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431 | /* *****************************************************************
MESQUITE -- The Mesh Quality Improvement Toolkit
Copyright 2004 Sandia Corporation and Argonne National
Laboratory. Under the terms of Contract DE-AC04-94AL85000
with Sandia Corporation, the U.S. Government retains certain
rights in this software.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
(lgpl.txt) along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
[email protected], [email protected], [email protected],
[email protected], [email protected], [email protected]
***************************************************************** */
// -*- Mode : c++; tab-width: 2; c-tab-always-indent: t; indent-tabs-mode: nil; c-basic-offset: 2
// -*-
//
// SUMMARY:
// USAGE:
//
// AUTHOR: Michael Brewer
// ORG: Sandia National Labs
// E-MAIL: [email protected]
//
// ORIG-DATE: Jan. 29, 2003
// LAST-MOD: 25-Feb-04 at 10:49:32 by Thomas Leurent
//
// DESCRIPTION:
// ============
/*! \file PlanarGeometryTest.cpp
Regression testing using the planar geometry capabilities in
SimplifiedGeometryEngine.
*/
// DESCRIP-END.
//
#include "meshfiles.h"
#include "PatchDataInstances.hpp"
#include "cppunit/extensions/HelperMacros.h"
#include <cmath>
#include "Mesquite.hpp"
#include "MsqError.hpp"
#include "InstructionQueue.hpp"
#include "PatchData.hpp"
//#include "StoppingCriterion.hpp"
#include "QualityAssessor.hpp"
#include "ConditionNumberQualityMetric.hpp"
#include "LPtoPTemplate.hpp"
#include "EdgeLengthQualityMetric.hpp"
#include "LaplacianSmoother.hpp"
#include "LInfTemplate.hpp"
#include "SteepestDescent.hpp"
#include "ConjugateGradient.hpp"
#include "AspectRatioGammaQualityMetric.hpp"
#include "UntangleBetaQualityMetric.hpp"
#include "MultiplyQualityMetric.hpp"
#include "PlanarDomain.hpp"
#include "MsqFPE.hpp"
#include "UnitUtil.hpp"
#include "MeshImpl.hpp"
#include <iostream>
using std::cout;
using std::endl;
using namespace MBMesquite;
class PlanarGeometryTest : public CppUnit::TestFixture
{
private:
CPPUNIT_TEST_SUITE( PlanarGeometryTest );
// run steepest descent on the tangled_tri.vtk mesh
CPPUNIT_TEST( test_plane_tri_tangled );
// run cg on tangled_quad.vtk mesh
CPPUNIT_TEST( test_plane_quad_tangled );
// run cg with asm metric on tri mesh in y=-5 plane
CPPUNIT_TEST( test_plane_tri_xz );
// test fit plane
CPPUNIT_TEST( test_fit_plane );
CPPUNIT_TEST_SUITE_END();
private:
double qualTol; // double used for double comparisons
int pF; // PRINT_FLAG
public:
void setUp()
{
// pF=1;//PRINT_FLAG IS ON
pF = 0; // PRINT_FLAG IS OFF
// tolerance double
qualTol = MSQ_MIN;
}
void tearDown() {}
public:
PlanarGeometryTest() {}<--- Member variable 'PlanarGeometryTest::qualTol' is not initialized in the constructor.<--- Member variable 'PlanarGeometryTest::pF' is not initialized in the constructor.
void test_plane_tri_tangled()
{
MBMesquite::MsqPrintError err( cout );
MBMesquite::MeshImpl mesh;
// This test doesn't use InstructionQueue, so
// we need to set up trapping of floating-point
// exceptions ourself.
MsqFPE fpe_trap( true );
mesh.read_vtk( MESH_FILES_DIR "2D/vtk/tris/tangled/tangled_tri.vtk", err );
CPPUNIT_ASSERT( !err );
// create geometry: plane z=5, normal (0,0,1)
Vector3D pnt( 0, 0, 5 );
Vector3D s_norm( 0, 0, 1 );
MBMesquite::PlanarDomain msq_geom( s_norm, pnt );
// creates an intruction queue
InstructionQueue queue1, queue2;
// creates a mean ratio quality metric ...
