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// main.cpp

// example of using Graphs.exe

// Build Options... -> Linker Settings -> Add, then input path to libGraph.a

#include <fstream>

#include <sstream>

#include <cstdlib>

#include <cmath>

#include "Graph.h"

using namespace std;

void createFermatSpiral(Graph & g, double step = 1)

{

// set name

ostringstream osstr;

osstr << "Fermat's spiral with step = " << step << endl;

g.setName(osstr.str());

// add points

g.clear();

for(double phi = 0; phi < 4 * M_PI; phi += step)

{

double r1 = sqrt( phi ), r2 = - r1;

g.push_back(r1 * cos(phi), r1 * sin(phi));

g.push_back(r2 * cos(phi), r2 * sin(phi));

}

void saveGraph(string filename, const Graph & g)

{

ofstream ofstr(filename.c_str());

ofstr << g;

}

int main()

{

Graph g;

createFermatSpiral(g, 1);

saveGraph("FermatSpiral1.txt", g);

createFermatSpiral(g, 0.5);

saveGraph("FermatSpiral2.txt", g);

createFermatSpiral(g, 0.25);

saveGraph("FermatSpiral3.txt", g);

system("start ..\\GraphViewer\\bin\\GraphViewer.exe\

FermatSpiral1.txt FermatSpiral2.txt FermatSpiral3.txt");

return 0;

}

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