TDataView_ui/scripts/meteo/f/wave.js

/**
 * 海浪 浪高
 */
define(['meteoDir/other/smooth'], function (smooth) {
    var wave = {
        id: 'wave',
        title: '海浪',
        legend: 'images/meteo/legend/wave.png',

        slat: null,     //开始lat
        slng: null,     //开始lng
        elat: null,     //结束lat
        elng: null,     //结束lng
        delta: null,    //每个数据地理间隔
        rowNum: null,   //lng跨度
        colNum: null,   //lat跨度
        wd: null,       //流向数组
        image: null,    //图标所在图片
        interval: 1,    //绘制间隔（控制疏密程度）
        timeOutId: null,
        elem: 'HS',

        layer: null,                 //为了方便图层控制，使用了一个对象来控制多个图层
        isInit: false,
        isoData: null,
        data: null,
        isHide: false,
        getData: function () {
            var dateStr = meteo.c.time.getTime();
            var vti = meteo.c.time.getVti();
            var params = {
                elem: wave.elem,
                level: '9999',
                vti: vti,
                dateStr: dateStr,
            };
            var params2 = {
                vti: vti,
                dateStr: dateStr,
            };
            // meteo.c.http.httpFunction(meteo.c.http.oceanD, null, params2, function (json) { //海浪方向
            //     wave.slat = json.slat;
            //     wave.slng = json.slng;
            //     wave.elat = json.elat;
            //     wave.elng = json.elng;
            //     wave.delta = json.delta;
            //     wave.rowNum = json.rowNum;
            //     wave.colNum = json.colNum;
            //     wave.wd = json.vals;

            meteo.c.http.httpFunction(meteo.c.http.oceanCI, null, params, function (json) {
                meteo.c.title.updateTitle(wave.id, meteo.c.process.setTitleTime(json.odate, json.vti, wave.title, ''));
                
                $('#meteo-video-query-startDate').val(json.odate);
                json = JSON.parse(json.data);
                wave.data = json;
                wave.showWave(json);
            }, function () {
                // ONEMAP.C.publisher.publish({ type: 'warning', message: '浪高暂无当前时次/层次数据' }, 'noteBar::add');
                // meteo.c.title.updateTitle(wave.id, '浪高暂无当前时次/层次数据');
            });
            // }, function () {

            // })

            params.vti = parseInt(vti) + 3;
            meteo.c.http.httpFunction(meteo.c.http.oceanCI, null, params, function (json) {

                json = json.data;
                json = JSON.parse(json);


                wave.loadImage(json);
            }, function () {

            })
            // meteo.c.http.httpFunction(meteo.c.http.oceanC, null, params, function (json) {
            //     wave.isoData = json['000_HS_9999'];
            //     var params2 = {};
            //
            // })
        },
        showWave: function (data) {
            var images = [];
            var latI = (data.elat - data.slat) / data.row;
            var lngI = (data.elng - data.slng) / data.col;

            for (var i = 0; i < data.files.length; i++) {
                var value = data.files[i];
                if (value) {
                    var str = value.split("\.")[0];
                    str = str.split("_");
                    var x = str[0];
                    var y = str[1];
                    var slat = data.slat + x * latI;
                    var slng = data.slng + y * lngI;
                    var elat = slat + latI;
                    var elng = slng + lngI;
                    elat = elat > data.elat ? data.elat : elat;
                    elng = elng > data.elng ? data.elat : elng;

                    images.push(meteo.c.map.addImage(data.url + value + '.mkt', slat, slng, elat, elng));
                    // L.imageOverlay(
                    //     data.url + value + '.mkt',
                    //     // "scripts/meteo/test/wyl/WYL_2017122320_000_TT_0000_" + x + "_" + y + ".png.mkt",
                    //     L.latLngBounds(L.latLng(slat, slng), L.latLng(elat, elng))
                    // ).addTo(layer);
                }
            }

            if (!wave.layer|| !wave.layer.tLayer || wave.isHide) {
                for (var i = 0; i < images.length; i++) {
                    meteo.c.map.removeImage(images[i]);
                }
            } else {
                if (wave.layer.images) {
                    wave.removeImage();
                }
                wave.layer.images = images;
            }
            // setTimeout(function () {
            //
            // }, 300);

