MOAB: Mesh Oriented datABase  (version 5.4.1)
MBMesquite::LaplacianSmoother Class Reference

#include <LaplacianSmoother.hpp>

+ Inheritance diagram for MBMesquite::LaplacianSmoother:
+ Collaboration diagram for MBMesquite::LaplacianSmoother:

Public Member Functions

MESQUITE_EXPORT LaplacianSmoother (ObjectiveFunction *OF=NULL)
virtual MESQUITE_EXPORT ~LaplacianSmoother ()
virtual MESQUITE_EXPORT std::string get_name () const
 Get string name for use in diagnostic and status output.

Protected Member Functions

virtual MESQUITE_EXPORT void optimize_vertex_positions (PatchData &pd, MsqError &err)

Private Attributes

std::vector< size_t > adjVtxList

Detailed Description

Moves free center vertex to the average of the neighboring vertices.

Definition at line 50 of file LaplacianSmoother.hpp.

Constructor & Destructor Documentation

OFObjectiveFunction used by some termination criteria

Definition at line 56 of file LaplacianSmoother.hpp.

: RelaxationSmoother( OF ) {}

Member Function Documentation

std::string MBMesquite::LaplacianSmoother::get_name ( ) const [virtual]

Get string name for use in diagnostic and status output.

Implements MBMesquite::Instruction.

Definition at line 45 of file src/mesquite/QualityImprover/Relaxation/LaplacianSmoother.cpp.

    return "LaplacianSmoother";
void MBMesquite::LaplacianSmoother::optimize_vertex_positions ( PatchData pd,
MsqError err 
) [protected, virtual]

Implements MBMesquite::RelaxationSmoother.

Definition at line 52 of file src/mesquite/QualityImprover/Relaxation/LaplacianSmoother.cpp.

References adjVtxList, MBMesquite::PatchData::get_adjacent_vertex_indices(), MBMesquite::PatchData::get_vertex_array(), MSQ_ERRRTN, n, MBMesquite::PatchData::num_free_vertices(), MBMesquite::PatchData::set_vertex_coordinates(), and MBMesquite::PatchData::snap_vertex_to_domain().

    assert( pd.num_free_vertices() == 1 );
    const size_t center_vtx_index = 0;

    pd.get_adjacent_vertex_indices( center_vtx_index, adjVtxList, err );MSQ_ERRRTN( err );

    if( adjVtxList.empty() ) return;

    const MsqVertex* verts = pd.get_vertex_array( err );
    const size_t n         = adjVtxList.size();

    Vector3D new_pos = verts[adjVtxList[0]];
    for( size_t i = 1; i < n; ++i )
        new_pos += verts[adjVtxList[i]];
    new_pos *= 1.0 / n;
    pd.set_vertex_coordinates( new_pos, center_vtx_index, err );
    pd.snap_vertex_to_domain( center_vtx_index, err );MSQ_ERRRTN( err );

Member Data Documentation

std::vector< size_t > MBMesquite::LaplacianSmoother::adjVtxList [private]

Definition at line 65 of file LaplacianSmoother.hpp.

Referenced by optimize_vertex_positions().

List of all members.

The documentation for this class was generated from the following files:
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