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+# 3D Video Generation Test Mode
+
+## Overview
+
+The 3D video generation now supports two modes to balance quality and generation speed:
+
+### 🏃‍♂️ 720p Test Mode (Fast)
+- **Resolution**: 1280x720 pixels
+- **Frame Rate**: 30 FPS
+- **Entry Sequence**: 60 frames (2 seconds)
+- **Route Frames**: 2x per GPS point
+- **Generation Speed**: ~3x faster than production mode
+- **File Size**: ~1/4 of production mode
+- **Best For**: Quick previews, debugging routes, testing changes
+
+### 🎯 2K Production Mode (High Quality)
+- **Resolution**: 2560x1440 pixels (2K)
+- **Frame Rate**: 60 FPS
+- **Entry Sequence**: 120 frames (4 seconds)
+- **Route Frames**: 3x per GPS point
+- **Generation Speed**: Full quality processing
+- **File Size**: Full size for maximum quality
+- **Best For**: Final videos, presentations, high-quality output
+
+## How to Use
+
+### In the App UI
+1. Click "Generate 3D Video" button
+2. Choose from the popup:
+   - **"Generate 720p Test Video"** for fast testing
+   - **"Generate 2K Production Video"** for final quality
+
+### In Code
+```python
+# Test mode (720p, faster)
+generate_3d_video_animation(project_name, resources_folder, label, progress, popup, clock, test_mode=True)
+
+# Production mode (2K, high quality)
+generate_3d_video_animation(project_name, resources_folder, label, progress, popup, clock, test_mode=False)
+
+# Or use convenience functions
+generate_3d_video_animation_test_mode(...)
+generate_3d_video_animation_production_mode(...)
+```
+
+## Performance Comparison
+
+| Aspect | 720p Test Mode | 2K Production Mode |
+|--------|----------------|-------------------|
+| Resolution | 1280x720 | 2560x1440 |
+| Total Pixels | ~0.9 megapixels | ~3.7 megapixels |
+| Frame Rate | 30 FPS | 60 FPS |
+| Space Entry | 2 seconds | 4 seconds |
+| Processing Time | ~3x faster | Full quality |
+| File Size | ~1/4 size | Full size |
+| Quality | Good for preview | Cinema quality |
+
+## When to Use Each Mode
+
+### Use 720p Test Mode When:
+- ✅ Testing route visualization
+- ✅ Debugging GPS data issues
+- ✅ Iterating on video parameters
+- ✅ Quick previews for clients
+- ✅ Development and testing
+- ✅ Limited storage space
+- ✅ Faster upload/sharing needed
+
+### Use 2K Production Mode When:
+- ✅ Creating final deliverable videos
+- ✅ Professional presentations
+- ✅ High-quality demos
+- ✅ Maximum visual impact needed
+- ✅ Detailed route analysis required
+- ✅ Large screen display planned
+
+## File Naming Convention
+
+Generated videos will include the mode in the filename:
+- Test mode: `project_720p_test_20250708_142815.mp4`
+- Production mode: `project_2K_production_20250708_142815.mp4`
+
+## Technical Details
+
+### Test Mode Optimizations:
+- Reduced frame generation (60 vs 120 for entry)
+- Lower resolution reduces processing per frame
+- Fewer intermediate frames per GPS point
+- 30 FPS reduces total frame count
+- Optimized rendering pipeline
+
+### Production Mode Features:
+- Ultra-high resolution Earth rendering
+- Extended space entry sequence
+- Maximum detail in atmospheric effects
+- Professional-grade visual effects
+- Cinema-quality color grading
+- Smooth 60 FPS motion
+
+## Tips for Best Results
+
+1. **Start with Test Mode**: Always preview your route in 720p test mode first
+2. **Iterate Quickly**: Use test mode to adjust route parameters
+3. **Final Production**: Once satisfied, generate the 2K production version
+4. **Storage Planning**: Test mode files are ~25% the size of production files
+5. **Time Management**: Test mode generates ~3x faster than production mode
+
+This dual-mode approach allows for rapid iteration during development while maintaining the ability to produce ultra-high-quality final videos.