CGAL 5.6.1 - 3D Surface Subdivision Methods
3D Surface Subdivision Methods Reference
Le-Jeng Andy Shiue
Subdivision methods recursively refine a control mesh and generate points approximating the limit surface. This package consists of four popular subdivision methods and their refinement hosts. Supported subdivision methods include Catmull-Clark, Loop, Doo-Sabin and $$\sqrt{3}$$ subdivisions. Their respective refinement hosts are Pqq, Ptq, Dqq and $$\sqrt{3}$$ refinements. Variations of those methods can be easily extended by substituting the geometry computation of the refinement host.
Introduced in: CGAL 4.11
BibTeX: cgal:s-ssm2-24a
Windows Demo: Polyhedron demo

## Parameters

Optional parameters of the functions of this package are implemented as Named Parameters. The page Named Parameters describes their usage.

## Concepts

• SubdivisionMask_3
• PQQMask_3
• PTQMask_3
• DQQMask_3
• Sqrt3Mask_3

## Functions

• CGAL::Subdivision_method_3::PQQ()
• CGAL::Subdivision_method_3::PTQ()
• CGAL::Subdivision_method_3::DQQ()
• CGAL::Subdivision_method_3::Sqrt3()
• CGAL::Subdivision_method_3::CatmullClark_subdivision()
• CGAL::Subdivision_method_3::Loop_subdivision()
• CGAL::Subdivision_method_3::DooSabin_subdivision()
• CGAL::Subdivision_method_3::Sqrt3_subdivision()

## Classes

• CGAL::CatmullClark_mask_3<PolygonMesh>
• CGAL::Loop_mask_3<PolygonMesh>
• CGAL::DooSabin_mask_3<PolygonMesh>
• CGAL::Sqrt3_mask_3<PolygonMesh>
• CGAL::Linear_mask_3<PolygonMesh>

## Modules

Concepts

Subdivision Methods
A subdivision method recursively refines a coarse mesh and generates an ever closer approximation to a smooth surface.

## Files

file  subdivision_method_3.h
Convenience header file including the headers for all the free functions of this package.