🗺️ Navigate LA 28

A Modern Geospatial Navigation Platform for the 2028 Los Angeles Olympics

🏟️ Empowering tourists with real-time navigation, attraction discovery, and transit optimization for the LA 2028 Olympics

🚀 Quick Start • 📋 Features • 🏗️ Architecture • 📖 Documentation • 🤝 Contributing

📋 Features

🗺️ Interactive Mapping

Real-time geospatial visualization using Leaflet with custom Olympic venue markers
Dynamic route planning with multi-modal transportation options
Live traffic and transit updates for optimal journey planning
Accessibility-focused navigation with barrier-free route options

🎯 Smart Discovery

AI-powered attraction recommendations based on user preferences and crowd data
Olympic venue information with event schedules and capacity insights
Restaurant and amenity discovery with real-time availability
Crowd density analytics to avoid overcrowded locations

🚌 Public Transit Integration

Real-time bus tracking with arrival predictions
Metro line integration with live service updates
Optimized multi-modal routing combining walking, bus, and metro
Transit accessibility information for mobility-impaired users

📊 Analytics Dashboard

Visitor flow analytics with heat maps and crowd patterns
Popular destinations tracking with trending locations
Transit usage statistics and route optimization insights
Demographic analytics for better service planning

🏗️ Architecture

graph TB
    subgraph "Frontend Layer"
        A[React + Redux App<br/>Port 3030] --> B[Leaflet Maps]
        A --> C[Chart.js Analytics]
        A --> D[Real-time Updates]
    end
    
    subgraph "Backend Layer"
        E[FastAPI Server<br/>Port 8000] --> F[Authentication]
        E --> G[Geospatial API]
        E --> H[Analytics Engine]
    end
    
    subgraph "Data Layer"
        I[PostgreSQL + PostGIS<br/>Port 5433] --> J[User Data]
        I --> K[Geospatial Data]
        I --> L[Analytics Data]
    end
    
    subgraph "Proxy Layer"
        M[Nginx Proxy<br/>Port 80] --> N[API Routing]
        M --> O[Static File Serving]
        M --> P[Security & CORS]
    end
    
    A --> M
    M --> E
    E --> I
    
    style A fill:#61DAFB,stroke:#20232a,stroke-width:2px
    style E fill:#009688,stroke:#00695C,stroke-width:2px
    style I fill:#336791,stroke:#1e3a8a,stroke-width:2px
    style M fill:#009639,stroke:#006400,stroke-width:2px

🛠️ Technology Stack

Component	Technology	Purpose
Frontend	React 18 + Redux Toolkit	Modern reactive UI with state management
Backend	FastAPI + Python 3.10+	High-performance async API with auto-docs
Database	PostgreSQL 13 + PostGIS	Geospatial data storage and querying
Analytics	Pandas + PostGIS	High-performance data analysis and geospatial queries
Maps	Leaflet + React-Leaflet	Interactive mapping with custom overlays
Analytics	Chart.js + React-Chartjs-2	Real-time data visualization
Containerization	Docker + Docker Compose	Orchestrated multi-service deployment

🚀 Quick Start

Prerequisites

📋 Required Software (Click to expand)

Software	Version	Download Link
Docker Desktop	Latest	Download
Node.js + npm	18.x+	Download
Python	3.10+	Download
Git	Latest	Download

Verify installations:

docker --version          # Docker version 20.x+
node --version            # v18.x+
npm --version             # 9.x+
python3 --version         # Python 3.10+
git --version             # git version 2.x+

🏃‍♂️ One-Command Setup

# Clone and start the entire application
git clone https://github.com/yourusername/Navigate-LA-28.git
cd Navigate-LA-28
docker-compose up -d --build

🌐 Access Your Application

Service	URL	Description
🎨 Frontend	http://localhost:3030	Main application interface
🔧 Backend API	http://localhost:8000	FastAPI REST endpoints
📖 API Docs	http://localhost:8000/docs	Interactive API documentation
🗄️ PostgreSQL	http://localhost:5433	Database connection
🧪 Test DB	http://localhost:5434	Test database connection

🗄️ Database Setup

# Initialize database schema
docker-compose exec server python models/init_db.py

# Populate with sample data (if available)
docker-compose exec server python -c "print('Database initialized successfully')"

