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| "use script"; //开发环境建议开启严格模式
| //系统 功能入口
|
| function addWindLayer(item) {
|
| $.getJSON("data/getWindParametersByTime.json", { datatype: mars3d.global_variables.queryDataType, datatime: mars3d.global_variables.queryDataTStart }, (result) => {
| console.log(result);
|
| var layer_wind = new mars3d.layer.CanvasWindLayer({
| id: item.id,
| pid: item.pid,
| name: item.name,
| color: item.color,
| frameRate: 20, //每秒刷新次数
| speedRate: 60, //风前进速率
| particlesNumber: 1000,
| maxAge: 60,
| lineWidth: 1,
| reverseY: true
| });
| layer_wind.show = item.show;
| map.addLayer(layer_wind);
|
| layer_wind.data = convertWindData(result.data);
| });
| }
|
| function convertWindData(arr) {
|
| var arrU = [];
| var arrV = [];
|
| var xmin = arr[0].x;
| var xmax = arr[0].x;
| var ymin = arr[0].y;
| var ymax = arr[0].y;
|
| // 风向是以y轴正方向为零度顺时针转，0度表示北风。90度表示东风。
| // u表示经度方向上的风，u为正，表示西风，从西边吹来的风。
| // v表示纬度方向上的风，v为正，表示南风，从南边吹来的风。
| for (let i = 0, len = arr.length; i < len; i++) {
| const item = arr[i];
| if (xmin > item.x) {
| xmin = item.x;
| }
| if (xmax < item.x) {
| xmax = item.x;
| }
| if (ymin > item.y) {
| ymin = item.y;
| }
| if (ymax < item.y) {
| ymax = item.y;
| }
|
| var u = mars3d.WindUtil.getU(item.speed, item.dir);
| arrU.push(u);
|
| var v = mars3d.WindUtil.getV(item.speed, item.dir);
| arrV.push(v);
| }
|
| var rows = getKeyNumCount(arr, "y"); //计算 行数
| var cols = getKeyNumCount(arr, "x"); //计算 列数
|
| return {
| xmin: xmin,
| xmax: xmax,
| ymax: ymax,
| ymin: ymin,
| rows: rows,
| cols: cols,
| udata: arrU, //横向风速
| vdata: arrV, //纵向风速
| };
| }
|
| function getKeyNumCount(arr, key) {
| var obj = {};
| arr.forEach((item) => {
| obj[item[key]] = true;
| });
|
| var count = 0;
| for (let col in obj) {
| count++;
| }
| return count;
| }
|
| function addTDTAnnoLayer() {
|
| Img_annoTileLayer = new mars3d.layer.TdtLayer({
| name: "影像注记",
| layer: "img_z",
| key: mars3d.Token.tiandituArr,
| });
| Img_annoTileLayer.show = false;
| Img_annoTileLayer.pid = 50;
| map.addLayer(Img_annoTileLayer);
|
| Vec_annoTileLayer = new mars3d.layer.TdtLayer({
| name: "矢量图注记",
| layer: "vec_z",
| key: mars3d.Token.tiandituArr,
| });
| Vec_annoTileLayer.show = false;
| Vec_annoTileLayer.pid = 50;
| map.addLayer(Vec_annoTileLayer);
| }
|
| function addMaskShanghai() {
| //geojson 合肥边界线
| geoJsonLayer = new mars3d.layer.GeoJsonLayer({
| url: "//data.mars3d.cn/file/geojson/areas/340100.json",
| mask: true, //标识为遮罩层【重点参数】
| symbol: {
| styleOptions: {
| fill: true,
| color: "rgb(2,26,79)",
| opacity: 0.9,
| outline: false,
| outlineColor: "#39E09B",
| outlineWidth: 8,
| outlineOpacity: 0.8,
| arcType: Cesium.ArcType.GEODESIC,
| clampToGround: true,
| },
| },
| });
| }
|
|
