void test_vertices()
{
size_t nbVert = mVertices.size();
CPPUNIT_ASSERT_EQUAL(9,(int)nbVert);
Mesquite::MsqVertex correct_coords[9], coords[9];
correct_coords[0].set(1,0,0);
correct_coords[1].set(0,1.732,0);
correct_coords[2].set(-1,0,0);
correct_coords[3].set(-1,-2,0);
correct_coords[4].set(1,-2,0);
correct_coords[5].set(2.732,1,0);
correct_coords[6].set(1.732,2.732,0);
correct_coords[7].set(-1.732,2.732,0);
correct_coords[8].set(-2.732,1,0);
mMesh->vertices_get_coordinates(&mVertices[0], coords, nbVert, mErr);
CPPUNIT_ASSERT(!mErr);
for (size_t i=0; i<nbVert; ++i) {
for (int j=0; j<3; ++j)
CPPUNIT_ASSERT_DOUBLES_EQUAL(coords[i][j], correct_coords[i][j], .01);
}
coords[3].set(2.,3.,4.);
mMesh->vertex_set_coordinates(mVertices[3], coords[3], mErr);
CPPUNIT_ASSERT(!mErr);
Mesquite::MsqVertex coords_2;
mMesh->vertices_get_coordinates(&mVertices[3], &coords_2, 1, mErr);
CPPUNIT_ASSERT(!mErr);
for (int j=0; j<3; ++j)
CPPUNIT_ASSERT_DOUBLES_EQUAL(coords[3][j], coords_2[j], 1e-6);
}
/* Automatically called by CppUnit before each test function. */
void setUp()
{
// Read a VTK file -- 1 triangle flanked by 1 quad on each side (1 tri + 3 quads)
mMesh = new Mesquite::MeshImpl;
mMesh->read_vtk(MESH_FILES_DIR "2D/VTK/hybrid_3quad_1tri.vtk", mErr);
CPPUNIT_ASSERT(!mErr);
// Get mesh data
mMesh->get_all_elements( mElements, mErr );
CPPUNIT_ASSERT(!mErr);
mMesh->elements_get_attached_vertices( &mElements[0],
mElements.size(),
mConnectivity,
mOffsets,
mErr );
CPPUNIT_ASSERT(!mErr);
// Construct list of vertices w/out duplicates from
// connectivity list.
std::vector<Mesquite::Mesh::VertexHandle>::iterator new_end;
mVertices = mConnectivity;
std::sort( mVertices.begin(), mVertices.end() );
new_end = std::unique( mVertices.begin(), mVertices.end() );
mVertices.resize( new_end - mVertices.begin() );
}
void test_vertex_byte()
{
size_t nbVert = mVertices.size();
size_t i;
unsigned char* bytes = new unsigned char[nbVert];
mMesh->vertices_get_byte(&mVertices[0], bytes, nbVert, mErr);
CPPUNIT_ASSERT(!mErr);
// Asserts all vertex bytes are initialised to 0.
for (i=0; i<nbVert; ++i)
CPPUNIT_ASSERT(bytes[i] == 0);
// Test various vertex byte read / write routines.
bytes[3] |= 4;
mMesh->vertices_set_byte(&mVertices[0], bytes, nbVert, mErr);
CPPUNIT_ASSERT(!mErr);
mMesh->vertex_set_byte(mVertices[5], 8, mErr);
CPPUNIT_ASSERT(!mErr);
unsigned char byte;
mMesh->vertex_get_byte(mVertices[3], &byte, mErr);
CPPUNIT_ASSERT(!mErr);
CPPUNIT_ASSERT(byte == 4);
mMesh->vertices_get_byte(&mVertices[0], bytes, nbVert, mErr);
CPPUNIT_ASSERT(!mErr);
for (i=0; i<nbVert; ++i) {
if (i==3)
CPPUNIT_ASSERT(bytes[i] == 4);
else if (i==5)
CPPUNIT_ASSERT(bytes[i] == 8);
else
CPPUNIT_ASSERT(bytes[i] == 0);
}
delete [] bytes;
}
void test_plane_tri_xz()
{
MsqPrintError err(cout);
Mesquite::MeshImpl mesh;
mesh.read_vtk(MESH_FILES_DIR "2D/VTK/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);
Mesquite::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
double orig_qa_val=qa.loop_over_mesh(&mesh, &msq_geom, 0, err);
//Make sure no errors
CPPUNIT_ASSERT(!err);
queue1.run_instructions(&mesh, &msq_geom, err); CPPUNIT_ASSERT(!err);
//Make sure no errors
CPPUNIT_ASSERT(!err);
double fin_qa_val=qa.loop_over_mesh(&mesh, &msq_geom, 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);
}
int main()
{
Mesquite::MeshImpl mesh;
MsqPrintError err(cout);
mesh.read_vtk(MESH_FILES_DIR "2D/vtk/quads/untangled/square_quad_2.vtk", err);
if (err) return 1;
//create geometry: plane z=0, normal (0,0,1)
Vector3D pnt(0,0,5);
Vector3D s_norm(0,0,1);
Mesquite::PlanarDomain msq_geom(s_norm, pnt);
// creates an intruction queue
LaplaceWrapper laplacian_smoother;
mesh.write_vtk("original_mesh.vtk", err);
if (err) return 1;
// launches optimization on mesh_set1
MeshDomainAssoc mesh_and_domain = MeshDomainAssoc(&mesh, &msq_geom);
laplacian_smoother.run_instructions(&mesh_and_domain, err);
if (err) return 1;
mesh.write_vtk("smoothed_mesh.vtk", err);
if (err) return 1;
}
void test_cg_mesh_cond_sphere()
{
Mesquite::MeshImpl mesh;
Mesquite::MsqPrintError err(cout);
mesh.read_vtk(MESH_FILES_DIR "2D/vtk/quads/untangled/quads_on_sphere_529.vtk", err);
CPPUNIT_ASSERT(!err);
//create geometry: sphere, center (2,2,0), radius 3
Vector3D center(2,2,0);
SphericalDomain msq_geom(center, 3.0);
// creates an intruction queue
InstructionQueue queue1;
// creates a mean ratio quality metric ...
ConditionNumberQualityMetric shape;
UntangleBetaQualityMetric untan;
// ... and builds an objective function with it
LPtoPTemplate obj_func(&shape, 2, err);
//Make sure no errors
CPPUNIT_ASSERT(!err);
// creates the steepest descent optimization procedures
ConjugateGradient pass1( &obj_func, err );
//SteepestDescent* pass2 = new SteepestDescent( obj_func );
pass1.use_global_patch();
//Make sure no errors
CPPUNIT_ASSERT(!err);
QualityAssessor qa=QualityAssessor( &shape );
//**********Set stopping criterion 5 iterates ****************
//StoppingCriterion sc5(StoppingCriterion::NUMBER_OF_PASSES,5);
//pass1->set_stopping_criterion(&sc5);
TerminationCriterion sc5;
sc5.add_iteration_limit( 5 );
pass1.set_inner_termination_criterion(&sc5);
//CG's debugging print, increase integer to get more print info
pass1.set_debugging_level(0);
// queue1.add_preconditioner(pass2, err); CPPUNIT_ASSERT(!err);
queue1.set_master_quality_improver(&pass1, err); CPPUNIT_ASSERT(!err);
//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 );
}
void test_lapl_geo_sphere()
{
Mesquite::MeshImpl mesh;
Mesquite::MsqPrintError err(cout);
mesh.read_vtk(MESH_FILES_DIR "2D/vtk/tris/untangled/Mesquite_geo_10242.vtk", err);
//create geometry sphere: ratius 1, centered at (0,0,0)
Vector3D center(0,0,0);
Mesquite::SphericalDomain msq_geom(center, 1.0);
// creates an intruction queue
InstructionQueue queue1;
// creates an edge length metric ...
EdgeLengthQualityMetric edg_len;
//create the laplacian smoother
LaplacianSmoother lapl;
//Make sure no errors
CPPUNIT_ASSERT(!err);
//create a quality assessor
QualityAssessor qa=QualityAssessor( &edg_len );
//*******Set stopping criterion 10 iterates ***********
//StoppingCriterion sc10(StoppingCriterion::NUMBER_OF_PASSES,10);
//lapl->set_stopping_criterion(&sc10);
TerminationCriterion sc10;
sc10.add_iteration_limit( 10 );
lapl.set_outer_termination_criterion(&sc10);
//qa, qi, qa
queue1.set_master_quality_improver(&lapl, err);
//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 );
}
void test_smart_lapl_sphere()
{
Mesquite::MeshImpl mesh;
Mesquite::MsqPrintError err(cout);
mesh.read_vtk(MESH_FILES_DIR "2D/vtk/quads/untangled/quads_on_sphere_529.vtk", err);
//create geometry sphere: ratius 1, centered at (0,0,0)
Vector3D center(2,2,0);
SphericalDomain msq_geom(center, 3.0);
// creates an intruction queue
InstructionQueue queue1;
// creates an edge length metric ...
