fuyuhang
/
Project_yhfu
Mirror von http://121.37.83.100:3000/sooka_onest/sooka_onest_forestfire_vue2_visualization.git


			
				
					
						
						
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							<!--********************************************************************
* Copyright© 2000 - 2021 SuperMap Software Co.Ltd. All rights reserved.
*********************************************************************-->
<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title data-i18n="resources.title_mathExpression"></title>
    <script type="text/javascript" src="../js/include-web.js"></script>
    <script type="text/javascript" src="../../dist/mapboxgl/include-mapboxgl.js"></script>
</head>
<body style=" margin: 0;overflow: hidden;background: #fff;width: 100%;height:100%;position: absolute;top: 0;">
<div id="map" style="margin:0 auto;width: 100%;height: 100%"></div>
<script type="text/javascript">
    var host = window.isLocal ? window.server : "https://iserver.supermap.io";
    var map, mathExpressionAnalysisService, mathExpressionAnalysisParameters, mathExpressionAnalysisResult,
        themeService, themeGridRange, themeParameters, themeLayer,
        baseUrl = host + "/iserver/services/map-jingjin/rest/maps/京津地区地图/zxyTileImage.png?z={z}&x={x}&y={y}",
        dataUrl = host + "/iserver/services/map-jingjin/rest/maps/京津地区地图",
        serviceUrl = host + "/iserver/services/spatialanalyst-sample/restjsr/spatialanalyst",
        attribution = "<a href='https://www.mapbox.com/about/maps/' target='_blank'>© Mapbox </a>" +
            " with <span>© <a href='https://iclient.supermap.io' target='_blank'>SuperMap iClient</a> | </span>" +
            " Map Data <span>© <a href='http://support.supermap.com.cn/product/iServer.aspx' target='_blank'>SuperMap iServer</a></span> ";
    map = new mapboxgl.Map({
        container: 'map',
        style: {
            "version": 8,
            "sources": {
                "raster-tiles": {
                    "attribution": attribution,
                    "type": "raster",
                    "tiles": [baseUrl],
                    "tileSize": 256
                }
            },
            "layers": [{
                "id": "simple-tiles",
                "type": "raster",
                "source": "raster-tiles",
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        },
        center: [116.85, 39.79],
        zoom: 7
    });
    map.addControl(new mapboxgl.NavigationControl(), 'top-left');
    map.addControl(new mapboxgl.supermap.LogoControl(), 'bottom-right');

    map.on("load", function () {
        mathExpressionAnalysisProcess();
    });

    function mathExpressionAnalysisProcess() {
        //创建栅格代数运算服务实例
        mathExpressionAnalysisService = new mapboxgl.supermap.SpatialAnalystService(serviceUrl);
        //创建栅格代数运算参数实例
        mathExpressionAnalysisParameters = new SuperMap.MathExpressionAnalysisParameters({
            //指定数据集,必设
            dataset: "JingjinTerrain@Jingjin",
            //要执行的栅格运算代数表达式,必设
            expression: "[Jingjin.JingjinTerrain] + 600",
            //存储结果数据集的数据源,必设
            targetDatasource: "Jingjin",
            //结果数据集名称,必设
            resultGridName: "MathExpressionAnalysis_Result",
            deleteExistResultDataset: true
            /*//指定数据集中参与栅格代数运算的区域
             extractRegion: L.polygon([
             [38, 116],
             [38, 117],
             [42, 117],
             [42, 116]
             ])*/
        });
        //向iServer发起栅格代数运算请求
        mathExpressionAnalysisService.mathExpressionAnalysis(mathExpressionAnalysisParameters, function (serviceResult) {
            mathExpressionAnalysisResult = serviceResult.result;
            //用栅格专题图展示分析结果
            showAnalysisResult_ThemeGridRange();
        });
    }

    function showAnalysisResult_ThemeGridRange() {
        themeService = new mapboxgl.supermap.ThemeService(dataUrl);
        var themeGridRangeIteme1 = new SuperMap.ThemeGridRangeItem({
                start: 0,
                end: 650,
                color: new SuperMap.ServerColor(40, 140, 40)
            }),
            themeGridRangeIteme2 = new SuperMap.ThemeGridRangeItem({
                start: 650,
                end: 750,
                color: new SuperMap.ServerColor(170, 198, 40)
            }),
            themeGridRangeIteme3 = new SuperMap.ThemeGridRangeItem({
                start: 750,
                end: 900,
                color: new SuperMap.ServerColor(191, 191, 0)
            }),
            themeGridRangeIteme4 = new SuperMap.ThemeGridRangeItem({
                start: 900,
                end: 1350,
                color: new SuperMap.ServerColor(191, 95, 0)
            }),
            themeGridRangeIteme5 = new SuperMap.ThemeGridRangeItem({
                start: 1350,
                end: 3600,
                color: new SuperMap.ServerColor(127, 0, 0)
            });
        themeGridRange = new SuperMap.ThemeGridRange({
            reverseColor: false,
            rangeMode: SuperMap.RangeMode.EQUALINTERVAL,
            //栅格分段专题图子项数组
            items: [themeGridRangeIteme1,
                themeGridRangeIteme2,
                themeGridRangeIteme3,
                themeGridRangeIteme4,
                themeGridRangeIteme5
            ]
        });
        themeParameters = new SuperMap.ThemeParameters({
            //制作专题图的数据集
            datasetNames: [mathExpressionAnalysisResult.dataset.split('@')[0]],
            dataSourceNames: ["Jingjin"],
            joinItems: null,
            themes: [themeGridRange]
        });
        themeService.getThemeInfo(themeParameters, function (serviceResult1) {
            var result = serviceResult1.result;
            if (result && result.newResourceID) {
                map.addLayer({
                    "id": "themeLayer",
                    "type": "raster",
                    "source": {
                        "type": "raster",
                        "tiles": [baseUrl + "&transparent=true&cacheEnabled=false&layersID=" + result.newResourceID],
                        "tileSize": 256
                    },
                    "minzoom": 0,
                    "maxzoom": 22
                });
            }
        });
    }
</script>
</body>
</html>