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).

Download

Documentation

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

Example 1

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The film received mixed reviews, but one thing everyone agreed on was . Critics noted that while the plot felt familiar, Mahesh Babu's "mass" avatar and his chemistry with Sreeleela during the dance sequences were the highlights.

The highly anticipated collaboration between "Superstar" and director Trivikram Srinivas , Guntur Kaaram (2024), has been a major talking point since its Sankranti release. While many users look for unofficial downloads on sites like Filmywap or Filmy4wap , the safest and highest quality way to experience this mass entertainer is through official channels. How to Watch Guntur Kaaram Legally

These web domains frequently redirect users to fraudulent pages designed to steal personal information, tracking data, or financial credentials. The film received mixed reviews, but one thing

These are not legitimate streaming services. Instead, they are notorious "torrent" and "piracy" websites that operate in a legal gray area (or outright illegal space) to distribute copyrighted content without permission from the creators. In the case of Guntur Kaaram , the film was unfortunately leaked online in high-definition quality on these very sites just hours after its theatrical release. A quick investigation into the keyword reveals that these sites are part of a larger network of platforms like Filmyzilla, Movierulz, and Tamilrockers, all of which serve the same purpose: to provide unauthorized downloads of movies, often in various formats (MP4, MKV) and resolutions (480p, 720p, 1080p).

Following its theatrical window, Guntur Kaaram secured official digital streaming rights on Netflix . Subscribed users can stream the movie in multiple audio languages (including Telugu, Hindi, Tamil, Malayalam, and Kannada) with high-definition video and official subtitles. While many users look for unofficial downloads on

: You can buy or rent movies through Google Play Movies, iTunes, or Amazon Video. This way, you're supporting the creators and accessing content legally.

These are notorious torrent and piracy websites known for uploading copyrighted material illegally shortly after its release. Instead, they are notorious "torrent" and "piracy" websites

The desire to download a movie for free comes at a tremendous cost. Piracy is not a victimless crime; it inflicts deep, systemic damage on the entire film industry.

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Directed by a renowned filmmaker, "Guntur Kaaram" promises to be an action-packed, drama-filled extravaganza that will keep you on the edge of your seat. With a talented cast, stunning visuals, and a gripping storyline, this movie is expected to shatter box office records. The film's makers have spared no expense in creating an immersive experience, complete with breathtaking action sequences, soul-stirring music, and heartwarming emotional moments.

Major Indian blockbusters securely transition from theatrical runs to premium subscription video-on-demand (SVOD) platforms. Check major legal providers like Netflix, Amazon Prime Video, or Disney+ Hotstar to see regional availability.

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
}