ConditionNumberQualityMetric shape;
UntangleBetaQualityMetric untan( .1 );
// ... and builds an objective function with it (untangle)
LInfTemplate untan_func( &untan );
LPtoPTemplate shape_func( &shape, 2, err );
// Make sure no errors
CPPUNIT_ASSERT( !err );
// creates the steepest descent optimization procedures
SteepestDescent pass1( &untan_func );
SteepestDescent pass2( &shape_func );
pass1.use_element_on_vertex_patch();
pass2.use_global_patch();
// Make sure no errors
CPPUNIT_ASSERT( !err );
QualityAssessor stop_qa = QualityAssessor( &untan );
QualityAssessor qa = QualityAssessor( &shape );
if( pF == 0 )
{
stop_qa.disable_printing_results();
qa.disable_printing_results();
}
//**********Set stopping criterion untangle ver small ********
// StoppingCriterion sc_qa(&stop_qa,-100,MSQ_MIN);
// pass1->set_stopping_criterion(&sc_qa);
TerminationCriterion sc_of, sc_inner;
sc_of.add_iteration_limit( 10 );
pass1.set_outer_termination_criterion( &sc_of );
sc_inner.add_iteration_limit( 6 );
// sc_inner.add_absolute_gradient_L2_norm( 0.01 );
pass1.set_inner_termination_criterion( &sc_inner );
//**********Set stopping criterion 5 iterates ****************
// StoppingCriterion sc5(StoppingCriterion::NUMBER_OF_PASSES,5);
// pass2->set_stopping_criterion(&sc5);
TerminationCriterion sc5;
sc5.add_iteration_limit( 5 );
pass2.set_inner_termination_criterion( &sc5 );
// TerminationCriterion sc_inner;
// sc_inner.add_iteration_limit( 5 );
// pass2->set_inner_termination_criterion(&sc_inner);
// pass2->set_maximum_iteration(5);
queue1.set_master_quality_improver( &pass1, err );
CPPUNIT_ASSERT( !err );
queue2.set_master_quality_improver( &pass2, err );
CPPUNIT_ASSERT( !err );
//********************UNTANGLE*******************************
// Make sure no errors
CPPUNIT_ASSERT( !err );
// launches optimization on mesh_set1
MeshDomainAssoc mesh_and_domain = MeshDomainAssoc( &mesh, &msq_geom );
double orig_qa_val = stop_qa.loop_over_mesh( &mesh_and_domain, 0, err );
// Make sure no errors
CPPUNIT_ASSERT( !err );
queue1.run_instructions( &mesh_and_domain, err );
CPPUNIT_ASSERT( !err );
// Make sure no errors
CPPUNIT_ASSERT( !err );
double fin_qa_val = stop_qa.loop_over_mesh( &mesh_and_domain, 0, err );
// Make sure no errors
CPPUNIT_ASSERT( !err );
// make sure 'quality' improved
CPPUNIT_ASSERT( ( fin_qa_val - orig_qa_val ) <= 0.0 );
// make sure sc_qa really was satisfied
CPPUNIT_ASSERT( fin_qa_val <= MSQ_MIN );
//********************SMOOTH*******************************
// Make sure no errors
CPPUNIT_ASSERT( !err );
// launches optimization on mesh_set1
orig_qa_val = qa.loop_over_mesh( &mesh_and_domain, 0, err );
// Make sure no errors
CPPUNIT_ASSERT( !err );
queue2.run_instructions( &mesh_and_domain, err );
CPPUNIT_ASSERT( !err );
// Make sure no errors
CPPUNIT_ASSERT( !err );
fin_qa_val = qa.loop_over_mesh( &mesh_and_domain, 0, err );
// Make sure no errors
CPPUNIT_ASSERT( !err );
// make sure 'quality' improved
CPPUNIT_ASSERT( ( fin_qa_val - orig_qa_val ) <= 0.0 );
print_timing_diagnostics( cout );
}
void test_plane_quad_tangled()
{
MBMesquite::MeshImpl mesh;
MsqPrintError err( cout );
mesh.read_vtk( MESH_FILES_DIR "2D/vtk/quads/tangled/tangled_quad.vtk", err );
CPPUNIT_ASSERT( !err );
// create geometry: plane z=5, normal (0,0,1)
Vector3D pnt( 0, 0, 5 );
Vector3D s_norm( 0, 0, 1 );
MBMesquite::PlanarDomain msq_geom( s_norm, pnt );
// creates an intruction queue
InstructionQueue queue1, queue2;
// creates a mean ratio quality metric ...
