212 lines
8.4 KiB
JavaScript
212 lines
8.4 KiB
JavaScript
/**
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* DIRECT CALCULATION WITH STDDEV INTEGRATION
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* ==========================================
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* Replace the d-calc button handler in roll_calculator.html with this code
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*
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* This includes:
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* 1. Diameter calculation with ±2σ ranges
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* 2. Weight calculation with ±2σ ranges
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* 3. Forklift check with worst-case weight
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* 4. Load Optimizer integration with nominal values
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*/
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// This code should replace the existing d-calc button handler
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// Find: document.getElementById('d-calc').addEventListener('click', () => { ... });
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// Replace with the code below:
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document.getElementById('d-calc')?.addEventListener('click', () => {
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console.log('[DirectCalc] Starting calculation...');
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const mode = document.querySelector('.mode-btn.active')?.dataset.mode || 'diameter';
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const d_mm = parseFloat(document.getElementById('d-co').value) || 0;
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const t_mm = parseFloat(document.getElementById('d-th').value) || 0;
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const tol = parseFloat(document.getElementById('d-tol').value) || 0;
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const L_m = parseFloat(document.getElementById('d-le').value) || 0;
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const D_mm = parseFloat(document.getElementById('d-di').value) || 0;
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const category = (document.getElementById('d-cat')?.value || '').toLowerCase();
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const resBox = document.getElementById('d-result');
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const resLabel = document.getElementById('d-res-label');
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const resVal = document.getElementById('d-res-val');
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const resRange = document.getElementById('d-res-range');
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// =====================================================
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// MODE: DIAMETER CALCULATION (with stddev)
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// =====================================================
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if (mode === 'diameter') {
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if (!d_mm || !t_mm || !L_m) {
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alert('Please enter: Core Diameter (d), Product Thickness (t), and Product Length (L).');
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return;
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}
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// Get stddev from data attribute (set during article selection)
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const t_stddev = parseFloat(document.getElementById('d-th')?.dataset.stddev || 0);
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// Calculate diameter ranges using StdDev calculator
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let diameterRanges = null;
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if (window.StdDevCalculator && t_stddev > 0) {
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diameterRanges = window.StdDevCalculator.calculateDiameterRanges(d_mm, t_mm, t_stddev, L_m);
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console.log('[DirectCalc] Diameter with stddev:', diameterRanges);
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} else {
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// Fallback: simple calculation without stddev
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const D_nom = Math.sqrt(d_mm*d_mm + (4*L_m*1000*t_mm)/Math.PI);
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diameterRanges = {
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min: D_nom, nom: D_nom, max: D_nom,
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t_min: t_mm, t_nom: t_mm, t_max: t_mm
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};
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console.log('[DirectCalc] Diameter without stddev (nominal only):', D_nom.toFixed(1));
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}
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// Display diameter result
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resLabel.textContent = 'Roll Diameter (D)';
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resVal.textContent = diameterRanges.nom.toFixed(1) + ' mm';
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if (t_stddev > 0) {
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const d_low = Math.min(diameterRanges.min, diameterRanges.max);
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const d_high = Math.max(diameterRanges.min, diameterRanges.max);
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let rangeText = `Range (±2σ): ${d_low.toFixed(1)}–${d_high.toFixed(1)} mm`;
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if (tol > 0) {
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const d_tol_min = diameterRanges.nom - tol;
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const d_tol_max = diameterRanges.nom + tol;
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rangeText += ` | Tolerance: ${d_tol_min.toFixed(1)}–${d_tol_max.toFixed(1)} mm`;
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}
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resRange.textContent = rangeText;
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} else {
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if (tol > 0) {
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const D_min = Math.sqrt(d_mm*d_mm + (4*L_m*1000*(t_mm-tol))/Math.PI);
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const D_max = Math.sqrt(d_mm*d_mm + (4*L_m*1000*(t_mm+tol))/Math.PI);
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resRange.textContent = `Tolerance: ${D_min.toFixed(1)}–${D_max.toFixed(1)} mm`;
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} else {
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resRange.textContent = '';
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}
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}
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document.getElementById('d-di').value = diameterRanges.nom.toFixed(1);
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resBox.style.display = 'block';
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// =====================================================
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// WEIGHT CALCULATION WITH STDDEV
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// =====================================================
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const wi = parseFloat(document.getElementById('de-wi').value) || 0;
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const aw = parseFloat(document.getElementById('d-aw').value) || 0;
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const aw_stddev = parseFloat(document.getElementById('d-aw')?.dataset.stddev || 0);
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let weightRanges = null;
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if (wi > 0 && aw > 0) {
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if (window.StdDevCalculator && aw_stddev > 0) {
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weightRanges = window.StdDevCalculator.calculateWeightRanges(aw, aw_stddev, L_m, wi);
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console.log('[DirectCalc] Weight with stddev:', weightRanges);
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} else {