🛠️ Development

Frontend Development

⚛️ React Development Setup

cd client

# Install dependencies
npm install

# Start development server with hot reload
npm start

# Run tests with coverage
npm run test:coverage

# Lint and format code
npm run lint:fix
npm run format

# Type checking
npm run type-check

# Build for production
npm run build

Development Features:

🔥 Hot Module Replacement (HMR)
📝 TypeScript support with strict checking
🎨 ESLint + Prettier for code quality
🧪 Jest + React Testing Library
📊 Bundle analyzer for optimization

Backend Development

🐍 Python Development Setup

cd server

# Create virtual environment
python -m venv venv
source venv/bin/activate  # On Windows: venv\Scripts\activate

# Install dependencies
pip install -r requirements.txt
pip install -e ".[dev]"  # Development dependencies

# Start development server with auto-reload
uvicorn main:app --host 0.0.0.0 --port 8000 --reload

# Run tests with coverage
pytest --cov=. --cov-report=html

# Code formatting and linting
black .
isort .
flake8 .
mypy .

# Security checks
bandit -r .
safety check

Development Features:

🔄 Auto-reload on code changes
📋 Comprehensive type hints
🧪 Pytest with async support
🔒 Security scanning with Bandit
📊 Code coverage reporting

Big Data Development

🔥 Spark + Hadoop Development

# Access Spark shell
docker-compose exec spark spark-shell

# Submit Spark jobs
docker-compose exec spark spark-submit --class MySparkApp /app/my_spark_job.py

# HDFS operations
docker-compose exec hadoop hdfs dfs -ls /
docker-compose exec hadoop hdfs dfs -put local_file /hdfs_path

# Upload datasets to HDFS
./move_to_hdfs.sh

Big Data Features:

🗂️ Distributed file storage with HDFS
⚡ Real-time data processing with Spark
📈 Scalable analytics pipeline
🔄 ETL job orchestration

🐳 Docker Services

📋 Service Overview (Click to expand)

Service	Container Name	Ports	Description
Frontend	`navigate_la_frontend`	3000	React development server
Backend	`navigate_la_backend`	5000	FastAPI application server
Database	`navigate_la_postgres`	5433	PostgreSQL with PostGIS
Test DB	`navigate_la_postgres_test`	5434	Testing database
Hadoop	`hadoop`	9870, 9000	HDFS NameNode
DataNode	`hadoop_datanode`	9864	HDFS DataNode
Spark Master	`spark_master`	8080, 7077	Spark cluster master
Spark Worker	`spark_worker`	8090	Spark worker node

🔧 Docker Management

# View all services
docker-compose ps

# View service logs
docker-compose logs -f [service_name]

# Restart specific service
docker-compose restart [service_name]

# Clean rebuild
docker-compose down -v
docker-compose up -d --build --force-recreate

# Monitor resource usage
docker stats

🚀 Production Deployment

🌐 Production Build

# Build production containers
docker-compose -f docker-compose.prod.yml up -d --build

# Production includes:
# - Nginx reverse proxy with SSL
# - Redis caching layer
# - Optimized container images
# - Health checks and monitoring

⚙️ Environment Configuration

🔐 Environment Variables Setup

Backend (server/.env):

DATABASE_URL=postgresql+asyncpg://username:password@host:port/dbname
SECRET_KEY=your-super-secure-secret-key-here
ENVIRONMENT=production
CORS_ORIGINS=https://yourdomain.com
REDIS_URL=redis://redis:6379

Frontend (client/.env):

REACT_APP_API_URL=https://api.yourdomain.com
REACT_APP_SENTRY_DSN=your-sentry-dsn
REACT_APP_GOOGLE_MAPS_API_KEY=your-api-key

📊 API Documentation

🔌 Core Endpoints

📋 API Reference (Click to expand)

Endpoint	Method	Description	Authentication
`/auth/register`	POST	User registration	None
`/auth/login`	POST	User authentication	None
`/places/search`	GET	Search attractions	Optional
`/places/nearby`	GET	Find nearby locations	Optional
`/transit/routes`	GET	Bus route information	None
`/transit/stops/nearby`	GET	Nearby bus stops	None
`/analytics/popular`	GET	Popular destinations	Optional
`/analytics/demographics`	GET	Visitor statistics	Admin

Interactive Documentation: http://localhost:8000/docs

📱 Frontend Routes

Route	Component	Description
`/`	Home	Main map interface
`/search`	Search	Location search
`/analytics`	Analytics	Data dashboard
`/profile`	Profile	User settings

