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C++ MeshImpl::get_all_vertices方法代码示例

本文整理汇总了C++中mesquite::MeshImpl::get_all_vertices方法的典型用法代码示例。如果您正苦于以下问题:C++ MeshImpl::get_all_vertices方法的具体用法?C++ MeshImpl::get_all_vertices怎么用?C++ MeshImpl::get_all_vertices使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在mesquite::MeshImpl的用法示例。


在下文中一共展示了MeshImpl::get_all_vertices方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: main

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);
}
开发者ID:bddavid,项目名称:mesquite,代码行数:61,代码来源:main.cpp

示例2: main

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);
//.........这里部分代码省略.........
开发者ID:00liujj,项目名称:trilinos,代码行数:101,代码来源:main.cpp


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