libcruft-util/tools/poisson.cpp

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#include "cmdopt.hpp"
#include "functor.hpp"
#include "geom/aabb.hpp"
#include "geom/sample.hpp"
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#include <cstdlib>
#include <iostream>
#include <random>
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///////////////////////////////////////////////////////////////////////////////
int
main (int argc, char **argv)
{
util::extent2f area {256, 256};
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float distance = 5.f;
int samples = 15;
util::cmdopt::parser opts;
opts.add<util::cmdopt::option::value<float>> ('w', "width", "width of the space to fill", area.w);
opts.add<util::cmdopt::option::value<float>> ('h', "height", "height of the space to fill", area.h);
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opts.add<util::cmdopt::option::value<float>> ('d', "distance", "minimum distance between samples", distance);
opts.add<util::cmdopt::option::value<int>> ('s', "samples", "number of samples per iteration", samples);
opts.scan (argc, argv);
std::cout << "<svg height='" << area.h << "' width='" << area.h << "'>";
for (auto p: util::geom::surface::poisson (util::geom::surface::sampler (area),
std::default_random_engine (),
util::functor::constant (distance),
samples))
{
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std::cout << "<circle cx='" << p.x << "' cy='" << p.y << "' r='1' />";
}
std::cout << "</svg>\n";
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return EXIT_SUCCESS;
}