            // wave.showWaveWD();
        },
        loadImage:function (data) {     //预先加载图片
            for (var key in data.files) {
                var value = data.files[key];
                if (value) {
                    var url = data.url + value + '.mkt';
                    var img = $('<img />').attr('src', url);
                    img = null;
                }
            }
        },
        showWaveWD: function () {
            if (!wave.layer) {
                return;
            }
            //计算当前屏幕内显示的索引
            var zoom = meteo.c.map.getZoom();
            var interval =
                zoom < 4 ? 10 :
                    zoom < 5 ? 8 :
                        zoom < 6 ? 6 :
                            zoom < 7 ? 4 :
                                zoom < 8 ? 2 :
                                    1;
            var se = meteo.c.map.getBounds();

            var layerId = meteo.c.map.createLayer();
            var layer = map2DViewer.groups[layerId];

            //计算流向绘制屏幕内的初始索引
            var istart = (wave.elat - se[2]) / wave.delta >> 0;
            var jstart = (se[1] - wave.slng) / wave.delta >> 0;
            if (istart < 0) istart = 0;
            if (jstart < 0) jstart = 0;
            //计算流向绘制屏幕内的最大索引
            var row = Math.abs(se[0] - wave.elat) / wave.delta + 1;
            // var row = Math.abs(se[2] - wave.slat) / wave.delta + 1;
            var col = Math.abs(se[3] - wave.slng) / wave.delta + 1;
            if (row > wave.rowNum) row = wave.rowNum;
            if (col > wave.colNum) col = wave.colNum;

            for (var i = istart; i < row; i += interval) {
                for (var j = jstart; j < col; j += interval) {
                    var lat = wave.elat - i * wave.delta;
                    var lng = wave.slng + j * wave.delta;
                    var wd = wave.wd[i][j];
                    // if (wd == 0 || wd == -9999) continue;
                    // if (wd == -9999) continue;
                    if (wd < 0) continue;
                    var icon = wave.getIcon(wd, 30);
                    L.marker([lat, lng], {icon: icon}).addTo(layer);
                    // meteo.c.map.addText('', i + "*" + j, 16, "#000000", 1, lat, lng, layerId); //打印数据
                }
            }
            if (!wave.layer || !wave.layer.tLayer || wave.isHide) {
                meteo.c.map.removeLayer(layerId);
                return;
            }
            if (wave.layer.cLayer != null) {
                meteo.c.map.removeLayer(wave.layer.cLayer);
            }
            wave.layer.cLayer = layerId;

            //判断延时是否取消
            if (wave.timeOutId) wave.timeOutId = null;
        },
        getIcon: function (wd, size) {      //获得图标
            size = size;
            var width = size * 1.2;
            var a = size * 0.6;
            var b = size / 2;
            var canvas = document.createElement('canvas');
            canvas.width = width;
            canvas.height = width;
            if (canvas.getContext) {
                //获取对应的CanvasRenderingContext2D对象(画笔)
                var ctx = canvas.getContext("2d");
                ctx.save();
                ctx.translate(a, a);
                ctx.rotate(wd * Math.PI / 180);
                // ctx.rotate(0.5 * Math.PI);
                // ctx.rotate(wd);
                ctx.translate(-a, -a);
                ctx.drawImage(wave.image, a - b / 2, a - b, b, size);
                ctx.restore();

                var url = canvas.toDataURL('image/png');
                return L.icon({
                    iconUrl: url,
                    iconSize: [size, size],
                    iconAnchor: [size / 2, size / 2],
                });
            }
            return null;
        },

