CGAL 5.6 - Triangulated Surface Mesh Simplification
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CGAL::Surface_mesh_simplification::GarlandHeckbert_triangle_policies< TriangleMesh, GeomTraits > Class Template Reference

#include <CGAL/Surface_mesh_simplification/Policies/Edge_collapse/GarlandHeckbert_triangle_policies.h>

Definition

template<typename TriangleMesh, typename GeomTraits>
class CGAL::Surface_mesh_simplification::GarlandHeckbert_triangle_policies< TriangleMesh, GeomTraits >

The class GarlandHeckbert_triangle_policies regroups the cost and placement policies using the triangle-based Garland-Heckbert strategy (Section Garland-Heckbert Cost and Placement Strategy).

This strategy considers distances to triangular faces, rather than the supporting planes of the faces as in GarlandHeckbert_plane_policies.

Both the cost and the placement policies must be used together as they internally use and share information associating quadrics to vertices. Note however, that they may still be wrapped with behavior modifying classes such as Constrained_placement or Bounded_normal_change_placement.

Template Parameters
TriangleMeshis the type of surface mesh being simplified, and must be a model of the MutableFaceGraph and HalfedgeListGraph concepts.
GeomTraitsmust be a model of Kernel. If you have passed a traits class in the optional named parameters in the call to edge_collapse(), the types must be identical.

These policies depend on the third party Eigen library.

See also
GarlandHeckbert_probabilistic_plane_policies
GarlandHeckbert_probabilistic_triangle_policies

Public Types

typedef unspecified_type Get_cost
 The type of the Garland Heckbert cost functor, a model of the concept GetCost
 
typedef unspecified_type Get_placement
 The type of the Garland Heckbert placement functor, a model of the concept GetPlacement
 

Creation

 GarlandHeckbert_triangle_policies (TriangleMesh &tmesh)
 initializes the Garland-Heckbert Triangle policies.
 

Accessors

const Get_costget_cost () const
 
const Get_placementget_placement () const