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357 | /* *****************************************************************
MESQUITE -- The Mesh Quality Improvement Toolkit
Copyright 2006 Sandia National Laboratories. Developed at the
University of Wisconsin--Madison under SNL contract number
624796. The U.S. Government and the University of Wisconsin
retian certain rights to 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
(2006) [email protected]
***************************************************************** */
/** \file TargetReadWriteTest.cpp
* \brief
* \author Jason Kraftcheck
*/
#include "Mesquite.hpp"
#include "TargetWriter.hpp"
#include "TargetReader.hpp"
#include "WeightReader.hpp"
#include "MeshImpl.hpp"
#include "PatchData.hpp"
#include "Settings.hpp"
#include "ElemSampleQM.hpp"
#include "cppunit/extensions/HelperMacros.h"
#include "UnitUtil.hpp"
#include <iostream>
using namespace MBMesquite;
class TargetReadWriteTest : public CppUnit::TestFixture
{
private:
CPPUNIT_TEST_SUITE( TargetReadWriteTest );
CPPUNIT_TEST( read_write_3D_targets );
CPPUNIT_TEST( read_write_2D_targets );
CPPUNIT_TEST( read_write_surface_targets );
CPPUNIT_TEST( read_write_weights );
CPPUNIT_TEST_SUITE_END();
MeshImpl myMesh; // mesh data
PatchData myPatch; // global patch for mesh data
Settings linearMaps;
public:
void setUp();
void tearDown();
void read_write_3D_targets();
void read_write_2D_targets();
void read_write_surface_targets();
void read_write_weights();
};
CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( TargetReadWriteTest, "TargetReadWriteTest" );
CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( TargetReadWriteTest, "Unit" );
static const char vtk_file_data[] = "# vtk DataFile Version 2.0\n"
"Mesquite Mesh\n"
"ASCII\n"
"DATASET UNSTRUCTURED_GRID\n"
"POINTS 11 float\n"
"-1 -1 -1\n"
" 1 -1 -1\n"
" 1 1 -1\n"
"-1 1 -1\n"
"-1 -1 1\n"
" 1 -1 1\n"
" 1 1 1\n"
"-1 1 1\n"
" 0 0 2\n"
"-2 0 2\n"
"-2 0 -1\n"
"CELLS 6 36\n"
"3 0 1 10\n"
"4 0 1 2 3\n"
"4 4 5 8 9\n"
"5 4 5 6 7 8\n"
"6 4 5 9 1 0 10\n"
"8 0 1 2 3 4 5 6 7\n"
"CELL_TYPES 6\n"
"5 9 10 14 13 12\n"
"\n";
void TargetReadWriteTest::setUp()
{
// create input file
const char filename[] = "target_reader_test.vtk";
FILE* file = fopen( filename, "w" );
CPPUNIT_ASSERT( file );
int rval = fputs( vtk_file_data, file );
fclose( file );
CPPUNIT_ASSERT( rval != EOF );
// read input file
MsqError err;
myMesh.read_vtk( filename, err );
remove( filename );
if( err ) std::cout << err << std::endl;
CPPUNIT_ASSERT( !err );
// Construct global patch
std::vector< Mesh::ElementHandle > elems;
std::vector< Mesh::VertexHandle > verts;
myMesh.get_all_elements( elems, err );
CPPUNIT_ASSERT( !err );
myMesh.get_all_vertices( verts, err );
CPPUNIT_ASSERT( !err );
myPatch.set_mesh( &myMesh );
myPatch.attach_settings( &linearMaps );
myPatch.set_mesh_entities( elems, verts, err );
CPPUNIT_ASSERT( !err );
}
void TargetReadWriteTest::tearDown()
{
myMesh.clear();
}
class FakeTargetCalc : public TargetCalculator, public WeightCalculator
{
bool surfOrient;
public:
FakeTargetCalc( bool surface_orient = true ) : surfOrient( surface_orient ) {}
~FakeTargetCalc() {}
bool get_3D_target( PatchData& pd, size_t element, Sample sample, MsqMatrix< 3, 3 >& W_out, MsqError& err );
