pengyu
/
tongyu_visu


			
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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_symbolGeometricQuery"></title>
    <style type="text/css">
        body {
            margin: 0;
            overflow: hidden;
            background: #fff;
            width: 100%;
            height: 100%
        }

        #map {
            position: absolute;
            width: 100%;
            height: 100%;
        }

        #toolbar {
            position: absolute;
            top: 50px;
            right: 10px;
            text-align: center;
            z-index: 100;
            border-radius: 4px;
        }
    </style>
</head>
<body>
<div id="toolbar" class="panel panel-primary">
    <div class='panel-heading'>
        <h5 class='panel-title text-center' data-i18n="resources.title_symbolGeometricQuery"></h5></div>
    <div class='panel-body content'>
        <input type="button" class="btn btn-default" data-i18n="[value]resources.btn_polygon" onclick="drawPolygon()"/>
        <input type="button" class="btn btn-default" data-i18n="[value]resources.btn_circle" onclick="drawCircle()"/>
        <input type="button" class="btn btn-default" data-i18n="[value]resources.btn_rectangle"
               onclick="drawRectangle()"/>
        <input type="button" class="btn btn-default" data-i18n="[value]resources.btn_cancel" onclick="cancle()"/>
    </div>
</div>
<div id="map"></div>
<script type="text/javascript" include="bootstrap" src="../js/include-web.js"></script>
<script type="text/javascript" exclude="iclient-classic" include="iclient8c-plot" src="../../dist/classic/include-classic.js"></script>
<script>
    var plottingLayer, plottingEdit, layer, symbolLibManager;
    var drawGraphicObject;
    var map;
    var host = window.isLocal ? window.server : "https://iserver.supermap.io";
    var mapurl = host + "/iserver/services/map-world/rest/maps/World";
    var serverUrl = host + "/iserver/services/plot-jingyong/rest/plot/";
    var plotting, vectorLayer;
    var queryResult = [];
    init();

    function init() {
        map = new SuperMap.Map("map", {
            controls: [
                new SuperMap.Control.ScaleLine(),
                new SuperMap.Control.Zoom(),
                new SuperMap.Control.Navigation({
                    dragPanOptions: {
                        enableKinetic: true
                    }
                })]
        });
        map.addControl(new SuperMap.Control.LayerSwitcher(), new SuperMap.Pixel(42, 80));
        layer = new SuperMap.Layer.TiledDynamicRESTLayer("World", mapurl, {
            transparent: true,
            cacheEnabled: true
        }, {maxResolution: "auto"});
        layer.events.on({"layerInitialized": addLayer});

        plottingLayer = new SuperMap.Layer.PlottingLayer("标绘图层", serverUrl);
        plottingLayer.style = {
            fillColor: "#66cccc",
            fillOpacity: 0.4,
            strokeColor: "#66cccc",
            strokeOpacity: 1,
            strokeWidth: 3,
            pointRadius: 6
        };

        plotting = SuperMap.Plotting.getInstance(map, serverUrl);

        //态势标绘编辑
        plottingEdit = new SuperMap.Control.PlottingEdit();

        //
        vectorLayer = new SuperMap.Layer.PlottingLayer("Vector Layer", serverUrl);

        drawGraphicObject = new SuperMap.Control.DrawFeature(vectorLayer, SuperMap.Handler.GraphicObject);
        drawGraphicObject.events.on({"featureadded": drawCircleCompleted});
        map.addControls([drawGraphicObject, plottingEdit]);
    }

    function addLayer() {
        map.addLayers([layer, plottingLayer, vectorLayer]);
        map.setCenter(new SuperMap.LonLat(0, 0), 0);
        plottingEdit.activate();
        //加载标号库
        loadSymbolLib();
    }

    function loadSymbolLib() {
        symbolLibManager = plotting.getSymbolLibManager();
        symbolLibManager.libIDs = [421];
        symbolLibManager.events.on({"initializeCompleted": symbolLibInitializeCompleted});
        symbolLibManager.initializeAsync();
    }

    function symbolLibInitializeCompleted() {
        //绘制点标号
        plotSymbol();
    }

    function plotSymbol() {
        var symbolLib = symbolLibManager.getSymbolLibByIndex(0);

        var libID = 421;
        var code = 20100;

        for (var i = 0; i < 10; i++) {
            var pts = [];
            var x = Math.random() * 100;
            var y = Math.random() * 50;
            pts.push(new SuperMap.Geometry.Point(x, y));
            plottingLayer.createSymbolWC(libID, code, pts);
        }

        for (var i = 0; i < 10; i++) {
            var pts = [];
            var x = -Math.random() * 100;
            var y = Math.random() * 50;
            pts.push(new SuperMap.Geometry.Point(x, y));
            plottingLayer.createSymbolWC(libID, code, pts);
        }

        for (var i = 0; i < 10; i++) {
            var pts = [];
            var x = Math.random() * 100;
            var y = -Math.random() * 50;
            pts.push(new SuperMap.Geometry.Point(x, y));
            plottingLayer.createSymbolWC(libID, code, pts);
        }

        for (var i = 0; i < 10; i++) {
            var pts = [];
            var x = -Math.random() * 100;
            var y = -Math.random() * 50;
            pts.push(new SuperMap.Geometry.Point(x, y));
            plottingLayer.createSymbolWC(libID, code, pts);
        }
    }

