更新重合点逻辑及多点重合显示方式

ZhuDongming

2019-07-30 4bf0125f2cbc291b763a3c0a83629a470189a771

 src/main/webapp/view/uavTrajectory.jsp

@@ -64,7 +64,7 @@
    var map = new BMap.Map("mapCanvas", {enableMapClick: false});
    var trackPoints = []; //用来存放从后台获取到的所有历史轨迹点的数据
    var winfowText;
    var coincidentPoints=new Array();
    var coincidentPoints = new Array();
    if (sensorInfo.length > 0) {
        $.each(sensorInfo, function (item, value) {
            trackPoints.push(new BMap.Point(value.e76, value.e77));
@@ -73,27 +73,31 @@
            var startPoint = trackPoints[i];
            var endPoint = trackPoints[i + 1];
            var marker;
            var distance=parseInt(map.getDistance(startPoint,endPoint));
            var distance = parseInt(map.getDistance(startPoint, endPoint));
            map.addOverlay(polyline);// 画两点间线
            var arrowLength;//两点间箭头长度
            if(distance<=2){
                arrowLength=0;
            }else{
                arrowLength=5;
            if (distance <= 5) {
                arrowLength = 0;
            } else if (distance > 5 && distance <= 10) {
                arrowLength = 2;
            } else {
                arrowLength = 5;
            }
            if(coincidentPoints.indexOf(i)>-1){
            if (coincidentPoints.indexOf(i) > -1) {
                var polyline = new BMap.Polyline([
                        trackPoints[i],
                        trackPoints[i+1]
                        trackPoints[i + 1]
                    ],
                    {strokeColor: "green", strokeWeight: 2, strokeOpacity: 1}
                );
                distance=parseInt(map.getDistance(trackPoints[i],trackPoints[i+1]));
                distance = parseInt(map.getDistance(trackPoints[i], trackPoints[i + 1]));
                map.addOverlay(polyline);// 画两点间线
                if(distance<=2){
                    arrowLength=0;
                }else{
                    arrowLength=5;
                if (distance <= 5) {
                    arrowLength = 0;
                } else if (distance > 5 && distance <= 10) {
                    arrowLength = 2;
                } else {
                    arrowLength = 5;
                }
                addArrow(polyline, arrowLength, Math.PI / 7);
                //判断是否已经已经显示过该点的信息，避免重复。
@@ -119,20 +123,18 @@
                + "</br> 速度x：" + sensorInfo[i].e79
                + "</br> 速度y：" + sensorInfo[i].e80
                + "</br> 速度z：" + sensorInfo[i].e81;
            var count=0;
            for (var j=i+1;j< trackPoints.length; j++) {
                if (trackPoints[i].equals(trackPoints[j])) {
            if (distance <= 1.9) {
                winfowText = '<p id="' + i + '" onclick="openInfo(this)">' + "时间：" + sensorInfo[i].uavDate + "</p>";
            }
            var count = 0;
            for (var j = i + 1; j < trackPoints.length; j++) {
                distance = map.getDistance(trackPoints[i], trackPoints[j]).toFixed(5);
                if (distance <= 1.9) {
                    coincidentPoints.push(j);
                    count++;
                    winfowTextAdd = "</br> 时间：" + sensorInfo[j].uavDate
                        + "</br> 经度：" + sensorInfo[j].e76
                        + "</br> 纬度：" + sensorInfo[j].e77
                        + "</br> 高度：" + sensorInfo[j].e78
                        + "</br> 速度x：" + sensorInfo[j].e79
                        + "</br> 速度y：" + sensorInfo[j].e80
                        + "</br> 速度z：" + sensorInfo[j].e81;
                    winfowTextAdd = '<p id="' + j + '" onclick="openInfo(this)">' + "时间：" + sensorInfo[j].uavDate + "</p>";
                    winfowText += winfowTextAdd;
                    if(j==trackPoints.length-1){
                    if (j == trackPoints.length - 1) {
                        marker = new BMap.Marker(trackPoints[j], {icon: endIcon, offset: new BMap.Size(0, -20)});
                        map.setCurrentCity("昆山");
                        map.setMapStyle(mapStyle);
@@ -141,7 +143,7 @@
                            anchor: BMAP_ANCHOR_BOTTOM_RIGHT,
                            type: BMAP_NAVIGATION_CONTROL_LARGE
                        });
                        map.maxZoom=20;
                        map.maxZoom = 20;
                        map.addControl(navigation);
                        map.addControl(new BMap.ScaleControl());
                    }
@@ -149,14 +151,28 @@
            }

            (function (x) {
                var infoWindow = new BMap.InfoWindow(winfowText, {enableMessage: false, width: 30});
                var infoWindow = new BMap.InfoWindow(winfowText, {enableMessage: false});
                marker.addEventListener("click", function () {
                    this.openInfoWindow(infoWindow);
                });
            })(i);

            if(count>0){
                var lab = new BMap.Label(count+1, {position: startPoint, offset: new BMap.Size(-7, -23)});
            function openInfo(e) {
                var point = new BMap.Point(sensorInfo[e.id].e76,sensorInfo[e.id].e77);
                // 创建信息窗口对象
                var infoWindow1 = new BMap.InfoWindow("时间：" + sensorInfo[e.id].uavDate
                    + "</br> 经度：" + sensorInfo[e.id].e76
                    + "</br> 纬度：" + sensorInfo[e.id].e77
                    + "</br> 高度：" + sensorInfo[e.id].e78
                    + "</br> 速度x：" + sensorInfo[e.id].e79
                    + "</br> 速度y：" + sensorInfo[e.id].e80
                    + "</br> 速度z：" + sensorInfo[e.id].e81, {enableMessage: false});
                //开启信息窗口
                map.openInfoWindow(infoWindow1, point);
            }

            if (count > 0) {
                var lab = new BMap.Label(count + 1, {position: startPoint, offset: new BMap.Size(-7, -23)});
                lab.setStyle({
                    color: "#fff",
                    fontSize: "16px",
@@ -165,7 +181,6 @@
                    fontWeight: "bold"
                });
                map.addOverlay(lab);

            }
            map.addOverlay(marker);
            var polyline = new BMap.Polyline([
@@ -180,6 +195,7 @@
            }
        }
    }

    var longitude;
    var latitude;
    var point;
@@ -249,4 +265,5 @@
            map.addOverlay(Arrow);
        }
    };

</script>