supermap学习系列（六）—自定义地图添加点、线、面标注

2016/7/21 14:56:13 0人评论 6739次浏览
参考资源超图地理信息云门户-示例：
http://www.supermapcloud.com/online/developAPI.html
上代码：
[html]view plaincopy
				
			<p><!DOCTYPE html>  
		
			<html xmlns="<a target="_blank" href="http://www.w3.org/1999/xhtml">http://www.w3.org/1999/xhtml</a>">  
		
			<head>  
		
			    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />  
		
			    <title></title>   
		
			    <script src="libs/SuperMap.Include.js"></script>        
		
			    <script type="text/javascript">      
		
			        var map, layer, popup;  
		
			        var featuresLayer, drawLine, drawPoint, drawPolygon, selectDrawFeature;  
		
			        var drawFeatureStyle = {  
		
			            strokeColor: null,  
		
			            strokeWidth: null,  
		
			            strokeOpacity: null,  
		
			            pointRadius: 6,  
		
			            fillColor: null,  
		
			            fillOpacity: null,  
		
			            cursor: "pointer"  
		
			        };//定义要添加要素的样式    
		
			        var selectStyle={  
		
			            strokeColor: "#0099FF",  
		
			            strokeWidth: 2,  
		
			            pointerEvents: "visiblePainted",  
		
			            fillColor: "#FF8247",  
		
			            fillOpacity: 0.4,  
		
			            pointRadius: 6,  
		
			            label: "",  
		
			            fontSize: 14,  
		
			            fontWeight: "normal",  
		
			            cursor: "pointer"  
		
			        };// 点击添加的元素之后的样式  
		
			        // 设置访问的GIS服务地址  
		
			        var url = "<a target="_blank" href="http://localhost:8090/iserver/services/map-ChinaTestWorkPlace/rest/maps/ChinaTest">http://localhost:8090/iserver/services/map-ChinaTestWorkPlace/rest/maps/ChinaTest</a>";  
		
			        function GetMap() {  
		
			            // 创建地图对象  
		
			            map = new SuperMap.Map("map");  
		
			            //control = new SuperMap.Control.MousePosition();     //该控件显示鼠标移动时，所在点的地理坐标。  
		
			            //map.addControl(control);  //添加控件    
		
			            featuresLayer = new SuperMap.Layer.Vector("<a target="_blank" href="mailto:test!@#');//">test!@#");//</a>  test!@#  是图层的name属性  
		
			            drawLine = new SuperMap.Control.DrawFeature(featuresLayer, SuperMap.Handler.Path, { multi: true });  
		
			            drawLine.events.on({ "featureadded": drawCompleted });  
		
			            drawPoint = new SuperMap.Control.DrawFeature(featuresLayer, SuperMap.Handler.Point, { multi: true });  
		
			            drawPoint.events.on({ "featureadded": drawCompleted });  
		
			            drawPolygon = new SuperMap.Control.DrawFeature(featuresLayer, SuperMap.Handler.Polygon, { multi: true });  
		
			            drawPolygon.events.on({ "featureadded": drawCompleted });  
		
			            map.addControls([drawLine, drawPoint, drawPolygon]);  
		
			            map.addLayer(featuresLayer);  
		
			            // 创建图层对象  
		
			            layer = new SuperMap.Layer.TiledDynamicRESTLayer("World", url, { transparent: true, cacheEnabled: true }, { maxResolution: "auto" });  
		
			            layer.events.on({ "layerInitialized": AddLayer });  
		
			        }  
		
			        // 加载图层  
		
			        function AddLayer() {  
		
			            // 向Map添加图层  
		
			            map.addLayer(layer);  
		
			            map.setCenter(new SuperMap.LonLat(116.409749, 39.912344), 1);</p><p>            //这里添加两种事件方式点击事件和mouseover事件，都可以实现，这里屏蔽掉单击事件。  
		
			            //  添加单击事件  
		
			            //selectDrawFeature = new SuperMap.Control.SelectFeature(featuresLayer, {  
		
			            //    onSelect: openWindow,  
		
			            //    onUnselect: unfeatueSelect  
		
			            //});  
		
			            //selectDrawFeature.repeat = true;  
		
			            //selectDrawFeature.toggle = true;  
		
			            //map.addControl(selectDrawFeature);  
		
			            //selectDrawFeature.activate();     
		
			            //添加鼠标mouseover 事件  
		
			            selectDrawFeature = new SuperMap.Control.SelectFeature(featuresLayer, {  
		
			                onSelect: openWindow,  
		
			                onUnselect: unfeatueSelect,  
		
			                hover:true  
		
			            });              
		
			            map.addControl(selectDrawFeature);  
		
			            selectDrawFeature.activate();  
		
			        }          
		
			        function drawFeature(type) {  
		
			            var fillColor = document.getElementById("color1").value;  
		
			            var strokeColor = document.getElementById("color2").value;  
		
			            var opacity = document.getElementById("txtOpacity").value;  
		
			            var lineWidth = document.getElementById("txtLineWidth").value;  
		
			            drawFeatureStyle.fillColor = fillColor;  
		
			            drawFeatureStyle.strokeColor = strokeColor;  
		
			            drawFeatureStyle.strokeWidth = lineWidth;  
		
			            drawFeatureStyle.strokeOpacity = opacity;  
		
			            drawFeatureStyle.fillOpacity = opacity;  
		
			            if (type === "point") {  
		
			                drawPoints();  
		
