EngineCooling/index.html at main · fm9987/EngineCooling · GitHub

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<!DOCTYPE html>
<html>
    <head>
        <title>Rocket Cooling</title>
        <link rel="stylesheet" href="main.css" />
        <link href="https://fonts.googleapis.com/css2?family=Audiowide&display=swap" rel="stylesheet" />
    </head>

    <body>
        <div class="Title"><h1>Rocket Cooling simulation</h1></div>
        <div class="help Button" onclick="openHelp()">?</div>
        <div class="Data Button" onclick="openData()">Data</div>

        <!-- Menus -->
        <div class="container">
            <!-- Left menu -->
            <div class="side-box left-box">
                <!-- Select the file you want to display -->
                <div class="Button" id="FileSelector">
                    <label id="fileInput">Engine shape:</label>
                </div>

                <!-- Regen cooling option -->
                <div class="Button2 Reg switch-row" id="Reg" style="display: none;">
                    <span class="Button2">Regen cooling</span>
                    <input type="checkbox" role="switch" id="R">
                </div>


                <!-- Film cooling option -->
                <div class="Button2 Film switch-row" id="Film" style="display: none;">
                    <span>Film cooling</span>
                    <input type="checkbox" role="switch" id="F">
                </div>
                <!-- Film cooling variables -->
                <!-- <div class="Variables" style="display: none;"> -->
                <div class="Variables" id="Film_V" style="display: none;">
                    <input type="Location" id="Film_Loc" placeholder="Starting Point">
                </div>

                <!-- Add Initial Conditions of the Sim-->
                <div id="Live-Data" class="Live" style="display: none;">Data of selection:
                <div class="live-item">x: <span id="live-x">--</span></div>
                <div class="live-item">r: <span id="live-r">--</span></div>
                <div class="live-item"><span id="type">D</span>: <span id="live-D">--</span></div>
                </div>

                <!-- Run simulation here -->
                <div class="Button" id="Sim" style="display: none;">
                    Run simulation
                </div>
            </div>

            <div id="canvas" class="rocket">
                <div id="Status" class="Button2" id="Status" style="display: none;">Status:</div>
                <canvas id="rocketCanvas"></canvas>
            </div>

            <!-- Results handling -->
            <div class="side-box right-box">
                <!-- Choose the output to look at from the simulation -->
                <div id="Results" class="Button2" style="display: none;">
                    <select id="Choose">
                    </select>
                </div>
                <!-- Shows the ColorBar based on the results -->
                <!-- <div id="ColorBar" style="display: none;"> -->
                <div id="ColorBar">
                    <div id="MAX" class="Button2" style="display: none;">MAX</div>
                    <canvas id="legendCanvas" width="75%" height="300%"></canvas>
                    <div id="MIN" class="Button2" style="display: none;">MIN</div>
                </div>


                <!-- Resets everything -->
                <div class="Button" id="Reset">Reset</div>
            </div>
        </div>

        <input type="range" id="engineSlider" style="display: none;">

        <input type="range" id="DataSlider" style="display: none;">

        <div class="Error" id="Error">
        </div>


        <script>
        window.onbeforeunload = () => {
            const isChecked = false;
            window.api.setSimType('regen', isChecked);
            window.api.setSimType('film', isChecked);
        };
        let csvLines = []; // global variable to store parsed lines
        let csvHeaders = [];
        let coords = [];  // Add this at the top
        let val = [];     // Add this at the top
        const slider = document.getElementById("engineSlider");
        const slider2 = document.getElementById("DataSlider");
        const liveDisplay = document.getElementById("Error");
        const filmLoc = document.getElementById('Film_Loc');
        let Output = '';

        slider.addEventListener("input", () => {
            const canvas = document.getElementById('rocketCanvas');
            const ctx = canvas.getContext('2d');

            const location1 = Number(slider.value);

            const Film = document.getElementById('F').checked;

            if (!Film) {
                liveDisplay.innerText = "Film is turned off";
                return;
            }

