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C++ Polyhedron::get_facets方法代码示例

本文整理汇总了C++中Polyhedron::get_facets方法的典型用法代码示例。如果您正苦于以下问题:C++ Polyhedron::get_facets方法的具体用法?C++ Polyhedron::get_facets怎么用?C++ Polyhedron::get_facets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Polyhedron的用法示例。


在下文中一共展示了Polyhedron::get_facets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: to_vrml

/// Sends this polyhedron to the specified stream using VRML
void Polyhedron::to_vrml(std::ostream& out, const Polyhedron& p, Vector3 diffuse_color, bool wireframe)
{
  const unsigned X = 0, Y = 1, Z = 2;
  
  // get the vertices and the facets
  const std::vector<Vector3>& vertices = p.get_vertices();
  const std::vector<IndexedTri>& facets = p.get_facets();

  out << "Shape {" << std::endl;
  out << "  appearance Appearance { material Material { diffuseColor " << diffuse_color[0] << " " << diffuse_color[1] << " " << diffuse_color[2] << " } }" << std::endl;
  out << "  geometry ";
  if (!wireframe)
    out << "IndexedFaceSet {" << std::endl;
  else
    out << "IndexedLineSet {" << std::endl;
  out << "    coord Coordinate { point [ ";
  for (unsigned i=0; i< vertices.size(); i++)
    out << vertices[i][X] << " " << vertices[i][Y] << " " << vertices[i][Z] << ", ";
  out << " ] }" << std::endl;
  out << "    coordIndex [ ";
  if (!wireframe)
    for (unsigned i=0; i< facets.size(); i++)
      out << facets[i].a << " " << facets[i].b << " " << facets[i].c << " -1, ";
  else
    for (unsigned i=0; i< facets.size(); i++)
      out << facets[i].a << " " << facets[i].b << " " << facets[i].c << " " << facets[i].a << " -1, ";  
  out << " ] } }" << std::endl;
}
开发者ID:erwincoumans,项目名称:Moby,代码行数:29,代码来源:Polyhedron.cpp

示例2:

static void write_poly2(const Polyhedron& p, std::ostream& out)
{
  const unsigned X = 0, Y = 1, Z = 2;
 
  const vector<Vector3>& v = p.get_mesh().get_vertices();
  for (unsigned i=0; i< v.size(); i++)
  {
    out << "Transform {" << std::endl;
    out << "  translation " << v[i][0] << " " << v[i][1] << " " << v[i][2] << std::endl;
    out << "  scale 0.1 0.1 0.1" << std::endl;
    out << "  children Shape { " << std::endl;
    out << "    geometry Text { " << std::endl;
    out << "      string \"" << i << "\"" << std::endl;
    out << "      } } }" << std::endl;
  }
 
  // get the vertices and the facets
  const std::vector<Vector3>& vertices = p.get_vertices();
  const std::vector<IndexedTri>& facets = p.get_facets();

  // first write the consistent edges
  out << "Shape {" << std::endl;
  out << "  appearance Appearance { material Material { diffuseColor 1 1 1 } }" << std::endl;
  out << "  geometry ";
  out << "IndexedLineSet {" << std::endl;
  out << "    coord Coordinate { point [ ";
  for (unsigned i=0; i< vertices.size(); i++)
    out << vertices[i][X] << " " << vertices[i][Y] << " " << vertices[i][Z] << ", ";
  out << " ] }" << std::endl;
  out << "    coordIndex [ ";
  for (unsigned i=0; i< facets.size(); i++)
  {
    if (consistent(facets, facets[i].a, facets[i].b))
      out << facets[i].a << " " << facets[i].b << " -1, ";
    if (consistent(facets, facets[i].b, facets[i].c))
      out << facets[i].b << " " << facets[i].c << " -1, ";
    if (consistent(facets, facets[i].a, facets[i].c))
      out << facets[i].a << " " << facets[i].c << " -1, ";
  }
  out << " ] } }" << std::endl;

  // now write the inconsistent edges
  std::set<pair<unsigned, unsigned> > marked;
  out << "Shape {" << std::endl;
  out << "  appearance Appearance { material Material { diffuseColor 1 0 0 } }" << std::endl;
  out << "  geometry ";
  out << "IndexedLineSet {" << std::endl;
  out << "    coord Coordinate { point [ ";
  for (unsigned i=0; i< vertices.size(); i++)
    out << vertices[i][X] << " " << vertices[i][Y] << " " << vertices[i][Z] << ", ";
  out << " ] }" << std::endl;
  out << "    coordIndex [ ";
  for (unsigned i=0; i< facets.size(); i++)
  {
    if (marked.find(make_pair(facets[i].a, facets[i].b)) == marked.end() && 
        !consistent(facets, facets[i].a, facets[i].b))
    {
      out << facets[i].a << " " << facets[i].b << " -1, ";
      marked.insert(make_pair(facets[i].a, facets[i].b));
std::cout << "edge: " << facets[i].a << " " << facets[i].b << std::endl;
    }
    if (marked.find(make_pair(facets[i].b, facets[i].c)) == marked.end() && 
        !consistent(facets, facets[i].b, facets[i].c))
    {
      out << facets[i].b << " " << facets[i].c << " -1, ";
      marked.insert(make_pair(facets[i].b, facets[i].c));
std::cout << "edge: " << facets[i].b << " " << facets[i].c << std::endl;
    }
    if (marked.find(make_pair(facets[i].a, facets[i].c)) == marked.end() && 
        !consistent(facets, facets[i].a, facets[i].c))
    {
      out << facets[i].a << " " << facets[i].c << " -1, ";
      marked.insert(make_pair(facets[i].a, facets[i].c));
std::cout << "edge: " << facets[i].a << " " << facets[i].c << std::endl;
    }
  }
  out << " ] } }" << std::endl;
}
开发者ID:erwincoumans,项目名称:Moby,代码行数:78,代码来源:Polyhedron.cpp


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