IdealWeightInverseMeanRatio shape_metric(err);
LInfTemplate shape_func(&shape_metric);
//create the smart laplacian smoother
SmartLaplacianSmoother s_lapl(&shape_func);
//Make sure no errors
CPPUNIT_ASSERT(!err);
//*******Set stopping criterion 5 iterates ***********
TerminationCriterion sc5;
sc5.add_iteration_limit( 5 );
s_lapl.set_outer_termination_criterion(&sc5);
//qa, qi, qa
queue1.set_master_quality_improver(&s_lapl, err); CPPUNIT_ASSERT(!err);
//Make sure no errors
CPPUNIT_ASSERT(!err);
// launches optimization on mesh_set1
QualityAssessor qa=QualityAssessor( &shape_metric );
MeshDomainAssoc mesh_and_domain = MeshDomainAssoc(&mesh, &msq_geom);
double orig_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 final_val= qa.loop_over_mesh(&mesh_and_domain, 0, err);
//Make sure no errors
CPPUNIT_ASSERT(!err);
//make sure 'quality' improved
CPPUNIT_ASSERT( final_val < orig_val );
}
void test_element_get_attached_vertex_indices()
{
// Find the index of the triangle
Mesquite::EntityTopology topo=Mesquite::MIXED;
int tri_index = -1;
while (topo != Mesquite::TRIANGLE) {
++tri_index;
CPPUNIT_ASSERT((unsigned)tri_index < mElements.size());
Mesquite::Mesh::ElementHandle handle = mElements[tri_index];
mMesh->elements_get_topologies(&handle, &topo, 1, mErr);
CPPUNIT_ASSERT(!mErr);
}
// creates list with correct vertices coordinates for the triangle
std::vector<Mesquite::Vector3D> correct_coords;
correct_coords.push_back(Mesquite::Vector3D(1.,0.,0.));
correct_coords.push_back(Mesquite::Vector3D(0.,1.732050807,0.));
correct_coords.push_back(Mesquite::Vector3D(-1.,0.,0.));
// Creates same list from the mesh implementation
std::vector<Mesquite::MsqVertex> tri_coords(3);
mMesh->vertices_get_coordinates(&mConnectivity[mOffsets[tri_index]],
&tri_coords[0], 3, mErr );
CPPUNIT_ASSERT(!mErr);
// Makes sure both list contain the same elements (not necessarily in the same order).
std::vector<Mesquite::Vector3D>::iterator correct_iter;
std::vector<Mesquite::MsqVertex>::iterator tri_iter;
for (tri_iter = tri_coords.begin(); tri_iter != tri_coords.end(); ++tri_iter)
{
for (correct_iter = correct_coords.begin();
correct_iter != correct_coords.end();
++correct_iter)
{
if (Mesquite::Vector3D::distance_between(*tri_iter, *correct_iter) < 10e-4)
break;
}
// check if a match was found
CPPUNIT_ASSERT( correct_iter != correct_coords.end() );
// remove match from list
correct_coords.erase( correct_iter );
}
CPPUNIT_ASSERT(correct_coords.empty());
}
void test_vertex_is_fixed()
{
size_t nbVert = mVertices.size();
bool correct_fixed[9] = {false, false, false, true, true, true, true, true, true};
bool fixed[9];
mMesh->vertices_get_fixed_flag( &mVertices[0], fixed, 9, mErr );
CPPUNIT_ASSERT(!mErr);
for (size_t i=0; i<nbVert; ++i) {
CPPUNIT_ASSERT(fixed[i] == correct_fixed[i]);
}
}
void test_vertex_get_attached_elements()
{
size_t i;
const size_t nbVert = mVertices.size();
std::vector<Mesquite::Mesh::ElementHandle> elements;
std::vector<size_t> offsets;
mMesh->vertices_get_attached_elements( &mVertices[0],
mVertices.size(),
elements,
offsets,
mErr );
CPPUNIT_ASSERT(!mErr);
CPPUNIT_ASSERT_EQUAL(offsets.size(), mVertices.size() + 1);
// checks we have 6 vertices contained in 1 element only
// and 3 vertices contained in 3 elements.
int n1=0;
int n3=0;
for (i = 1; i <= mVertices.size(); ++i)
{
const size_t nev = offsets[i] - offsets[i-1];
if (nev==1)
++n1;
else if (nev==3)
++n3;
else // failure.
CPPUNIT_ASSERT(false);
}
CPPUNIT_ASSERT(n1==6);
CPPUNIT_ASSERT(n3==3);
// gets the index of a vertex in a corner
int one_corner_vertex_index=0;
for (i = 0; i < nbVert; ++i)
{
const size_t nev = offsets[i+1] - offsets[i];
if (1 == nev)
break;
}
CPPUNIT_ASSERT( i < nbVert );
one_corner_vertex_index = i;
// retrieve the attached element.
// This is a poor test. We allow an element handle of zero,
// and just testing that the function returned something isn't
// that useful. - J.K.
//Mesquite::Mesh::ElementHandle elem=0;
//mMesh->vertex_get_attached_elements(mVertices[one_corner_vertex_index], &elem, 1, mErr);
//CPPUNIT_ASSERT(!mErr);
//CPPUNIT_ASSERT(elem!=0);
}
void test_vertex_is_fixed()
{
size_t nbVert = mVertices.size();
bool correct_fixed[9] = {false, false, false, true, true, true, true, true, true};
std::vector<bool> fixed;
mMesh->vertices_get_fixed_flag( arrptr(mVertices), fixed, 9, mErr );
CPPUNIT_ASSERT(!mErr);
CPPUNIT_ASSERT_EQUAL( (size_t)8, fixed.size() );
for (size_t i=0; i<nbVert; ++i) {
CPPUNIT_ASSERT_EQUAL(correct_fixed[i], (bool)fixed[i]);
}
}
void test_elements_get_topology()
{
const size_t nbElem = mElements.size();
int nb_quads=0;
int nb_tri=0;
Mesquite::EntityTopology* topos = new Mesquite::EntityTopology[nbElem];
mMesh->elements_get_topologies(&mElements[0], topos, nbElem, mErr);
CPPUNIT_ASSERT(!mErr);
for (size_t i=0; i<nbElem; ++i) {
switch (topos[i]) {
case Mesquite::TRIANGLE:
++nb_tri;
break;
case Mesquite::QUADRILATERAL:
++nb_quads;
break;
default:
CPPUNIT_FAIL("Topology should be quad or Hex only.");
}
}
CPPUNIT_ASSERT_EQUAL(1,nb_tri);
CPPUNIT_ASSERT_EQUAL(3,nb_quads);
delete []topos;
}
int main()
{
MsqPrintError err(std::cout);
Mesquite::MeshImpl mesh;
mesh.read_vtk(MESH_FILES_DIR "3D/vtk/hexes/untangled/hexes_4by2by2.vtk", err);
// creates an intruction queue
InstructionQueue queue1;
// creates a mean ratio quality metric ...
