplay"></div> | ||
| <div data-i18n="resources.text_2009To2016NDVI" class="subTitle"></div> | ||
| </div> | ||
| <div id="map" style="width: 100%;height:100%"></div> | ||
| <div id="timeline"></div> | ||
| <script type="text/javascript" include="echarts" src="../../dist/leaflet/include-leaflet.js"></script> | ||
| <script type="text/javascript"> | ||
| var host = window.isLocal ? window.server : "https://iserver.supermap.io", | ||
| url = host + "/iserver/services/map-china400/rest/maps/China_4326"; | ||
| var config = { | ||
| imageService: host + "/iserver/services/imageservice-image/restjsr", | ||
| imageWMSService: host + "/iserver/services/imageservice-image/wms130/nvdi", | ||
| collection: "nvdi", | ||
| tileSize: "1028,1028", | ||
| }; | ||
| var map, allFeatures = [], | ||
| myChart, | ||
| layer, proj, | ||
| wmsUrlCache = []; | ||
|
|
||
| initMap(); | ||
|
|
||
| function initMap() { | ||
| map = new L.map('map', { | ||
| preferCanvas: true, | ||
| crs: L.CRS.EPSG4326, | ||
| center: { | ||
| lon: 100, | ||
| lat: 35 | ||
| }, | ||
| maxZoom: 18, | ||
| zoom: 3 | ||
| }); | ||
| new L.supermap.TiledMapLayer(url).addTo(map); | ||
| } | ||
|
|
||
| getAllFeatures(); | ||
|
|
||
| function getAllFeatures() { | ||
| var url = config.imageService + "/search.json?collections=" + config.collection; | ||
| $.get(config.imageService + "/collections/" + config.collection + "/tileInfo.json").then(res => { | ||
| proj = res.crs; | ||
| }); | ||
| $.get(url).then(res => { | ||
| res.features.forEach(feature => { | ||
| allFeatures.push({ | ||
| collection: feature.collection, | ||
| name: feature.assets.data.title, | ||
| time: feature.properties.createtime, | ||
| bbox: feature.bbox | ||
| }); | ||
| }); | ||
| allFeatures.forEach(feature => { | ||
| var imageExtent = feature.bbox; | ||
| var wmsurl = formatWMSURL(feature.time, imageExtent); | ||
| wmsUrlCache.push(wmsurl); | ||
| }); | ||
| start(); | ||
| }); | ||
| } | ||
|
|
||
| function start() { | ||
| addStaticImageLayer(); | ||
| layer.once("load", addTimeLine); | ||
| } | ||
|
|
||
| function addStaticImageLayer() { | ||
| var feature = allFeatures[0]; | ||
| var imageExtent = feature.bbox; | ||
| var url = formatWMSURL(feature.time, imageExtent); | ||
| layer = buildImageLayer(url, imageExtent); | ||
| layer.addTo(map); | ||
| } | ||
|
|
||
| function addTimeLine() { | ||
| var allTime = allFeatures.map(feature => feature.time.split('/')[0]); | ||
| myChart = echarts.init(document.getElementById('timeline')); | ||
| var option = { | ||
| timeline: { | ||
| axisType: 'category', | ||
| show: true, | ||
| autoPlay: true, | ||
| playInterval: 1000, | ||
| data: allTime, | ||
| label: { | ||
| normal: { | ||
| textStyle: { | ||
| color: '#111' | ||
| } | ||
| }, | ||
| emphasis: { | ||
| textStyle: { | ||
| color: '#000' | ||
| } | ||
| } | ||
| }, | ||
| controlStyle: { | ||
| normal: { | ||
| color: '#666', | ||
| borderColor: '#666' | ||
| } | ||
| } | ||
| } | ||
| } | ||
| myChart.setOption(option); | ||
| myChart.on('timelinechanged', function (params) { | ||
| var url = wmsUrlCache[params.currentIndex]; | ||
| layer.setUrl(url); | ||
| changeTimelinePlay(false); | ||
| layer.once("load", changeTimelinePlay); | ||
| }); | ||
| } | ||
|
|
||
| function changeTimelinePlay(state = true) { | ||
| myChart.dispatchAction({ | ||
| type: 'timelinePlayChange', | ||
| playState: state | ||
| }) | ||
| } | ||
|
|
||
| function formatWMSURL(time, extent) { | ||
| var commentSetting = config.imageWMSService + | ||
| '?SERVICE=WMS&VERSION=1.3.0&REQUEST=GetMap&FORMAT=image%2Fpng&TRANSPARENT=true&LAYERS=0.0.3'; | ||
| var SQLFilter = "SQLFILTER=createtime='" + time.replaceAll("/", "-") + "'"; | ||
| var crs = "CRS=" + proj; | ||
| var width = "WIDTH=" + config.tileSize.split(",")[0]; | ||
| var height = "HEIGHT=" + config.tileSize.split(",")[1]; | ||
| var bbox = [extent[1], extent[0], extent[3], extent[2]]; | ||
| var bboxStr = "BBOX=" + bbox.join(","); | ||
| return commentSetting + "&" + SQLFilter + "&" + crs + "&" + width + "&" + height + "&" + bboxStr; | ||
| } | ||
|
|
||
| function buildImageLayer(url, imageExtent) { | ||
| var imageBounds = [ | ||
| [imageExtent[1], imageExtent[0]], | ||
| [imageExtent[3], imageExtent[2]] | ||
| ]; | ||
| return L.imageOverlay(url, imageBounds, { | ||
| opacity: 0.7 | ||
| }); | ||
| } | ||
|
|
||
| </script> | ||
| </body> | ||
|
|
||
| </html> |
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