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<!DOCTYPE html>
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<html lang="zh-CN">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>温度数据粒子效果可视化</title>
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<!-- Leaflet CSS -->
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<link rel="stylesheet" href="https://unpkg.com/leaflet@1.7.1/dist/leaflet.css" />
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<style>
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body {
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margin: 0;
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padding: 0;
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font-family: Arial, sans-serif;
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}
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#map {
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height: 100vh;
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width: 100%;
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}
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#info {
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position: absolute;
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top: 10px;
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right: 10px;
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background: rgba(255, 255, 255, 0.8);
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padding: 10px;
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border-radius: 5px;
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z-index: 1000;
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max-width: 300px;
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}
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.legend {
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background: white;
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padding: 10px;
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border-radius: 5px;
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box-shadow: 0 0 15px rgba(0, 0, 0, 0.2);
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}
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.legend-item {
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display: flex;
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align-items: center;
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margin-bottom: 5px;
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}
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.legend-color {
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width: 20px;
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height: 20px;
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margin-right: 5px;
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}
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</style>
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</head>
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<body>
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<div id="map"></div>
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<div id="info">
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<h3>温度数据粒子效果</h3>
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<p>粒子流动方向和速度表示温度梯度</p>
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<div id="legend" class="legend"></div>
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</div>
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<!-- Leaflet JS -->
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<script src="https://unpkg.com/leaflet@1.7.1/dist/leaflet.js"></script>
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<!-- 使用 CDN 版本的 leaflet-velocity.js -->
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<script src="https://cdn.jsdelivr.net/npm/leaflet-velocity@1.0.0/dist/leaflet-velocity.min.js"></script>
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<!-- 温度数据 -->
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<script>
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// 从本地JSON文件加载温度数据
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fetch('/data/Atm_ATM_TEMP.json')
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.then(response => response.json())
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.then(data => {
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// 验证数据格式
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if (data.status === 10200 && data.message === "SUCCESS") {
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window.tempData = data;
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// 数据加载成功后初始化地图
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initializeMap();
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} else {
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console.error('数据加载失败:', data.message);
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}
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})
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.catch(error => {
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console.error('加载温度数据时出错:', error);
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});
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// 初始化地图的函数
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function initializeMap() {
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// 初始化地图
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const map = L.map('map').setView([45, 125], 4);
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// 添加底图
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L.tileLayer(
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'http://t{s}.tianditu.com/DataServer?T=img_w&x={x}&y={y}&l={z}&tk=489fa3b53cd351877dcf69e9ed899a04',
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{ attribution: '天地图地形', subdomains: [0, 1, 2, 3, 4, 5, 6, 7] },
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).addTo(map);
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// 创建温度图层（使用GeoJSON而不是velocity）
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const tempLayer = L.geoJSON(tempData.data.jasonlistf, {
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style: function(feature) {
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return {
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fillColor: feature.properties.fill,
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color: feature.properties.stroke,
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weight: feature.properties['stroke-width'],
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opacity: feature.properties['stroke-opacity'],
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fillOpacity: feature.properties['fill-opacity']
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};
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},
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onEachFeature: function(feature, layer) {
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// 可以添加弹出窗口显示温度信息
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const tempRange = feature.properties.title;
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layer.bindPopup(`温度范围: ${tempRange}°C`);
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}
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}).addTo(map);
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// 创建图例
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createLegend();
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}
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// 创建温度颜色映射
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function createTempColorScale(colorlist) {
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const colorScale = [];
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colorlist.forEach(item => {
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const temp = item[0];
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const rgb = item[1];
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colorScale.push(`rgb(${rgb[0]}, ${rgb[1]}, ${rgb[2]})`);
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});
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return colorScale;
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}
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// 创建图例
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function createLegend() {
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const legend = document.getElementById('legend');
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const colorlist = tempData.data.colorlist;
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// 简化图例，只显示部分温度值
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for (let i = 0; i < colorlist.length; i += 4) {
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const item = colorlist[i];
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const temp = item[0];
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const rgb = item[1];
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const legendItem = document.createElement('div');
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legendItem.className = 'legend-item';
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const colorBox = document.createElement('div');
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colorBox.className = 'legend-color';
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colorBox.style.backgroundColor = `rgb(${rgb[0]}, ${rgb[1]}, ${rgb[2]})`;
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const label = document.createElement('span');
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label.textContent = `${temp}°C`;
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legendItem.appendChild(colorBox);
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legendItem.appendChild(label);
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legend.appendChild(legendItem);
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}
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}
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</script>
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</body>
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</html>
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