diff --git a/steps/Final_Changelog.html b/steps/Final_Changelog.html deleted file mode 100644 index 6ead04d..0000000 --- a/steps/Final_Changelog.html +++ /dev/null @@ -1,183 +0,0 @@ - - - - - - ARAS Evolution: V2 to V3 Comprehensive Changelog - - - - - - -
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- Major Release - Baseline: e1b8aac (V2) | Current: 16f7736 (V3) -
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- ARAS Visualizer: Version 3 -

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- Version 3 represents a major architectural milestone. The application evolved from a functional visualization prototype into a robust, modular, performance-optimized, and architecturally documented professional tool. -

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1. Sync Engine Rearchitecture

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Redesigned to eliminate drift, stutter, and race conditions.

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2. File Loading & Caching

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Complete modularization of the file processing pipeline.

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3. Performance Optimization

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Rendering refactored for memory stability and frame-rate consistency.

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4. Advanced Visualization

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Intelligent data interpretation and professional UI interactions.

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5. Zoom & God Mode

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6. Living Documentation

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7. UX & Modal System

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8. Data Explorer

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9 & 10. Stability & Infrastructure

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  • • Guards against division-by-zero in SNR mapping.
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  • • Fixed tooltip Y-jitter bug in drawUtils.js.
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  • • Standardized p.deltaTime across all browser engines.
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  • • Dark mode refinements for raw point visibility.
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  • • Decoupled UI logic from the main.js orchestrator.
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  • • Isolated keyboard shortcuts for improved maintainability.
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  • • Unit test suite expanded for utils and parsers.
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  • • Comprehensive Context and README documentation updates.
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Changelog v3.0

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A comprehensive overview of architectural overhauls, performance optimizations, and new features introduced in the latest release.

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- - Major Changes -

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Hybrid Sync & Playback Engine

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The synchronization architecture between video and radar data was completely rewritten to eliminate stutter and ensure 100% solid logic.

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  • Moved updateFrame directly into the videoframecallback for display refresh rate synchronization.
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  • Implemented a "Resync Drift Cascade Lockdown" (circuit breaker) to prevent infinite loop freezes on low-end hardware or when multiple tabs are open.
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  • Added frame-rate independent smoothing for UI and sketches.
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  • Centralized timeline slider, manual offset, and play/stop/pause logic into a dedicated sync.js module.
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Modular File Loading & Offline Support

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Monolithic application files were broken down, and the software was adapted to work entirely offline.

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  • Extracted file handling into src/fileLoader.js, supporting incremental loading (replacing individual files without breaking app state).
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  • Resolved IndexedDB race conditions and startup crashes by ensuring metadata is extracted before parsing visualization data.
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  • Removed Google Fonts dependency and implemented robust fallback logic for local JS libraries, enabling full offline capability.
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  • Corrected caching key usage to ensure auto-reloading from IndexedDB works seamlessly.
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Performance & Memory Optimizations

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Significant improvements to the rendering pipeline to reduce memory allocation and boost framerates.

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  • Resolved major heap memory issues by iterating through data and drawing rectangles directly to the canvas, changing ctx.fillStyle only once per column.
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  • Improved FPS counter stability with a warmup period to prevent erroneous spikes during new file loads.
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  • Removed unnecessary animation loop calls (e.g., drawing axes every frame) and reduced text content updates for a 20%+ performance boost.
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  • Throttled the MATLAB-style Data Explorer updates to prevent unnecessary function calls when closed.
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Living Documentation & Analytical Tools

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Introduced powerful new ways to explore both the application data and the codebase itself.

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  • Living Documentation: Added an interactive codebase overview with a visual 3D-styled navigation map and PrismJS syntax highlighting.
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  • Data Explorer: Added a draggable, resizable MATLAB-style data explorer with timeline sync and track information (launched via 'i' key).
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  • Speed Graph: Implemented drag-to-seek, click-to-seek, and hover tooltips for CAN/Ego speeds.
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  • Added an Inter-Frame Timing (IFT) graph with dynamic scaling animations.
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- - Minor Changes & UX Polish -

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User Interface

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  • Added vertical range slider (20m-200m) to adjust RADAR_Y_MAX dynamically.
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  • Implemented an auto-loading Quick Start Guide modal on the first session launch.
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  • Refined radar-info-overlay to match plot width and center text.
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  • Added theme-aware color logic for raw point clouds in dark mode.
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  • Removed redundant 'scale' and 'absolute time' metrics from persistent overlays.
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Zoom & God Mode

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  • Implemented smooth mouse tracking for the zoom tooltip.
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  • Added Inverse Zoom Logic.
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  • Constrained God Mode tooltips to remain inside the bounding sketch box.
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  • Fixed hover detection bugs during scroll-zoom interactions.
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  • Switched to relative distance squares to reduce computational overhead and initial hover jitter.
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Visuals & Inputs

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  • Added vehicle dimensions visualization and enhanced track risk coloring.
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  • Added state identifiers directly beside TTC markers.
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  • Fixed visibility toggle for "Confirmed ONLY" tracks.
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  • New keyboard shortcuts: Arrow keys (navigation), Shift key (God Mode activation).
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  • Isolated keyboard shortcut logic to prevent input conflicts.
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  • Video player mute defaults removed; standard controls option added.
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Version 3 – Comprehensive Changelog

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Release Scope: Major architectural overhaul, performance optimization, synchronization stability, enhanced visualization intelligence, and UX refinement.

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1. Sync Engine Rearchitecture (Major)

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The playback and synchronization system was completely redesigned to eliminate drift, stutter, and race conditions.

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Key Enhancements:

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Impact: Playback engine is now deterministic, stable under low-end hardware, and resilient against multi-tab load conditions.

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2. File Loading & Caching Overhaul (Major)

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Complete modularization of file loading pipeline.

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Improvements:

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Impact: Eliminated startup crashes, resolved NaN timestamp errors, improved reload time, and increased system robustness.

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3. Performance Optimization Initiative (Major)

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Large-scale performance refactoring across rendering and DOM layers.

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Optimizations:

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Impact: Significant memory stability improvement and smoother animation loops.

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4. Advanced Visualization & UX Enhancements (Major)

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Visualization layer significantly upgraded.

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Enhancements:

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Impact: Visualization now supports intelligent data interpretation and professional-grade interaction behavior.

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5. Zoom & God Mode Enhancements (Major)

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Impact: Enhanced inspection capability for dense radar scenes with stable UX behavior.

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6. In-App Documentation & Architectural Map (Major)

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Impact: Application now self-documents architecture, accelerating onboarding and internal knowledge transfer.

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7. User Guide & Modal System (Major)

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8. Data Explorer Enhancements (Major)

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9. Stability & Bug Fixes (Minor)

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10. Infrastructure & Refactoring (Minor)

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Summary of Version 3

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-Version 3 represents a major architectural milestone. The application evolved from a functional visualization prototype into a robust, modular, performance-optimized, and architecturally documented professional tool. -

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Overall Classification: Major Release – Architectural & Performance Upgrade

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