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

Sample Business Plan In Ethiopia Amharic Pdf Jun 2026

When writing the financial section of your plan, you must address the following Ethiopian-specific factors:

በኢትዮጵያ የንግድ ሥራ ዕቅድ ለምን ያስፈልጋል?

ንግዱ ወጪውን አውጥቶ ትርፍ ማሳየት የሚጀምረው መቼ ነው? sample business plan in ethiopia amharic pdf

ይህ ክፍል ምንም እንኳ በሰነዱ መጀመሪያ ላይ የሚቀመጥ ቢሆንም፣ የሚጻፈው ግን መላው የንግድ እቅድ ተጠናቆ ካለቀ በኋላ ነው።

A standard business plan (የንግድ ሥራ ዕቅድ) generally includes these specific sections as outlined in resources from the Amhara TVET and Scribd : When writing the financial section of your plan,

ምርቱን የሚገዙት እነማን ናቸው? (ዕድሜ፣ ገቢ፣ ፍላጎት)

ንግዱን ለመጀመር አጠቃላይ ምን ያህል ካፒታል ያስፈልጋል? ከባንክ የሚፈለገው ብድር ምን ያህል ነው? 2. የድርጅቱ መግለጫ (Company Description) " irrigation infrastructure

Ethiopia is the origin of Arabica coffee, and the sector remains a top priority for the government. A modern business plan for coffee must focus on vertical integration, from washing stations to direct-trade exports. Your plan should align crop selection with specific climates in regions like Oromia, Amhara, or SNNPR. Coffee samples show plans for establishing multiple business lines, including value-added agricultural commodities for export and the domestic market. Operational strategies for agriculture must now emphasize "Precision Agriculture," irrigation infrastructure, and logistics to address infrastructure gaps in the value chain.

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
}