claudio-iturra.github.io/windir.html at main · claudio-iturra/claudio-iturra.github.io · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Wind Analysis Dashboard</title>
    <script src="https://cdn.plot.ly/plotly-latest.min.js"></script>
    <script src="https://cdn.tailwindcss.com"></script>
</head>
<body class="bg-gradient-to-br from-blue-50 to-indigo-100 min-h-screen">
    <div class="container mx-auto px-4 py-8">
        <!-- Header -->
        <div class="text-center mb-8">
            <h1 class="text-4xl font-bold text-gray-800 mb-2">🌪️ Wind Analysis Dashboard</h1>
            <p class="text-gray-600">Convert wind direction and speed to U/V components with interactive visualizations by Claudio Iturra</p>
        </div>

        <!-- Input Section -->
        <div class="bg-white rounded-lg shadow-lg p-6 mb-8">
            <h2 class="text-2xl font-semibold text-gray-800 mb-4">Wind Data Input</h2>
            <div class="grid md:grid-cols-2 gap-6">
                <div>
                    <label class="block text-sm font-medium text-gray-700 mb-2">Wind Direction (degrees, 0-360)</label>
                    <textarea id="directionInput" class="w-full h-32 p-3 border border-gray-300 rounded-md focus:ring-2 focus:ring-blue-500 focus:border-transparent" placeholder="Enter directions separated by commas or new lines..."></textarea>
                </div>
                <div>
                    <label class="block text-sm font-medium text-gray-700 mb-2">Wind Speed (knots)</label>
                    <textarea id="speedInput" class="w-full h-32 p-3 border border-gray-300 rounded-md focus:ring-2 focus:ring-blue-500 focus:border-transparent" placeholder="Enter speeds separated by commas or new lines..."></textarea>
                </div>
            </div>
            <div class="mt-6 flex gap-4">
                <button onclick="loadSampleData()" class="bg-green-600 hover:bg-green-700 text-white px-6 py-2 rounded-md transition-colors">
                    Load Sample Data
                </button>
                <button onclick="processData()" class="bg-blue-600 hover:bg-blue-700 text-white px-6 py-2 rounded-md transition-colors">
                    Process & Visualize
                </button>
                <button onclick="clearData()" class="bg-gray-600 hover:bg-gray-700 text-white px-6 py-2 rounded-md transition-colors">
                    Clear All
                </button>
            </div>
        </div>

        <!-- Results Table -->
        <div id="resultsSection" class="bg-white rounded-lg shadow-lg p-6 mb-8 hidden">
            <h2 class="text-2xl font-semibold text-gray-800 mb-4">Converted Data</h2>
            <div class="overflow-x-auto">
                <table class="min-w-full table-auto">
                    <thead class="bg-gray-50">
                        <tr>
                            <th class="px-4 py-2 text-left text-sm font-medium text-gray-700">Index</th>
                            <th class="px-4 py-2 text-left text-sm font-medium text-gray-700">Direction (°)</th>
                            <th class="px-4 py-2 text-left text-sm font-medium text-gray-700">Speed (knots)</th>
                            <th class="px-4 py-2 text-left text-sm font-medium text-gray-700">Speed (m/s)</th>
                            <th class="px-4 py-2 text-left text-sm font-medium text-gray-700">U (m/s)</th>
                            <th class="px-4 py-2 text-left text-sm font-medium text-gray-700">V (m/s)</th>
                        </tr>
                    </thead>
                    <tbody id="resultsTable" class="divide-y divide-gray-200">
                    </tbody>
                </table>
            </div>
        </div>

        <!-- Visualizations -->
        <div class="grid lg:grid-cols-2 gap-8">
            <!-- U/V Components Plot -->
            <div class="bg-white rounded-lg shadow-lg p-6">
                <h3 class="text-xl font-semibold text-gray-800 mb-4">U & V Wind Components</h3>
                <div id="uvPlot" class="w-full h-96"></div>
            </div>

            <!-- Wind Speed Time Series -->
            <div class="bg-white rounded-lg shadow-lg p-6">
                <h3 class="text-xl font-semibold text-gray-800 mb-4">Wind Speed Time Series</h3>
                <div id="speedPlot" class="w-full h-96"></div>
            </div>

            <!-- Wind Rose -->
            <div class="bg-white rounded-lg shadow-lg p-6 lg:col-span-2">
                <h3 class="text-xl font-semibold text-gray-800 mb-4">Wind Rose - Direction & Magnitude</h3>
                <div id="windRose" class="w-full h-96"></div>
            </div>
        </div>

