MBMesquite::SmartLaplacianSmoother Class Reference

#include <SmartLaplacianSmoother.hpp>

Inheritance diagram for MBMesquite::SmartLaplacianSmoother:

Collaboration diagram for MBMesquite::SmartLaplacianSmoother:

Public Member Functions
MESQUITE_EXPORT	SmartLaplacianSmoother (ObjectiveFunction *OF=NULL)
MESQUITE_EXPORT	~SmartLaplacianSmoother ()
virtual MESQUITE_EXPORT std::string	get_name () const
	Get string name for use in diagnostic and status output.
Static Public Member Functions
static MESQUITE_EXPORT size_t	num_inverted (PatchData &pd, MsqError &err)
Protected Member Functions
virtual MESQUITE_EXPORT void	optimize_vertex_positions (PatchData &pd, MsqError &err)
Private Attributes
std::vector< size_t >	adjVtxList

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Detailed Description

Definition at line 13 of file SmartLaplacianSmoother.hpp.

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Constructor & Destructor Documentation

MESQUITE_EXPORT MBMesquite::SmartLaplacianSmoother::SmartLaplacianSmoother

(

ObjectiveFunction *

OF = NULL

)

[inline]

Parameters:

OF	ObjectiveFunction used by some termination criteria

Definition at line 20 of file SmartLaplacianSmoother.hpp.

: RelaxationSmoother( OF ) {}

MBMesquite::SmartLaplacianSmoother::~SmartLaplacianSmoother

(

)

Definition at line 27 of file SmartLaplacianSmoother.cpp.

{}

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Member Function Documentation

std::string MBMesquite::SmartLaplacianSmoother::get_name

(

)

const [virtual]

Get string name for use in diagnostic and status output.

Implements MBMesquite::Instruction.

Definition at line 22 of file SmartLaplacianSmoother.cpp.

{
    return "SmartLaplacianSmoother";
}

size_t MBMesquite::SmartLaplacianSmoother::num_inverted	(	PatchData &	pd,
		MsqError &	err
	)		[static]

Definition at line 9 of file SmartLaplacianSmoother.cpp.

References MBMesquite::MsqMeshEntity::check_element_orientation(), MBMesquite::PatchData::element_by_index(), MSQ_ERRZERO, and MBMesquite::PatchData::num_elements().

Referenced by optimize_vertex_positions().

{
    size_t result = 0;
    int inverted, junk;
    for( size_t i = 0; i < pd.num_elements(); ++i )
    {
        pd.element_by_index( i ).check_element_orientation( pd, inverted, junk, err );
        MSQ_ERRZERO( err );
        if( inverted ) ++result;
    }
    return result;
}

void MBMesquite::SmartLaplacianSmoother::optimize_vertex_positions	(	PatchData &	pd,
		MsqError &	err
	)		[protected, virtual]

Implements MBMesquite::RelaxationSmoother.

Definition at line 29 of file SmartLaplacianSmoother.cpp.

References adjVtxList, MBMesquite::PatchData::get_adjacent_vertex_indices(), MBMesquite::PatchData::get_vertex_array(), MSQ_ERRRTN, n, MBMesquite::PatchData::num_free_vertices(), num_inverted(), 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;
    const size_t init_inverted    = num_inverted( pd, err );MSQ_ERRRTN( err );

    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();

    const Vector3D orig_pos = verts[center_vtx_index];
    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 );
    const size_t new_inverted = num_inverted( pd, err );MSQ_ERRRTN( err );
    if( new_inverted > init_inverted ) pd.set_vertex_coordinates( orig_pos, center_vtx_index, err );
}

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Member Data Documentation

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

Definition at line 36 of file SmartLaplacianSmoother.hpp.

Referenced by optimize_vertex_positions().

List of all members.

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

• SmartLaplacianSmoother.hpp
• SmartLaplacianSmoother.cpp