            // Redraw rocket first
            drawRocket(coords, val);

            // Setup scale and margin same as in drawRocket
            const marginX = 10;
            const marginY = 10;
            const maxX = Math.max(...coords.map(p => p.x));
            const maxR = Math.max(...coords.map(p => p.r));
            const scaleX = (canvas.width - 2 * marginX) / maxX;
            const scaleY = (canvas.height - 2 * marginY) / (2 * maxR);
            const centerY = canvas.height / 2;

            // Get physical coordinates
            const p1 = coords[location1];

            // Location for circle
            const x1 = p1.x * scaleX + marginX;
            const y1_top = centerY - p1.r * scaleY;
            const y1_bottom = centerY + p1.r * scaleY;


            // Draw circles at both top and bottom of the wall
            drawCircle(ctx, x1, y1_top);
            drawCircle(ctx, x1, y1_bottom);

            document.getElementById('Film_Loc').placeholder = p1.x.toFixed(3);


            liveDisplay.innerText = `Selected Points: x = ${p1.x.toFixed(3)}, with r = ${p1.r.toFixed(3)}`;
        });

        slider2.addEventListener("input", () => {
            const canvas = document.getElementById('rocketCanvas');
            const ctx = canvas.getContext('2d');
            const live_x = document.getElementById('live-x');
            const live_r = document.getElementById('live-r');
            const live_D = document.getElementById('live-D');

            const location1 = Number(slider2.value);

            // drawRocket(coords, val);

            // Setup scale and margin same as in drawRocket
            const marginX = 10;
            const maxX = Math.max(...coords.map(p => p.x));
            const maxR = Math.max(...coords.map(p => p.r));
            const scaleX = (canvas.width - 2 * marginX) / maxX;

            // Get physical coordinates
            const p1 = coords[location1];
            const p2 = val[location1];

            // Location for circle
            const x1 = p1.x * scaleX + marginX;
            document.getElementById('Film_Loc').placeholder = p1.x.toFixed(3);
            live_x.innerText = p1.x.toFixed(3);
            live_r.innerText = p1.r.toFixed(3);
            if (Output !== ''){
                live_D.innerText = p2.toFixed(3);
            }
        });

        function drawCircle(ctx, x, y, radius = 5) {
            ctx.beginPath();
            ctx.arc(x, y, radius, 0, 2 * Math.PI);
            ctx.strokeStyle = 'white';
            ctx.lineWidth = 2;
            ctx.stroke();
        }

        filmLoc.addEventListener('input', function () {
            const inputX = Number(this.value);
            if (isNaN(inputX)) return;

            // Find index of closest point in coords array
            let closestIndex = 0;
            let minDiff = Math.abs(coords[0].x - inputX);

            for (let i = 1; i < coords.length; i++) {
                const diff = Math.abs(coords[i].x - inputX);
                if (diff < minDiff) {
                    minDiff = diff;
                    closestIndex = i;
                }
            }

            // Set slider to that index and trigger input event
            slider.value = closestIndex;
            slider.dispatchEvent(new Event('input'));
        });

        document.getElementById('fileInput').addEventListener('click', async function (e) {
            const label = this;

            const filePath = await window.api.openFileDialog();
            if (!filePath) return;

            window.api.setInputFilePath(filePath);


            const content = await window.api.readCSV(filePath);
            document.getElementById('Sim').style.display = 'block';
            document.getElementById('Reg').style.display = 'block';
            document.getElementById('Film').style.display = 'block';
            document.getElementById('Status').style.display = 'block';
            document.getElementById('Live-Data').style.display = 'block';
            slider2.style.display = 'block';