        <!-- Info Section -->
        <div class="bg-white rounded-lg shadow-lg p-6 mt-8">
            <h3 class="text-xl font-semibold text-gray-800 mb-4">📊 About the Conversions</h3>
            <div class="grid md:grid-cols-2 gap-6 text-sm text-gray-600">
                <div>
                    <h4 class="font-semibold text-gray-800 mb-2">Unit Conversions:</h4>
                    <ul class="space-y-1">
                        <li>• 1 knot = 0.514444 m/s</li>
                        <li>• Wind direction: meteorological convention (from direction)</li>
                    </ul>
                </div>
                <div>
                    <h4 class="font-semibold text-gray-800 mb-2">U/V Components:</h4>
                    <ul class="space-y-1">
                        <li>• U = -speed × sin(direction × π/180)</li>
                        <li>• V = -speed × cos(direction × π/180)</li>
                        <li>• U: East-West component (positive = eastward)</li>
                        <li>• V: North-South component (positive = northward)</li>
                    </ul>
                </div>
            </div>
        </div>
    </div>

    <script>
        let windData = [];

        function loadSampleData() {
            // Sample wind data - realistic wind patterns
            const sampleDirections = [
                45, 50, 55, 60, 65, 70, 75, 80, 85, 90,
                95, 100, 105, 110, 115, 120, 125, 130, 135, 140,
                225, 230, 235, 240, 245, 250, 255, 260, 265, 270,
                275, 280, 285, 290, 295, 300, 305, 310, 315, 320
            ];

            const sampleSpeeds = [
                12, 15, 18, 22, 25, 28, 30, 32, 28, 25,
                22, 20, 18, 16, 14, 12, 10, 8, 6, 8,
                10, 12, 15, 18, 20, 22, 25, 28, 30, 32,
                30, 28, 25, 22, 20, 18, 15, 12, 10, 8
            ];

            document.getElementById('directionInput').value = sampleDirections.join(', ');
            document.getElementById('speedInput').value = sampleSpeeds.join(', ');

            processData();
        }

        function clearData() {
            document.getElementById('directionInput').value = '';
            document.getElementById('speedInput').value = '';
            document.getElementById('resultsSection').classList.add('hidden');

            // Clear plots
            Plotly.purge('uvPlot');
            Plotly.purge('speedPlot');
            Plotly.purge('windRose');
        }

        function parseInput(input) {
            return input.split(/[,\n]/)
                       .map(x => x.trim())
                       .filter(x => x !== '')
                       .map(x => parseFloat(x))
                       .filter(x => !isNaN(x));
        }

        function knotsToMs(knots) {
            return knots * 0.514444;
        }

        function calculateUV(direction, speedMs) {
            const dirRad = direction * Math.PI / 180;
            const u = -speedMs * Math.sin(dirRad);
            const v = -speedMs * Math.cos(dirRad);
            return { u, v };
        }

        function processData() {
            const directionText = document.getElementById('directionInput').value;
            const speedText = document.getElementById('speedInput').value;

            const directions = parseInput(directionText);
            const speeds = parseInput(speedText);

            if (directions.length === 0 || speeds.length === 0) {
                alert('Please enter both wind directions and speeds');
                return;
            }

            if (directions.length !== speeds.length) {
                alert('Number of directions and speeds must match');
                return;
            }

            // Validate direction range
            const invalidDirections = directions.filter(d => d < 0 || d > 360);
            if (invalidDirections.length > 0) {
                alert('Wind directions must be between 0 and 360 degrees');
                return;
            }

            // Process data
            windData = [];
            for (let i = 0; i < directions.length; i++) {
                const direction = directions[i];
                const speedKnots = speeds[i];
                const speedMs = knotsToMs(speedKnots);
                const { u, v } = calculateUV(direction, speedMs);

                windData.push({
                    index: i + 1,
                    direction,
                    speedKnots,
                    speedMs,
                    u,
                    v
                });
            }

            displayResults();
            createVisualizations();
        }

        function displayResults() {
            const tableBody = document.getElementById('resultsTable');
            tableBody.innerHTML = '';