IdealWeightInverseMeanRatio mean_ratio(err);
if (err) return 1;
ConditionNumberQualityMetric cond_num;
mean_ratio.set_averaging_method(QualityMetric::LINEAR);
// ... and builds an objective function with it
//LInfTemplate* obj_func = new LInfTemplate(mean_ratio);
LPtoPTemplate obj_func(&mean_ratio, 2, err);
if (err) return 1;
// creates the steepest descent optimization procedures
SteepestDescent pass1( &obj_func );
pass1.use_global_patch();
//if (err) return 1;
//pass1.set_maximum_iteration(6);
QualityAssessor stop_qa=QualityAssessor(&mean_ratio);
if (err) return 1;
stop_qa.add_quality_assessment(&cond_num);
if (err) return 1;
//**************Set stopping criterion****************
// StoppingCriterion sc1(&stop_qa,1.0,1.8);
//StoppingCriterion sc2(StoppingCriterion::NUMBER_OF_PASSES,1);
TerminationCriterion tc2;
tc2.add_iteration_limit( 1 );
// CompositeAndStoppingCriterion sc(&sc1,&sc2);
pass1.set_inner_termination_criterion(&tc2);
// adds 1 pass of pass1 to mesh_set1
// queue1.add_preconditioner(pass1, err);
// if (err) return 1;
queue1.add_quality_assessor(&stop_qa,err);
queue1.set_master_quality_improver(&pass1, err);
if (err) return 1;
queue1.add_quality_assessor(&stop_qa,err);
if (err) return 1;
// adds 1 passes of pass2 to mesh_set1
// mesh_set1.add_quality_pass(pass2);
mesh.write_vtk("original_mesh.vtk", err);
if (err) return 1;
// launches optimization on mesh_set1
queue1.run_instructions(&mesh, err);
if (err) return 1;
mesh.write_vtk("smoothed_mesh.vtk", err);
if (err) return 1;
return 0;
}
int main()
{
/* Reads a Mesh file */
const char *file_name =
// MESH_FILES_DIR "2D/vtk/tris/untangled/equil_tri2.vtk";
// MESH_FILES_DIR "2D/vtk/tris/untangled/tri_20258.vtk";
// MESH_FILES_DIR "3D/vtk/tets/untangled/tet_1.vtk";
// MESH_FILES_DIR "3D/vtk/hexes/untangled/cube_tet_2.vtk";
MESH_FILES_DIR "3D/vtk/tets/untangled//tire.vtk";
printf("Loading mesh set 1\n");
MsqPrintError err( cout );
Mesquite::MeshImpl mesh;
mesh.read_vtk(file_name, err);
if (err) return 1;
// Creates an intruction queue
// printf("Creating instruction queue\n");
InstructionQueue queue1;
// Creates a condition number quality metric
// printf("Creating quality metric\n");
ConditionNumberQualityMetric cond_no;
// Create the NonSmooth Steepest Descent procedures
// printf("creating optimizer\n");
NonSmoothDescent minmax_method( &cond_no );
// Set a termination criterion
TerminationCriterion tc2;
tc2.add_iteration_limit( 1 );
minmax_method.set_outer_termination_criterion(&tc2);
// Set up the quality assessor
// printf("Setting up the quality assessor\n");
QualityAssessor quality_assessor=QualityAssessor(&cond_no);
// assess the quality of the initial mesh
queue1.add_quality_assessor(&quality_assessor, err);
if (err) return 1;
// Set the max min method to be the master quality improver
queue1.set_master_quality_improver(&minmax_method, err);
if (err) return 1;
// assess the quality of the final mesh
queue1.add_quality_assessor(&quality_assessor, err);
if (err) return 1;
// write out the original mesh
// printf("Writing out the original mesh\n");
mesh.write_vtk("original_mesh.vtk", err);
if (err) return 1;
// launches optimization on mesh_set1
// printf("Running the instruction queue\n");
queue1.run_instructions(&mesh, err);
if (err) return 1;
// write out the smoothed mesh
// printf("Writing out the final mesh\n");
mesh.write_vtk("smoothed_mesh.vtk", err);
if (err) return 1;
return 0;
}
bool smooth_mixed_mesh( const char* filename )
{
Mesquite::MsqPrintError err(cout);
// print a little output so we know when we died
std::cout <<
"**************************************************************************"
<< std::endl <<
"* Smoothing: " << filename
<< std::endl <<
"**************************************************************************"
<< std::endl;
// The instruction queue to set up
InstructionQueue Q;
// Use numeric approx of derivitives until analytic solutions
// are working for pyramids
IdealWeightInverseMeanRatio mr_metric(err);
//sRI_DFT dft_metric;
UntangleBetaQualityMetric un_metric(0);
CPPUNIT_ASSERT(!err);
// Create Mesh object
Mesquite::MeshImpl mesh;
mesh.read_vtk(filename, err);
CPPUNIT_ASSERT(!err);
// Set up a preconditioner
LInfTemplate pre_obj_func( &un_metric );
ConjugateGradient precond( &pre_obj_func, err ); CPPUNIT_ASSERT(!err);
precond.use_element_on_vertex_patch();
TerminationCriterion pre_term, pre_outer;
//pre_term.add_relative_quality_improvement( 0.1 );
pre_term .add_iteration_limit( 3 );
pre_outer.add_iteration_limit( 1 );
CPPUNIT_ASSERT(!err);
precond.set_inner_termination_criterion( &pre_term );
precond.set_outer_termination_criterion( &pre_outer );
//precond.use_element_on_vertex_patch();
// Set up objective function
LPtoPTemplate obj_func(&mr_metric, 1, err);
CPPUNIT_ASSERT(!err);
// Create solver
FeasibleNewton solver( &obj_func, true );
CPPUNIT_ASSERT(!err);
solver.use_global_patch();
CPPUNIT_ASSERT(!err);
// Set stoping criteria for solver
TerminationCriterion tc_inner;
tc_inner.add_relative_quality_improvement( 0.25 );
solver.set_inner_termination_criterion(&tc_inner);
TerminationCriterion tc_outer;
tc_outer.add_iteration_limit( 1 );
CPPUNIT_ASSERT(!err);
solver.set_outer_termination_criterion(&tc_outer);
// Create a QualityAssessor
Mesquite::QualityAssessor qa;
qa.add_quality_assessment( &mr_metric );
qa.add_quality_assessment( &un_metric );
Q.add_quality_assessor( &qa, err );
CPPUNIT_ASSERT(!err);
// Add untangler to queue
Q.add_preconditioner( &precond, err ); CPPUNIT_ASSERT(!err);
Q.add_quality_assessor( &qa, err );
CPPUNIT_ASSERT(!err);
// Add solver to queue
Q.set_master_quality_improver(&solver, err);
CPPUNIT_ASSERT(!err);
Q.add_quality_assessor( &qa, err );
CPPUNIT_ASSERT(!err);
// And smooth...
Q.run_instructions(&mesh, err);
CPPUNIT_ASSERT(!err);
return false;
}
int main( int argc, char* argv[] )
{
unsigned i;
const char* input_file = MESH_FILES_DIR "3D/VTK/mixed-hex-pyr-tet.vtk";
if (argc == 2)
input_file = argv[1];
else if (argc != 1)
{
std::cerr << "Invalid arguments.\n";
return 2;
}
Mesquite::MsqPrintError err(cout);
IdealWeightMeanRatio m1;
IdealWeightInverseMeanRatio m2(err);
ConditionNumberQualityMetric m3;
QualityMetric* metrics[] = { &m1, &m2, &m3, 0 };
// Read Mesh
Mesquite::MeshImpl mesh;
mesh.read_vtk(MESH_FILES_DIR "3D/VTK/12-pyramid-unit-sphere.vtk", err);
CPPUNIT_ASSERT(!err);
Mesquite::MeshImpl ideal_mesh;
ideal_mesh.read_vtk(MESH_FILES_DIR "3D/VTK/12-pyramid-unit-sphere.vtk", err);
CPPUNIT_ASSERT(!err);
// Check that the mesh read correctly, and contains what is
// expected later.
// Get mesh data
// Expecting file to contain 12 pyramid elements constructed
// from 15 vertices.
std::vector<Mesh::VertexHandle> vert_array;
std::vector<Mesh::ElementHandle> elem_array;
std::vector<size_t> conn_offsets;
mesh.get_all_elements( elem_array, err );
CPPUNIT_ASSERT(!err);
CPPUNIT_ASSERT( elem_array.size() == 12 );
mesh.elements_get_attached_vertices( &elem_array[0],
elem_array.size(),
vert_array,
conn_offsets,
err );
CPPUNIT_ASSERT(!err);
CPPUNIT_ASSERT(vert_array.size() == 60);
CPPUNIT_ASSERT(conn_offsets.size() == 13);
EntityTopology type_array[12];
mesh.elements_get_topologies( &elem_array[0], type_array, 12, err );
CPPUNIT_ASSERT(!err);
// Verify element types and number of vertices
for (i = 0; i < 12; ++i)
{
CPPUNIT_ASSERT( type_array[i] == PYRAMID );
CPPUNIT_ASSERT( conn_offsets[i] == 5*i );
}
// All pyramids should share a common apex, at the
// center of the sphere
Mesh::VertexHandle apex_handle = vert_array[4];
for (i = 1; i < 12; ++i)
{
CPPUNIT_ASSERT( vert_array[5*i+4] == apex_handle );
}
// Verify that apex is at origin and all other vertices are
// on unit sphere
MsqVertex vertices[60];
mesh.vertices_get_coordinates( &vert_array[0], vertices, 60, err );
CPPUNIT_ASSERT(!err);
for (i = 0; i < 60; ++i)
{
if (vert_array[i] == apex_handle)
