MOAB: Mesh Oriented datABase  (version 5.2.1)
main.cpp File Reference
#include "Mesquite.hpp"
#include "MsqMOAB.hpp"
#include "MeshImpl.hpp"
#include "MsqError.hpp"
#include "InstructionQueue.hpp"
#include "TerminationCriterion.hpp"
#include "QualityAssessor.hpp"
#include "PlanarDomain.hpp"
#include "MeshWriter.hpp"
#include "TestUtil.hpp"
#include "IdealWeightInverseMeanRatio.hpp"
#include "EdgeLengthQualityMetric.hpp"
#include "LPtoPTemplate.hpp"
#include "FeasibleNewton.hpp"
#include "ConjugateGradient.hpp"
#include "SmartLaplacianSmoother.hpp"
#include <iostream>
#include "iBase.h"
+ Include dependency graph for test/mesquite/imesh/main.cpp:

Go to the source code of this file.

Functions

void usage ()
Meshget_imesh_mesh (const char *file_name)
Meshget_native_mesh (const char *file_name)
int run_global_smoother (Mesh *mesh, MsqError &err)
int run_local_smoother (Mesh *mesh, MsqError &err)
int main (int argc, char *argv[])

Variables

std::string default_file_name = "/3D/vtk/large_box_hex_1000.vtk"

Function Documentation

Mesh * get_imesh_mesh ( const char *  file_name)

Definition at line 267 of file test/mesquite/imesh/main.cpp.

References iBase_REGION, iBase_SUCCESS, ierr, iMesh_dtor, iMesh_getRootSet, iMesh_getTagHandle, iMesh_load, iMesh_newMesh, moab::Core::load_file(), mb, MB_CHK_SET_ERR_RET_VAL, MBHEX, MSQ_CHKERR, root_set, and moab::Core::tag_get_handle().

Referenced by main().

{
#ifdef USE_IMESH
    int ierr;
    iMesh_Instance imesh_mesh = 0;
    iMesh_newMesh( NULL, &imesh_mesh, &ierr, 0 );
    if( iBase_SUCCESS != ierr ) { return 0; }

    iBase_EntitySetHandle root_set;
    iMesh_getRootSet( imesh_mesh, &root_set, &ierr );
    if( iBase_SUCCESS != ierr )
    {
        iMesh_dtor( imesh_mesh, &ierr );
        return 0;
    }

    iMesh_load( imesh_mesh, root_set, file_name, 0, &ierr, strlen( file_name ), 0 );
    if( iBase_SUCCESS != ierr )
    {
        std::cerr << file_name << ": failed to load file." << std::endl;
        iMesh_dtor( imesh_mesh, &ierr );
        return 0;
    }

    iBase_TagHandle fixed_tag;
    iMesh_getTagHandle( imesh_mesh, "fixed", &fixed_tag, &ierr, strlen( "fixed" ) );
    if( iBase_SUCCESS != ierr )
    {
        iMesh_dtor( imesh_mesh, &ierr );
        return 0;
    }

    MsqError err;
    Mesh* result = new MBMesquite::MsqIMesh( imesh_mesh, root_set, iBase_REGION, err, &fixed_tag );
    if( MSQ_CHKERR( err ) )
    {
        delete result;
        cerr << err << endl;
        return 0;
    }

#else

    moab::Core* mb = new( std::nothrow ) moab::Core;
    if( NULL == mb ) return 0;

    moab::ErrorCode rval;
    // This file is in the mesh files directory
    rval = mb->load_file( file_name );MB_CHK_SET_ERR_RET_VAL( rval, "Failed to read", 0 );

    moab::Tag fixed_tag;
    rval = mb->tag_get_handle( "fixed", fixed_tag );MB_CHK_SET_ERR_RET_VAL( rval, "Failed to create fixed tag", 0 );

    moab::EntityHandle root_set = 0;
    MsqError err;
    Mesh* result = new MBMesquite::MsqMOAB( mb, root_set, moab::MBHEX, err, &fixed_tag );
    if( MSQ_CHKERR( err ) )
    {
        delete result;
        cerr << err << endl;
        return 0;
    }

#endif

    return result;
}
Mesh * get_native_mesh ( const char *  file_name)

Definition at line 335 of file test/mesquite/imesh/main.cpp.

