Esempi in C++ (Cpp) per Cycle::getEdge

Esempio n. 1

File: molecule_layout_graph_assign.cpp Progetto: cambDI/camb

void MoleculeLayoutGraph::_assignFirstCycle (const Cycle &cycle)
{
   // TODO: Start drawing from vertex with maximum code and continue to the right with one of two which has maximum code
   int i, n;
   float phi;

   n = cycle.vertexCount();

   for (i = 0; i < n; i++)
   {
      _layout_vertices[cycle.getVertex(i)].type = ELEMENT_BOUNDARY;
      _layout_edges[cycle.getEdge(i)].type = ELEMENT_BOUNDARY;
   }

   _first_vertex_idx = cycle.getVertex(0);

   _layout_vertices[cycle.getVertex(0)].pos.set(0.f, 0.f);
   _layout_vertices[cycle.getVertex(1)].pos.set(1.f, 0.f);

   phi = (float)M_PI * (n - 2) / n;

   for (i = 1; i < n - 1; i++)
   {
      const Vec2f &v1 = _layout_vertices[cycle.getVertex(i - 1)].pos;
      const Vec2f &v2 = _layout_vertices[cycle.getVertex(i)].pos;

      _layout_vertices[cycle.getVertex(i + 1)].pos.rotateAroundSegmentEnd(v1, v2, phi);
   }
}

Esempio n. 2

File: molecule_layout_graph_border.cpp Progetto: mojca/indigo

// Split border in two parts by two vertices
void MoleculeLayoutGraph::_splitBorder (int v1, int v2, Array<int> &part1v, Array<int> &part1e, Array<int> &part2v, Array<int> &part2e) const
{
   Cycle border;

   _getBorder(border);

   int idx1 = border.findVertex(v1);
   int idx2 = border.findVertex(v2);
   int i;

   if (idx1 == -1 || idx2 == -1)
      throw Error("border division by non-boundary vertex");

   if (idx1 > idx2)
      __swap(idx1, idx2, i);

   part1v.clear();
   part1e.clear();
   part2v.clear();
   part2e.clear();

   for (i = idx1; i < idx2 + 1; i++)
   {
      part1v.push(border.getVertex(i));
      part1e.push(border.getEdge(i));
   }
   
   part1e.pop(); // edge count is less

   for (i = idx2; i < border.vertexCount(); i++)
   {
      part2v.push(border.getVertex(i));
      part2e.push(border.getEdge(i));
   }

   for (i = 0; i < idx1 + 1; i++)
   {
      part2v.push(border.getVertex(i));
      part2e.push(border.getEdge(i));
   }

   part2e.pop(); // edge count is less
}