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Copy pathexample-errorbars.cpp
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Copy pathexample-errorbars.cpp
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72 lines (64 loc) · 2.63 KB
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/* Copyright 2020 Maurizio Tomasi
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "gplot++.h"
int main(void) {
Gnuplot plt{};
std::vector<double> x{1, 2, 3, 4, 5}, y{5, 2, 4, 1, 3};
std::vector<double> xerr{0.2, 0.2, 0.1, 0.1, 0.2},
yerr{0.3, 0.4, 0.2, 0.6, 0.7};
// Save the plot into a PNG file with the desired size (in pixels)
plt.redirect_to_png("errorbars.png", "800,600");
/* Create four plots with the following layout (2 rows, 2 columns):
*
* +------------------------+------------------------+
* | | |
* | Plot #1 | Plot #2 |
* | | |
* +------------------------+------------------------+
* | | |
* | Plot #3 | Plot #4 |
* | | |
* +------------------------+------------------------+
*/
plt.multiplot(2, 2, "Title");
// Plot #1
plt.set_xlabel("X axis");
plt.set_ylabel("Y axis");
plt.plot(x, y, "", Gnuplot::LineStyle::POINTS);
plt.show(); // Always call "show"!
// Plot #2: X error bar
plt.set_xlabel("X axis");
plt.set_ylabel("Y axis");
plt.plot_xerr(x, y, xerr);
plt.show(); // Always call "show"!
// Plot #3: Y error bar
plt.set_xlabel("X axis");
plt.set_ylabel("Y axis");
plt.plot_yerr(x, y, yerr);
plt.show(); // Always call "show"!
// Plot #4: X and Y error bars
plt.set_xlabel("X axis");
plt.set_ylabel("Y axis");
plt.plot_xyerr(x, y, xerr, yerr);
plt.show(); // Always call "show"!
}