CPPUNIT_ASSERT( vertices[i].within_tolerance_box( Vector3D(0,0,0), 1e-6 ) );
else
CPPUNIT_ASSERT( fabs(1.0 - vertices[i].length()) < 1e-6 );
}
// Try smoothing w/out moving the free vertex and verify that
// the smoother didn't move the vertex
Vector3D position(0,0,0);
for (i = 0; metrics[i] != NULL; ++i)
CPPUNIT_ASSERT( !smooth_mesh( &mesh, &ideal_mesh, apex_handle, position, metrics[i] ) );
// Now try moving the vertex and see if the smoother moves it back
// to the origin
position.set( 0.1, 0.1, 0.1 );
for (i = 0; metrics[i] != NULL; ++i)
CPPUNIT_ASSERT( !smooth_mesh( &mesh, &ideal_mesh, apex_handle, position, metrics[i] ) );
// Now try moving the vertex further and see if the smoother moves it back
// to the origin
position.set( 0.3, 0.3, 0.3 );
for (i = 0; metrics[i] != NULL; ++i)
CPPUNIT_ASSERT( !smooth_mesh( &mesh, &ideal_mesh, apex_handle, position, metrics[i] ) );
// Now try smoothing a real mixed mesh
CPPUNIT_ASSERT( !smooth_mixed_mesh( input_file ) );
return 0;
}
int main()
{
Mesquite::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);
Mesquite::PlanarDomain msq_geom(s_norm, pnt);
//mesh->read_vtk(MESH_FILES_DIR "2D/VTK/cube-clip-corner.vtk", err);
mesh.read_vtk(MESH_FILES_DIR "2D/VTK/hybrid_3quad_1tri.vtk", 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 );
FeasibleNewton pass1( &obj_func, true );
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;
queue1.run_instructions(&mesh, &msq_geom, 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;
}
int main(int argc, char* argv[])
{
std::cout << std::endl << "********* Wrappers Timing Tests **********"
<< std::endl << "Version " << version_string(true)
<< std::endl << std::endl;
Mesquite::MsqPrintError err(cout);
Mesquite::MeshImpl mesh;
// #################### Begin ShapeImprover tests ###################
ShapeImprover si_wrapper;
mesh.read_vtk(shape_improv_file_name_1, err);
Timer t;
si_wrapper.run_instructions(&mesh, err);
if (err) return 1;
double si_s_secs = t.since_birth();
std::cout << std::endl << "ShapeImprover small file optimization completed in "
<< si_s_secs << " seconds" << std::endl;
mesh.clear();
mesh.read_vtk(shape_improv_file_name_2, err);
t.reset();
si_wrapper.run_instructions(&mesh, err);
if (err) return 1;
double si_l_secs = t.since_birth();
std::cout << std::endl << "ShapeImprover large file optimization completed in "
<< si_l_secs << " seconds" << std::endl;
// #################### Begin LaplacianWrapper tests ###################
Vector3D pnt1(0,0,5);
Vector3D s_norm(0,0,1);
Mesquite::PlanarDomain msq_geom(s_norm, pnt1);
LaplaceWrapper lp_wrapper;
mesh.clear();
mesh.read_vtk(laplacian_file_name_1, err);
if (err) return 1;
MeshDomainAssoc mesh_and_domain4 = MeshDomainAssoc(&mesh, &msq_geom);
t.reset();
lp_wrapper.run_instructions(&mesh_and_domain4, err);
if (err) return 1;
double lp_s_secs = t.since_birth();
std::cout << std::endl << "LaplacianWrapper small file optimization completed in "
<< lp_s_secs << " seconds" << std::endl;
Vector3D pnt2(0,0,0);
Mesquite::PlanarDomain msq_geom2(s_norm, pnt2);
mesh.clear();
mesh.read_vtk(laplacian_file_name_2, err);
if (err) return 1;
MeshDomainAssoc mesh_and_domain5 = MeshDomainAssoc(&mesh, &msq_geom2);
t.reset();
lp_wrapper.run_instructions(&mesh_and_domain5, err);
if (err) return 1;
double lp_l1_secs = t.since_birth();
std::cout << std::endl << "LaplacianWrapper large file (term crit=0.001) completed in "
<< lp_l1_secs << " seconds" << std::endl;
mesh.clear();
mesh.read_vtk(laplacian_file_name_2, err);
if (err) return 1;
lp_wrapper.set_vertex_movement_limit_factor(0.1);
t.reset();
lp_wrapper.run_instructions(&mesh_and_domain5, err);
if (err) return 1;
double lp_l2_secs = t.since_birth();
std::cout << std::endl << "LaplacianWrapper large file (term crit=0.1) completed in "
<< lp_l2_secs << " seconds" << std::endl;
// #################### Begin UntangleWrapper::BETA tests ###################
mesh.clear();
mesh.read_vtk(untangle_file_name_1, err);
if (err) return 1;
std::vector<Mesh::VertexHandle> verts;
mesh.get_all_vertices( verts, err );
if (err || verts.empty()) return 1;
MsqVertex coords;
mesh.vertices_get_coordinates( arrptr(verts), &coords, 1, err );
if (err) return 1;
Vector3D norm(0,0,1);
PlanarDomain u_domain( norm, coords );
UntangleWrapper::UntangleMetric metric = UntangleWrapper::BETA;
UntangleWrapper un_wrapper (metric);
un_wrapper.set_vertex_movement_limit_factor( 0.005 );
MeshDomainAssoc mesh_and_domain3 = MeshDomainAssoc(&mesh, &u_domain);
t.reset();
un_wrapper.run_instructions( &mesh_and_domain3, err );
if (err) return 1;
double unb_s_secs = t.since_birth();
std::cout << std::endl << "UntangleWrapper::BETA small file optimization completed in "
<< unb_s_secs << " seconds" << std::endl;
mesh.clear();
mesh.read_vtk(untangle_file_name_2, err);
if (err) return 1;
// get domain
verts.clear();
mesh.get_all_vertices( verts, err );
if (err || verts.empty()) return 1;
MsqVertex coords2;
mesh.vertices_get_coordinates( arrptr(verts), &coords2, 1, err );
if (err) return 1;
PlanarDomain un_domain2( norm, coords2 );
MeshDomainAssoc mesh_and_domain6 = MeshDomainAssoc(&mesh, &un_domain2);
t.reset();
un_wrapper.run_instructions( &mesh_and_domain6, err );
if (err) return 1;
double unb_l1_secs = t.since_birth();
std::cout << std::endl << "UntangleWrapper::BETA large file (term crit=0.005) completed in "
<< unb_l1_secs << " seconds" << std::endl;
mesh.clear();
mesh.read_vtk(untangle_file_name_2, err);
if (err) return 1;
// get domain
verts.clear();
mesh.get_all_vertices( verts, err );
if (err || verts.empty()) return 1;
MsqVertex coords3;
mesh.vertices_get_coordinates( arrptr(verts), &coords3, 1, err );
if (err) return 1;
PlanarDomain un_domain3( norm, coords3 );
un_wrapper.set_vertex_movement_limit_factor( 0.1 );
MeshDomainAssoc mesh_and_domain7 = MeshDomainAssoc(&mesh, &un_domain3);
t.reset();
un_wrapper.run_instructions( &mesh_and_domain7, err );
if (err) return 1;
double unb_l2_secs = t.since_birth();
std::cout << std::endl << "UntangleWrapper::BETA large file (term crit=0.1) completed in "
<< unb_l2_secs << " seconds" << std::endl;
// #################### Begin UntangleWrapper::SIZE tests ###################
mesh.clear();
mesh.read_vtk(untangle_file_name_1, err);
if (err) return 1;
verts.clear();
mesh.get_all_vertices( verts, err );
if (err || verts.empty()) return 1;
MsqVertex coords2a;
mesh.vertices_get_coordinates( arrptr(verts), &coords2a, 1, err );
if (err) return 1;
PlanarDomain u_domain3( norm, coords2a );
UntangleWrapper::UntangleMetric metric2 = UntangleWrapper::SIZE;
UntangleWrapper un_wrapper2s(metric2);
UntangleWrapper un_wrapper2l(metric2);
MeshDomainAssoc mesh_and_domain8 = MeshDomainAssoc(&mesh, &u_domain3);
t.reset();
un_wrapper2s.run_instructions( &mesh_and_domain8, err );
if (err) return 1;
double uns_s_secs = t.since_birth();
std::cout << std::endl << "UntangleWrapper::SIZE small file optimization completed in "
<< uns_s_secs << " seconds" << std::endl;
mesh.clear();
mesh.read_vtk(untangle_file_name_2, err);
if (err) return 1;
// get domain
verts.clear();
mesh.get_all_vertices( verts, err );
if (err || verts.empty()) return 1;
MsqVertex coords4;
mesh.vertices_get_coordinates( arrptr(verts), &coords4, 1, err );
if (err) return 1;
PlanarDomain un_domain4( norm, coords4 );
un_wrapper2s.set_vertex_movement_limit_factor( 0.005 );
MeshDomainAssoc mesh_and_domain9 = MeshDomainAssoc(&mesh, &un_domain4);
t.reset();
un_wrapper2s.run_instructions( &mesh_and_domain9, err );
if (err) return 1;
double uns_l1_secs = t.since_birth();
std::cout << std::endl << "UntangleWrappe::SIZE large file (term crit=0.005) completed in "
<< uns_l1_secs << " seconds" << std::endl;
mesh.clear();
mesh.read_vtk(untangle_file_name_2, err);
if (err) return 1;
mesh.get_all_vertices( verts, err );
if (err || verts.empty()) return 1;
mesh.vertices_get_coordinates( arrptr(verts), &coords4, 1, err );