bool get_2D_target( PatchData& pd, size_t element, Sample sample, MsqMatrix< 2, 2 >& W_out, MsqError& err );
bool get_surface_target( PatchData& pd, size_t element, Sample sample, MsqMatrix< 3, 2 >& W_out, MsqError& err );
double get_weight( PatchData& pd, size_t element, Sample sample, MsqError& err );
bool have_surface_orient() const
{
return surfOrient;
}
unsigned long make_value( Mesh::ElementHandle elem, Sample sample, unsigned idx );
};
bool FakeTargetCalc::get_3D_target( PatchData& pd, size_t elem, Sample sample, MsqMatrix< 3, 3 >& W_out, MsqError& )<--- Parameter 'W_out' can be declared with const
{
CPPUNIT_ASSERT_EQUAL( 3u, TopologyInfo::dimension( pd.element_by_index( elem ).get_element_type() ) );
unsigned i, j;
for( i = 0; i < 3; ++i )
{
for( j = 0; j < i; ++j )
W_out( i, j ) = 0.0;
for( j = i; j < 3; ++j )
W_out( i, j ) = make_value( pd.get_element_handles_array()[elem], sample, 3 * i + j + 1 );
}
return true;
}
bool FakeTargetCalc::get_surface_target( PatchData& pd,
size_t elem,
Sample sample,
MsqMatrix< 3, 2 >& W_out,<--- Parameter 'W_out' can be declared with const
MsqError& )
{
CPPUNIT_ASSERT_EQUAL( 2u, TopologyInfo::dimension( pd.element_by_index( elem ).get_element_type() ) );
for( unsigned i = 0; i < 3; ++i )
for( unsigned j = 0; j < 2; ++j )
W_out( i, j ) = make_value( pd.get_element_handles_array()[elem], sample, 2 * i + j );
return true;
}
bool FakeTargetCalc::get_2D_target( PatchData& pd, size_t elem, Sample sample, MsqMatrix< 2, 2 >& W_out, MsqError& )<--- Parameter 'W_out' can be declared with const
{
CPPUNIT_ASSERT_EQUAL( 2u, TopologyInfo::dimension( pd.element_by_index( elem ).get_element_type() ) );
for( unsigned i = 0; i < 2; ++i )
for( unsigned j = 0; j < 2; ++j )
W_out( i, j ) = make_value( pd.get_element_handles_array()[elem], sample, ( 2 - i ) * ( 2 - j ) );
return true;
}
double FakeTargetCalc::get_weight( PatchData& pd, size_t elem, Sample sample, MsqError& )
{
return make_value( pd.get_element_handles_array()[elem], sample, 0 );
}
unsigned long FakeTargetCalc::make_value( Mesh::ElementHandle elem, Sample sample, unsigned idx )
{
const unsigned index_bits = 4;
CPPUNIT_ASSERT( idx < ( 1 << index_bits ) );
unsigned long result = (unsigned long)elem;
result = ( result << Sample::SIDE_DIMENSION_BITS ) | sample.dimension;
result = ( result << Sample::SIDE_NUMBER_BITS ) | sample.number;
result = ( result << index_bits ) | idx;
return result;
}
void TargetReadWriteTest::read_write_3D_targets()
{
const bool oriented = true; // doesn't matter which value for 3D
MsqPrintError err( std::cout );
FakeTargetCalc tc( oriented );
// Write the targets
TargetWriter writer( &tc );
MeshDomainAssoc mesh_and_domain = MeshDomainAssoc( &myMesh, 0 );
writer.loop_over_mesh( &mesh_and_domain, &linearMaps, err );
CPPUNIT_ASSERT( !err );
// Compare all target matrices
bool checked_something = false; // make sure mesh actually contains volume elements
TargetReader reader( oriented );
for( size_t i = 0; i < myPatch.num_elements(); ++i )
{
const unsigned d = TopologyInfo::dimension( myPatch.element_by_index( i ).get_element_type() );
if( d != 3 ) continue;
checked_something = true;
std::vector< Sample > samples;
myPatch.get_samples( i, samples, err );
ASSERT_NO_ERROR( err );
for( size_t j = 0; j < samples.size(); ++j )
{
MsqMatrix< 3, 3 > expected, read;
