This interface allows gnuplot to be controlled from C++ and is designed to be the lowest hanging fruit. In other words, if you know how gnuplot works it should only take 30 seconds to learn this library. Basically it is just an iostream pipe to gnuplot with some extra functions for pushing data arrays and getting mouse clicks. Data sources include STL containers (eg. vector), Blitz++, and armadillo. You can use nested data types like std::vector<std::vector<std::pair<double, double>>> (as well as even more exotic types). Support for custom data types is possible.

This is a low level interface, and usage involves manually sending commands to gnuplot using the "<<" operator (so you need to know gnuplot syntax). This is in my opinion the easiest way to do it if you are already comfortable with using gnuplot. If you would like a more high level interface check out the gnuplot-cpp library (http://code.google.com/p/gnuplot-cpp).

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Documentation

Documentation is available [here] but also you can look at the example programs (starting with "example-misc.cc").

Example 1

Jomonte | Suvisheshangal Tamil

The film was released in Telugu as Andamaina Jeevitham and has also been made available for Tamil audiences through various streaming platforms and television broadcasts. Cast and Crew Jomon T. Vincent Dulquer Salmaan Vincent (Jomon’s Father) Vaidehi Perumal Aishwarya Rajesh Anupama Parameswaran Mushtaq (Jomon’s Friend) Jacob Gregory Director: Sathyan Anthikad Music: Vidyasagar Why It’s a Must-Watch

The keyword "" is often searched by fans looking for the Tamil-dubbed version or exploring the film’s deep ties to Tamil culture: jomonte suvisheshangal tamil

The veteran Tamil comedian plays a pivotal role as Aishwarya Rajesh’s father. The film was released in Telugu as Andamaina

Known for Tamil hits like O Kadhal Kanmani . Known for Tamil hits like O Kadhal Kanmani

The film is celebrated for its and its realistic portrayal of the father-son bond. Critics highlighted the chemistry between Dulquer and Mukesh as the soul of the movie. While some found the plot predictable, the emotional core and the message of resilience—"hard work and humility stay grounded regardless of success"—remain timeless.

The story follows Jomon (Dulquer Salmaan), the carefree and irresponsible youngest son of self-made business tycoon Vincent (Mukesh) in Thrissur. Jomon spends his days living a luxurious life on his father's hard-earned wealth until a sudden financial catastrophe strikes, stripping the family of their property and status.

While his more "responsible" siblings distance themselves during the crisis, Jomon steps up to care for his father. The narrative shifts to , where Jomon and Vincent attempt to rebuild their lives from scratch. In this new environment, Jomon transforms from a spoiled youth into a hardworking entrepreneur, aided by Vaidehi (Aishwarya Rajesh), a grounded accountant who becomes his pillar of support. The Tamil Connection

Example 2

// Demo of sending data via temporary files.  The default is to send data to gnuplot directly
// through stdin.
//
// Compile it with:
//   g++ -o example-tmpfile example-tmpfile.cc -lboost_iostreams -lboost_system -lboost_filesystem

#include <map>
#include <vector>
#include <cmath>

#include "gnuplot-iostream.h"

int main() {
	Gnuplot gp;

	std::vector<std::pair<double, double> > xy_pts_A;
	for(double x=-2; x<2; x+=0.01) {
		double y = x*x*x;
		xy_pts_A.push_back(std::make_pair(x, y));
	}

	std::vector<std::pair<double, double> > xy_pts_B;
	for(double alpha=0; alpha<1; alpha+=1.0/24.0) {
		double theta = alpha*2.0*3.14159;
		xy_pts_B.push_back(std::make_pair(cos(theta), sin(theta)));
	}

	gp << "set xrange [-2:2]\nset yrange [-2:2]\n";
	// Data will be sent via a temporary file.  These are erased when you call
	// gp.clearTmpfiles() or when gp goes out of scope.  If you pass a filename
	// (e.g. "gp.file1d(pts, 'mydata.dat')"), then the named file will be created
	// and won't be deleted (this is useful when creating a script).
	gp << "plot" << gp.file1d(xy_pts_A) << "with lines title 'cubic',"
		<< gp.file1d(xy_pts_B) << "with points title 'circle'" << std::endl;

#ifdef _WIN32
	// For Windows, prompt for a keystroke before the Gnuplot object goes out of scope so that
	// the gnuplot window doesn't get closed.
	std::cout << "Press enter to exit." << std::endl;
	std::cin.get();
#endif
}