src/ui/README.md

# UI Module

Gradio-based web interface for satellite image retrieval.

## Files

| File | Description |
|------|-------------|
| `app.py` | Gradio application with upload, search, and results display |

## Features

- Image upload (drag-and-drop or file picker)
- Modality selection (optical, SAR, multispectral)
- Retrieval type selection (same-modal, cross-modal)
- K slider for number of results (1-10)
- Results gallery with similarity scores
- Query timing display

## Usage

```python
from src.ui.app import create_app, initialize

# Initialize with retrieval engine and feature extractor
initialize(retrieval, feature_extractor, gallery_dir)

# Create and launch app
app = create_app()
app.launch(server_name="0.0.0.0", server_port=7860)
```