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- <!--********************************************************************
- * Copyright© 2000 - 2021 SuperMap Software Co.Ltd. All rights reserved.
- *********************************************************************-->
- <!DOCTYPE html>
- <html lang="en-US">
- <head>
- <meta charset="UTF-8" />
- <title data-i18n="resources.title_componentsUniqueTheme_Vue"></title>
- <style>
- #main {
- margin: 0 auto;
- }
- #main,
- #map {
- position: absolute;
- width: 100%;
- height: 100%
- }
- .legendItemHeader,
- .legendItemValue {
- width: 120px;
- height: 18px;
- font-size: 14px;
- }
- </style>
- </head>
- <body style=" margin: 0;overflow: hidden;background: #fff;width: 100%;height:100%;position: absolute;top: 0;">
- <div id="main">
- <sm-web-map :map-options="mapOptions" @load="mapIsLoaded">
- <sm-unique-theme-layer :options="themeOptions" layer-name="UniqueThemeLayer"
- :data="features" @load="layerLoaded" v-show="!!features.length">
- </sm-unique-theme-layer>
- </sm-web-map>
- <!-- 属性表 -->
- <div style="width: 272px;float:right">
- <div id="infoBox" class="panel panel-primary infoPane"
- style="width:272px;margin-top: 250px;position: absolute;fontSize:14px;display: none;float:right">
- <div class="panel-heading">
- <h5 class='panel-title text-center' data-i18n="resources.text_attributeTable"></h5>
- </div>
- <div id="infoContent" class="panel-body content">
- </div>
- </div>
- </div>
- </div>
- <script type="text/javascript" include="widgets,vue,bootstrap" src="../js/include-web.js"></script>
- <script include="iclient-mapboxgl-vue,mapbox-gl-enhance" src="../../dist/mapboxgl/include-mapboxgl.js"></script>
- <script>
- widgets.loader.showLoader('data loading...');
- var HOST = window.isLocal ? window.server : "https://iserver.supermap.io";
- var dataUrl = HOST + "/iserver/services/data-jingjin/rest/data";
- var getFeatureParam, getFeatureBySQLService, getFeatureBySQLParams;
- getFeatureParam = new SuperMap.FilterParameter({
- name: "Jingjin",
- attributeFilter: "SMID > -1"
- });
- getFeatureBySQLParams = new SuperMap.GetFeaturesBySQLParameters({
- queryParameter: getFeatureParam,
- toIndex: 500,
- datasetNames: ["Jingjin:Landuse_R"]
- });
- getFeatureBySQLService = new SuperMap.GetFeaturesBySQLService(dataUrl, {
- format: SuperMap.DataFormat.ISERVER,
- eventListeners: { "processCompleted": processCompleted }
- });
- getFeatureBySQLService.processAsync(getFeatureBySQLParams);
- function processCompleted(getFeaturesEventArgs) {
- var result = getFeaturesEventArgs.result;
- var feas = [];
- if (result && result.features) {
- widgets.loader.removeLoader();
- var resultFeatures = result.features;
- var IHFeas = []; //岛洞多面
- for (var i = 0, len = resultFeatures.length; i < len; i++) {
- var feature = resultFeatures[i];
- var smid = feature.fieldValues[0];
- if (smid === "86" || smid === "87" || smid === "89") {
- // islandHoleHandlerForFeature 处理岛洞面
- IHFeas.push(islandHoleHandlerForFeature(feature));
- }
- else {
- feas.push(feature);
- }
- }
- // 岛洞多面要素必需在其他要素之前添加
- features = IHFeas.concat(feas);
- new Vue({
- el: '#main',
- data() {
- var 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> ";
- return {
- mapOptions: {
- container: 'map',
- style: {
- "version": 8,
- "sources": {
- "raster-tiles": {
- "attribution": attribution,
- "type": "raster",
- "tiles": [HOST + '/iserver/services/map-jingjin/rest/maps/京津地区地图/zxyTileImage.png?z={z}&x={x}&y={y}'],
- "tileSize": 256,
- },
- },