			            }  
		
			            else if (type === "line") {  
		
			                drawLines();  
		
			            }  
		
			            else if (type === "polygon") {  
		
			                drawPolygons();  
		
			            }  
		
			        }  
		
			        function drawPoints() {  
		
			            featuresLayer.style = drawFeatureStyle;  
		
			            drawPoint.activate();  
		
			        }  
		
			        function drawLines() {  
		
			            featuresLayer.style = drawFeatureStyle;  
		
			            drawLine.activate();  
		
			        }  
		
			        function drawPolygons() {  
		
			            featuresLayer.style = drawFeatureStyle;  
		
			            drawPolygon.activate();  
		
			        }  
		
			        function drawCompleted(drawGeometryArgs) {  
		
			            drawLine.deactivate();  
		
			            drawPoint.deactivate();  
		
			            drawPolygon.deactivate();             
		
			        }         
		
			        function clearAll() {  
		
			            featuresLayer.removeAllFeatures();  
		
			        }  
		
			        function openWindow(feature) {  
		
			            var name;  
		
			            if (feature.geometry.CLASS_NAME == "SuperMap.Geometry.MultiPoint") {  
		
			                name = "标注点";  
		
			            } else if (feature.geometry.CLASS_NAME == "SuperMap.Geometry.MultiPolygon") {  
		
			                name = "标注面"  
		
			            } else {  
		
			                name = "标注线"  
		
			            }  
		
			            popup = new SuperMap.Popup.FramedCloud("chicken",  
		
			                                     feature.geometry.getBounds().getCenterLonLat(),  
		
			                                     null,  
		
			                                     name,  
		
			                                     null, true);  
		
			            feature.popup = popup;  
		
			            popup.panMapIfOutOfView = true;  
		
			            map.addPopup(popup);  
		
			            feature.style = selectStyle;  
		
			            featuresLayer.redraw();  
		
			            featuresLayer.setOpacity(0.5);  
		
			        }  
		
			        function unfeatueSelect(feature) {  
		
			            map.removePopup(feature.popup);  
		
			            feature.popup.destroy();  
		
			            feature.popup = null;</p><p>            feature.style = drawFeatureStyle;  
		
			            featuresLayer.redraw();  
		
			        }  
		
			    </script>  
		
			</head>  
		
			<body onload="GetMap()">    
		
			    <div>  
		
			        <img alt="点" src="resource/controlImages/drawPoint.png" onclick="drawFeature('point')" />  
		
			        <img alt="线" src="resource/controlImages/drawLine.png" onclick="drawFeature('line')" />  
		
			        <img alt="面" src="resource/controlImages/drawRegion.png" onclick="drawFeature('polygon')" />  
		
			        <img alt="清除" src="resource/controlImages/eraser.png" onclick="clearAll()" />  
		
			    </div>    
		
			    <div>  
		
			       <table style="font-size: 12px">  
		
			                <tr>  
		
			                    <td>  
		
			                        填充颜色：  
		
			                    </td>  
		
			                    <td>  
		
			                        <input type="text" size="10" id="color1" maxlength="7" name="rgb1" value="#FFFFFF"  
		
			                            onclick="showColorPicker(this, document.forms[0].rgb1)"/>  
		
			                    </td>  
		
			                </tr>  
		
			                <tr>  
		
			                    <td>  
		
			                        填充透明度：  
		
			                    </td>  
		
			                    <td>  
		
			                        <select id="txtOpacity">  
		
			                            <option value="0.1">0.1</option>  
		
			                            <option value="0.2">0.2</option>  
		
			                            <option value="0.3">0.3</option>  
		
			                            <option value="0.4">0.4</option>  
		
			                            <option value="0.5" selected="selected">0.5</option>  
		
			                            <option value="0.6">0.6</option>  
		
			                            <option value="0.7">0.7</option>  
		
			                            <option value="0.8">0.8</option>  
		
			                            <option value="0.9">0.9</option>  
		
			                            <option value="1.0">1.0</option>  
		
			                        </select>  
		
			                    </td>  
		
			                </tr>  
		
			                <tr>  
		
			                    <td>  
		
			                        线宽：  
		
			                    </td>  
		
			                    <td>  
		
			                        <input type="text" id="txtLineWidth" style="width: 50px" value="2" />  
		
			                    </td>  
		
			                </tr>  
		
			                <tr>  
		
			                    <td>  
		
			                        边线颜色：  
		
			                    </td>  
		
			                    <td>  
		
			                        <input type="text" size="10" id="color2" maxlength="7" name="rgb2" value="#FF0000"  
		
			                            onclick="showColorPicker(this, document.forms[0].rgb2)"/>  
		
			                    </td>  
		
			                </tr>  
		
			            </table></p><p>  
		
			    </div>  
		
			    <div id="map" style="height: 640px; width: 720px; border: 1px solid red; margin-left: auto; margin-right: auto;"></div>  
		
			</body>  
		
			</html>  
		
			</p>
注：在这里用户可以自己设置要添加元素的填充颜色、边框颜色、边框宽度以及填充透明度。这里颜色只是别代码，不能用汉字。
初始加载：
首先点击上面的图片按钮，添加点线面：
鼠标移动到添加的标注上面时（其实和上一篇类似，关键是添加点线面）：
supermap学习系列（六）—自定义地图添加点、线、面标注

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GIS服务

地图数据