            // Parse CSV
            const lines = content.trim().split('\n');
            coords = lines.slice(1).map(line => {
                const [x, r] = line.split(',').map(Number);
                return { x, r };
            });

            drawRocket(coords);
            const fileName = filePath.split(/(\\|\/)/g).pop();
            label.textContent = fileName;
            document.getElementById('Sim').style.display = "block";
            document.getElementById('engineSlider').max = coords.length - 1;
            document.getElementById('engineSlider').value = 0;
        });

        document.getElementById('Sim').addEventListener('click', async function () {
            const resultDiv = document.getElementById('Status');
            resultDiv.textContent = 'Running simulation...';

            const outputFile = await window.api.runSimulation();
            resultDiv.textContent = 'Simulation Finished';
            const content = await window.api.readCSV(outputFile); // assume output is fixed

            const colorBar = document.getElementById('ColorBar');
            document.getElementById('Results').style.display = 'block';
            colorBar.style.display = 'block';
            document.getElementById('engineSlider').style.display = 'none';

            const lines = content.trim().split('\n');
            csvLines = lines;

            // Extract headers from the first line
            const headers = lines[0].split(',');
            csvHeaders = headers;

            // Populate the <select> dropdown
            const selectElement = document.getElementById('Choose');
            selectElement.innerHTML = ''; // Clear existing options

            headers.forEach((header, index) => {
                if (index > 1) {  // Skip x and r columns
                    const option = document.createElement('option');
                    option.value = header;
                    option.textContent = header;
                    selectElement.appendChild(option);
                }
            });
            document.getElementById('Results').style.display = "block";
        });

        document.getElementById('Choose').addEventListener('change', function (){
            // Add code to draw the rocket
            const headers = csvHeaders;
            Output = document.getElementById('Choose').value;
            const columnIndex = headers.indexOf(Output);
            const lines = csvLines;
            document.getElementById('ColorBar').style.display = 'block';
            document.getElementById('type').innerText = Output.charAt(0);

            val = lines.slice(1).map(line => {
                const cols = line.split(',').map(Number);
                return cols[columnIndex];
            });

            const minVal = Math.min(...val);
            const maxVal = Math.max(...val);

            const selected = this.value;

            const coords = lines.slice(1).map(line => {
                const [x, r] = line.split(',').map(Number);
                return { x, r };
            });

            drawRocket(coords, val);
            drawColorBar(minVal,maxVal);
        });

        document.getElementById('R').addEventListener('change', function () {
            const isChecked = this.checked;
            window.api.setSimType('regen', isChecked);
        });

        document.getElementById('Reset').addEventListener('click', async function (){
            await window.api.reset();
        });

        document.getElementById('F').addEventListener('change', function () {
            const isChecked = this.checked;
            drawRocket(coords, val);
            document.getElementById('Film_V').style.display = isChecked ? 'block' : 'none';
            document.getElementById('engineSlider').style.display = isChecked ? 'block' : 'none';
            window.api.setSimType('film', isChecked);
        });

        const { ipcRenderer } = require('electron');

        function drawRocket(points, values = []) {
            const canvas = document.getElementById('rocketCanvas');
            const ctx = canvas.getContext('2d');

            // Set canvas resolution to match CSS size
            canvas.width = canvas.clientWidth;
            canvas.height = canvas.clientHeight;

            ctx.clearRect(0, 0, canvas.width, canvas.height);

            // Add margin to avoid clipping (in pixels)
            const marginX = 10;
            const marginY = 10;

            const maxX = Math.max(...points.map(p => p.x));
            const maxR = Math.max(...points.map(p => p.r));
            const scaleX = (canvas.width - 2 * marginX) / maxX;
            const scaleY = (canvas.height - 2 * marginY) / (2 * maxR);

            ctx.lineWidth = 5;

