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

MESQUITE_EXPORT MBMesquite::LaplacianSmoother::LaplacianSmoother

(

ObjectiveFunction *

OF = NULL

)

[inline]

Parameters:

OF	ObjectiveFunction used by some termination criteria

Definition at line 56 of file LaplacianSmoother.hpp.

: RelaxationSmoother( OF ) {}

MBMesquite::LaplacianSmoother::~LaplacianSmoother

(

)

[virtual]

Definition at line 50 of file src/mesquite/QualityImprover/Relaxation/LaplacianSmoother.cpp.

{}

---

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;

    adjVtxList.clear();
    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:

• LaplacianSmoother.hpp
• src/mesquite/QualityImprover/Relaxation/LaplacianSmoother.cpp