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const w = (aw * L_m * wi / 1000);
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weightRanges = { min: w, nom: w, max: w };
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console.log('[DirectCalc] Weight without stddev:', w.toFixed(1), 'kg');
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}
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// Store weight in field with data attributes
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const woEl = document.getElementById('d-wo');
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woEl.value = weightRanges.nom.toFixed(1);
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woEl.dataset.weight_nom = weightRanges.nom.toFixed(1);
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woEl.dataset.weight_min = weightRanges.min.toFixed(1);
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woEl.dataset.weight_max = weightRanges.max.toFixed(1);
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}
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// =====================================================
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// FORKLIFT CHECK WITH WORST-CASE WEIGHT
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// =====================================================
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if (window.ForkliftChecker && weightRanges) {
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const worstCaseWeight = Math.max(weightRanges.nom, weightRanges.max);
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const allowed = window.ForkliftChecker.evaluate(worstCaseWeight, d_mm, category);
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if (!allowed) {
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resBox.style.display = 'none'; // Hide result if blocked
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}
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console.log('[DirectCalc] Forklift check:', {
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nominal: weightRanges.nom.toFixed(1),
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worst_case: worstCaseWeight.toFixed(1),
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allowed: allowed
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});
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}
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// =====================================================
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// LOAD OPTIMIZER INTEGRATION (nominal values)
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// =====================================================
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if (window.loadOptimizerUI && diameterRanges && weightRanges) {
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window.loadOptimizerUI.optimizer.setRollData({
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rollDiameter: diameterRanges.nom,
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coreDiameter: d_mm,
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rollWidth: wi,
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rollWeight: weightRanges.nom, // Use nominal for capacity planning
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m2PerRoll: L_m * wi,
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productLength: L_m
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});
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console.log('[DirectCalc] Load Optimizer updated with nominal values');
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}
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}
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// =====================================================
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// MODE: PRODUCT LENGTH CALCULATION
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// =====================================================
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else if (mode === 'length') {
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if (!d_mm || !t_mm || !D_mm) {
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alert('Please enter: Core Diameter (d), Product Thickness (t), and Roll Diameter (D).');
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return;
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}
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const L = (Math.PI / (4 * t_mm)) * (D_mm*D_mm - d_mm*d_mm) / 1000;
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resLabel.textContent = 'Product Length (L)';
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resVal.textContent = L.toFixed(2) + ' m';
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if (tol > 0) {
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const L_min = (Math.PI / (4*(t_mm+tol))) * (D_mm*D_mm - d_mm*d_mm) / 1000;
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const L_max = (Math.PI / (4*(t_mm-tol))) * (D_mm*D_mm - d_mm*d_mm) / 1000;
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resRange.textContent = `Range: ${L_min.toFixed(2)}–${L_max.toFixed(2)} m`;
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} else {
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resRange.textContent = '';
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}
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document.getElementById('d-le').value = L.toFixed(2);
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resBox.style.display = 'block';
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}
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// =====================================================
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// MODE: TARGET DIAMETER
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// =====================================================
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else if (mode === 'target') {
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if (!d_mm || !t_mm) {
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alert('Please enter: Core Diameter (d) and Product Thickness (t).');
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return;
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}
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const D_target = D_mm || 800;
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const L = (Math.PI / (4 * t_mm)) * (D_target*D_target - d_mm*d_mm) / 1000;
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resLabel.textContent = `Product Length for Ø ${D_target} mm`;
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resVal.textContent = L.toFixed(2) + ' m';
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resRange.textContent = '';
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document.getElementById('d-le').value = L.toFixed(2);
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resBox.style.display = 'block';
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}
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// =====================================================
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// MODE: PRODUCT THICKNESS
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// =====================================================
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else if (mode === 'thickness') {
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if (!d_mm || !D_mm || !L_m) {
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alert('Please enter: Core Diameter (d), Roll Diameter (D), and Product Length (L).');
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return;
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}
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const t = (Math.PI / (4 * L_m * 1000)) * (D_mm*D_mm - d_mm*d_mm);
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resLabel.textContent = 'Product Thickness (t)';
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resVal.textContent = t.toFixed(3) + ' mm';
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resRange.textContent = '';
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document.getElementById('d-th').value = t.toFixed(3);
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resBox.style.display = 'block';
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}
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console.log('[DirectCalc] Calculation complete');
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});
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