tmp
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737b39fee3
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22f8a6aaa2
@ -13,6 +13,8 @@ macro(add_example name switch)
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endif()
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endif()
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endmacro()
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endmacro()
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add_example(gnuplot_ex ON)
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if(${GCTL_GRAPHIC_GMT})
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if(${GCTL_GRAPHIC_GMT})
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add_example(JX_single_ex ON)
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add_example(JX_single_ex ON)
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endif()
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endif()
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70
example/gnuplot_ex.cpp
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70
example/gnuplot_ex.cpp
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@ -0,0 +1,70 @@
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/********************************************************
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* ██████╗ ██████╗████████╗██╗
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* ██╔════╝ ██╔════╝╚══██╔══╝██║
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* ██║ ███╗██║ ██║ ██║
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* ██║ ██║██║ ██║ ██║
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* ╚██████╔╝╚██████╗ ██║ ███████╗
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* ╚═════╝ ╚═════╝ ╚═╝ ╚══════╝
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* Geophysical Computational Tools & Library (GCTL)
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*
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* Copyright (c) 2022 Yi Zhang (yizhang-geo@zju.edu.cn)
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*
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* GCTL is distributed under a dual licensing scheme. You can redistribute
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* it and/or modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation, either version 2
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* of the License, or (at your option) any later version. You should have
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* received a copy of the GNU Lesser General Public License along with this
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* program. If not, see <http://www.gnu.org/licenses/>.
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*
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* If the terms and conditions of the LGPL v.2. would prevent you from using
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* the GCTL, please consider the option to obtain a commercial license for a
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* fee. These licenses are offered by the GCTL's original author. As a rule,
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* licenses are provided "as-is", unlimited in time for a one time fee. Please
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* send corresponding requests to: yizhang-geo@zju.edu.cn. Please do not forget
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* to include some description of your company and the realm of its activities.
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* Also add information on how to contact you by electronic and paper mail.
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******************************************************/
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#include "../lib/graphic.h"
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int main(int argc, char *argv[])
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{
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gctl::gnuplot gt;
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//one line test
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//gt.send("plot [-pi/2:pi] cos(x),-(sin(x) > sin(x+1) ? sin(x) : sin(x+1))");
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//buffer test (bessel animation)
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gt.to_buffer();
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gt.send("set terminal gif animate delay 10 size 600,400");
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gt.send("set output 'bessel.gif'");
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gt.send("set palette rgb 3,9,9");
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gt.send("unset key; unset colorbox; unset border; unset tics");
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gt.send("set lmargin at screen 0.03");
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gt.send("set bmargin at screen 0");
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gt.send("set rmargin at screen 0.97");
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gt.send("set tmargin at screen 1");
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gt.send("set parametric", true);
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gt.send("bessel(x,t) = besj0(x) * cos(2*pi*t)");
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gt.send("n = 6 # number of zeros");
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gt.send("k = (n*pi-1.0/4*pi)");
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gt.send("u_0 = k + 1/(8*k) - 31/(384*k)**3 + 3779/(15360*k)**5");
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gt.send("set urange [0:u_0]");
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gt.send("set vrange[0:1.5*pi]");
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gt.send("set cbrange [-1:1]");
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gt.send("set zrange[-1:1]");
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gt.send("set isosamples 200,100");
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gt.send("set pm3d depthorder");
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gt.send("set view 40,200");
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std::string cmd;
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for (float t = 0.0f; t < 2.0f; t += 0.02f)
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{
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cmd = "splot u*sin(v),u*cos(v),bessel(u," + std::to_string(t) + ") w pm3d ls 1";
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gt.send(cmd);
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}
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gt.send("set output");
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gt.save_buffer("bessel");
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gt.send_buffer();
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return 0;
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}
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@ -31,5 +31,6 @@
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#include "graphic/gmt_JX_single.h"
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#include "graphic/gmt_JX_single.h"
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#include "graphic/mathgl_plot.h"
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#include "graphic/mathgl_plot.h"
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#include "graphic/mathgl_dens.h"
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#include "graphic/mathgl_dens.h"
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#include "graphic/gnuplot.h"
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#endif // _GCTL_GRAPHIC_H
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#endif // _GCTL_GRAPHIC_H
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83
lib/graphic/gnuplot.cpp
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83
lib/graphic/gnuplot.cpp
Normal file
@ -0,0 +1,83 @@
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/********************************************************
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* ██████╗ ██████╗████████╗██╗
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* ██╔════╝ ██╔════╝╚══██╔══╝██║
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* ██║ ███╗██║ ██║ ██║
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* ██║ ██║██║ ██║ ██║
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* ╚██████╔╝╚██████╗ ██║ ███████╗
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* ╚═════╝ ╚═════╝ ╚═╝ ╚══════╝
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* Geophysical Computational Tools & Library (GCTL)
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*
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* Copyright (c) 2022 Yi Zhang (yizhang-geo@zju.edu.cn)
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*
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* GCTL is distributed under a dual licensing scheme. You can redistribute
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* it and/or modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation, either version 2
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* of the License, or (at your option) any later version. You should have
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* received a copy of the GNU Lesser General Public License along with this
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* program. If not, see <http://www.gnu.org/licenses/>.