- "layers": [{
- "id": "simple-tiles",
- "type": "raster",
- "source": "raster-tiles",
- "minzoom": 0,
- "maxzoom": 22
- }]
- },
- center: [116.85, 39.79],
- zoom: 7
- },
- features,
- themeOptions: {
- // map: map, //该可选参数将在下个版本遗弃
- attributions: " ",
- style: {
- shadowBlur: 3,
- shadowColor: "#000000",
- shadowOffsetX: 1,
- shadowOffsetY: 1,
- fillColor: "#FFFFFF"
- },
- isHoverAble: true,
- highlightStyle: {
- stroke: true,
- strokeWidth: 2,
- strokeColor: 'blue',
- fillColor: "#00F5FF",
- fillOpacity: 0.2
- },
- themeField: "LANDTYPE",
- styleGroups: [
- {
- value: "草地",
- style: {
- fillColor: "#C1FFC1"
- }
- },
- {
- value: "城市",
- style: {
- fillColor: "#CD7054"
- }
- },
- {
- value: "灌丛",
- style: {
- fillColor: "#7CCD7C"
- }
- },
- {
- value: "旱地",
- style: {
- fillColor: "#EE9A49"
- }
- },
- {
- value: "湖泊水库",
- style: {
- fillColor: "#8EE5EE"
- }
- },
- {
- value: "经济林",
- style: {
- fillColor: "#548B54"
- }
- },
- {
- value: "沙漠",
- style: {
- fillColor: "#DEB887"
- }
- },
- {
- value: "水浇地",
- style: {
- fillColor: "#E0FFFF"
- }
- },
- {
- value: "水田",
- style: {
- fillColor: "#388E8E"
- }
- },
- {
- value: "用材林",
- style: {
- fillColor: "#556B2F"
- }
- },
- {
- value: "沼泽",
- style: {
- fillColor: "#2F4F4F"
- }
- },
- {
- value: "缺省风格",
- style: {
- fillColor: "#ABABAB"
- }
- }
- ]
- }
- };
- },
- methods: {
- mapIsLoaded(e) {
- this.map = e.map;
- },
- layerLoaded(themeLayer) {
- themeLayer.on('mousemove', function (e) {
- if (e.target && e.target.refDataID) {
- document.getElementById("infoBox").style.display = "block";
- var fid = e.target.refDataID;
- var fea = themeLayer.getFeatureById(fid);
- if (fea) {
- document.getElementById("infoContent").innerHTML = "";
- document.getElementById("infoContent").innerHTML += "ID: " + fea.attributes.SMID + "<br/>";
- document.getElementById("infoContent").innerHTML += resources.text_landType + ": " + fea.attributes.LANDTYPE + "<br/>";
- document.getElementById("infoContent").innerHTML += resources.text_area + parseFloat(fea.attributes.SMAREA).toFixed(5) + "<br/>";
- }
- }
- else {
- document.getElementById("infoContent").innerHTML = "";
- document.getElementById("infoBox").style.display = "none";
- }
- });
- }
- }
- });
- }
- }
- /*
- * Method: islandHoleHandlerForFeature。
- * 要素岛洞处理。
- *
- * 多面中,一个子面包含另一个子面,则被包含子面处理为岛洞。
- *
- * Parameters:
- * multiPolygon - {<SuperMap.Feature.Vector>} 需要进行岛洞处理的要素。
- *
- * Returns:
- * {<SuperMap.Feature.Vector>} 处理后的要素。
- */
- function islandHoleHandlerForFeature(feature) {
- if (feature.geometry instanceof SuperMap.Geometry.MultiPolygon && feature.geometry.components.length > 1) {
- var newGeometry = islandHoleHandlerForMultiPolygon(feature.geometry);
- feature.geometry = newGeometry;
- }
- return feature;
- /*
- * Method: islandHoleHandlerForMultiPolygon
- * 处理误判为岛洞的多面。
- *
- * iClient 在解析 iServer 数据时,默认将面要素处理为 MultiPolygon 类型,但有的面要素带有岛洞,
- * 这种情况下应该做特殊处理,本函数可以对一个多面进行岛洞处理,并返回新的多面。
- *
- * Parameters:
- * multiPolygon - {<SuperMap.Geometry.MultiPolygon>} 需要进行岛洞处理的多面。
- *
- * Returns:
- * {<SuperMap.Geometry.MultiPolygon>} 处理后的多面。
- */
- function islandHoleHandlerForMultiPolygon(multiPolygon) {
- if (multiPolygon instanceof SuperMap.Geometry.MultiPolygon && multiPolygon.components.length > 1) {
- var mPTmp = multiPolygon.clone();
- var componentsPolygons = mPTmp.components;
- //洞面关系数组
- var polygonHoleGroup = [];
- for (var k = 0, len = componentsPolygons.length; k < len; k++) {
- var geoPolygon = componentsPolygons[k];
- //不处理已经是岛洞的面
