void exercicio1(){
GraphViewer *gv = new GraphViewer(600, 600, true);
gv->createWindow(600, 600);
gv->defineVertexColor("blue");
gv->defineEdgeColor("black");
gv->addNode(0);
gv->addNode(1);
gv->addEdge(0, 0, 1, EdgeType::UNDIRECTED);
Sleep(100); // use sleep(1) in linux ; Sleep(100) on Windows
gv->removeEdge(0);
gv->removeNode(1);
gv->addNode(2);
gv->rearrange();
Sleep(100);
gv->addEdge(1, 0, 2, EdgeType::UNDIRECTED);
gv->setVertexLabel(0, "Isto e um no");
gv->setEdgeLabel(1, "Isto e uma aresta");
gv->setVertexColor(2, "green");
gv->setEdgeColor(1, "yellow");
gv->rearrange();
}
void printGraph(const Graph<NodeInfo> &graph, const vector<int> &path, const vector<int> &stations)
{
GraphViewer *gv = new GraphViewer(600, 600, false);
gv->createWindow(600, 600);
gv->defineVertexColor("black");
gv->defineEdgeColor("black");
vector<Vertex<NodeInfo> *> vertexSet = graph.getVertexSet();
for (size_t i = 0; i < vertexSet.size(); i++)
{
gv->addNode(vertexSet[i]->getInfo().id, vertexSet[i]->getInfo().x, vertexSet[i]->getInfo().y);
if (vertexSet[i]->getInfo().name == "house")
gv->setVertexColor(vertexSet[i]->getInfo().id, "red");
}
for (size_t i = 0; i < stations.size(); i++)
gv->setVertexColor(stations[i], "green");
int edgeID = 0;
vector<int> edges;
for (size_t i = 0; i < vertexSet.size(); i++)
{
vector<Edge<NodeInfo> > adj = vertexSet[i]->getAdjacentEdges();
for (size_t j = 0; j < adj.size(); j++)
{
int src = vertexSet[i]->getInfo().id;
int dst = adj[j].getDestination()->getInfo().id;
if (!edgeExists(edges, src, dst))
{
gv->addEdge(edgeID, src, dst, EdgeType::UNDIRECTED);
stringstream ss;
ss << adj[j].getWeight();
gv->setEdgeLabel(edgeID, ss.str());
edges.push_back(src);
edges.push_back(dst);
edgeID++;
}
}
}
if (path.size() != 0)
{
for (size_t i = 0; i < path.size() - 1; i+=2)
{
gv->addEdge(edgeID, path[i], path[i + 1], EdgeType::UNDIRECTED);
gv->setEdgeColor(edgeID, "green");
gv->setEdgeThickness(edgeID, 2);
edgeID++;
}
}
cin.clear();
cin.ignore(100, '\n');
cout << "\n\tPress enter to continue...";
cin.get();
gv->closeWindow();
delete(gv);
}
void exercicio1()
{
GraphViewer *gv = new GraphViewer(600, 600, true);
gv->setBackground("background.jpg");
gv->createWindow(600, 600);
gv->defineEdgeDashed(true);
gv->defineVertexColor("blue");
gv->defineEdgeColor("black");
gv->addNode(0);
gv->addNode(1);
gv->addEdge(0, 0, 1, EdgeType::UNDIRECTED);
Sleep(2000); // use sleep(1) in linux ; Sleep(2000) on Windows
gv->removeEdge(0);
gv->removeNode(1);
gv->addNode(2);
gv->rearrange();
Sleep(2000);
gv->addEdge(1, 0, 2, EdgeType::UNDIRECTED);
gv->defineEdgeCurved(false);
gv->setVertexLabel(0, "Isto e um no");
gv->setEdgeLabel(1, "Isto e uma aresta");
gv->setVertexColor(2, "green");
gv->setEdgeColor(1, "yellow");
gv->setVertexSize(2, 40);
gv->setVertexIcon(0, "icon.gif");
gv->setEdgeDashed(1, false);
gv->rearrange();
}
void exercicio2()
{
GraphViewer *gv = new GraphViewer(600, 600, false);
gv->createWindow(600, 600);
gv->defineEdgeColor("blue");
gv->defineVertexColor("yellow");
gv->addNode(0,300,50);
gv->addNode(1,318,58);
gv->addNode(4,300,100);
gv->addNode(7,282,58);
gv->addNode(2,325,75);
gv->addNode(3,318,93);
gv->addNode(6,275,75);
gv->addNode(5,282,93);
gv->addNode(8,150,200);
gv->setVertexColor(8, "green");
gv->setVertexColor(9, "blue");
gv->setVertexColor(10, "green");
gv->setVertexColor(11, "blue");
gv->setVertexColor(12, "green");
gv->setVertexColor(13, "green");
gv->addNode(9,300,200);
gv->addNode(10,450,200);
gv->addNode(11,300,400);
gv->addNode(12,200,550);
gv->addNode(13,400,550);
gv->addEdge(0, 0, 1, EdgeType::UNDIRECTED);
gv->addEdge(1, 1, 2, EdgeType::UNDIRECTED);
gv->addEdge(2, 2, 3, EdgeType::UNDIRECTED);
gv->addEdge(3, 3, 4, EdgeType::UNDIRECTED);
gv->addEdge(4, 4, 5, EdgeType::UNDIRECTED);
gv->addEdge(5, 5, 6, EdgeType::UNDIRECTED);
gv->addEdge(6, 6, 7, EdgeType::UNDIRECTED);
gv->addEdge(7, 7, 0, EdgeType::UNDIRECTED);
gv->addEdge(8, 4, 9, EdgeType::UNDIRECTED);
gv->addEdge(9, 9, 8, EdgeType::UNDIRECTED);
gv->addEdge(10, 9, 10, EdgeType::UNDIRECTED);
