本文整理汇总了C++中Tr::finite_vertices_end方法的典型用法代码示例。如果您正苦于以下问题：C++ Tr::finite_vertices_end方法的具体用法？C++ Tr::finite_vertices_end怎么用？C++ Tr::finite_vertices_end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类Tr的用法示例。
在下文中一共展示了Tr::finite_vertices_end方法的1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: vtk_file
bool write_c3t3_to_vtk_xml_file(const C3t3 &c3t3, const std::string &file_name)
{
typedef typename C3t3::Triangulation Tr;
typedef typename C3t3::Cells_in_complex_iterator Cell_iterator;
typedef typename Tr::Finite_vertices_iterator Vertex_iterator;
// Domain
typedef Exact_predicates_inexact_constructions_kernel K;
typedef K::FT FT;
typedef K::Point_3 Point;
// check that file extension is "vtu"
CGAL_assertion(file_name.substr(file_name.length()-4,4) == ".vtu");
// open file
std::ofstream vtk_file(file_name.c_str());
// header
vtk_file << "<VTKFile type=\"UnstructuredGrid\" ";
vtk_file << "version=\"0.1\" ";
vtk_file << "byte_order=\"BigEndian\">" << std::endl;
int indent_size = 2;
std::string indent_unit(indent_size, ' ');
std::string indent = indent_unit;
vtk_file << indent + "<UnstructuredGrid>" << std::endl;
// write mesh
Tr t = c3t3.triangulation();
int num_vertices = t.number_of_vertices();
int num_cells = c3t3.number_of_cells_in_complex();
indent += indent_unit;
vtk_file << indent + "<Piece NumberOfPoints=\"" << num_vertices << "\" ";
vtk_file << "NumberOfCells=\"" << num_cells << "\">" << std::endl;
// Write vertices
indent += indent_unit;
vtk_file << indent + "<Points>" << std::endl;
indent += indent_unit;
vtk_file << indent;
vtk_file << "<DataArray type=\"Float32\" NumberOfComponents=\"3\" Format=\"ascii\">" << std::endl;
std::map<Point, int> V;
int i=0;
indent += indent_unit;
for (Vertex_iterator it=t.finite_vertices_begin(); it != t.finite_vertices_end(); ++it)
{
vtk_file << indent;
vtk_file << it->point().x() << " " << it->point().y() << " " << it->point().z() << std::endl;
V[it->point()] = i;
++i;
}
indent.erase(indent.length()-indent_size, indent_size);
vtk_file << indent + "</DataArray>" << std::endl;
indent.erase(indent.length()-indent_size, indent_size);
vtk_file << indent + "</Points>" << std::endl;
// Write tetrahedra
vtk_file << indent << "<Cells>" << std::endl;
indent += indent_unit;
vtk_file << indent;
vtk_file << "<DataArray type=\"Int32\" Name=\"connectivity\" Format=\"ascii\">";
vtk_file << std::endl;
indent += indent_unit;
Cell_iterator it;
for (it = c3t3.cells_in_complex_begin(); it != c3t3.cells_in_complex_end(); ++it)
{
const typename Tr::Cell c(*it);
const typename Tr::Vertex_handle v0 = c.vertex(0);
const typename Tr::Vertex_handle v1 = c.vertex(1);
const typename Tr::Vertex_handle v2 = c.vertex(2);
const typename Tr::Vertex_handle v3 = c.vertex(3);
vtk_file << indent;
vtk_file << V[v0->point()] << " ";
vtk_file << V[v1->point()] << " ";
vtk_file << V[v2->point()] << " ";
vtk_file << V[v3->point()] << std::endl;
}
indent.erase(indent.length()-indent_size, indent_size);
vtk_file << indent + "</DataArray>" << std::endl;
// offsets
// every element is a four node tetrahedron so all offsets are multiples of 4
vtk_file << indent;
vtk_file << "<DataArray type=\"Int32\" Name=\"offsets\" Format=\"ascii\">";
vtk_file << std::endl;
i = 4;
indent += indent_unit;
for (it = c3t3.cells_in_complex_begin(); it != c3t3.cells_in_complex_end(); ++it)
{
vtk_file << indent << i << std::endl;
//.........这里部分代码省略.........