1. 程式人生 > 實用技巧 >基於SuperMap iClient JavaScript智慧環保GIS應用平臺 環保 資訊平臺 質檢 智慧城市

基於SuperMap iClient JavaScript智慧環保GIS應用平臺 環保 資訊平臺 質檢 智慧城市

  環境GIS綜合應用系統以二三維GIS平臺和基礎地理資料為支撐,整合各類環保業務資料建立環境專題圖,以直觀、形象的方式展示環境和汙染源的空間分佈規律,實現GIS資料與環境資料的整合管理、查詢統計、空間分析、專題分析、輔助決策及綜合展示等功能,方便使用者及時準確的瞭解和掌握環境汙染變化現狀和趨勢,為環境管理、環境規劃、巨集觀決策提供技術支援。

  該系統包括環境質量監測、汙染源監測、輔助決策、統計分析及一張圖管理五大功能模組,通過一張圖展示,實現環境水、環境空氣及汙染源監測監控直觀化;通過河流斷面快速溯源,實現汙染源企業定位精準化;通過水氣模擬分析,實現輔助決策智慧化;通過時空分析,實現環境與汙染源統計分析多維化;通過關聯企業一廠一檔資訊,實現汙染源企業全生命週期資訊檢視與管理。

部分原始碼,開源如下:


<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title data-i18n="resources.title_overlayAnalyst"></title>
<style>
        .ol-popup {
            position: absolute;
            top: 10px;
            right: 10px;
        }
    </style>
</head>
<body style=" margin: 0;overflow: hidden;background: #fff;width: 100%;height:100%;position: absolute;top: 0;">
<div id="map" style="width: 100%;height:100%"></div>
<div id="popup" class="ol-popup" style='width:350px'>
<div class="panel panel-default">
<div class='panel-heading'>
<h3 class='panel-title' data-i18n="resources.text_overlayAnalyst"></h3>
</div>
<div class='panel-body'>
<div class='input-group'>
<span class='input-group-addon'><span data-i18n="resources.text_sourceDataset"></span><span data-i18n="[title]resources.text_requiredField" style="color: red;"> * </span> </span>
<input id='datasetName' type='text' class='form-control' value='samples_processing_newyorkZone_R' /></div>
<p></p>
<div class='input-group'>
<span class='input-group-addon'><span data-i18n="resources.text_overlayDataset"></span><span data-i18n="[title]resources.text_requiredField" style="color: red;"> * </span></span>
<input id='datasetOverlay' type='text' class='form-control' value='samples_processing_newyorkResidential_R' />
</div>
<p></p>
<div class='input-group'>
<span class='input-group-addon'><span data-i18n="resources.text_analystMode"></span><span data-i18n="[title]resources.text_requiredField" style="color: red;"> * </span></span>
<select class='form-control' id='mode' name='mode'>
<option value='clip' selected data-i18n="resources.text_clip"></option>
<option value='intersect' data-i18n="resources.text_intersect"></option>
<option value='erase' data-i18n="resources.text_erase"></option>
<option value='union' data-i18n="resources.text_union"></option>
<option value='update' data-i18n="resources.text_update"></option>
<option value='identity' data-i18n="resources.text_identity"></option>
<option value='xor' data-i18n="resources.text_xor"></option>
</select>
</div>
<p></p>
<div class='input-group'>
<span class='input-group-addon' data-i18n="resources.text_retainedFieldSource"></span>
<input id='srcFields' type='text' class='form-control' value='LocationID' />
</div>
<p></p>
<div class='input-group' id='overlayField' style='display: none'>
<span class='input-group-addon' data-i18n="resources.text_retainedFieldOverlay"></span>
<input id='overlayFields' type='text' class='form-control' value='type' />
</div>
<p></p>
<div align='right'>
<input type='button' id='btn' class='btn btn-primary' data-i18n="[value]resources.text_analyst" />
</div>
</div>
</div>
</div>
<script type="text/javascript" include="bootstrap,jquery,widgets" src="../js/include-web.js"></script>
<script type="text/javascript" src="../../dist/ol/include-ol.js"></script>
<script type="text/javascript">
        var host = window.isLocal ? window.server : "https://iserver.supermap.io";
        var layer,
            processingsUrl = host + "/iserver/services/distributedanalyst/rest/v1/jobs",
            mapURL = host + "/iserver/services/map-world/rest/maps/World",
            map = new ol.Map({
                target: 'map',
                controls: ol.control.defaults({
                        attributionOptions: {
                            collapsed: false
                        }
                    })
                    .extend([new ol.supermap.control.Logo()]),
                view: new ol.View({
                    center: [-73.95, 40.75],
                    zoom: 12,
                    projection: 'EPSG:4326'
                })
            });
        map.addLayer(new ol.layer.Tile({
            source: new ol.source.TileSuperMapRest({
                url: mapURL,
            }),
        }));

        var processingService = new ol.supermap.ProcessingService(processingsUrl, {
            withCredentials: window.isLocal
        });

        initForm();
        bindClick();

        function initForm() {
            $("#mode").change(function () {
                var mode = $(this).val();
                if (mode == "update" || mode == "clip" || mode == "erase") {
                    $("#overlayField").hide();
                } else {
                    $("#overlayField").show();
                }
            });
            var info = new ol.control.Control({
                element: popup
            });
            info.setMap(map);
            map.addControl(info);
        }

        function bindClick() {
            $('#btn').on('click', function () {
                if ($('#msg_container')[0]) {
                    $('#msg_container').remove();
                }
                widgets.loader.showLoader();
                if (map && layer) {
                    map.removeLayer(layer);
                }
                overlayGeoJobs();
            });
        }

        SuperMap.SecurityManager.registerToken(processingsUrl, window.exampleToken);

        function overlayGeoJobs() {
            var overlayGeoJobParameter = new SuperMap.OverlayGeoJobParameter({
                datasetName: $('#datasetName').val(),
                datasetOverlay: $('#datasetOverlay').val(),
                mode: $('#mode option:selected').attr('value'),
                srcFields: $('#srcFields').val(),
                overlayFields: $('#overlayFields').val()
            });
            processingService.addOverlayGeoJob(overlayGeoJobParameter, function (serviceResult) {
                if (serviceResult.error) {
                    widgets.loader.removeLoader();
                    var errorMsg = serviceResult.error.errorMsg || "code: " + serviceResult.error.code;
                    widgets.alert.showAlert(resources.msg_createFailed + "<br>" + errorMsg, false);
                    return;
                }
                serviceResult.result.setting.serviceInfo.targetServiceInfos.map(function (info) {
                    if (info.serviceType === 'RESTMAP') {
                        SuperMap.FetchRequest.get(info.serviceAddress + '/maps').then(function (
                            response) {
                            return response.json();
                        }).then(function (result) {
                            var mapUrl = result[0].path;
                            new ol.supermap.MapService(mapUrl).getMapInfo(function (mapInfo) {
                                layer = new ol.layer.Tile({
                                    source: new ol.source.ImageSuperMapRest(ol.source
                                        .ImageSuperMapRest.optionsFromMapJSON(
                                            mapUrl, mapInfo.result))
                                });
                                map.addLayer(layer);
                                widgets.loader.removeLoader();
                            });
                        });
                    }
                });
            });
        }
    </script>
</body>
</html>