//! Spatial clustering algorithms for point data
//!
//! This module provides various clustering algorithms optimized for geospatial data:
//!
//! - **DBSCAN**: Density-based spatial clustering
//! - **K-means**: Centroid-based partitioning
//! - **Hierarchical**: Agglomerative hierarchical clustering
//!
//! All algorithms handle geographic coordinates and provide specialized distance metrics.
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