85 lines
2.7 KiB
C++
85 lines
2.7 KiB
C++
/*
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Copyright (c) 2013 Daniel Stahlke
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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#include <vector>
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#include <math.h>
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#define GNUPLOT_ENABLE_PTY
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#include "gnuplot-iostream.h"
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// Yes, I'm including a *.cc file. It contains main().
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#include "examples-framework.cc"
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void demo_basic() {
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Gnuplot gp;
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double mx=0, my=0;
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int mb=1;
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while(mb != 3 && mb >= 0) {
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std::vector<std::pair<double, double> > xy_pts;
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xy_pts.push_back(std::make_pair(mx, my));
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for(double alpha=0; alpha<1; alpha+=1.0/24.0) {
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double theta = alpha*2.0*3.14159;
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xy_pts.push_back(std::make_pair(
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mx+cos(theta), my+sin(theta)));
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}
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gp << "set xrange [-2:2]\nset yrange [-2:2]\n";
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gp << "plot '-' with points title 'circle'\n";
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gp.send(xy_pts);
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gp.getMouse(mx, my, mb, "Left click to move circle, right click to exit.");
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printf("You pressed mouse button %d at x=%f y=%f\n", mb, mx, my);
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if(mb < 0) printf("The gnuplot window was closed.\n");
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}
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}
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void demo_vectors() {
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Gnuplot gp;
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double mx=0, my=0;
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int mb=1;
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while(mb != 3 && mb >= 0) {
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std::vector<std::vector<float> > vecs(4);
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for(double alpha=0; alpha<1; alpha+=1.0/24.0) {
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double theta = alpha*2.0*3.14159;
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vecs[0].push_back(mx+cos(theta));
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vecs[1].push_back(my+sin(theta));
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vecs[2].push_back(-cos(theta)*0.1);
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vecs[3].push_back(-sin(theta)*0.1);
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}
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gp << "set xrange [-2:2]\nset yrange [-2:2]\n";
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gp << "plot '-' with vectors title 'circle'\n";
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gp.send(vecs);
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gp.getMouse(mx, my, mb, "Left click to move circle, right click to exit.");
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printf("You pressed mouse button %d at x=%f y=%f\n", mb, mx, my);
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if(mb < 0) printf("The gnuplot window was closed.\n");
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}
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}
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void register_demos() {
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register_demo("basic", demo_basic);
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register_demo("vectors", demo_vectors);
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}
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