MOAB: Mesh Oriented datABase  (version 5.2.1)
simple_hybrid_test.cpp File Reference
#include "TestUtil.hpp"
#include "Mesquite.hpp"
#include "MeshImpl.hpp"
#include "PlanarDomain.hpp"
#include "InstructionQueue.hpp"
#include "TerminationCriterion.hpp"
#include "QualityAssessor.hpp"
#include "MsqError.hpp"
#include "ShapeImprovementWrapper.hpp"
#include "IdealWeightInverseMeanRatio.hpp"
#include "EdgeLengthQualityMetric.hpp"
#include "LPtoPTemplate.hpp"
#include "SteepestDescent.hpp"
#include "ConjugateGradient.hpp"
#include <iostream>
#include <cstdlib>
+ Include dependency graph for simple_hybrid_test.cpp:

Go to the source code of this file.

Functions

int main ()

Function Documentation

int main ( )

Definition at line 70 of file simple_hybrid_test.cpp.

References MBMesquite::TerminationCriterion::add_iteration_limit(), MBMesquite::InstructionQueue::add_quality_assessor(), default_file_name, mesh, MBMesquite::print_timing_diagnostics(), MBMesquite::MeshImpl::read_vtk(), MBMesquite::IQInterface::run_instructions(), MBMesquite::QualityImprover::set_inner_termination_criterion(), MBMesquite::InstructionQueue::set_master_quality_improver(), MBMesquite::QualityImprover::set_outer_termination_criterion(), MBMesquite::PatchSetUser::use_global_patch(), and MBMesquite::MeshImpl::write_vtk().

{
    MBMesquite::MeshImpl mesh;
    MsqPrintError err( cout );
    // create geometry: plane z=0, normal (0,0,1)
    Vector3D pnt( 0, 0, 0 );
    Vector3D s_norm( 0, 0, 1 );
    MBMesquite::PlanarDomain msq_geom( s_norm, pnt );

    std::string default_file_name = TestDir + "/2D/vtk/mixed/untangled/hybrid_3quad_1tri.vtk";
    mesh.read_vtk( default_file_name.c_str(), err );
    if( err ) return 1;

    // creates an intruction queue
    InstructionQueue queue1;

    // creates a mean ratio quality metric ...
    IdealWeightInverseMeanRatio mean_ratio( err );
    if( err ) return 1;
    //   mean_ratio->set_gradient_type(QualityMetric::NUMERICAL_GRADIENT);
    //   mean_ratio->set_hessian_type(QualityMetric::NUMERICAL_HESSIAN);
    // mean_ratio->set_averaging_method(QualityMetric::SUM, err);
    // MSQ_CHKERR(err);

    // ... and builds an objective function with it
    LPtoPTemplate obj_func( &mean_ratio, 2, err );
    if( err ) return 1;
    ;

    // creates the steepest descent, feas newt optimization procedures
    // ConjugateGradient* pass1 = new ConjugateGradient( &obj_func, err );
    SteepestDescent pass1( &obj_func );
    pass1.use_global_patch();
    if( err ) return 1;
    ;

    QualityAssessor qa = QualityAssessor( &mean_ratio );
    if( err ) return 1;
    ;

    // **************Set termination criterion****************
    TerminationCriterion tc_inner;
    tc_inner.add_iteration_limit( 1 );
    //_inner.add_absolute_quality_improvement( OF_value );
    // tc_inner.add_absolute_gradient_L2_norm( OF_value );
    TerminationCriterion tc_outer;
    // tc_outer.add_iteration_limit( 1 );
    tc_outer.add_iteration_limit( 1 );

    pass1.set_inner_termination_criterion( &tc_inner );
    pass1.set_outer_termination_criterion( &tc_outer );

    queue1.add_quality_assessor( &qa, err );
    if( err ) return 1;
    // adds 1 pass of pass1 to mesh_set1
    queue1.set_master_quality_improver( &pass1, err );
    if( err ) return 1;
    queue1.add_quality_assessor( &qa, err );
    if( err ) return 1;
    mesh.write_vtk( "original_mesh.vtk", err );
    if( err ) return 1;

    MeshDomainAssoc mesh_and_domain = MeshDomainAssoc( &mesh, &msq_geom );
    queue1.run_instructions( &mesh_and_domain, err );
    if( err ) return 1;
    mesh.write_vtk( "smoothed_mesh.vtk", err );
    if( err ) return 1;
    // std::cout<<"\n\nNow running the shape wrapper.\n=n";
    // ShapeImprovementWrapper wrap(100);
    // wrap.run_instructions(mesh_set1, err); MSQ_CHKERR(err);
    print_timing_diagnostics( cout );
    return 0;
}
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