if (err) return 1;
un_wrapper2l.set_vertex_movement_limit_factor( 0.1 );
t.reset();
un_wrapper2l.run_instructions( &mesh_and_domain9, err );
if (err) return 1;
double uns_l2_secs = t.since_birth();
std::cout << std::endl << "UntangleWrappe::SIZE large file (term crit=0.1) completed in "
<< uns_l2_secs << " seconds" << std::endl;
// #################### Begin UntangleWrapper::SHAPESIZE tests ###################
mesh.clear();
mesh.read_vtk(untangle_file_name_1, err);
if (err) return 1;
verts.clear();
mesh.get_all_vertices( verts, err );
if (err || verts.empty()) return 1;
MsqVertex coords5;
mesh.vertices_get_coordinates( arrptr(verts), &coords5, 1, err );
if (err) return 1;
PlanarDomain u_domain5( norm, coords3 );
UntangleWrapper::UntangleMetric metric3 = UntangleWrapper::SHAPESIZE;
UntangleWrapper un_wrapper3(metric3);
MeshDomainAssoc mesh_and_domain10 = MeshDomainAssoc(&mesh, &u_domain5);
t.reset();
un_wrapper3.run_instructions( &mesh_and_domain10, err );
if (err) return 1;
double unss_s_secs = t.since_birth();
std::cout << std::endl << "UntangleWrapper::SHAPESIZE small file optimization completed in "
<< unss_s_secs << " seconds" << std::endl;
mesh.clear();
mesh.read_vtk(untangle_file_name_2, err);
if (err) return 1;
// get domain
verts.clear();
mesh.get_all_vertices( verts, err );
if (err || verts.empty()) return 1;
MsqVertex coords6;
mesh.vertices_get_coordinates( arrptr(verts), &coords6, 1, err );
if (err) return 1;
PlanarDomain un_domain6( norm, coords6 );
MeshDomainAssoc mesh_and_domain11 = MeshDomainAssoc(&mesh, &un_domain6);
t.reset();
un_wrapper3.run_instructions( &mesh_and_domain11, err );
if (err) return 1;
double unss_l_secs = t.since_birth();
std::cout << std::endl << "UntangleWrapper::SHAPESIZE large file optimization completed in "
<< unss_l_secs << " seconds" << std::endl;
// #################### Begin SizeAdaptShapeWrapper tests ###################
mesh.clear();
mesh.read_vtk(size_adapt_shape_file_name_1, err);
if (err) return 1;
elem_vec_t polar, equatorial;
find_z10_extreme_elements( mesh, polar, equatorial, err );
if (err) return 1;
double eq_min, eq_max, eq_mean, pol_min, pol_max, pol_mean;
elem_areas( mesh, polar, pol_min, pol_mean, pol_max, err );
if (err) return 1;
elem_areas( mesh, equatorial, eq_min, eq_mean, eq_max, err );
if (err) return 1;
SphericalDomain geom( Vector3D(0,0,0), 10.0 );
SizeAdaptShapeWrapper sas_wrapper1(1e-2, 50);
SizeAdaptShapeWrapper sas_wrapper2(1e-1, 50);
MeshDomainAssoc mesh_and_domain12 = MeshDomainAssoc(&mesh, &geom);
t.reset();
sas_wrapper1.run_instructions( &mesh_and_domain12, err);
if (err) return 1;
double sas1_secs = t.since_birth();
std::cout << std::endl << "SizeAdaptShapeWrapper (term crit=0.01) completed in "
<< sas1_secs << " seconds" << std::endl;
mesh.clear();
mesh.read_vtk(size_adapt_shape_file_name_1, err);
if (err) return 1;
t.reset();
sas_wrapper2.run_instructions( &mesh_and_domain12, err);
if (err) return 1;
double sas2_secs = t.since_birth();
std::cout << std::endl << "SizeAdaptShapeWrapper (term crit=0.1) completed in "
<< sas2_secs << " seconds" << std::endl;
// #################### Begin PaverMinEdgeLengthWrapper tests ###################
PaverMinEdgeLengthWrapper mel_wrapper1(.005, 50);
PaverMinEdgeLengthWrapper mel_wrapper2(.1, 50);
mesh.clear();
mesh.read_vtk(min_edge_length_file_name_1, err);
t.reset();
mel_wrapper1.run_instructions(&mesh, err);
if (err) return 1;
double mel_s_secs = t.since_birth();
std::cout << std::endl << "PaverMinEdgeLengthWrapper small file optimization completed in "
<< mel_s_secs << " seconds" << std::endl;
mesh.clear();
mesh.read_vtk(min_edge_length_file_name_2, err);
t.reset();
mel_wrapper1.run_instructions(&mesh, err);
if (err) return 1;
double mel1_l_secs = t.since_birth();
std::cout << std::endl << "PaverMinEdgeLengthWrapper large file (term crit=0.005) completed in "
<< mel1_l_secs << " seconds" << std::endl;
mesh.clear();
mesh.read_vtk(min_edge_length_file_name_2, err);
t.reset();
mel_wrapper2.run_instructions(&mesh, err);
if (err) return 1;
double mel2_l_secs = t.since_birth();
std::cout << std::endl << "PaverMinEdgeLengthWrapper large file (term crit=0.1) completed in "
<< mel2_l_secs << " seconds" << std::endl;
// #################### Begin DeformingDomainWrapper tests ###################
// load mesh
mesh.clear();
mesh.read_vtk( deforming_domain_file_name_1, err );
if (MSQ_CHKERR(err)) return 1;
std::vector<Mesh::VertexHandle> curves[4];
Mesh::VertexHandle corners[4];
classify_boundary( &mesh, corners, curves, err );
if (MSQ_CHKERR(err)) return 1;
// new, "deformed" domain will be an 2HDx2HD planar square
const double corner_coords[][3] = { {-HD,-HD, Z},
{ HD,-HD, Z},
{ HD, HD, Z},
{-HD, HD, Z} };
LineDomain lines[4] = {
LineDomain( Vector3D(corner_coords[0]), Vector3D( 1, 0, 0) ),
LineDomain( Vector3D(corner_coords[1]), Vector3D( 0, 1, 0) ),
LineDomain( Vector3D(corner_coords[2]), Vector3D(-1, 0, 0) ),
LineDomain( Vector3D(corner_coords[3]), Vector3D( 0,-1, 0) ) };
PlanarDomain surface( PlanarDomain::XY, Z );
// save initial mesh state
DeformingCurveSmoother curve_tool;
for (int i = 0; i < 4; ++i) {
curve_tool.store_initial_mesh( &mesh, &curves[i][0], curves[i].size(), &lines[i], err );
if (MSQ_CHKERR(err)) return 1;
}
DeformingDomainWrapper dd_wrapper;
dd_wrapper.store_initial_mesh( &mesh, err );
if (MSQ_CHKERR(err)) return 1;
// move corner vertices to new location
for (int i = 0; i < 4; ++i) {
Vector3D vect(corner_coords[i]);
mesh.vertex_set_coordinates( corners[i], vect, err );
if (MSQ_CHKERR(err)) return 1;
}
std::vector<bool> fixed(4,true);
mesh.vertices_set_fixed_flag( corners, fixed, 4, err );
if (MSQ_CHKERR(err)) return 1;
// smooth curves
for (int i = 0; i < 4; ++i) {
curve_tool.smooth_curve( &mesh, &curves[i][0], curves[i].size(), &lines[i],
DeformingCurveSmoother::PROPORTIONAL, err );
if (MSQ_CHKERR(err)) return 1;
fixed.resize(curves[i].size(),true);
mesh.vertices_set_fixed_flag( &curves[i][0], fixed, curves[i].size(), err );
if (MSQ_CHKERR(err)) return 1;
}
MeshDomainAssoc mesh_and_domain1 = MeshDomainAssoc(&mesh, &surface);
t.reset();
dd_wrapper.run_instructions( &mesh_and_domain1, err );
if (MSQ_CHKERR(err)) return 1;
double dd_secs = t.since_birth();
std::cout << std::endl << "DeformingDomainWrapper file (term crit=0.01) completed in "
<< dd_secs << " seconds" << std::endl;
// Do it all again for the next test
mesh.clear();
mesh.read_vtk( deforming_domain_file_name_1, err );
if (MSQ_CHKERR(err)) return 1;
std::vector<Mesh::VertexHandle> curves2[4];
Mesh::VertexHandle corners2[4];
classify_boundary( &mesh, corners2, curves2, err );
if (MSQ_CHKERR(err)) return 1;
// new, "deformed" domain will be an 2HDx2HD planar square
const double corner_coords2[][3] = { {-HD,-HD, Z},
{ HD,-HD, Z},
{ HD, HD, Z},
{-HD, HD, Z} };
LineDomain lines2[4] = {
LineDomain( Vector3D(corner_coords2[0]), Vector3D( 1, 0, 0) ),
LineDomain( Vector3D(corner_coords2[1]), Vector3D( 0, 1, 0) ),
LineDomain( Vector3D(corner_coords2[2]), Vector3D(-1, 0, 0) ),
LineDomain( Vector3D(corner_coords2[3]), Vector3D( 0,-1, 0) ) };
PlanarDomain surface2( PlanarDomain::XY, Z );
// save initial mesh state
DeformingCurveSmoother curve_tool2;
for (int i = 0; i < 4; ++i) {
curve_tool2.store_initial_mesh( &mesh, &curves2[i][0], curves2[i].size(), &lines2[i], err );
if (MSQ_CHKERR(err)) return 1;
}
DeformingDomainWrapper dd_wrapper2;
dd_wrapper2.store_initial_mesh( &mesh, err );
if (MSQ_CHKERR(err)) return 1;
// move corner vertices to new location
for (int i = 0; i < 4; ++i) {
Vector3D vect(corner_coords2[i]);
mesh.vertex_set_coordinates( corners2[i], vect, err );
if (MSQ_CHKERR(err)) return 1;
}
std::vector<bool> fixed2(4,true);
mesh.vertices_set_fixed_flag( corners2, fixed2, 4, err );
if (MSQ_CHKERR(err)) return 1;
// smooth curves
for (int i = 0; i < 4; ++i) {
