IndexArrayPtr PGL::determine_faces_from_edges(const Point2ArrayPtr& points, const std::vector<std::pair<uint32_t, uint32_t> >& edges) { typedef Wm5::PlanarGraph<Vector2> Graph; Graph graph; int i = 0; for (Point2Array::const_iterator it = points->begin(); it != points->end(); ++it) graph.InsertVertex(*it,i++); for (std::vector<std::pair<uint32_t, uint32_t> >::const_iterator itedge = edges.begin(); itedge != edges.end(); ++itedge) graph.InsertEdge(itedge->first,itedge->second); std::vector<Graph::Primitive*> mPrimitives; graph.ExtractPrimitives(mPrimitives); IndexArrayPtr result(new IndexArray()); for (std::vector<Graph::Primitive*>::const_iterator itPrim = mPrimitives.begin(); itPrim != mPrimitives.end(); ++itPrim){ if ((*itPrim)->Type == Graph::PT_MINIMAL_CYCLE){ Index lresult; for (std::vector<std::pair<Vector2,int> >::const_iterator itSequence = (*itPrim)->Sequence.begin(); itSequence != (*itPrim)->Sequence.end(); ++itSequence) lresult.push_back(itSequence->second); result->push_back(lresult); } } return result; }
int main() { _CrtSetDbgFlag(_CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF); Graph<string, string> g; g.InsertVertex("Anchorage"); g.InsertVertex("Eagle River"); g.InsertVertex("Old Glenn - AK HWY 1 - AK HWY 3 JCT"); g.InsertVertex("Wasilla"); g.InsertVertex("Palmer"); g.InsertVertex("Talkeetna"); g.InsertVertex("Fairbanks"); g.InsertEdge("Anchorage", "Eagle River", "Old Glenn Hwy", 16); g.InsertEdge("Eagle River", "Old Glenn - AK HWY 1 - AK HWY 3 JCT", "Old Glenn", 19); g.InsertEdge("Old Glenn - AK HWY 1 - AK HWY 3 JCT", "Palmer", "HWY 1", 6); g.InsertEdge("Old Glenn - AK HWY 1 - AK HWY 3 JCT", "Wasilla", "HWY 3", 8); g.InsertEdge("Wasilla", "Talkeetna", "HWY 3", 70); g.InsertEdge("Talkeetna", "Fairbanks", "HWY 3", 300); /*try { g.InsertEdge("Anchorage", "Eagle River", "Old Glenn Hwy", 16); } catch (Exception e) { cout << e << endl; }*/ /*Graph<string, string> copy(g); Graph<string, string> equal; equal = g;*/ cout << "Depth:" << endl; g.DepthFirst(&Print); cout << "\nBreadth:" << endl; g.BreadthFirst(&Print); g.DeleteVertex("Fairbanks"); try { cout << "Invalid Delete" << endl; g.DeleteVertex("Fairbanks"); } catch (Exception e) { cout << e << endl; } cout << "\nBreadth after Delete Vertex Fairbanks:" << endl; g.BreadthFirst(&Print); g.DeleteEdge("Old Glenn - AK HWY 1 - AK HWY 3 JCT", "Wasilla", "HWY 3", 8); cout << "\nDepth after Delete Edge:" << endl; g.DepthFirst(&Print); return 0; }
int main() { Graph head; std::cout << &head << std::endl; std::cout << head.InsertVertex('a')->GetName() << std::endl; std::cout << head.InsertVertex('b')->GetName() << std::endl; std::cout << head.InsertVertex('c')->GetName() << std::endl; std::cout << head.InsertVertex('d')->GetName() << std::endl; std::cout << head.GetFirstVertex()->GetName() << std::endl; std::cout << head.InsertEdge('a', 'b')->GetName() << std::endl; std::cout << head.InsertEdge('a', 'c')->GetName() << std::endl; std::cout << head.InsertEdge('a', 'd')->GetName() << std::endl; std::cout << head.InsertEdge('b', 'a')->GetName() << std::endl; std::cout << head.DeleteEdge('b', 'a') << std::endl; std::cout << head.DeleteEdge('a', 'b') << std::endl; std::cout << head.DeleteEdge('a', 'c') << std::endl; std::cout << head.DeleteEdge('a', 'd') << std::endl; std::cout << head.DeleteVertex('b') << std::endl; std::cout << head.DeleteVertex('c') << std::endl; std::cout << head.DeleteVertex('d') << std::endl; return 0; }
