Michael Schiemer
fc3d7e6357
- Add comprehensive health check system with multiple endpoints - Add Prometheus metrics endpoint - Add production logging configurations (5 strategies) - Add complete deployment documentation suite: * QUICKSTART.md - 30-minute deployment guide * DEPLOYMENT_CHECKLIST.md - Printable verification checklist * DEPLOYMENT_WORKFLOW.md - Complete deployment lifecycle * PRODUCTION_DEPLOYMENT.md - Comprehensive technical reference * production-logging.md - Logging configuration guide * ANSIBLE_DEPLOYMENT.md - Infrastructure as Code automation * README.md - Navigation hub * DEPLOYMENT_SUMMARY.md - Executive summary - Add deployment scripts and automation - Add DEPLOYMENT_PLAN.md - Concrete plan for immediate deployment - Update README with production-ready features All production infrastructure is now complete and ready for deployment.
86 lines
2.4 KiB
PHP
86 lines
2.4 KiB
PHP
<?php
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declare(strict_types=1);
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echo "=== Analyzing Data Placement Order ===\n\n";
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$size = 21;
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echo "Expected placement order according to ISO/IEC 18004:\n\n";
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$order = 0;
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for ($col = $size - 1; $col >= 1; $col -= 2) {
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if ($col === 6) {
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echo "Skip timing column 6\n";
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$col--;
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}
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// Calculate direction
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$upward = ((int) (($size - 1 - $col) / 2) % 2) === 0;
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$direction = $upward ? '⬆️ UP' : '⬇️ DOWN';
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echo "Columns {$col}-" . ($col - 1) . " ({$direction}):\n";
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for ($i = 0; $i < $size; $i++) {
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$row = $upward ? ($size - 1 - $i) : $i;
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for ($c = 0; $c < 2; $c++) {
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$currentCol = $col - $c;
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// Check if function pattern
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$isFunctionPattern = false;
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// Finder patterns + separators
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if (($row <= 8 && $currentCol <= 8) ||
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($row <= 7 && $currentCol >= $size - 8) ||
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($row >= $size - 8 && $currentCol <= 7)) {
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$isFunctionPattern = true;
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}
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// Timing patterns
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if ($row === 6 || $currentCol === 6) {
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$isFunctionPattern = true;
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}
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// Dark module
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if ($row === 13 && $currentCol === 8) {
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$isFunctionPattern = true;
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}
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// Format info
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if ($row === 8 || $currentCol === 8) {
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$isFunctionPattern = true;
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}
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if (!$isFunctionPattern) {
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if ($order < 20) { // Only show first 20
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echo sprintf(" [%3d] (%2d,%2d)\n", $order, $row, $currentCol);
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}
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$order++;
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}
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}
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}
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if ($order >= 20) {
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echo " ... (showing first 20 positions)\n";
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break;
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}
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echo "\n";
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}
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echo "\nTotal data positions: {$order}\n";
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// Now analyze what SHOULD be the placement according to ISO spec
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echo "\n=== ISO/IEC 18004 Specification ===\n";
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echo "Data placement starts at bottom-right corner\n";
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echo "Moves in 2-column vertical stripes\n";
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echo "Direction alternates: UP, DOWN, UP, DOWN, ...\n";
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echo "\nFor Version 1 (21x21):\n";
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echo "- Total modules: 21x21 = 441\n";
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echo "- Function patterns: Finder(3x49) + Timing(2x15) + Format(31) + Dark(1) = 178 modules\n";
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echo "- Data+EC modules: 441 - 178 = 263 modules\n";
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echo "- Data+EC codewords: 16 + 10 = 26 bytes = 208 bits\n";
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echo "- Padding modules: 263 - 208 = 55 light modules\n";
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