curve_tool2.smooth_curve( &mesh, &curves2[i][0], curves2[i].size(), &lines2[i],
DeformingCurveSmoother::PROPORTIONAL, err );
if (MSQ_CHKERR(err)) return 1;
fixed2.resize(curves2[i].size(),true);
mesh.vertices_set_fixed_flag( &curves2[i][0], fixed2, curves2[i].size(), err );
if (MSQ_CHKERR(err)) return 1;
}
dd_wrapper2.set_vertex_movement_limit_factor(0.1);
MeshDomainAssoc mesh_and_domain2 = MeshDomainAssoc(&mesh, &surface2);
t.reset();
dd_wrapper2.run_instructions( &mesh_and_domain2, err );
if (MSQ_CHKERR(err)) return 1;
double dd_secs2 = t.since_birth();
std::cout << std::endl << "DeformingDomainWrapper file (term crit=0.1) completed in "
<< dd_secs2 << " seconds" << std::endl;
// Timing Summary
std::cout << std::endl << "********* Wrappers Timing Summary **********"
<< std::endl << "Version " << version_string(true)
<< std::endl << std::endl;
std::cout << "ShapeImprover small file optimization completed in "
<< si_s_secs << " seconds" << std::endl;
std::cout << "ShapeImprover large file optimization completed in "
<< si_l_secs << " seconds" << std::endl;
std::cout << "LaplacianWrapper small file optimization completed in "
<< lp_s_secs << " seconds" << std::endl;
std::cout << "LaplacianWrapper large file optimization (term crit=0.001) in "
<< lp_l1_secs << " seconds" << std::endl;
std::cout << "LaplacianWrapper large file optimization (term crit=0.1) in "
<< lp_l2_secs << " seconds" << std::endl;
std::cout << "UntangleWrapper::BETA small file optimization completed in "
<< unb_s_secs << " seconds" << std::endl;
std::cout << "UntangleWrapper::BETA large file (term crit=0.005) completed in "
<< unb_l1_secs << " seconds" << std::endl;
std::cout << "UntangleWrapper::BETA large file (term crit=0.1) completed in "
<< unb_l2_secs << " seconds" << std::endl;
std::cout << "UntangleWrapper::SIZE small file optimization completed in "
<< uns_s_secs << " seconds" << std::endl;
std::cout << "UntangleWrapper::SIZE large file (term crit=0.005) completed in "
<< uns_l1_secs << " seconds" << std::endl;
std::cout << "UntangleWrapper::SIZE large file (term crit=0.1) completed in "
<< uns_l2_secs << " seconds" << std::endl;
std::cout << "UntangleWrapper::SHAPESIZE small file optimization completed in "
<< unss_s_secs << " seconds" << std::endl;
std::cout << "UntangleWrapper::SHAPESIZE large file optimization completed in "
<< unss_l_secs << " seconds" << std::endl;
std::cout << "SizeAdaptShapeWrapper (term crit=0.01) completed in "
<< sas1_secs << " seconds" << std::endl;
std::cout << "SizeAdaptShapeWrapper (term crit=0.1) completed in "
<< sas2_secs << " seconds" << std::endl;
std::cout << "PaverMinEdgeLengthWrapper small file optimization completed in "
<< mel_s_secs << " seconds" << std::endl;
std::cout << "PaverMinEdgeLengthWrapper large file (term crit=0.005) completed in "
<< mel1_l_secs << " seconds" << std::endl;
std::cout << "PaverMinEdgeLengthWrapper large file (term crit=0.1) completed in "
<< mel2_l_secs << " seconds" << std::endl;
std::cout << "DeformingDomainWrapper file (term crit=0.01) completed in "
<< dd_secs << " seconds" << std::endl;
std::cout << "DeformingDomainWrapper file (term crit=0.1) completed in "
<< dd_secs2 << " seconds" << std::endl;
return 0;
}
int main( )
{
Mesquite::MeshImpl mesh;
MsqPrintError err(cout);
mesh.read_vtk(VTK_2D_DIR "quads/tangled/tangled_quad.vtk", err);
if (err) return 1;
// Set Domain Constraint
Vector3D pnt(0,0,5);
Vector3D s_norm(0,0,1);
PlanarDomain msq_geom(s_norm, pnt);
// creates an intruction queue
InstructionQueue queue1;
// creates a mean ratio quality metric ...
ConditionNumberQualityMetric shape_metric;
UntangleBetaQualityMetric untangle(2);
Randomize pass0(.05);
// ... and builds an objective function with it
//LInfTemplate* obj_func = new LInfTemplate(shape_metric);
LInfTemplate obj_func(&untangle);
LPtoPTemplate obj_func2(&shape_metric, 2, err);
if (err) return 1;
// creates the steepest descent optimization procedures
ConjugateGradient pass1( &obj_func, err );
if (err) return 1;
//SteepestDescent* pass2 = new SteepestDescent( obj_func2 );
ConjugateGradient pass2( &obj_func2, err );
if (err) return 1;
pass2.use_element_on_vertex_patch();
if (err) return 1;
pass2.use_global_patch();
if (err) return 1;
QualityAssessor stop_qa=QualityAssessor(&shape_metric);
QualityAssessor stop_qa2=QualityAssessor(&shape_metric);
if (brief_output) {
stop_qa.disable_printing_results();
stop_qa2.disable_printing_results();
}
stop_qa.add_quality_assessment(&untangle);
// **************Set stopping criterion**************
//untangle beta should be 0 when untangled
TerminationCriterion sc1;
sc1.add_relative_quality_improvement( 0.000001 );
TerminationCriterion sc3;
sc3.add_iteration_limit( 10 );
TerminationCriterion sc_rand;
sc_rand.add_iteration_limit( 1 );
//StoppingCriterion sc1(&stop_qa,-1.0,.0000001);
//StoppingCriterion sc3(&stop_qa2,.9,1.00000001);
//StoppingCriterion sc2(StoppingCriterion::NUMBER_OF_PASSES,10);
//StoppingCriterion sc_rand(StoppingCriterion::NUMBER_OF_PASSES,1);
//either until untangled or 10 iterations
pass0.set_outer_termination_criterion(&sc_rand);
pass1.set_outer_termination_criterion(&sc1);
pass2.set_inner_termination_criterion(&sc3);
// adds 1 pass of pass1 to mesh_set1
queue1.add_quality_assessor(&stop_qa,err);
if (err) return 1;
//queue1.add_preconditioner(pass0,err);MSQ_CHKERR(err);
//queue1.add_preconditioner(pass1,err);MSQ_CHKERR(err);
//queue1.set_master_quality_improver(pass2, err); MSQ_CHKERR(err);
queue1.set_master_quality_improver(&pass1, err);
if (err) return 1;
queue1.add_quality_assessor(&stop_qa2,err);
if (err) return 1;
if (write_output)
mesh.write_vtk("original_mesh.vtk", err);
if (err) return 1;
// launches optimization on mesh_set1
MeshDomainAssoc mesh_and_domain = MeshDomainAssoc(&mesh, &msq_geom);
queue1.run_instructions(&mesh_and_domain, err);
if (err) return 1;
if (write_output)
mesh.write_vtk("smoothed_mesh.vtk", err);
if (err) return 1;
if (!brief_output)
print_timing_diagnostics(cout);
return 0;
}
int main(int argc, char* argv[])
{
const char* input_file = DEFAULT_INPUT;
const char* output_file = NULL;
switch (argc) {
default:
help(argv[0]);
case 3:
if (!strcmp(argv[2],"-h"))
help(argv[0]);
output_file = argv[2];
case 2:
if (!strcmp(argv[1],"-h"))
help(argv[0]);
input_file = argv[1];
case 1:
;
}
/* Read a VTK Mesh file */
MsqPrintError err(cout);
Mesquite::MeshImpl mesh;
mesh.read_vtk( input_file, err);
if (err) {
std::cerr << input_file << ": file read failed" << endl;
return 1;
}
double min_ini, avg_ini, max_ini;
tet_dihedral_angle_ratios( mesh, min_ini, avg_ini, max_ini, err );
/* Run optimizer */
ViscousCFDTetShapeWrapper smoother(1e-2);
smoother.run_instructions( &mesh, err);
if (err) return 1;
double min_fin, avg_fin, max_fin;
tet_dihedral_angle_ratios( mesh, min_fin, avg_fin, max_fin, err );
cout << "\tMinimum \tAverage \tMaximum "<<endl
<< "Init\t"<<min_ini<<'\t'<<avg_ini<<'\t'<<max_ini<<endl
<< "Fini\t"<<min_fin<<'\t'<<avg_fin<<'\t'<<max_fin<<endl;
if (output_file) {
mesh.write_vtk( output_file, err );
if (err) {
std::cerr << output_file << ": file write failed" << endl;
return 1;
}
else {
std::cout << "Wrote file: " << output_file << endl;
}
}
if (min_ini > min_fin || avg_ini > avg_fin || max_ini > max_fin) {
std::cerr << "Dihedral handle ratio decreased" << endl;
return 1;
}
return 0;
}
int main(int argc, char* argv[])
{
const char* input_file = DEFAULT_INPUT;
const char* output_file = NULL;
switch (argc) {
default:
help(argv[0]);
case 3:
if (!strcmp(argv[2],"-h"))
help(argv[0]);
output_file = argv[2];
case 2:
if (!strcmp(argv[1],"-h"))
help(argv[0]);
input_file = argv[1];
case 1:
;
}
/* Read a VTK Mesh file */
MsqPrintError err(cout);
Mesquite::MeshImpl mesh;
mesh.read_vtk( input_file, err);
if (err) return 1;
// creates an intruction queue
InstructionQueue queue1;
// creates a mean ratio quality metric ...