References mesh, and MBMesquite::MeshImpl::read_vtk().

Referenced by main().

{
    MsqError err;
    MeshImpl* mesh = new MeshImpl;
    if( !mesh )
    {
        cerr << "Failed during MeshImpl construction.\n";
        exit( 2 );
    }
    mesh->read_vtk( file_name, err );
    if( err )
    {
        cerr << err << endl;
        exit( 3 );
    }

    return mesh;
}
int main ( int  argc,
char *  argv[] 
)

Definition at line 103 of file test/mesquite/imesh/main.cpp.

References default_file_name, get_imesh_mesh(), get_native_mesh(), mesh, run_global_smoother(), run_local_smoother(), usage, and MBMesquite::MeshWriter::write_vtk().

{
    MBMesquite::MsqPrintError err( cout );

    // command line arguments
    const char* file_name = 0;
    bool use_native = false, opts_done = false;
    for( int arg = 1; arg < argc; ++arg )
    {
        if( !opts_done && argv[arg][0] == '-' )
        {
            if( !strcmp( argv[arg], "-N" ) )
                use_native = true;
            else if( !strcmp( argv[arg], "--" ) )
                opts_done = true;
            else
                usage();
        }
        else if( !file_name )
            file_name = argv[arg];
        else
            usage();
    }
    if( !file_name )
    {
        file_name = default_file_name.c_str();
        cout << "No file specified: using default: " << default_file_name << endl;
    }

    // Try running a global smoother on the mesh
    Mesh* mesh = use_native ? get_native_mesh( file_name ) : get_imesh_mesh( file_name );
    if( !mesh )
    {
        std::cerr << "Failed to load input file.  Aborting." << std::endl;
        return 1;
    }

    MeshWriter::write_vtk( mesh, "original.vtk", err );
    if( err ) return 1;
    cout << "Wrote \"original.vtk\"" << endl;
    run_global_smoother( mesh, err );
    if( err ) return 1;

    // Try running a local smoother on the mesh
    mesh = use_native ? get_native_mesh( file_name ) : get_imesh_mesh( file_name );
    if( !mesh )
    {
        std::cerr << "Failed to load input file.  Aborting." << std::endl;
        return 1;
    }

    run_local_smoother( mesh, err );
    if( err ) return 1;

    return 0;
}
int run_global_smoother ( Mesh mesh,
MsqError err 
)

Definition at line 160 of file test/mesquite/imesh/main.cpp.

References MBMesquite::TerminationCriterion::add_absolute_vertex_movement(), MBMesquite::TerminationCriterion::add_iteration_limit(), MBMesquite::InstructionQueue::add_quality_assessor(), MBMesquite::IQInterface::run_instructions(), MBMesquite::AveragingQM::set_averaging_method(), MBMesquite::QualityImprover::set_inner_termination_criterion(), MBMesquite::InstructionQueue::set_master_quality_improver(), MBMesquite::QualityImprover::set_outer_termination_criterion(), MBMesquite::QualityMetric::SUM, MBMesquite::PatchSetUser::use_global_patch(), and MBMesquite::MeshWriter::write_vtk().

Referenced by main().

