plot 'kurve1.dat', 'kurve2.dat' # mehrere Kurven übereinander plotten plot 'kurve.dat' w l # with lines set yrange[0:1] set xrange[0:0.2] set grid replot
http://alpine.suiri.tsukuba.ac.jp/~asanuma/gnuplot++/
ggf. braucht man (unter Linux) das dev-paket von Gnuplot (inkludieren der "gnuplotpp.h")
http://www.duke.edu/~hpgavin/gnuplot.html (Tutorial)
http://userpage.fu-berlin.de/~voelker/gnuplotkurs/gnuplotkurs.html (Grundkurs)
class GNUplot
{
public:
GNUplot() throw(string);
~GNUplot();
void operator ()(const string& command);
// send any command to gnuplot
protected:
FILE *gnuplotpipe;
};
GNUplot::GNUplot() throw(string)
{
gnuplotpipe=popen("gnuplot","w");
if (!gnuplotpipe) {
throw("Gnuplot not found !");
}
}
GNUplot::~GNUplot()
{
fprintf(gnuplotpipe,"exit\n");
pclose(gnuplotpipe);
}
void GNUplot::operator() (const string& command)
{
fprintf(gnuplotpipe,"%s\n",command.c_str());
fflush(gnuplotpipe);
// flush is necessary, nothing gets plotted else
};
...
GNUplot plotter;
plotter("plot 'data.dat'");
cout << "Press 'q' + <enter> to quit" << endl;
char a;
cin >> a;