Inheritance diagram for UnOptimizer:

Collaboration diagram for UnOptimizer:

Public Member Functions
	UnOptimizer (ObjectiveFunction *of)
virtual	~UnOptimizer ()
virtual std::string	get_name () const
	Get string name for use in diagnostic and status output.
virtual PatchSet *	get_patch_set ()
Protected Member Functions
virtual void	initialize (PatchData &pd, MsqError &err)
virtual void	optimize_vertex_positions (PatchData &pd, MsqError &err)
virtual void	initialize_mesh_iteration (PatchData &pd, MsqError &err)
virtual void	terminate_mesh_iteration (PatchData &pd, MsqError &err)
virtual void	cleanup ()
Private Attributes
std::vector< size_t >	adjVtxList
VertexPatches	patchSet
ObjectiveFunction *	objectiveFunction

Detailed Description

Definition at line 29 of file randomize.cpp.

Constructor & Destructor Documentation

UnOptimizer::UnOptimizer ( ObjectiveFunction * of ) [inline]

Definition at line 32 of file randomize.cpp.

: objectiveFunction( of ) {}

virtual UnOptimizer::~UnOptimizer ( ) [inline, virtual]

Definition at line 34 of file randomize.cpp.

{}

Member Function Documentation

void UnOptimizer::cleanup ( ) [protected, virtual]

Implements MBMesquite::VertexMover.

Definition at line 68 of file randomize.cpp.

{}

std::string UnOptimizer::get_name ( ) const [virtual]

Get string name for use in diagnostic and status output.

Implements MBMesquite::Instruction.

Definition at line 57 of file randomize.cpp.

{
    return "UnOptimize";
}

PatchSet * UnOptimizer::get_patch_set ( ) [virtual]

Implements MBMesquite::QualityImprover.

Definition at line 61 of file randomize.cpp.

{
    return &patchSet;
}

void UnOptimizer::initialize	(	PatchData &	pd,
		MsqError &	err
	)		`[protected, virtual]`

Implements MBMesquite::VertexMover.

Definition at line 65 of file randomize.cpp.

{}

void UnOptimizer::initialize_mesh_iteration	(	PatchData &	pd,
		MsqError &	err
	)		`[protected, virtual]`

Implements MBMesquite::VertexMover.

Definition at line 66 of file randomize.cpp.

{}

void UnOptimizer::optimize_vertex_positions	(	PatchData &	pd,
		MsqError &	err
	)		`[protected, virtual]`

Implements MBMesquite::VertexMover.

Definition at line 70 of file randomize.cpp.

References MBMesquite::arrptr(), MBMesquite::ObjectiveFunction::CALCULATE, MBMesquite::PatchData::create_vertices_memento(), MBMesquite::PatchData::get_minmax_edge_length(), MBMesquite::grad(), MBMesquite::MsqError::INVALID_MESH, MBMesquite::MsqVertex::is_free_vertex(), MSQ_ERRRTN, MSQ_SETERR, MBMesquite::PatchData::num_free_vertices(), MBMesquite::PatchData::set_free_vertices_constrained(), MBMesquite::PatchData::set_to_vertices_memento(), and MBMesquite::PatchData::vertex_by_index().

{
    assert( pd.num_free_vertices() == 1 && pd.vertex_by_index( 0 ).is_free_vertex() );
    std::vector< Vector3D > grad( 1 );
    double val, junk, coeff;
    bool state;

    state = objectiveFunction->evaluate_with_gradient( ObjectiveFunction::CALCULATE, pd, val, grad, err );MSQ_ERRRTN( err );
    if( !state )
    {
        MSQ_SETERR( err )( MsqError::INVALID_MESH );
        return;
    }
    grad[0] /= grad[0].length();

    PatchDataVerticesMemento* memento = pd.create_vertices_memento( err );MSQ_ERRRTN( err );
    std::unique_ptr< PatchDataVerticesMemento > deleter( memento );
    pd.get_minmax_edge_length( junk, coeff );

    for( int i = 0; i < 100; ++i )
    {
        pd.set_free_vertices_constrained( memento, arrptr( grad ), 1, coeff, err );MSQ_ERRRTN( err );
        state = objectiveFunction->evaluate( ObjectiveFunction::CALCULATE, pd, val, true, err );MSQ_ERRRTN( err );
        if( state ) break;
        coeff *= 0.5;
    }
    if( !state )
    {
        pd.set_to_vertices_memento( memento, err );
    }
}