{
    double OF_value = 0.0001;

    // creates an intruction queue
    InstructionQueue queue1;

    // creates a mean ratio quality metric ...
    IdealWeightInverseMeanRatio* mean_ratio = new IdealWeightInverseMeanRatio( err );
    if( err ) return 1;
    mean_ratio->set_averaging_method( QualityMetric::SUM, err );
    if( err ) return 1;

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

    // creates the feas newt optimization procedures
    FeasibleNewton* pass1 = new FeasibleNewton( obj_func );
    pass1->use_global_patch();
    if( err ) return 1;

    QualityAssessor stop_qa( mean_ratio );

    // **************Set stopping criterion****************
    TerminationCriterion tc_inner;
    tc_inner.add_absolute_vertex_movement( OF_value );
    if( err ) return 1;
    TerminationCriterion tc_outer;
    tc_outer.add_iteration_limit( 1 );
    pass1->set_inner_termination_criterion( &tc_inner );
    pass1->set_outer_termination_criterion( &tc_outer );

    queue1.add_quality_assessor( &stop_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( &stop_qa, err );
    if( err ) return 1;

    // launches optimization on mesh_set
    queue1.run_instructions( mesh, err );
    if( err ) return 1;

    MeshWriter::write_vtk( mesh, "feasible-newton-result.vtk", err );
    if( err ) return 1;
    cout << "Wrote \"feasible-newton-result.vtk\"" << endl;

    // print_timing_diagnostics( cout );
    return 0;
}
int run_local_smoother ( Mesh mesh,
MsqError err 
)

Definition at line 215 of file test/mesquite/imesh/main.cpp.

References MBMesquite::TerminationCriterion::add_absolute_vertex_movement(), MBMesquite::TerminationCriterion::add_iteration_limit(), MBMesquite::InstructionQueue::add_quality_assessor(), MBMesquite::IQInterface::run_instructions(), MBMesquite::AveragingQM::set_averaging_method(), MBMesquite::QualityImprover::set_inner_termination_criterion(), MBMesquite::InstructionQueue::set_master_quality_improver(), MBMesquite::QualityImprover::set_outer_termination_criterion(), MBMesquite::QualityMetric::SUM, and MBMesquite::MeshWriter::write_vtk().

Referenced by main().

{
    double OF_value = 0.0001;

    // creates an intruction queue
    InstructionQueue queue1;

    // creates a mean ratio quality metric ...
    IdealWeightInverseMeanRatio* mean_ratio = new IdealWeightInverseMeanRatio( err );
    if( err ) return 1;
    mean_ratio->set_averaging_method( QualityMetric::SUM, err );
    if( err ) return 1;

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

    // creates the smart laplacian optimization procedures
    SmartLaplacianSmoother* pass1 = new SmartLaplacianSmoother( obj_func );

    QualityAssessor stop_qa( mean_ratio );

    // **************Set stopping criterion****************
    TerminationCriterion tc_inner;
    tc_inner.add_absolute_vertex_movement( OF_value );
    TerminationCriterion tc_outer;
    tc_outer.add_iteration_limit( 1 );
    pass1->set_inner_termination_criterion( &tc_inner );
    pass1->set_outer_termination_criterion( &tc_outer );

    queue1.add_quality_assessor( &stop_qa, err );
    if( err ) return 1;

    // adds 1 pass of pass1 to mesh_set
    queue1.set_master_quality_improver( pass1, err );
    if( err ) return 1;

    queue1.add_quality_assessor( &stop_qa, err );
    if( err ) return 1;

    // launches optimization on mesh_set
    queue1.run_instructions( mesh, err );
    if( err ) return 1;

    MeshWriter::write_vtk( mesh, "smart-laplacian-result.vtk", err );
    if( err ) return 1;
    cout << "Wrote \"smart-laplacian-result.vtk\"" << endl;

    // print_timing_diagnostics( cout );
    return 0;
}
void usage ( )

Definition at line 83 of file test/mesquite/imesh/main.cpp.

References default_file_name.

{
    cout << "main [-N] [filename]" << endl;
    cout << "  -N : Use native representation instead of TSTT implementation\n";
    cout << "  If no file name is specified, will use \"" << default_file_name << '"' << endl;
    exit( 1 );
}

Variable Documentation

std::string default_file_name = "/3D/vtk/large_box_hex_1000.vtk"

Definition at line 81 of file test/mesquite/imesh/main.cpp.

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