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Example code of azaharizaman/nexus-routing

Informations about the package nexus-routing

Nexus\Routing

Route optimization and Vehicle Routing Problem (VRP) solver for the Nexus ERP system.

Overview

Nexus\Routing provides framework-agnostic algorithms for solving Traveling Salesman Problem (TSP) and Vehicle Routing Problem (VRP) with support for:

This package depends on azaharizaman/nexus-geo for distance calculations and coordinates.

Installation

Features

1. TSP Optimization (Single Vehicle)

Optimizes route for a single vehicle visiting multiple stops:

Output:

2. VRP Optimization (Multi-Vehicle)

Assigns stops to multiple vehicles with capacity constraints:

3. Time Window Constraints

Enforce delivery time windows:

4. Offline Route Cache

Store optimized routes for offline mobile app access:

Cache Characteristics:

5. OR-Tools Integration

For complex VRP scenarios, integrate with Google OR-Tools Docker service:

Architecture

Package Structure

Algorithm Performance

Algorithm Stops Vehicles Time Complexity Execution Time
Nearest-Neighbor 50 1 O(n²) ~10ms
2-Opt Refinement 50 1 O(n²) ~50ms
VRP (Greedy) 100 5 O(n² × v) ~200ms
OR-Tools (Meta) 500 10 Variable 5-30s

Cost Optimization Strategies

  1. Cache Reusable Routes: Store frequently-requested routes (e.g., daily delivery routes)
  2. Batch Optimization: Combine multiple route requests for OR-Tools
  3. Tiered Approach: Use TSP for <20 stops, VRP for 20-100, OR-Tools for >100
  4. Offline Priority: Deliver cache to mobile apps to reduce real-time API calls

Integration with Nexus\Geo

This package tightly integrates with Nexus\Geo:

Constraint Violation Logging

All constraint violations are logged for analytics:

Configuration

Configuration is managed in config/routing.php (in Atomy):

Testing

📖 Documentation

Package Documentation

Additional Resources

License

MIT License. See LICENSE for details.

Dependencies

Contributing

This package follows the Nexus monorepo Logic in Packages, Implementation in Applications architecture. All business logic stays framework-agnostic.

All versions of nexus-routing with dependencies

PHP Build Version
Package Version
Requires php Version ^8.3
psr/log Version ^3.0
azaharizaman/nexus-geo Version dev-main
Composer command for our command line client (download client) This client runs in each environment. You don't need a specific PHP version etc. The first 20 API calls are free. Standard composer command

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