alphashape3d: 3D Alpha-Shape Implementation for Point Cloud Reconstruction

An R package implementation of the 3D alpha-shape algorithm for reconstructing surfaces from point clouds. The package, authored by Beatriz Pateiro-López, generalizes the convex hull to model non-convex and non-connected 3D shapes. It provides functions for computing volume, identifying connected components, and visualizing the estimated 3D set.

Use Cases

• Reconstructing 3D surfaces from point cloud data based on the alpha-shape algorithm.
• Computing the volume of complex, non-convex 3D shapes based on the package's volume calculation function.
• Identifying separate components within a 3D point cloud based on the connected components function.
• Visualizing estimated 3D sets for analysis based on the three-dimensional graphical visualization tools.

Strengths

• Implements the 3D alpha-shape algorithm, which generalizes the convex hull for more complex shapes.
• Provides specific functions for volume computation, component identification, and 3D visualization.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count and dataset size are unknown, which may limit suitability assessment.
• Last update date is unknown; freshness unverified.

Provenance

Source

Beatriz Pateiro-López

Collection Method

Software package implementation of a computational geometry algorithm.