ConditionNumberQualityMetric shape;
UntangleBetaQualityMetric untan( .1 );
// ... and builds an objective function with it (untangle)
LInfTemplate untan_func( &untan );
LPtoPTemplate shape_func( &shape, 2, err );
// Make sure no errors
CPPUNIT_ASSERT( !err );
// creates the cg optimization procedures
ConjugateGradient pass1( &untan_func, err );
ConjugateGradient pass2( &shape_func, err );
pass1.use_element_on_vertex_patch();
pass2.use_global_patch();
// Make sure no errors
CPPUNIT_ASSERT( !err );
QualityAssessor stop_qa = QualityAssessor( &untan );
QualityAssessor qa = QualityAssessor( &shape );
// turn off printing if print flag not set.
if( pF == 0 )
{
stop_qa.disable_printing_results();
qa.disable_printing_results();
}
//**********Set stopping criterion untangle ver small ********
// StoppingCriterion sc_qa(&stop_qa,-100,MSQ_MIN);
// pass1->set_stopping_criterion(&sc_qa);
TerminationCriterion sc_of;
sc_of.add_iteration_limit( 10 );
pass1.set_outer_termination_criterion( &sc_of );
//**********Set stopping criterion 5 iterates ****************
// StoppingCriterion sc5(StoppingCriterion::NUMBER_OF_PASSES,5);
// pass2->set_stopping_criterion(&sc5);
TerminationCriterion sc5;
sc5.add_iteration_limit( 5 );
pass2.set_inner_termination_criterion( &sc5 );
// pass2->set_maximum_iteration(5);
// TerminationCriterion sc_inner;
// sc_inner.add_iteration_limit( 5 );
// pass2->set_inner_termination_criterion(&sc_inner);
queue1.set_master_quality_improver( &pass1, err );
CPPUNIT_ASSERT( !err );
queue2.set_master_quality_improver( &pass2, err );
CPPUNIT_ASSERT( !err );
//********************UNTANGLE*******************************
// Make sure no errors
CPPUNIT_ASSERT( !err );
// launches optimization on mesh_set1
MeshDomainAssoc mesh_and_domain = MeshDomainAssoc( &mesh, &msq_geom );
double orig_qa_val = stop_qa.loop_over_mesh( &mesh_and_domain, 0, err );
// Make sure no errors
CPPUNIT_ASSERT( !err );
queue1.run_instructions( &mesh_and_domain, err );
CPPUNIT_ASSERT( !err );
// Make sure no errors
CPPUNIT_ASSERT( !err );
double fin_qa_val = stop_qa.loop_over_mesh( &mesh_and_domain, 0, err );
// Make sure no errors
CPPUNIT_ASSERT( !err );
// make sure 'quality' improved
CPPUNIT_ASSERT( ( fin_qa_val - orig_qa_val ) <= 0.0 );
// make sure sc_qa really was satisfied
CPPUNIT_ASSERT( fin_qa_val <= MSQ_MIN );
//********************SMOOTH*******************************
// Make sure no errors
CPPUNIT_ASSERT( !err );
// launches optimization on mesh_set1
orig_qa_val = qa.loop_over_mesh( &mesh_and_domain, 0, err );
// Make sure no errors
CPPUNIT_ASSERT( !err );
queue2.run_instructions( &mesh_and_domain, err );
CPPUNIT_ASSERT( !err );
// Make sure no errors
CPPUNIT_ASSERT( !err );
fin_qa_val = qa.loop_over_mesh( &mesh_and_domain, 0, err );
// Make sure no errors
CPPUNIT_ASSERT( !err );
// make sure 'quality' improved
CPPUNIT_ASSERT( ( fin_qa_val - orig_qa_val ) <= 0.0 );
print_timing_diagnostics( cout );
}
void test_plane_tri_xz()
{
MsqPrintError err( cout );
MBMesquite::MeshImpl mesh;
mesh.read_vtk( MESH_FILES_DIR "2D/vtk/tris/untangled/tri_5_xz.vtk", err );
CPPUNIT_ASSERT( !err );
// create geometry: plane y=5, normal (0,1,0)
Vector3D pnt( 0, -5, 0 );
Vector3D s_norm( 0, -1, 0 );
MBMesquite::PlanarDomain msq_geom( s_norm, pnt );
// creates an intruction queue
InstructionQueue queue1;
// creates a asm quality metric ...