        create: function () {
            wave.layer = {
                tLayer: meteo.c.map.createLayer(), //图层控制
                // cLayer: null,       //等值线图层
                images: null,       //图片图层列表
            }
        },
        remove: function () {
            if (wave.layer) {
                meteo.c.map.removeLayer(wave.layer.tLayer);
                // meteo.c.map.removeLayer(wave.layer.cLayer);
                wave.removeImage();
                wave.layer = null;
            }
        },
        removeImage: function () {
            if (wave.layer.images) {
                for (var i = 0; i < wave.layer.images.length; i++) {
                    meteo.c.map.removeImage(wave.layer.images[i]);
                }
                wave.layer.images = null;
            }
        },
        show: function () {
            wave.isHide = false;
            wave.showWave(wave.data);
        },
        hide: function () {
            wave.isHide = true;
            if (wave.layer) {
                // meteo.c.map.removeLayer(wave.layer.cLayer);
                wave.removeImage();
            }
        },
        open: function () {
            if (ONEMAP.M.myLayers.checkLength() >= map23DConfig.layerMaxLength) {
                ONEMAP.C.publisher.publish({type: 'warning', message: '图层数量已达上限'}, 'noteBar::add');
                return;
            }
            //-------------创建图层------------------
            if (wave.layer) {
                wave.remove();
            }
            wave.create();
            //----------------图层管理-------------------
            var options = {
                action: "add",
                // mod: "qixiang",
                DOM: {
                    guid: wave.layer.tLayer,
                    type: "group",
                    name: wave.title,
                },
            }

            var guid = ONEMAP.M.myLayers.myLayerControl(options);
            ONEMAP.C.publisher.subscribe(function (option) {
                switch (option.action) {
                    case 'remove':
                        wave.close();
                        break;
                    case 'opacity':
                        if (option.options.opacity) {
                            wave.show();
                        } else {
                            wave.hide();
                        }
                        break;
                }
            }, guid);
            //-------------------------------------

            $("#meteo-bt-wave").parent().addClass('current');
            meteo.c.title.addTitle(wave.id);
            meteo.c.legend.addLegend(wave.id, wave.legend);
            meteo.c.time.open(true);

            wave.isHide = false;
            wave.getData();
        },
        close: function () {
            var options = {
                action: "remove",
                DOMid: wave.layer.tLayer,
            }
            ONEMAP.M.myLayers.myLayerControl(options);

            $("#meteo-bt-wave").parent().removeClass('current');
            meteo.c.title.removeTitle(wave.id);
            meteo.c.legend.removeLegend(wave.id);
            meteo.c.time.close();

            wave.remove();
        },
        onMove: function () {
            // if (wave.layer && !wave.isHide && meteo.c.map.mapType == '2d') {
            //     if (wave.timeOutId) { //如果有未开始的流向绘制，就取消对应任务
            //         window.clearTimeout(wave.timeOutId);
            //     }
            //     wave.timeOutId = window.setTimeout(function () {
            //         wave.showWaveWD();
            //     }, 800)
            // }
        },
        update: function () { //用于时间变化时更新数据
            if (!wave.layer || wave.isHide) return;
            // var option = {
            //     action: 'update',
            //     DOMid: wave.layer.tLayer,
            //     DOM: {
            //         name: '海浪浪高'
            //     }
            // }
            // ONEMAP.M.myLayers.myLayerControl(option);

            wave.getData()
        },
        init: function () {
            wave.image = new Image();
            wave.image.src = meteo.c.http.myImageUrlJs + "oceanCurrent/red.png";

            $('#meteo-bt-wave').click(function () {
                if (meteo.f.wave.layer) {
                    meteo.f.wave.close();
                } else {
                    meteo.f.wave.open();
                }
            });
        }
    }
    meteo.f.wave = wave;
    return meteo.f.wave;
})