tc.get_3D_target( myPatch, i, samples[j], expected, err );
CPPUNIT_ASSERT( !err );
reader.get_3D_target( myPatch, i, samples[j], read, err );
CPPUNIT_ASSERT( !err );
ASSERT_MATRICES_EQUAL( expected, read, 1e-12 );
}
}
CPPUNIT_ASSERT( checked_something );
}
void TargetReadWriteTest::read_write_surface_targets()
{
const bool oriented = true;
MsqPrintError err( std::cout );
FakeTargetCalc tc( oriented );
// Write the targets
TargetWriter writer( &tc );
MeshDomainAssoc mesh_and_domain = MeshDomainAssoc( &myMesh, 0 );
writer.loop_over_mesh( &mesh_and_domain, &linearMaps, err );
CPPUNIT_ASSERT( !err );
// Compare all target matrices
bool checked_something = false; // make sure mesh actually contains surface elements
TargetReader reader( oriented );
for( size_t i = 0; i < myPatch.num_elements(); ++i )
{
const unsigned d = TopologyInfo::dimension( myPatch.element_by_index( i ).get_element_type() );
if( d != 2 ) continue;
checked_something = true;
std::vector< Sample > samples;
myPatch.get_samples( i, samples, err );
ASSERT_NO_ERROR( err );
for( size_t j = 0; j < samples.size(); ++j )
{
MsqMatrix< 3, 2 > expected, read;
tc.get_surface_target( myPatch, i, samples[j], expected, err );
CPPUNIT_ASSERT( !err );
reader.get_surface_target( myPatch, i, samples[j], read, err );
CPPUNIT_ASSERT( !err );
ASSERT_MATRICES_EQUAL( expected, read, 1e-6 );
}
}
CPPUNIT_ASSERT( checked_something );
}
void TargetReadWriteTest::read_write_2D_targets()
{
const bool oriented = false;
MsqPrintError err( std::cout );
FakeTargetCalc tc( oriented );
// Write the targets
TargetWriter writer( &tc );
MeshDomainAssoc mesh_and_domain = MeshDomainAssoc( &myMesh, 0 );
writer.loop_over_mesh( &mesh_and_domain, &linearMaps, err );
CPPUNIT_ASSERT( !err );
// Compare all target matrices
bool checked_something = false; // make sure mesh actually contains surface elements
TargetReader reader( oriented );
for( size_t i = 0; i < myPatch.num_elements(); ++i )
{
const unsigned d = TopologyInfo::dimension( myPatch.element_by_index( i ).get_element_type() );
if( d != 2 ) continue;
checked_something = true;
std::vector< Sample > samples;
myPatch.get_samples( i, samples, err );
ASSERT_NO_ERROR( err );
for( size_t j = 0; j < samples.size(); ++j )
{
MsqMatrix< 2, 2 > expected, read;
tc.get_2D_target( myPatch, i, samples[j], expected, err );
CPPUNIT_ASSERT( !err );
reader.get_2D_target( myPatch, i, samples[j], read, err );
CPPUNIT_ASSERT( !err );
ASSERT_MATRICES_EQUAL( expected, read, 1e-6 );
}
}
CPPUNIT_ASSERT( checked_something );
}
void TargetReadWriteTest::read_write_weights()
{
MsqPrintError err( std::cout );
FakeTargetCalc tc;
// Write the targets
TargetWriter writer( 0, &tc );
MeshDomainAssoc mesh_and_domain = MeshDomainAssoc( &myMesh, 0 );
writer.loop_over_mesh( &mesh_and_domain, &linearMaps, err );
CPPUNIT_ASSERT( !err );
// Compare all target matrices
WeightReader reader;
for( size_t i = 0; i < myPatch.num_elements(); ++i )
{
std::vector< Sample > samples;
myPatch.get_samples( i, samples, err );
ASSERT_NO_ERROR( err );
for( size_t j = 0; j < samples.size(); ++j )
{
double expected = tc.get_weight( myPatch, i, samples[j], err );
CPPUNIT_ASSERT( !err );
double read = reader.get_weight( myPatch, i, samples[j], err );
CPPUNIT_ASSERT( !err );
CPPUNIT_ASSERT_DOUBLES_EQUAL( expected, read, 1e-12 );
}
}
}
|