heatmap
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Vasilisk9812
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3 changed files with 273 additions and 41 deletions
215
src/routes/TimeLine.svelte
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215
src/routes/TimeLine.svelte
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<!-- Timeline.svelte -->
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<script>
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import { onMount, onDestroy } from 'svelte';
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export let initialHour = 0;
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export let totalHours = 72; // 3 суток
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export let updateInterval = 3; // шаг в 3 часа
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export let playSpeed = 2000; // скорость анимации (мс)
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let currentHour = initialHour;
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let isPlaying = false;
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let timer;
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// События для коммуникации с родительским компонентом
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const dispatch = createEventDispatcher();
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// Автоматическое проигрывание
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function togglePlay() {
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isPlaying = !isPlaying;
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if (isPlaying) {
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timer = setInterval(() => {
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currentHour = (currentHour + updateInterval) % totalHours;
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dispatchTimeUpdate();
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}, playSpeed);
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} else {
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clearInterval(timer);
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}
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}
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function dispatchTimeUpdate() {
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dispatch('timeupdate', {
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hour: currentHour,
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timestamp: calculateTimestamp(currentHour)
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});
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}
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function calculateTimestamp(hour) {
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const now = new Date();
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now.setHours(now.getHours() + hour);
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return now;
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}
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function formatTime(hours) {
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const days = Math.floor(hours / 24);
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const remainingHours = hours % 24;
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const time = calculateTimestamp(hours);
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return `+${days}d ${remainingHours}h (${time.toLocaleTimeString([], {hour: '2-digit', minute:'2-digit'})})`;
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}
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// Очистка при размонтировании
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onDestroy(() => {
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clearInterval(timer);
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});
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</script>
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<div class="timeline-container">
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<div class="timeline-controls">
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<button
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on:click={() => {
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currentHour = Math.max(0, currentHour - updateInterval);
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dispatchTimeUpdate();
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}}
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disabled={currentHour <= 0}
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class="control-button"
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>
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← Назад
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</button>
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<button
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on:click={togglePlay}
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class="control-button play-button {isPlaying ? 'playing' : ''}"
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>
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{isPlaying ? '❚❚' : '▶'}
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</button>
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<button
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on:click={() => {
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currentHour = Math.min(totalHours, currentHour + updateInterval);
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dispatchTimeUpdate();
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}}
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disabled={currentHour >= totalHours}
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class="control-button"
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>
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Вперёд →
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</button>
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<div class="time-display">
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{formatTime(currentHour)}
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</div>
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</div>
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<input
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type="range"
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min="0"
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max={totalHours}
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step={updateInterval}
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bind:value={currentHour}
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on:input={() => dispatchTimeUpdate()}
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class="timeline-slider"
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/>
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<div class="time-marks">
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{#each Array(Math.floor(totalHours / updateInterval) + 1) as _, i}
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<div
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class="time-mark {currentHour === i * updateInterval ? 'active' : ''}"
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on:click={() => {
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currentHour = i * updateInterval;
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dispatchTimeUpdate();
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}}
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>
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{i * updateInterval % 24 === 0 ? `День ${Math.floor(i * updateInterval / 24) + 1}` : ''}
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</div>
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{/each}
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</div>
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</div>
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<style>
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.timeline-container {
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position: absolute;
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bottom: 20px;
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left: 50%;
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transform: translateX(-50%);
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width: 90%;
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max-width: 800px;
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background: rgba(255, 255, 255, 0.9);
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border-radius: 8px;
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padding: 10px 15px;
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box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
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z-index: 1000;
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}
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.timeline-controls {
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display: flex;
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align-items: center;
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gap: 10px;
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margin-bottom: 8px;
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}
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.control-button {
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background: #f0f0f0;
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border: 1px solid #ddd;
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border-radius: 4px;
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padding: 5px 10px;
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cursor: pointer;
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transition: all 0.2s;
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}
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.control-button:hover {
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background: #e0e0e0;
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}
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.control-button:disabled {
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opacity: 0.5;
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cursor: not-allowed;
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}
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.play-button {
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width: 40px;
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background: #4CAF50;
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color: white;
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border: none;
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}
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.play-button.playing {
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background: #f44336;
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}
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.time-display {
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font-weight: bold;
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min-width: 180px;
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text-align: center;
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font-family: monospace;
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}
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.timeline-slider {
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width: 100%;
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margin: 5px 0;
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cursor: pointer;
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}
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.time-marks {
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display: flex;
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justify-content: space-between;
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margin-top: 5px;
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}
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.time-mark {
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cursor: pointer;
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padding: 2px 5px;
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font-size: 12px;
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position: relative;
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}
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.time-mark:before {
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content: '';
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position: absolute;
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top: -15px;