int main() { Test b; b.Run(); Graph<char, int> a; a.InsertNode('A'); a.InsertNode('B'); a.InsertNode('C'); a.InsertNode('D'); a.InsertNode('E'); a.InsertEdge('A','B',4,1); a.InsertEdge('A','C',3,1); a.InsertEdge('B','C',1,1); a.InsertEdge('D','A',6,1); a.InsertEdge('B','A',4,1); a.InsertEdge('C','E',10,1); a.InsertEdge('E','D',2,1); a.Print(); Dijkstra(a,'A','E'); return 0; }
int main(int argc, char** argv) { Graph graph; graph.InsertEdge("A", "B"); graph.InsertEdge("A", "C"); graph.InsertEdge("B", "D"); graph.Print(); Search search; search.Initialize(graph); search.Bfs(graph, "A"); for (unordered_map<string, string>::iterator item = search.parents_.begin(); item != search.parents_.end(); ++item) cout << item->first << ":" << item->second << endl; search.Initialize(graph); search.Dfs(graph, "A"); for (unordered_map<string, string>::iterator item = search.parents_.begin(); item != search.parents_.end(); ++item) cout << item->first << ":" << item->second << endl; return 0; }
/********************************************************************** * Purpose: Reads file and inserts info into Graph graph * Primes all the data. If success, return true. * Entry: string file, Graph<string, string> & graph * Exit: returns true if successful. ************************************************************************/ bool ReadFile(const string & file, Graph<string, string> & graph) { ifstream map(file.c_str()); bool valid = false; if (map.is_open()) { valid = true; while (!map.eof()) { string orig, dest, hwy; int weight = 0; getline(map, orig, ','); getline(map, dest, ','); getline(map, hwy, ','); map >> weight; map.get(); // for end line try { graph.InsertVertex(orig); } catch (Exception e) { //cout << e << endl; } try { graph.InsertVertex(dest); } catch (Exception e) { //cout << e << endl; } graph.InsertEdge(orig, dest, hwy, weight); } map.close(); }
void InsertEdges(Graph<string, string>& g) { try { g.InsertEdge("Anchorage", "Eagle River", "Old Glenn Hwy", 16); g.InsertEdge("Eagle River", "Old Glenn - AK HWY 1 - AK HWY 3 JCT", "Old Glenn", 19); g.InsertEdge("Old Glenn - AK HWY 1 - AK HWY 3 JCT", "Palmer", "HWY 1", 6); g.InsertEdge("Old Glenn - AK HWY 1 - AK HWY 3 JCT", "Wasilla", "HWY 3", 8); g.InsertEdge("Wasilla", "Talkeetna", "HWY 3", 70); g.InsertEdge("Talkeetna", "Fairbanks", "HWY 3", 300); } catch (Exception e) { cout << e; } }
void Load(Graph& mGraph, vector<Graph::Primitive*>& mPrimitives) { // std::string path = Environment::GetPathR("tri.txt"); //std::ifstream inFile(path.c_str()); ifstream inFile("./PlanarGraph.txt"); //ofstream verify; //verify.open("verify.txt",ios::out|ios::app); int numVertices; inFile >> numVertices; //verify<< numVertices<<"\n"; int i; for (i = 0; i < numVertices; ++i) { double x, y; inFile >> x; inFile >> y; // verify<< x <<"\t"<< y <<"\n"; //y = GetHeight() - 1 - y; mGraph.InsertVertex(Vec2(x, y), i); } int numEdges; inFile >> numEdges; //verify<< numEdges<<"\n"; for (i = 0; i < numEdges; ++i) { int v0, v1; inFile >> v0; inFile >> v1; // verify<< v0 <<"\t"<< v1 <<"\n"; mGraph.InsertEdge(v0, v1); } #ifdef EXTRACT_PRIMITIVES mGraph.ExtractPrimitives(mPrimitives); #endif }