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

Prison Break Season 4 Ep 2 Better [top] Jun 2026

Offers dark comic relief and a shifting dynamic from villain to desperate ally. The Tech Specialist

: The episode showcases the "intricate plans" that fans loved from Season 1, but applied to a heist. Watching the group coordinate a mock car crash and a staged robbery to plant a tracking device reflects the strategic genius that defined the show's early success. Character Redemption and New Alliances

", serves as the true "proof of concept" for this new direction. It transitions the brothers from fugitives into an elite government-backed task force, effectively turning the show into a high-octane heist drama.

Providing tactical support and street-smart execution. prison break season 4 ep 2 better

Recommendation:

Here is an in-depth analysis of why "Breaking & Entering" outperforms the season premiere and breathes new life into the franchise. Shifting from Chaos to Structured Momentum

In the premiere, Michael Scofield operates largely on raw emotion, fueled by vengeance against Gretchen and The Company for Sara’s supposed death. It is a reactionary episode for him. Offers dark comic relief and a shifting dynamic

To understand why Episode 2 is better, you must first look at the burdens placed on Episode 1. The Season 4 premiere had a massive checklist to clear. It had to explain how the characters escaped Panama, resolve the cliffhanger of Sara Tancredi’s tracking, bring the ensemble back together from opposite sides of the globe, and introduce Don Self’s NSA task force.

The episode utilizes classic Prison Break tropes but updates them for the late-2000s tech era. Instead of chipping away at concrete walls with a spoon, the team has to position a digital data-sniffer within 10 feet of a moving target. The execution of the heist delivers peak suspense:

: Bellick’s transition from a villainous guard to a contributing team member begins to take shape here, adding a layer of unexpected camaraderie. Mahone’s Personal Stakes Character Redemption and New Alliances ", serves as

Conversely, Free from the baggage of explaining how the characters got there, Episode 2 dives straight into the action. It establishes the central engine of Season 4: the high-tech heist to steal Scylla, the Company’s black book. The Return of the Ultimate Fox River Chemistry

In conclusion, "Breaking and Entering" is the engine room of Season 4. It successfully resets the stakes, introduces a formidable MacGuffin in Scylla, and redefines the show’s genre. It transitioned Prison Break

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
}