            windData.forEach(data => {
                const row = document.createElement('tr');
                row.className = 'hover:bg-gray-50';
                row.innerHTML = `
                    <td class="px-4 py-2 text-sm text-gray-900">${data.index}</td>
                    <td class="px-4 py-2 text-sm text-gray-900">${data.direction.toFixed(1)}°</td>
                    <td class="px-4 py-2 text-sm text-gray-900">${data.speedKnots.toFixed(1)}</td>
                    <td class="px-4 py-2 text-sm text-gray-900">${data.speedMs.toFixed(2)}</td>
                    <td class="px-4 py-2 text-sm text-gray-900">${data.u.toFixed(2)}</td>
                    <td class="px-4 py-2 text-sm text-gray-900">${data.v.toFixed(2)}</td>
                `;
                tableBody.appendChild(row);
            });

            document.getElementById('resultsSection').classList.remove('hidden');
        }

        function createVisualizations() {
            createUVPlot();
            createSpeedPlot();
            createWindRose();
        }

        function createUVPlot() {
            const indices = windData.map(d => d.index);
            const uValues = windData.map(d => d.u);
            const vValues = windData.map(d => d.v);

            const trace1 = {
                x: indices,
                y: uValues,
                type: 'scatter',
                mode: 'lines+markers',
                name: 'U Component (East-West)',
                line: { color: '#3B82F6', width: 2 },
                marker: { size: 6 }
            };

            const trace2 = {
                x: indices,
                y: vValues,
                type: 'scatter',
                mode: 'lines+markers',
                name: 'V Component (North-South)',
                line: { color: '#EF4444', width: 2 },
                marker: { size: 6 }
            };

            const layout = {
                title: 'Wind U & V Components Over Time',
                xaxis: { title: 'Data Point Index' },
                yaxis: { title: 'Velocity (m/s)' },
                hovermode: 'x unified',
                showlegend: true,
                margin: { t: 50, r: 50, b: 50, l: 50 }
            };

            Plotly.newPlot('uvPlot', [trace1, trace2], layout, { responsive: true });
        }

        function createSpeedPlot() {
            const indices = windData.map(d => d.index);
            const speedsMs = windData.map(d => d.speedMs);
            const speedsKnots = windData.map(d => d.speedKnots);

            const trace1 = {
                x: indices,
                y: speedsMs,
                type: 'scatter',
                mode: 'lines+markers',
                name: 'Speed (m/s)',
                line: { color: '#10B981', width: 2 },
                marker: { size: 6 },
                yaxis: 'y'
            };

            const trace2 = {
                x: indices,
                y: speedsKnots,
                type: 'scatter',
                mode: 'lines+markers',
                name: 'Speed (knots)',
                line: { color: '#F59E0B', width: 2 },
                marker: { size: 6 },
                yaxis: 'y2'
            };

            const layout = {
                title: 'Wind Speed Over Time',
                xaxis: { title: 'Data Point Index' },
                yaxis: {
                    title: 'Speed (m/s)',
                    side: 'left'
                },
                yaxis2: {
                    title: 'Speed (knots)',
                    side: 'right',
                    overlaying: 'y'
                },
                hovermode: 'x unified',
                showlegend: true,
                margin: { t: 50, r: 50, b: 50, l: 50 }
            };

            Plotly.newPlot('speedPlot', [trace1, trace2], layout, { responsive: true });
        }

        function createWindRose() {
            const directions = windData.map(d => d.direction);
            const speeds = windData.map(d => d.speedMs);

            // Create wind rose using polar scatter plot
            const trace = {
                type: 'scatterpolar',
                r: speeds,
                theta: directions,
                mode: 'markers',
                marker: {
                    color: speeds,
                    colorscale: 'Viridis',
                    size: 8,
                    colorbar: {
                        title: 'Wind Speed (m/s)',
                        titleside: 'right'
                    }
                },
                text: windData.map(d => `Direction: ${d.direction}°<br>Speed: ${d.speedMs.toFixed(2)} m/s`),
                hovertemplate: '%{text}<extra></extra>'
            };

            const layout = {
                title: 'Wind Rose - Direction vs Magnitude',
                polar: {
                    radialaxis: {
                        title: 'Wind Speed (m/s)',
                        angle: 90
                    },
                    angularaxis: {
                        title: 'Wind Direction (degrees)',
                        direction: 'clockwise',
                        period: 360,
                        tickmode: 'array',
                        tickvals: [0, 45, 90, 135, 180, 225, 270, 315],
                        ticktext: ['N', 'NE', 'E', 'SE', 'S', 'SW', 'W', 'NW']
                    }
                },
                showlegend: false,
                margin: { t: 80, r: 80, b: 50, l: 50 }
            };

            Plotly.newPlot('windRose', [trace], layout, { responsive: true });
        }

        // Load sample data on page load
        window.onload = function() {
            loadSampleData();
        };
    </script>
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