- if (geoPolygon.components.length = 1) {
- var lineRings = geoPolygon.components[0];
- //将每个点放到面中进行判断
- for (var j = 0, len1 = componentsPolygons.length; j < len1; j++) {
- if (componentsPolygons[j].components.length != 1) continue;
- if (j != k) {
- var polygonGeoComp = componentsPolygons[j].components[0].components;
- //假设此面为岛洞
- var isAllPoiIn = true;
- for (var i = 0, len2 = geoPolygon.components.length; i < len2; i++) {
- var point = lineRings.components[i];
- if (isPointInPoly(point, polygonGeoComp) == false) {
- isAllPoiIn = false;
- continue;
- }
- }
- //确定并记录洞面关系
- if (isAllPoiIn == true) {
- var polygonHole = [j, k];
- polygonHoleGroup.push(polygonHole);
- }
- }
- }
- }
- else {
- continue;
- }
- }
- // 根据洞面信息重构多面 Geometry。
- var bPsTmp = [];
- var hPsTmp = [];
- for (var m = 0, len3 = polygonHoleGroup.length; m < len3; m++) {
- bPsTmp.push(polygonHoleGroup[m][0]);
- hPsTmp.push(polygonHoleGroup[m][1]);
- }
- //岛洞基础面
- var bPs = delRepeatInArray(bPsTmp);
- //洞面
- var hPs = delRepeatInArray(hPsTmp);
- //独立面
- var iPs = [];
- //查找独立面
- for (var isIPs = 0, compLen = componentsPolygons.length; isIPs < compLen; isIPs++) {
- var isNoHP = true;
- for (var o = 0, len = bPs.length; o < len; o++) {
- if (isIPs == bPs[o]) {
- isNoHP = false;
- break;
- }
- }
- if (isNoHP == true) {
- for (var o = 0, len = hPs.length; o < len; o++) {
- if (isIPs == hPs[o]) {
- isNoHP = false;
- break;
- }
- }
- }
- if (isNoHP == true) {
- iPs.push(isIPs);
- }
- }
- //新洞面信息
- var hpInfo = [];
- //组织新geometry所需要的信息
- for (var o = 0, len4 = bPs.length; o < len4; o++) {
- var ph = [];
- ph.push(bPs[o]);
- for (var m = 0, len3 = polygonHoleGroup.length; m < len3; m++) {
- if (bPs[o] == polygonHoleGroup[m][0]) {
- ph.push(polygonHoleGroup[m][1]);
- }
- }
- if (ph.length > 1) {
- hpInfo.push(ph);
- }
- }
- var newComponents = [];
- //岛洞子面处理
- for (var m = 0, len3 = hpInfo.length; m < len3; m++) {
- var geoP = hpInfo[m];
- var newLineRings = [];
- for (var n = 0, len6 = geoP.length; n < len6; n++) {
- newLineRings.push(componentsPolygons[geoP[n]].components[0]);
- }
- var newGeoPolygon = new SuperMap.Geometry.Polygon(newLineRings);
- newComponents.push(newGeoPolygon)
- }
- //独立子面处理
- for (var s = 0, len7 = iPs.length; s < len7; s++) {
- var is = iPs[s];
- newComponents.push(componentsPolygons[is])
- }
- multiPolygon.components = newComponents;
- }
- return multiPolygon;
- }
- /*
- * Method: delRepeatInArray
- * 删除数组中的重复元素。
- *
- * Parameters:
- * arr - {Array} 要进行重复元素删除的数组。
- *
- * Returns:
- * {Array} 无重复元素的数组。
- */
- function delRepeatInArray(arr) {
- var newArray = [];
- var provisionalTable = {};
- for (var i = 0, a; (a = arr[i]) != null; i++) {
- if (!provisionalTable[a]) {
- newArray.push(a);
- provisionalTable[a] = true;
- }
- }
- return newArray;
- }
- /*
- * Method: PointInPoly
- * 判断一个点是否在多边形里面。(射线法)
- *
- * Parameters:
- * pt - {Object} 需要判定的点对象,该对象含有属性x(横坐标),属性y(纵坐标)。
- * poly - {Array(Objecy)} 多边形节点数组。例如一个四边形:[{"x":1,"y":1},{"x":3,"y":1},{"x":6,"y":4},{"x":2,"y":10},{"x":1,"y":1}]。
- *
- * Returns:
- * {Boolean} 点是否在多边形内。
- */
- function isPointInPoly(pt, poly) {
- for (var isIn = false, i = -1, l = poly.length, j = l - 1; ++i < l; j = i)
- ((poly[i].y <= pt.y && pt.y < poly[j].y) || (poly[j].y <= pt.y && pt.y < poly[i].y))
- && (pt.x < (poly[j].x - poly[i].x) * (pt.y - poly[i].y) / (poly[j].y - poly[i].y) + poly[i].x)
- && (isIn = !isIn);
- return isIn;
- }
- }
- </script>
- </body>
- </html>
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