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nonblock.cpp
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44 lines (34 loc) · 1007 Bytes
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#define _USE_MATH_DEFINES
#include "matplotlibcpp.h"
#include <cmath>
namespace plt = matplotlibcpp;
using namespace matplotlibcpp;
using namespace std;
int main() {
// Prepare data.
int n = 5000;
std::vector<double> x(n), y(n), z(n), w(n, 2);
for (int i = 0; i < n; ++i) {
x.at(i) = i * i;
y.at(i) = sin(2 * M_PI * i / 360.0);
z.at(i) = log(i);
}
// Plot line from given x and y data. Color is selected automatically.
plt::subplot(2, 2, 1);
plt::plot(x, y);
// Plot a red dashed line from given x and y data.
plt::subplot(2, 2, 2);
plt::plot(x, w, "r--");
// Plot a line whose name will show up as "log(x)" in the legend.
plt::subplot(2, 2, 3);
plt::plot(x, z, {{"label", "log(x)"}});
// Set x-axis to interval [0,1000000]
plt::xlim(0, 1000 * 1000);
// Add graph title
plt::title("Sample figure");
// Enable legend.
plt::legend();
plt::show(false);
cout << "matplotlibcpp::show() is working in an non-blocking mode" << endl;
getchar();
}