ConditionNumberQualityMetric shape_metric;
EdgeLengthQualityMetric lapl_met;
lapl_met.set_averaging_method(QualityMetric::RMS);
// creates the laplacian smoother procedures
LaplacianSmoother lapl1;
QualityAssessor stop_qa=QualityAssessor(&shape_metric);
stop_qa.add_quality_assessment(&lapl_met);
//**************Set stopping criterion****************
TerminationCriterion sc2;
sc2.add_iteration_limit( 10 );
if (err) return 1;
lapl1.set_outer_termination_criterion(&sc2);
// adds 1 pass of pass1 to mesh_set1
// queue1.add_quality_assessor(&stop_qa,err);
if (err) return 1;
queue1.set_master_quality_improver(&lapl1, err);
if (err) return 1;
// queue1.add_quality_assessor(&stop_qa,err);
if (err) return 1;
PlanarDomain plane(Vector3D(0,0,1), Vector3D(0,0,0));
// launches optimization on mesh_set1
Timer t;
queue1.run_instructions(&mesh, &plane, err);
if (err) return 1;
double secs = t.since_birth();
std::cout << "Optimization completed in " << secs << " seconds" << std::endl;
if (output_file) {
mesh.write_vtk(output_file, err);
if (err) return 1;
std::cout << "Wrote file: " << output_file << std::endl;
}
return 0;
}
int main(int argc, char* argv[])
{
const char* input_file = DEFAULT_INPUT;
const char* output_file = NULL;
switch (argc) {
default:
help(argv[0]);
case 3:
if (!strcmp(argv[2],"-h"))
help(argv[0]);
output_file = argv[2];
case 2:
if (!strcmp(argv[1],"-h"))
help(argv[0]);
input_file = argv[1];
case 1:
;
}
/* Read a VTK Mesh file */
MsqPrintError err(cout);
Mesquite::MeshImpl mesh;
mesh.read_vtk( input_file, err);
if (err) return 1;
// creates an intruction queue
InstructionQueue queue1;
// creates a mean ratio quality metric ...
ConditionNumberQualityMetric shape_metric;
EdgeLengthQualityMetric lapl_met;
lapl_met.set_averaging_method(QualityMetric::RMS);
// creates the laplacian smoother procedures
LaplacianSmoother lapl1;
QualityAssessor stop_qa=QualityAssessor(&shape_metric);
stop_qa.add_quality_assessment(&lapl_met);
//**************Set stopping criterion****************
TerminationCriterion sc2;
sc2.add_iteration_limit( 10 );
if (err) return 1;
lapl1.set_outer_termination_criterion(&sc2);
// adds 1 pass of pass1 to mesh_set1
queue1.add_quality_assessor(&stop_qa,err);
if (err) return 1;
queue1.set_master_quality_improver(&lapl1, err);
if (err) return 1;
queue1.add_quality_assessor(&stop_qa,err);
if (err) return 1;
// adds 1 passes of pass2 to mesh_set1
// mesh_set1.add_quality_pass(pass2);
//writeVtkMesh("original_mesh", mesh, err); MSQ_CHKERR(err);
PlanarDomain plane(Vector3D(0,0,1), Vector3D(0,0,5));
// launches optimization on mesh_set1
MeshDomainAssoc mesh_and_domain = MeshDomainAssoc(&mesh, &plane);
Timer t;
queue1.run_instructions(&mesh_and_domain, err);
if (err) return 1;
double secs = t.since_birth();
std::cout << "Optimization completed in " << secs << " seconds" << std::endl;
if (output_file) {
mesh.write_vtk(output_file, err);
if (err) return 1;
std::cout << "Wrote file: " << output_file << std::endl;
}
// check that smoother is working:
// the one free vertex must be at the origin
if (input_file == DEFAULT_INPUT) {
std::vector<Mesh::VertexHandle> vertices;
mesh.get_all_vertices( vertices, err );
if (err) return 1;
std::vector<bool> fixed_flags;
mesh.vertices_get_fixed_flag( arrptr(vertices), fixed_flags, vertices.size(), err );
if (err) return 1;
// find one free vertex
int idx = -1;
for (unsigned i = 0; i < vertices.size(); ++i) {
if (fixed_flags[i] == true)
continue;
if (idx != -1) {
std::cerr << "Multiple free vertices in mesh." << std::endl;
return 1;
}
idx = i;
}
if (idx == -1) {
std::cerr << "No free vertex in mesh!!!!!" << std::endl;
return 1;
}
Mesh::VertexHandle vertex = vertices[idx];
MsqVertex coords;
mesh.vertices_get_coordinates( &vertex, &coords, 1, err );
if (err) return 1;
// calculate distance from origin
double dist = sqrt( coords[0]*coords[0] + coords[1]*coords[1] );
if (dist > 1e-8) {
std::cerr << "Free vertex not at origin after Laplace smooth." << std::endl
<< "Expected location: (0,0)" << std::endl
<< "Actual location: (" << coords[0] << "," << coords[1] << ")" << std::endl;
return 2;
}
}
return 0;
}
int main(int argc, char* argv[])
{
Mesquite::MsqPrintError err(cout);
Mesquite::MeshImpl mesh;
//mesh->read_exodus("transformed_mesh.exo", err);
mesh.read_vtk(MESH_FILES_DIR "2D/vtk/quads/untangled/tfi_horse10x4-12.vtk", err);
if (err) return 1;
// Get all vertex coordinates from mesh
std::vector<Mesquite::Mesh::VertexHandle> handles;
mesh.get_all_vertices( handles, err );
if (err) return 1;
if (handles.empty()) {
std::cerr << "No verticies in mesh" << endl;
return 1;
}
std::vector<Mesquite::MsqVertex> coords( handles.size() );
mesh.vertices_get_coordinates( arrptr(handles), arrptr(coords), handles.size(), err );
if (err) return 1;
//create the matrix for affine transformation
double array_entries[9];
array_entries[0]=0; array_entries[1]=1; array_entries[2]=0;
array_entries[3]=1; array_entries[4]=0; array_entries[5]=0;
array_entries[6]=0; array_entries[7]=0; array_entries[8]=1;
//create the translation vector
Matrix3D my_mat(array_entries);
Vector3D my_vec(0, 0 , 10);
MeshTransform my_transform(my_mat, my_vec);
//mesh->write_exodus("original_mesh.exo", err);
MeshDomainAssoc mesh_and_domain = MeshDomainAssoc(&mesh, 0);
my_transform.loop_over_mesh(&mesh_and_domain, 0, err);
if (err) return 1;
//mesh->write_exodus("transformed_mesh.exo", err);
mesh.write_vtk("transformed_mesh.vtk", err);
if (err) return 1;
// Get transformed coordinates
std::vector<Mesquite::MsqVertex> coords2( handles.size() );
mesh.vertices_get_coordinates( arrptr(handles), arrptr(coords2), handles.size(), err );
if (err) return 1;
// Compare vertex coordinates
size_t invalid = 0;
std::vector<Mesquite::MsqVertex>::iterator iter, iter2;
iter = coords.begin();
iter2 = coords2.begin();
for ( ; iter != coords.end(); ++iter, ++iter2 )
{
Mesquite::Vector3D xform = my_mat * *iter + my_vec;
double d = (xform - *iter2).length();
if (d > EPSILON)
++invalid;
}
std::cerr << invalid << " vertices not within " << EPSILON
<< " of expected location" << std::endl;
return (invalid != 0);
}
void test_plane_quad_tangled()
{
Mesquite::MeshImpl mesh;
MsqPrintError err(cout);
mesh.read_vtk(MESH_FILES_DIR "2D/VTK/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);
Mesquite::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
double orig_qa_val=stop_qa.loop_over_mesh(&mesh, &msq_geom, 0, err);
//Make sure no errors
CPPUNIT_ASSERT(!err);
queue1.run_instructions(&mesh, &msq_geom, err); CPPUNIT_ASSERT(!err);
//Make sure no errors
CPPUNIT_ASSERT(!err);
double fin_qa_val=stop_qa.loop_over_mesh(&mesh, &msq_geom, 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, &msq_geom, 0, err);
//Make sure no errors
CPPUNIT_ASSERT(!err);
queue2.run_instructions(&mesh, &msq_geom, err); CPPUNIT_ASSERT(!err);
//Make sure no errors
CPPUNIT_ASSERT(!err);
fin_qa_val=qa.loop_over_mesh(&mesh, &msq_geom, 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_laplacian_smoothing_with_cull()
{
/* Read a VTK Mesh file */
MsqPrintError err(cout);
Mesquite::MeshImpl mesh;
mesh.read_vtk(MESH_FILES_DIR "2D/vtk/quads/untangled/square_quad_10_rand.vtk", err);
CPPUNIT_ASSERT(!err);
Vector3D pnt(0,0,5);
Vector3D s_norm(0,0,1);
Mesquite::PlanarDomain msq_geom(s_norm, pnt);
// create an objective function for use in termination criteria
IdealWeightInverseMeanRatio metric;
LPtoPTemplate of(2, &metric);
// creates an intruction queue
InstructionQueue queue1;
// creates a mean ratio quality metric ...