gv->addEdge(11, 9, 11, EdgeType::UNDIRECTED);
gv->addEdge(12, 11, 12, EdgeType::UNDIRECTED);
gv->addEdge(13, 11, 13, EdgeType::UNDIRECTED);
gv->rearrange();
bool first=true;
while(1)
{
Sleep(2000);
if (first)
{
gv->removeNode(12);
gv->removeNode(13);
first=false;
}
else
{
gv->removeNode(20);
gv->removeNode(21);
}
gv->addNode(14,250,550);
gv->addNode(15,350,550);
gv->addEdge(14, 11, 14, EdgeType::UNDIRECTED);
gv->addEdge(15, 11, 15, EdgeType::UNDIRECTED);
gv->rearrange();
Sleep(2000);
gv->removeNode(14);
gv->removeNode(15);
gv->addNode(16,300,550);
gv->addNode(17,300,550);
gv->addEdge(16, 11, 16, EdgeType::UNDIRECTED);
gv->addEdge(17, 11, 17, EdgeType::UNDIRECTED);
gv->rearrange();
Sleep(2000);
gv->removeNode(16);
gv->removeNode(17);
gv->addNode(18,250,550);
gv->addNode(19,350,550);
gv->addEdge(18, 11, 18, EdgeType::UNDIRECTED);
gv->addEdge(19, 11, 19, EdgeType::UNDIRECTED);
gv->rearrange();
Sleep(2000);
gv->removeNode(18);
gv->removeNode(19);
gv->addNode(20,200,550);
gv->addNode(21,400,550);
gv->addEdge(20, 11, 20, EdgeType::UNDIRECTED);
gv->addEdge(21, 11, 21, EdgeType::UNDIRECTED);
gv->rearrange();
}
}
void exercicio3()
{
GraphViewer *gv = new GraphViewer(600, 600, false);
gv->createWindow(600, 600);
gv->defineEdgeColor("blue");
gv->defineVertexColor("yellow");
ifstream inFile;
//Ler o ficheiro nos.txt
inFile.open("nos.txt");
if (!inFile) {
cerr << "Unable to open file datafile.txt";
exit(1); // call system to stop
}
std::string line;
int idNo=0;
int X=0;
int Y=0;
while(std::getline(inFile, line))
{
std::stringstream linestream(line);
std::string data;
linestream >> idNo;
std::getline(linestream, data, ';'); // read up-to the first ; (discard ;).
linestream >> X;
std::getline(linestream, data, ';'); // read up-to the first ; (discard ;).
linestream >> Y;
gv->addNode(idNo,X,Y);
}
inFile.close();
//Ler o ficheiro arestas.txt
inFile.open("arestas.txt");
if (!inFile) {
cerr << "Unable to open file datafile.txt";
exit(1); // call system to stop
}
int idAresta=0;
int idNoOrigem=0;
int idNoDestino=0;
while(std::getline(inFile, line))
{
std::stringstream linestream(line);
std::string data;
linestream >> idAresta;
std::getline(linestream, data, ';'); // read up-to the first ; (discard ;).
linestream >> idNoOrigem;
std::getline(linestream, data, ';'); // read up-to the first ; (discard ;).
linestream >> idNoDestino;
gv->addEdge(idAresta,idNoOrigem,idNoDestino, EdgeType::UNDIRECTED);
}
inFile.close();
gv->rearrange();
}
/**
* \brief Prints the given graph
* \param grafo Graph to be printed
*/
void showGraph(Graph<Localizacao> &grafo)
{
GraphViewer *gv = new GraphViewer(800, 800, true);
gv->createWindow(800, 800);
gv->defineVertexColor("blue");
gv->defineEdgeColor("black");
unsigned int id1, id2;
string s;
stringstream ss;
for (unsigned int i = 0; i < grafo.getVertexSet().size(); i++) {
id1 = grafo.getVertexSet()[i]->getInfo().getId();
s = grafo.getVertexSet()[i]->getInfo().getRua();
ss << 1;
gv->addNode(id1);
gv->setVertexLabel(id1, s + " " + ss.str());
if(grafo.getVertexSet()[i]->getInfo().getNome() == "Garagem")
gv->setVertexColor(id1,"red");
else if(grafo.getVertexSet()[i]->getInfo().getNome() == "Escola")
gv->setVertexColor(id1,"green");
ss.str("");
}
gv->rearrange();
for (unsigned int vert = 0; vert < grafo.getVertexSet().size(); vert++) {
for (unsigned int edge = 0; edge < grafo.getVertexSet()[vert]->getAdj().size(); edge++) {
id1 = grafo.getVertexSet()[vert]->getInfo().getId();
id2 = grafo.getVertexSet()[vert]->getAdj()[edge].getDest()->getInfo().getId();
if (grafo.getVertexSet()[vert]->path != NULL && grafo.getVertexSet()[vert]->path->getInfo().getId() == id2) {
gv->setEdgeColor(id1*1000 + id2, "green");
gv->setEdgeThickness(id1*1000 + id2, 5);
}
gv->addEdge(id1 * 1000 + id2, id1, id2, EdgeType::DIRECTED);
gv->setEdgeWeight(id1 * 1000 + id2, grafo.getVertexSet()[vert]->getAdj()[edge].getWeight());
ss.str("");
}
}
gv->rearrange();
#ifdef __linux__
sleep(1);
#else
Sleep(100); // use sleep(1) in linux ; Sleep(100) on Windows
#endif
}