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| /**
| * 监测因子图例
| */
| const Legend = {
| S_TYPE: 0, //标准图例
| D_TYPE: 1, //动态图例
| C_TYPE: 2, //自定义范围图例
|
| //各监测因子数据分级（标准）
| _legend_r: {
| NO2: [0, 100, 200, 700, 1200, 2340],
| CO: [0, 5, 10, 35, 60, 90],
| H2S: [0, 150, 500, 650, 800, 1600],
| SO2: [0, 150, 500, 650, 800, 1600],
| O3: [0, 160, 200, 300, 400, 800],
| PM25: [0, 35, 75, 115, 150, 250],
| PM10: [0, 50, 150, 250, 350, 420],
| VOC: [0, 200, 400, 600, 1000, 2000, 4000],
| TMP: [-10, 0, 10, 20, 30, 40],
| spC: [0, 200, 400, 600, 800, 1000],
| tur: [0, 50, 100, 150, 200, 250],
| DO: [0, 3, 5, 7, 9, 11],
| PH: [1, 3, 5, 7, 9, 11, 13]
| },
|
| //各监测因子数据分级（标准）对应颜色
| _legend_c: {
| NO2: [
| [0, 0.89, 0, 0.75],
| [1, 1, 0, 0.75],
| [1, 0.49, 0, 0.75],
| [1, 0, 0, 0.75],
| [0.6, 0, 0.3, 0.75],
| [0.49, 0, 0.14, 0.75]
| ],
| CO: [
| [0, 0.89, 0, 0.75],
| [1, 1, 0, 0.75],
| [1, 0.49, 0, 0.75],
| [1, 0, 0, 0.75],
| [0.6, 0, 0.3, 0.75],
| [0.49, 0, 0.14, 0.75]
| ],
| H2S: [
| [0, 0.89, 0, 0.75],
| [1, 1, 0, 0.75],
| [1, 0.49, 0, 0.75],
| [1, 0, 0, 0.75],
| [0.6, 0, 0.3, 0.75],
| [0.49, 0, 0.14, 0.75]
| ],
| SO2: [
| [0, 0.89, 0, 0.75],
| [1, 1, 0, 0.75],
| [1, 0.49, 0, 0.75],
| [1, 0, 0, 0.75],
| [0.6, 0, 0.3, 0.75],
| [0.49, 0, 0.14, 0.75]
| ],
| O3: [
| [0, 0.89, 0, 0.75],
| [1, 1, 0, 0.75],
| [1, 0.49, 0, 0.75],
| [1, 0, 0, 0.75],
| [0.6, 0, 0.3, 0.75],
| [0.49, 0, 0.14, 0.75]
| ],
| PM25: [
| [0, 0.89, 0, 0.75],
| [1, 1, 0, 0.75],
| [1, 0.49, 0, 0.75],
| [1, 0, 0, 0.75],
| [0.6, 0, 0.3, 0.75],
| [0.49, 0, 0.14, 0.75]
| ],
| PM10: [
| [0, 0.89, 0, 0.75],
| [1, 1, 0, 0.75],
| [1, 0.49, 0, 0.75],
| [1, 0, 0, 0.75],
| [0.6, 0, 0.3, 0.75],
| [0.49, 0, 0.14, 0.75]
| ],
| VOC: [
| [0, 0.89, 0, 0.75],
| [0, 0.7, 0, 0.75],
| [0.8, 1, 0, 0.75],
| [1, 0.49, 0, 0.75],
| [1, 0, 0, 0.75],
| [0.4, 0, 0.3, 0.75],
| [0.6, 0, 0.3, 0.75]
| ],
| TMP: [
| [0, 0.89, 0, 0.75],
| [1, 1, 0, 0.75],
| [1, 0.49, 0, 0.75],
| [1, 0, 0, 0.75],
| [0.6, 0, 0.3, 0.75],
| [0.49, 0, 0.14, 0.75]
| ],
| spC: [
| [0, 0.89, 0, 0.75],
| [1, 1, 0, 0.75],
| [1, 0.49, 0, 0.75],
| [1, 0, 0, 0.75],
| [0.6, 0, 0.3, 0.75],
| [0.49, 0, 0.14, 0.75]
| ],
| tur: [
| [0, 0.89, 0, 0.75],
| [1, 1, 0, 0.75],
| [1, 0.49, 0, 0.75],
| [1, 0, 0, 0.75],
| [0.6, 0, 0.3, 0.75],
| [0.49, 0, 0.14, 0.75]
| ],
| DO: [
| [0.49, 0, 0.14, 0.75],
| [0.6, 0, 0.3, 0.75],
| [1, 0, 0, 0.75],
| [1, 0.49, 0, 0.75],
| [1, 1, 0, 0.75],
| [0, 0.89, 0, 0.75]
| ],
| PH: [
| [0, 0.89, 0, 0.75],
| [0, 0.7, 0, 0.75],
| [0.8, 1, 0, 0.75],
| [1, 0.49, 0, 0.75],
| [1, 0, 0, 0.75],
| [0.4, 0, 0.3, 0.75],
| [0.6, 0, 0.3, 0.75]
| ]
| },
|
| _custom: [
| [0.05, 0.9, 0.03, 0.75],
| [0.3, 0.65, 0.02, 0.75],
| [0.87, 0.92, 0.03, 0.75],
| [0.8, 0.67, 0.04, 0.75],
| [0.92, 0.28, 0.07, 0.75],
| [0.6, 0.05, 0.05, 0.75]
| ],
|
| getStandardRange: function (name) {
| var range = this._legend_r[name];
| if (range == undefined) {
| range = this._legend_r['PM25'];
| }
| var min = range[0];
| var max = range[range.length - 1];
| // for (const key in range) {
| // if (min == undefined) {
| // min = parseInt(key)
| // }
| // max = parseInt(key)
| // }
| if (name == 'CO') {
| min *= 1000;
| max *= 1000;
| }
|
| return [min, max];
| },
|
| getColor: function (name, type, data, min, max) {
| if (type == this.S_TYPE) {
| return this.getStandardColor(name, data);
| } else {
| return this.getCustomColor(data, min, max);
| }
| },
|
| /**
| * 获取监测因子当前浓度对应的颜色
| * @param name 监测因子名称
| * @param data 监测因子浓度
| */
| getStandardColor: function (name, data) {
| var range = this._legend_r[name];
| var colors = this._legend_c[name];
| if (range == undefined) {
| range = this._legend_r['PM25'];
| colors = this._legend_c['PM25'];
| }
| // return colors[0]
|
| var selected = undefined;
| for (let i = 0; i < range.length; i++) {
| const d = range[i];
| var d1 = d;
| if (name == 'CO') {
| d1 *= 1000;
| }
| if (data >= d1) {
| selected = i;
| } else {
| break;
| }
| }
|
| // 避免下标越界
| if (selected >= colors.length) {
| selected = colors.length - 1;
| }
|
| // console.log(name + ': ' + selected);
| return colors[selected];
| },
|
| getCustomColor: function (data, min, max) {
| var per = (max - min) / this._custom.length;
| var i = parseInt(data / per);
| if (i >= this._custom.length) {
| i = this._custom.length - 1;
| }
| return this._custom[i];
| }
| };
|
| export { Legend };
|
|