ConditionNumberQualityMetric smooth;
// ... and builds an objective function with it (untangle)
LPtoPTemplate smooth_func( &smooth, 1, err );
// Make sure no errors
CPPUNIT_ASSERT( !err );
// creates the cg optimization procedures
ConjugateGradient pass1( &smooth_func, err );
// pass1->set_patch_type(PatchData::ELEMENTS_ON_VERTEX_PATCH, err,1 ,1);
pass1.use_global_patch();
pass1.set_debugging_level( 1 );
// Make sure no errors
CPPUNIT_ASSERT( !err );
QualityAssessor qa = QualityAssessor( &smooth );
//**********Set stopping criterion 5 iterates ****************
TerminationCriterion sc5;
sc5.add_iteration_limit( 5 );
pass1.set_inner_termination_criterion( &sc5 );
// StoppingCriterion sc5(StoppingCriterion::NUMBER_OF_PASSES,5);
// pass1->set_stopping_criterion(&sc5);
TerminationCriterion sc_inner;
sc_inner.add_iteration_limit( 5 );
pass1.set_inner_termination_criterion( &sc_inner );
// pass1->set_maximum_iteration(5);
queue1.set_master_quality_improver( &pass1, err );
CPPUNIT_ASSERT( !err );
//********************UNTANGLE*******************************
// Make sure no errors
CPPUNIT_ASSERT( !err );
// launches optimization on mesh_set1
MeshDomainAssoc mesh_and_domain = MeshDomainAssoc( &mesh, &msq_geom );
double orig_qa_val = qa.loop_over_mesh( &mesh_and_domain, 0, err );
// Make sure no errors
CPPUNIT_ASSERT( !err );
queue1.run_instructions( &mesh_and_domain, err );
CPPUNIT_ASSERT( !err );
// Make sure no errors
CPPUNIT_ASSERT( !err );
double fin_qa_val = qa.loop_over_mesh( &mesh_and_domain, 0, err );
// Make sure no errors
CPPUNIT_ASSERT( !err );
// make sure 'quality' improved
CPPUNIT_ASSERT( ( fin_qa_val - orig_qa_val ) <= 0.0 );
print_timing_diagnostics( cout );
}
void test_fit_plane();
};
CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( PlanarGeometryTest, "PlanarGeometryTest" );
CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( PlanarGeometryTest, "Regression" );
void PlanarGeometryTest::test_fit_plane()
{
MsqPrintError err( std::cerr );
PlanarDomain plane( PlanarDomain::XY, -1 );
const double epsilon = 1e-8;
MeshImpl mesh1;
mesh1.read_vtk( MESH_FILES_DIR "2D/vtk/tris/untangled/bad_circle_tri.vtk", err );
ASSERT_NO_ERROR( err );
plane.fit_vertices( &mesh1, err, epsilon );
ASSERT_NO_ERROR( err );
CPPUNIT_ASSERT_VECTORS_EQUAL( Vector3D( 0, 0, 1 ), plane.get_normal(), epsilon );
CPPUNIT_ASSERT_DOUBLES_EQUAL( 5, plane.get_coeff(), epsilon );
MeshImpl mesh2;
mesh2.read_vtk( MESH_FILES_DIR "2D/vtk/tris/untangled/equil_tri.vtk", err );
ASSERT_NO_ERROR( err );
plane.fit_vertices( &mesh2, err, epsilon );
ASSERT_NO_ERROR( err );
CPPUNIT_ASSERT_VECTORS_EQUAL( Vector3D( 0, 0, 1 ), plane.get_normal(), epsilon );
CPPUNIT_ASSERT_DOUBLES_EQUAL( 0, plane.get_coeff(), epsilon );
MeshImpl mesh3;
mesh3.read_vtk( MESH_FILES_DIR "2D/vtk/quads/untangled/quads_4by2.vtk", err );
ASSERT_NO_ERROR( err );
plane.fit_vertices( &mesh3, err, epsilon );
ASSERT_NO_ERROR( err );
CPPUNIT_ASSERT_VECTORS_EQUAL( Vector3D( 0, 0, 1 ), plane.get_normal(), epsilon );
CPPUNIT_ASSERT_DOUBLES_EQUAL( -2, plane.get_coeff(), epsilon );
MeshImpl mesh4;
mesh4.read_vtk( MESH_FILES_DIR "2D/vtk/tris/untangled/tri_5_xz.vtk", err );
ASSERT_NO_ERROR( err );
plane.fit_vertices( &mesh4, err, epsilon );
ASSERT_NO_ERROR( err );
CPPUNIT_ASSERT_VECTORS_EQUAL( Vector3D( 0, -1, 0 ), plane.get_normal(), epsilon );
CPPUNIT_ASSERT_DOUBLES_EQUAL( -5, plane.get_coeff(), epsilon );
}
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