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*
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* If the terms and conditions of the LGPL v.2. would prevent you from using
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* the GCTL, please consider the option to obtain a commercial license for a
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* fee. These licenses are offered by the GCTL's original author. As a rule,
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* licenses are provided "as-is", unlimited in time for a one time fee. Please
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* send corresponding requests to: yizhang-geo@zju.edu.cn. Please do not forget
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* to include some description of your company and the realm of its activities.
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* Also add information on how to contact you by electronic and paper mail.
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******************************************************/
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#include "gnuplot.h"
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gctl::gnuplot::gnuplot(bool persist)
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{
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_2buffer = false;
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pipe = popen(persist ? "gnuplot -persist" : "gnuplot", "w");
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if (!pipe) throw std::runtime_error("gnuplot pipe failed to open. Try install gnuplot first.");
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}
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gctl::gnuplot::~gnuplot()
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{
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if (pipe) pclose(pipe);
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}
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void gctl::gnuplot::to_buffer()
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{
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_2buffer = true;
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return;
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}
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void gctl::gnuplot::send(const std::string& cmd, bool next_block)
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{
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if (!pipe) return;
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if (!_2buffer) fputs((cmd + "\n").c_str(), pipe);
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else
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{
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if (next_block) buffer.push_back(cmd + "\n\n");
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else buffer.push_back(cmd + "\n");
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}
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return;
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}
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void gctl::gnuplot::send_buffer(size_t repeat)
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{
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if (!pipe) return;
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for (size_t i = 0; i < repeat; i++)
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{
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for (auto& line : buffer) fputs(line.c_str(), pipe);
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fputs("\n", pipe);
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}
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fflush(pipe);
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buffer.clear();
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return;
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}
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void gctl::gnuplot::save_buffer(const std::string& filename)
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{
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std::ofstream outfile;
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open_outfile(outfile, filename, ".gp");
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for (auto& line : buffer) outfile << line;
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outfile.close();
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return;
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}
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85
lib/graphic/gnuplot.h
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85
lib/graphic/gnuplot.h
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@ -0,0 +1,85 @@
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/********************************************************
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* ██████╗ ██████╗████████╗██╗
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* ██╔════╝ ██╔════╝╚══██╔══╝██║
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* ██║ ███╗██║ ██║ ██║
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* ██║ ██║██║ ██║ ██║
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* ╚██████╔╝╚██████╗ ██║ ███████╗
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* ╚═════╝ ╚═════╝ ╚═╝ ╚══════╝
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* Geophysical Computational Tools & Library (GCTL)
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*
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* Copyright (c) 2022 Yi Zhang (yizhang-geo@zju.edu.cn)
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*
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* GCTL is distributed under a dual licensing scheme. You can redistribute
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* it and/or modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation, either version 2
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* of the License, or (at your option) any later version. You should have
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* received a copy of the GNU Lesser General Public License along with this
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* program. If not, see <http://www.gnu.org/licenses/>.
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*
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* If the terms and conditions of the LGPL v.2. would prevent you from using
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* the GCTL, please consider the option to obtain a commercial license for a
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* fee. These licenses are offered by the GCTL's original author. As a rule,
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* licenses are provided "as-is", unlimited in time for a one time fee. Please
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* send corresponding requests to: yizhang-geo@zju.edu.cn. Please do not forget
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* to include some description of your company and the realm of its activities.
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* Also add information on how to contact you by electronic and paper mail.
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******************************************************/
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#ifndef _GCTL_GNUPLOT_H
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#define _GCTL_GNUPLOT_H
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#include "gctl/core.h"
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#include "gctl/utility.h"
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namespace gctl
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{
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class gnuplot
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{
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public:
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/**
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* @brief Construct a new gnuplot object
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*
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* @param persist Gnuplot will hold the window after plot if true.
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*/
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gnuplot(bool persist = true);
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// destructor
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virtual ~gnuplot();
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/**
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* @brief Set this to send all lines to buffer.
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*/
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void to_buffer();
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/**
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* @brief Send a line to gnuplot and execute it. If send2buffer is called before, then the line will be stored in the buffer.
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*
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* @param cmd command line.
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* @param next_block If true, an empty line will be added to the buffer after the cmd.
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*/
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void send(const std::string& cmd, bool next_block = false);
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/**
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* @brief Send the buffer to gnuplot and execute it at once. Then clear the buffer.
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*
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* @param repeat How many times to repeat the buffer.
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*/
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void send_buffer(size_t repeat = 1);
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/**
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* @brief Save the buffer to a file. This will not clear the buffer.
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*
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* @param filename File name.
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*/
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void save_buffer(const std::string& filename);
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private:
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gnuplot(gnuplot const&) = delete;
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void operator=(gnuplot const&) = delete;
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FILE* pipe;
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std::vector<std::string> buffer;
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bool _2buffer;
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};
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}
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#endif // _GCTL_GNUPLOT_H
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