            // Use a gradient color based on values (e.g., temperature, stress)
            function getColor(v, min, max) {
                if (max === min) return 'rgb(0,0,255)'; // Default to blue if no range

                const t = (v - min) / (max - min); // Normalize between 0 and 1

                const r = Math.round(255 * clamp(1.5 - Math.abs(4 * t - 3), 0, 1));
                const g = Math.round(255 * clamp(1.5 - Math.abs(4 * t - 2), 0, 1));
                const b = Math.round(255 * clamp(1.5 - Math.abs(4 * t - 1), 0, 1));

                return `rgb(${r},${g},${b})`;

                function clamp(x, min, max) {
                    return Math.max(min, Math.min(max, x));
                }
            }

            const minVal = Math.min(...values);
            const maxVal = Math.max(...values);

            // Draw upper side
            for (let i = 0; i < points.length - 1; i++) {
                const p1 = points[i];
                const p2 = points[i + 1];
                const x1 = p1.x * scaleX + marginX;
                const y1 = canvas.height / 2 - p1.r * scaleY;
                const x2 = p2.x * scaleX + marginX;
                const y2 = canvas.height / 2 - p2.r * scaleY;

                const color = values.length ? getColor(values[i], minVal, maxVal) : '#0000FF';
                ctx.strokeStyle = color;

                ctx.beginPath();
                ctx.moveTo(x1, y1);
                ctx.lineTo(x2, y2);
                ctx.stroke();
            }

            // Draw lower side (mirrored)
            for (let i = points.length - 1; i > 0; i--) {
                const p1 = points[i];
                const p2 = points[i - 1];
                const x1 = p1.x * scaleX + marginX;
                const y1 = canvas.height / 2 + p1.r * scaleY;
                const x2 = p2.x * scaleX + marginX;
                const y2 = canvas.height / 2 + p2.r * scaleY;

                const color = values.length ? getColor(values[i], minVal, maxVal) : '#0000FF';
                ctx.strokeStyle = color;

                ctx.beginPath();
                ctx.moveTo(x1, y1);
                ctx.lineTo(x2, y2);
                ctx.stroke();
            }
        }

        function drawColorBar(minVal, maxVal) {
            const canvas = document.getElementById('legendCanvas');
            const ctx = canvas.getContext('2d');

            const width = canvas.width;
            const height = canvas.height;

            const gradient = ctx.createLinearGradient(0, 0, 0, height);
            // Approximate 'jet' colormap using multiple stops
            gradient.addColorStop(0.0,   '#800000'); // dark red
            gradient.addColorStop(0.15,  '#ff0000'); // red
            gradient.addColorStop(0.35,  '#ffff00'); // yellow
            gradient.addColorStop(0.5,   '#00ff00'); // green
            gradient.addColorStop(0.65,  '#00ffff'); // cyan
            gradient.addColorStop(0.85,  '#0000ff'); // blue
            gradient.addColorStop(1.0,   '#000080'); // dark blue

            ctx.fillStyle = gradient;
            ctx.fillRect(0, 0, width, height);

            // Draw min and max labels
            document.getElementById('MAX').textContent = maxVal.toFixed(2);
            document.getElementById('MIN').textContent = minVal.toFixed(2);
            document.getElementById('MAX').style.display = 'block';
            document.getElementById('MIN').style.display = 'block';
        }

        function openData() {
            window.api.openDataWindow();
        }

        function openHelp() {
            window.api.openHelpWindow();
        }

        document.getElementById('R').addEventListener('change', function () {
            const isChecked = this.checked;
            document.getElementById('Reg_V').style.display = isChecked ? 'block' : 'none';
            window.api.setSimType('regen', isChecked);
        });

        window.addEventListener('DOMContentLoaded', () => {
            const slider = document.getElementById('engineSlider');
            const errorBox = document.getElementById('Error');
            errorBox.textContent = "I am called";
            slider.addEventListener('input', function () {
                const index = parseInt(this.value);
                errorBox.textContent = `Slider index: ${index}`;

                if (coords.length && val.length) {
                    drawRocket(coords, val, index);
                } else {
                    errorBox.textContent = 'No data loaded yet.';
                }
            });
        });

        </script>
    </body>
</html>