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fill_inbetween.cpp
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35 lines (29 loc) · 874 Bytes
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//
// g++ -g -Wall -o fill_inbetween $(python-config --includes) fill_inbetween.cpp $(python-config --ldflags --embed)
//
#define _USE_MATH_DEFINES
#include "../matplotlibcpp.h"
#include <cmath>
#include <iostream>
using namespace std;
namespace plt = matplotlibcpp;
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);
}
// Prepare keywords to pass to PolyCollection. See
// https://matplotlib.org/api/_as_gen/matplotlib.axes.Axes.fill_between.html
std::map<string, string> keywords;
keywords["alpha"] = "0.4";
keywords["color"] = "grey";
keywords["hatch"] = "-";
plt::fill_between(x, y, z, keywords);
plt::show();
plt::detail::_interpreter::kill();
return (0);
}