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left: 50%;
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width: 1px;
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height: 10px;
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background: #ccc;
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}
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.time-mark.active {
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font-weight: bold;
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color: #2196F3;
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}
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.time-mark.active:before {
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background: #2196F3;
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height: 15px;
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}
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</style>
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@ -20,36 +20,54 @@
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// Функция для нормализации данных тепловой карты
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const prepareHeatData = (windData) => {
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if (!windData || !windData.header || !windData.data) {
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console.warn("Wind data is missing or incomplete");
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return [];
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if (!windData || windData.length < 2) {
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console.warn("Invalid wind data structure");
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return [];
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}
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const { lo1, la1, dx, dy, nx, ny } = windData.header;
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// Получаем U и V компоненты
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const uComponent = windData.find(item => item.header.parameterNumber === 2);
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const vComponent = windData.find(item => item.header.parameterNumber === 3);
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if (!uComponent || !vComponent) {
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console.warn("Missing wind components");
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return [];
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}
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const header = uComponent.header; // Используем header из U компоненты
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const { lo1, la1, dx, dy, nx, ny } = header;
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const heatData = [];
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let maxSpeed = 0;
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// Собираем данные и находим максимальную скорость
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for (let y = 0; y < ny; y++) {
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for (let x = 0; x < nx; x++) {
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const u = windData.data[y][x * 2];
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const v = windData.data[y][x * 2 + 1];
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const speed = Math.sqrt(u * u + v * v);
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// Проверяем совпадение размеров данных
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if (uComponent.data.length !== vComponent.data.length) {
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console.warn("U and V components have different lengths");
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return [];
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}
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if (!isNaN(speed)) {
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const lat = la1 - y * dy;
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const lng = lo1 + x * dx;
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heatData.push([lat, lng, speed]);
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maxSpeed = Math.max(maxSpeed, speed);
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}
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// Собираем данные и находим максимальную скорость
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for (let i = 0; i < uComponent.data.length; i++) {
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const u = uComponent.data[i];
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const v = vComponent.data[i];
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const speed = Math.sqrt(u * u + v * v);
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if (!isNaN(speed)) {
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// Вычисляем координаты для текущей точки
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const y = Math.floor(i / nx);
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const x = i % nx;
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const lat = la1 - y * dy;
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const lng = lo1 + x * dx;
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heatData.push([lat, lng, speed]);
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maxSpeed = Math.max(maxSpeed, speed);
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}
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}
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console.log('Prepared heat data: ${heatData.length} points, max speed: ${maxSpeed}');
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console.log(`Prepared heat data: ${heatData.length} points, max speed: ${maxSpeed}`);
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// Нормализуем значения интенсивности от 0 до 1
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if (maxSpeed > 0) {
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return heatData.map(([lat, lng, intensity]) => [lat, lng, intensity / maxSpeed]);
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return heatData.map(([lat, lng, intensity]) => [lat, lng, intensity / maxSpeed]);
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}
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return heatData;
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@ -58,27 +76,27 @@
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// Создание тепловой карты
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const createHeatLayer = (data) => {
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if (!data || data.length === 0) {
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console.warn("No valid heat data provided");
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return null;
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console.warn("No valid heat data provided");
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return null;
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}
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try {
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return L.heatLayer(data, {
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radius: 15,
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blur: 20,
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maxZoom: 17,
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minOpacity: 0.5,
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gradient: {
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0.1: 'blue',
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0.3: 'cyan',
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0.5: 'lime',
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0.7: 'yellow',
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1.0: 'red'
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}
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});
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return L.heatLayer(data, {
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radius: 20, // Увеличьте радиус для глобальной карты
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blur: 15,
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maxZoom: 10,
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minOpacity: 0.7,
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gradient: {
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0.1: 'blue',
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0.3: 'cyan',
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0.5: 'lime',
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0.7: 'yellow',
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1.0: 'red'
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}
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});
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} catch (e) {
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console.error("Failed to create heat layer:", e);
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return null;
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console.error("Failed to create heat layer:", e);
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return null;
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}
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};
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@ -124,7 +142,6 @@
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map.removeControl(layerControl);
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}
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const baseLayers = {};
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const overlays = {};
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if (velocityLayer) {
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@ -223,7 +240,7 @@
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font-size: 14px;
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cursor: pointer;
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}
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.wind-heat-legend {
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:global(.wind-heat-legend) {
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padding: 8px 10px;
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background: rgba(255, 255, 255, 0.9);
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border-radius: 5px;
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@ -233,23 +250,23 @@
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font-family: Arial, sans-serif;
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}
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.wind-heat-legend h4 {
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:global(.wind-heat-legend h4) {
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margin: 0 0 5px;
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font-size: 14px;
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font-weight: bold;
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}
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.legend-scale {
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:global(legend-scale) {
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display: flex;
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margin-bottom: 3px;
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}
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.legend-color {
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:global(legend-color) {
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height: 12px;
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flex-grow: 1;
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}
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.legend-labels {
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:global(.legend-labels) {
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display: flex;
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justify-content: space-between;
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font-size: 11px;
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@ -29,7 +29,7 @@
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onMount(async () => {
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if (!mapContainer) return;
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map = L.map(mapContainer).setView([51.505, -0.09], 13);
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map = L.map(mapContainer).setView([30, 0], 2);
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plotLayerGroup = L.layerGroup().addTo(map);
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L.tileLayer("https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png", {
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