TDataView_ui/scripts/meteo/f/isoLine.js

/**
 * 本地等值线
 * Created by Administrator on 2017/11/9.
 */

define(['meteoDir/other/smooth'], function (smooth) {
    meteo.f.isoLine = {
        isInit: false,
        layers: {},
        data: {},
        elems: {
            'PR': '气压',
            'T2': '温度'
        },
        getData: function (elem , level) {
            var params = {
                elem: elem,
                datastr: '',
                level: level
            }
            meteo.c.http.httpFunction(meteo.c.http.tIsoLine, null, params, function (json) {
                meteo.f.isoLine.data[elem] = json;
                meteo.f.isoLine.showLine(params, json);
            })
            // meteo.c.http.getLocalJson('799/T799_isoline_2017122400_000_T2_9999.json', function (json) {
            //     meteo.f.isoLine.showLine(params, json);
            // })
        },
        showLine: function (params, data) {
            // var layerId = meteo.c.map.createLayer();
            var elem = params.elem;
            if (meteo.f.isoLine.layers[elem]) {
                meteo.c.map.clearLayer(meteo.f.isoLine.layers[elem])
            } else {
                meteo.f.isoLine.layers[elem] = meteo.c.map.createLayer();
            }
            var layerId = meteo.f.isoLine.layers[elem];
            var layer = map2DViewer.groups[layerId];
            var lines = data.lines;
            for (var index in lines) {
                var line = lines[index];
                // lineColor alpha b g r
                //标高低中心
                if (line.clat && line.clng && line.ctype) {
                    var textAttr = meteo.f.isoLine.getText(elem, line.ctype);
                    if (textAttr && textAttr.length == 2) {
                        meteo.c.map.addText('', textAttr[0], 16, textAttr[1], 2, line.clat, line.clng, layerId)
                    }
                }
                //找每条线的经纬点
                var latlngs = [];
                var isLegal = true;
                for (var i = 0; i < line.pointNum; i++) {
                    latlngs.push([line.lng[i], line.lat[i]]);
                    // latlngs.push([line.lat[i], line.lng[i]]);
                }
                //线条平滑
                var smoothLatlngs = latlngs.length > 2 ? smooth(latlngs, 0.1, 0.24) : latlngs;
                latlngs = (isLegal && smoothLatlngs.length > 1) ? smoothLatlngs : latlngs;

                //画线
                var lineColor = 'black';
                var textColor = 'black';
                if (line.lineColor && (line.lineColor.r == 0 || line.lineColor.r)
                    && (line.lineColor.g == 0 || line.lineColor.g)
                    && (line.lineColor.b == 0 || line.lineColor.b)) {
                    lineColor = Color.rgb(line.lineColor.r, line.lineColor.g, line.lineColor.b, 255);
                    textColor = 'rgb(' + line.lineColor.r + ', ' + line.lineColor.g + ', ' + line.lineColor.b + ')';
                }

                meteo.c.map.addPolyline('', lineColor, 2, null, latlngs, layerId);
                // var li = L.polyline(latlngs, {
                //     color: lineColor
                // });
                // li.addTo(layer);

                //标数字
                // if ((line.val - meteo.f.isoLineLocal.data[type].labelBaseVal) % meteo.f.isoLineLocal.data[type].labelInterVal == 0) {
                if (line.val) {
                    if (!line.isClose) {
                        meteo.c.map.addText('', line.val, 16, textColor, 2, latlngs[0][1], latlngs[0][0], layerId);
                        meteo.c.map.addText('', line.val, 16, textColor, 2, latlngs[latlngs.length - 1][1], latlngs[latlngs.length - 1][0], layerId);
                    } else {
                        var index = (latlngs.length * 3 / 4) >> 0;
                        meteo.c.map.addText('', line.val, 16, textColor, 2, latlngs[index][1], latlngs[index][0], layerId);
                    }
                }
            }
            // if (meteo.f.isoLine.layers[elem]) {  //判断
            //     meteo.c.map.removeLayer(meteo.f.isoLine.layers[elem]);
            // }
            // meteo.f.isoLine.layers[elem] = layerId;


            // if (meteo.f.isoLine.titles[elem]) {
            //     meteo.f.isoLine.removeTitle(elem);
            // }
            // meteo.f.isoLine.addTitle(elem, hpa);
            //-----------------------------------
            var options = {
                action: "add",
                DOM: {
                    guid: meteo.f.isoLine.layers[elem],
                    type: "group",
                    name: meteo.f.isoLine.elems[elem],
                },
            }
            var guid = ONEMAP.M.myLayers.myLayerControl(options);
            ONEMAP.C.publisher.subscribe(function (option) {
                if (option.action == 'remove') {
                    meteo.f.isoLine.removeIsoLine(elem);
                    if (elem == 'T2') {
                        $("#meteo-bt-tt").parent().removeClass('current');
                    } else {
                        $("#meteo-bt-pr").parent().removeClass('current');
                    }
                }
            }, guid);
            //-------------------------------------
        },
        getText: function (elem, type) {
            var textAttr = [];
            if ("TT" == elem) {
                if ("L" == type) {
                    textAttr.push("冷");
                    textAttr.push("blue");
                } else if ("H" == type) {
                    textAttr.push("暖");
                    textAttr.push("red");
                }
            } else if ("HH" == elem || "PR" == elem) {
                if ("L" == type) {
                    textAttr.push("低");
                    textAttr.push("red");
                } else if ("H" == type) {
                    textAttr.push("高");
                    textAttr.push("blue");
                }
            }
            return textAttr;
        },
        removeIsoLine: function (elem) {
            var options = {
                action: "remove",
                DOMid:meteo.f.isoLine.layers[elem],
            }
            ONEMAP.M.myLayers.myLayerControl(options);
            if (meteo.f.isoLine.layers[elem]) {
                meteo.c.map.removeLayer(meteo.f.isoLine.layers[elem]);
                meteo.f.isoLine.layers[elem] = null;
            }
            // meteo.f.isoLine.removeTitle(elem);
        },
        removeAllIsoLine: function () {
            for (var elem in meteo.f.isoLineLocal.layers) {
                meteo.f.isoLine.removeIsoLine(elem);
            }
        },
        // addTitle: function (elem, hpa) {
        //     var ti = elem + " " + hpa;
        //     meteo.f.isoLine.titles[elem] = ti;
            // meteo.c.title.addTitle(ti);
        // },
        // removeTitle: function (elem) {
        //     meteo.c.title.removeTitle(meteo.f.isoLine.titles[elem]);
        // },
        close: function () {
            meteo.f.isoLine.removeAllIsoLine();
        },
        init: function () {
            $("#meteo-bt-tt").click(function () {   //温度
                if (!meteo.f.isoLine.layers['T2']) {
                    meteo.f.isoLine.getData('T2', '9999')
                } else {
                    meteo.f.isoLine.removeIsoLine('T2')
                }
            });

            $("#meteo-bt-pr").click(function () {   //气压
                if (!meteo.f.isoLine.layers['PR']) {
                    meteo.f.isoLine.getData("PR", '9999');
                } else {
                    meteo.f.isoLine.removeIsoLine('PR')
                }
            });

            // $("#meteo-bt-rh").click(function () {  //湿度
            //     if (!meteo.f.isoLine.layers['RH']) {
            //         meteo.f.isoLine.getData("RH", '0925');
            //     } else {
            //         meteo.f.isoLine.removeIsoLine('RH')
            //     }
            // });
        }
    }

    return meteo.f.isoLine;

})