    //设置选择区域标号的默认颜色
    function setDefualtStyle() {
        var defualtStyle = plotting.getDefaultStyle();
        defualtStyle.defaultFlag = true;
        defualtStyle.lineColor = "#00FF00";
    }

    function drawCircleCompleted(obj) {

        var feature = obj.feature;
        var geoGraphicObject = feature.geometry;

        var pts = [];
        for (var i = 0; i < geoGraphicObject.controlPoints.length; i++) {
            pts.push(map.getPixelFromLonLat(new SuperMap.LonLat(geoGraphicObject.controlPoints[i].x, geoGraphicObject.controlPoints[i].y)));
        }

        //进行查询
        var queryGO = plotting.getQuery();
        //多边形
        if (SuperMap.Plot.SymbolType.ARBITRARYPOLYGONSYMBOL === geoGraphicObject.symbolType) {
            queryResult = queryGO.getGObjectsInPolygon(pts, pts.length);
        }
        //圆
        else if (SuperMap.Plot.SymbolType.CIRCLESYMBOL === geoGraphicObject.symbolType) {
            var radius = Math.sqrt((pts[1].x - pts[0].x) * (pts[1].x - pts[0].x) + (pts[1].y - pts[0].y) * (pts[1].y - pts[0].y));
            queryResult = queryGO.getGObjectsInCircle(pts[0].x, pts[0].y, radius);
        }
        //矩形
        else if (SuperMap.Plot.SymbolType.RECTANGLESYMBOL === geoGraphicObject.symbolType) {
            var leftX, upY, rightX, downY;
            if (pts[0].x < pts[1].x) {
                leftX = pts[0].x;
                rightX = pts[1].x;
            }
            else {
                leftX = pts[1].x;
                rightX = pts[0].x;
            }

            if (pts[0].y > pts[1].y) {
                upY = pts[0].y;
                downY = pts[1].y;
            }
            else {
                upY = pts[1].y;
                downY = pts[0].y;
            }

            queryResult = queryGO.getGObjectsInRect(leftX, downY, rightX - leftX, upY - downY);
        }

        for (var i = 0; i < queryResult.length; i++) {
            queryResult[i].style.strokeColor = "#0000FF";
        }
        plottingLayer.redraw();

        clearStatus();
    }

    function clearStatus() {
        drawGraphicObject.deactivate();
        vectorLayer.removeAllFeatures();
    }

    function resetGeometryStyle() {
        for (var i = 0; i < queryResult.length; i++) {
            queryResult[i].style.strokeColor = "#FF0000";
        }
        plottingLayer.redraw();

        queryResult = [];
    }


    function drawPolygon() {
        setDefualtStyle();

        resetGeometryStyle();
        clearStatus();

        drawGraphicObject.handler.libID = 0;
        drawGraphicObject.handler.symbolCode = SuperMap.Plot.SymbolType.ARBITRARYPOLYGONSYMBOL;
        drawGraphicObject.handler.serverUrl = serverUrl;

        drawGraphicObject.deactivate();
        drawGraphicObject.activate();
    }

    function drawCircle() {
        setDefualtStyle();

        resetGeometryStyle();
        clearStatus();

        drawGraphicObject.handler.libID = 0;
        drawGraphicObject.handler.symbolCode = SuperMap.Plot.SymbolType.CIRCLESYMBOL;
        drawGraphicObject.handler.serverUrl = serverUrl;

        drawGraphicObject.deactivate();
        drawGraphicObject.activate();

    }

    function drawRectangle() {
        setDefualtStyle();

        resetGeometryStyle();
        clearStatus();

        drawGraphicObject.handler.libID = 0;
        drawGraphicObject.handler.symbolCode = SuperMap.Plot.SymbolType.RECTANGLESYMBOL;
        drawGraphicObject.handler.serverUrl = serverUrl;

        drawGraphicObject.deactivate();
        drawGraphicObject.activate();
    }

    function cancle() {
        resetGeometryStyle();
        clearStatus();
    }

    function PlottingDrawCancel() {

        drawGraphicObject.deactivate();
        plottingEdit.deactivate();
        plottingEdit.activate();

    }

    document.onmouseup = function (evt) {
        var evt = evt || window.event;
        if (evt.button === 2) {
            PlottingDrawCancel();
            cancle();
            return false;
        }
        evt.stopPropagation();
    }

</script>

</body>
</html>