ConditionNumberQualityMetric shape_metric;
EdgeLengthQualityMetric lapl_met;
lapl_met.set_averaging_method(QualityMetric::RMS);
// creates the laplacian smoother procedures
LaplacianSmoother lapl1(&of);
LaplacianSmoother lapl2(&of);
QualityAssessor stop_qa=QualityAssessor( &shape_metric );
stop_qa.add_quality_assessment( &lapl_met );
//**************Set termination criterion****************
TerminationCriterion sc2;
sc2.add_iteration_limit( 1000 );
sc2.add_absolute_successive_improvement( 0.0 );
//set a criterion with a culling method for the inner criterion
TerminationCriterion sc_cull;
sc_cull.cull_on_absolute_vertex_movement( 0.1 );
CPPUNIT_ASSERT(!err);
TerminationCriterion sc_cull_2;
sc_cull_2.cull_on_absolute_vertex_movement( 0.000001 );
CPPUNIT_ASSERT(!err);
//Make sure no errors
CPPUNIT_ASSERT(!err);
lapl1.set_outer_termination_criterion(&sc2);
lapl2.set_outer_termination_criterion(&sc2);
lapl1.set_inner_termination_criterion(&sc_cull);
lapl2.set_inner_termination_criterion(&sc_cull_2);
// adds 1 pass of pass1 to mesh_set1
queue1.add_quality_assessor(&stop_qa,err);
//Make sure no errors
CPPUNIT_ASSERT(!err);
queue1.add_preconditioner(&lapl1,err);
//Make sure no errors
CPPUNIT_ASSERT(!err);
queue1.set_master_quality_improver(&lapl2, err);
//Make sure no errors
CPPUNIT_ASSERT(!err);
queue1.add_quality_assessor(&stop_qa,err);
//Make sure no errors
CPPUNIT_ASSERT(!err);
MeshDomainAssoc mesh_and_domain = MeshDomainAssoc(&mesh, &msq_geom);
queue1.run_instructions(&mesh_and_domain, err);
CPPUNIT_ASSERT(!err);
}
int main()
{
MsqPrintError err(cout);
Mesquite::MeshImpl mesh;
mesh.read_vtk(MESH_FILES_DIR "3D/VTK/tire.vtk", err);
if (err) return 1;
// creates an intruction queue
InstructionQueue queue1;
// creates a mean ratio quality metric ...
IdealWeightInverseMeanRatio mean(err);
if (err) return 1;
LPtoPTemplate obj_func(&mean, 1, err);
if (err) return 1;
// creates the optimization procedures
// ConjugateGradient* pass1 = new ConjugateGradient( obj_func, err );
FeasibleNewton pass1( &obj_func, true );
//perform optimization globally
pass1.use_global_patch();
if (err) return 1;
QualityAssessor mean_qa=QualityAssessor(&mean);
//**************Set termination criterion****************
//perform 1 pass of the outer loop (this line isn't essential as it is
//the default behavior).
TerminationCriterion tc_outer;
tc_outer.add_iteration_limit( 1 );
pass1.set_outer_termination_criterion(&tc_outer);
//perform the inner loop until a certain objective function value is
//reached. The exact value needs to be determined (about 18095).
//As a safety, also stop if the time exceeds 10 minutes (600 seconds).
TerminationCriterion tc_inner;
tc_inner.add_absolute_quality_improvement( 13975 );
// tc_inner.add_absolute_quality_improvement( 13964.93818 );
tc_inner.add_cpu_time( 1800 );
pass1.set_inner_termination_criterion(&tc_inner);
//used for cg to get some info
// pass1->set_debugging_level(2);
// adds 1 pass of pass1 to mesh_set1
queue1.add_quality_assessor(&mean_qa,err);
if (err) return 1;
queue1.set_master_quality_improver(&pass1, err);
if (err) return 1;
queue1.add_quality_assessor(&mean_qa,err);
if (err) return 1;
mesh.write_vtk("original_mesh.vtk", err);
if (err) return 1;
// launches optimization on mesh_set1
queue1.run_instructions(&mesh, err);
if (err) return 1;
mesh.write_vtk("smoothed_mesh.vtk", err);
if (err) return 1;
print_timing_diagnostics( cout );
return 0;
}
int main( int argc, char* argv[] )
{
/* init MPI */
int rank, nprocs;
if (MPI_SUCCESS != MPI_Init(&argc, &argv)) {
cerr << "MPI_Init failed." << endl;
return 2;
}
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
MPI_Comm_size(MPI_COMM_WORLD, &nprocs);
if (nprocs > 2) { cerr << "parallel_laplace_smooth test can only be run with 1 or 2 processors" << std::endl; return 0; }
const int debug=0; // 1,2,3 for more debug info
if (debug)
{
MsqDebug::enable(1);
if (debug > 1) MsqDebug::enable(2);
if (debug > 2) MsqDebug::enable(3);
}
/* create processor-specific file names */
ostringstream in_name, out_name, gold_name;
in_name << VTK_3D_DIR << "par_original_hex_mesh." << nprocs << "." << rank << ".vtk";
gold_name << VTK_3D_DIR << "par_smoothed_hex_mesh." << nprocs << "." << rank << ".vtk";
out_name << "par_smoothed_hex_mesh." << nprocs << "." << rank << ".vtk";
/* load different mesh files on each processor */
Mesquite::MsqError err;
Mesquite::MeshImpl mesh;
mesh.read_vtk(in_name.str().c_str(), err);
if (err) {cerr << err << endl; return 1;}
/* create parallel mesh instance, specifying tags
* containing parallel data */
Mesquite::ParallelMeshImpl parallel_mesh(&mesh, "GLOBAL_ID", "PROCESSOR_ID");
Mesquite::ParallelHelperImpl helper;
helper.set_communicator(MPI_COMM_WORLD);
helper.set_parallel_mesh(¶llel_mesh);
parallel_mesh.set_parallel_helper(&helper);
/* do Laplacian smooth */
LaplaceWrapper optimizer;
optimizer.set_vertex_movement_limit_factor(1.e-10);
optimizer.set_iteration_limit(2000);
optimizer.enable_culling(false);
optimizer.run_instructions(¶llel_mesh, err);
if (err) {cerr << err << endl; return 1; }
/* write mesh */
mesh.write_vtk(out_name.str().c_str(),err);
if (err) {cerr << err << endl; return 1;}
/* compare mesh with gold copy */
MeshImpl gold;
gold.read_vtk(gold_name.str().c_str(),err);
if (err) {cerr << err << endl; return 1;}
bool do_print=true;
double tol = 1.e-4;
bool diff = MeshUtil::meshes_are_different(mesh, gold, err, tol, do_print);
if (err) {cerr << err << endl; return 1;}
if (diff) {cerr << "Error, computed mesh different from gold copy" << std::endl; return 1;}
print_timing_diagnostics(cout);
MPI_Finalize();
return 0;
}
int main(int argc, char* argv[])
{
Mesquite::MsqPrintError err(cout);
const char* file_name = MESH_FILES_DIR "3D/vtk/hexes/untangled/large_box_hex_1000.vtk";
double OF_value = 0.;
if (argc == 1)
{
cerr << "Warning: No file specified, using default: " << file_name << endl;
}
if (argc > 1)
{
file_name = argv[1];
}
if (argc > 2)
{
char* end_ptr;
OF_value = strtod( argv[2], &end_ptr );
if (!*argv[2] || *end_ptr)
usage();
}
if (argc > 3)
{
usage();
}
Mesquite::MeshImpl mesh;
mesh.read_vtk(file_name, err);
if (err) return 1;
// creates an intruction queue
InstructionQueue queue1;
// creates a mean ratio quality metric ...
// SmoothnessQualityMetric* mean_ratio = new EdgeLengthQualityMetric;
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);
// ... and builds an objective function with it
LPtoPTemplate obj_func(&mean_ratio, 1, err);
if (err) return 1;
// creates the steepest descentfeas newt optimization procedures
// ConjugateGradient* pass1 = new ConjugateGradient( obj_func, err );
FeasibleNewton pass1( &obj_func );
pass1.use_global_patch();
if (err) return 1;
QualityAssessor stop_qa=QualityAssessor(&mean_ratio);
// **************Set stopping criterion****************
TerminationCriterion tc_inner;
if (OF_value!=0) {
tc_inner.add_absolute_quality_improvement( OF_value );
pass1.set_inner_termination_criterion(&tc_inner);
}
TerminationCriterion tc_outer;
tc_outer.add_iteration_limit( 1 );
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;
//mesh.write_vtk("original_mesh",err); MSQ_CHKERR(err);
// launches optimization on mesh_set1
queue1.run_instructions(&mesh, err);
if (err) return 1;
//mesh.write_vtk("smoothed_mesh", err); MSQ_CHKERR(err);
print_timing_diagnostics( cout );
return 0;
}
void test_get_geometric_dimension()
{
int d = mMesh->get_geometric_dimension(mErr);
CPPUNIT_ASSERT_EQUAL(d,3);
}