🧪 Testing

🔍 Test Coverage

# Frontend tests
cd client
npm run test:coverage

# Backend tests
cd server
pytest --cov=. --cov-report=html

# View coverage reports
open client/coverage/lcov-report/index.html
open server/htmlcov/index.html

🧪 Test Types

Unit Tests: Component and function testing
Integration Tests: API endpoint testing
E2E Tests: User journey validation
Performance Tests: Load and stress testing

📈 Performance & Analytics

📊 Monitoring

📈 Performance Metrics

Frontend Performance:

Lighthouse score: 95+ (Performance, Accessibility, SEO)
Bundle size: < 2MB (gzipped)
Time to Interactive: < 3s

Backend Performance:

API response time: < 200ms (95th percentile)
Database queries: < 50ms average
Concurrent users: 1000+ supported

Big Data Processing:

Spark job processing: 1M+ records/minute
HDFS storage: Petabyte scale ready
Real-time analytics: < 1s latency

🔐 Security

🛡️ Security Features

🔒 JWT Authentication with httpOnly cookies
🌐 CORS Protection with domain whitelisting
🔐 SQL Injection Prevention with parameterized queries
🛡️ XSS Protection with input sanitization
🔑 Secret Management with environment variables
📊 Security Headers via Nginx configuration

🔍 Security Scanning

# Backend security scan
cd server
bandit -r .
safety check

# Frontend dependency audit
cd client
npm audit

🤝 Contributing

We welcome contributions from the community! Please read our Contributing Guidelines before submitting PRs.

👥 Team Members

Name	Role	Contact
Aditya Gambhir	Backend & Analytics	agamb031@ucr.edu
Faizaan Muzawar	Frontend & Integration	mmuza004@ucr.edu
Ajit Singh	Infrastructure & DevOps	asing349@ucr.edu
Samara Miramontes	Documentation & Testing	smira009@ucr.edu

🔄 Development Workflow

# 1. Fork the repository
# 2. Create feature branch
git checkout -b feature/amazing-feature

# 3. Make changes and commit
git commit -m "Add amazing feature"

# 4. Push to branch
git push origin feature/amazing-feature

# 5. Create Pull Request

📚 Documentation

📖 Additional Resources

📋 API Documentation - Interactive Swagger UI
🚀 Deployment Guide - Production setup
🏗️ Architecture Guide - System design
🐛 Troubleshooting - Common issues

📄 Project Reports

📜 License

This project is licensed under the MIT License - see the LICENSE file for details.

🙏 Acknowledgments

UCLA CS Department for project guidance
LA 2028 Olympic Committee for venue data
Metro LA for transit API access
OpenStreetMap contributors for geospatial data

🏟️ Built with ❤️ for the Los Angeles 2028 Olympics

⬆ Back to Top

Name		Name	Last commit message	Last commit date
Latest commit History 149 Commits
.github/workflows		.github/workflows
client		client
docs		docs
server		server
.gitignore		.gitignore
.pre-commit-config.yaml		.pre-commit-config.yaml
PHASE0_IMPLEMENTATION_STATUS.md		PHASE0_IMPLEMENTATION_STATUS.md
README.md		README.md
docker-compose.prod.yml		docker-compose.prod.yml
docker-compose.yml		docker-compose.yml
navigate_la28.db		navigate_la28.db
poetry.lock		poetry.lock
pyproject.toml		pyproject.toml

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🗺️ Navigate LA 28

📋 Features

🗺️ Interactive Mapping

🎯 Smart Discovery

🚌 Public Transit Integration

📊 Analytics Dashboard

🏗️ Architecture

🛠️ Technology Stack

🚀 Quick Start

Prerequisites

🏃‍♂️ One-Command Setup

🌐 Access Your Application

🗄️ Database Setup

🛠️ Development

Frontend Development

Backend Development

Big Data Development

🐳 Docker Services

🔧 Docker Management

🚀 Production Deployment

🌐 Production Build

⚙️ Environment Configuration

📊 API Documentation

🔌 Core Endpoints

📱 Frontend Routes

🧪 Testing

🔍 Test Coverage

🧪 Test Types

📈 Performance & Analytics

📊 Monitoring

🔐 Security

🛡️ Security Features

🔍 Security Scanning

🤝 Contributing

👥 Team Members

🔄 Development Workflow

📚 Documentation

📖 Additional Resources

📄 Project Reports

📜 License

🙏 Acknowledgments

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