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WIP: Moved sources int src/, separated most of the source code from Perl.

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The XS was left only for the unit / integration tests, and it links
libslic3r only. No wxWidgets are allowed to be used from Perl starting
from now.
This commit is contained in:
bubnikv
2018-09-19 11:02:24 +02:00
parent 3ddaccb641
commit 0558b53493
1706 changed files with 7413 additions and 7638 deletions
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218
src/libnest2d/examples/main.cpp Normal file
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#include <iostream>
#include <string>
#include <fstream>
//#define DEBUG_EXPORT_NFP
#include <libnest2d.h>
#include "tests/printer_parts.h"
#include "tools/benchmark.h"
#include "tools/svgtools.hpp"
#include "libnest2d/rotfinder.hpp"
//#include "tools/libnfpglue.hpp"
//#include "tools/nfp_svgnest_glue.hpp"
using namespace libnest2d;
using ItemGroup = std::vector<std::reference_wrapper<Item>>;
std::vector<Item>& _parts(std::vector<Item>& ret, const TestData& data)
{
if(ret.empty()) {
ret.reserve(data.size());
for(auto& inp : data)
ret.emplace_back(inp);
}
return ret;
}
std::vector<Item>& prusaParts() {
static std::vector<Item> ret;
return _parts(ret, PRINTER_PART_POLYGONS);
}
std::vector<Item>& stegoParts() {
static std::vector<Item> ret;
return _parts(ret, STEGOSAUR_POLYGONS);
}
std::vector<Item>& prusaExParts() {
static std::vector<Item> ret;
if(ret.empty()) {
ret.reserve(PRINTER_PART_POLYGONS_EX.size());
for(auto& p : PRINTER_PART_POLYGONS_EX) {
ret.emplace_back(p.Contour, p.Holes);
}
}
return ret;
}
void arrangeRectangles() {
using namespace libnest2d;
const int SCALE = 1000000;
std::vector<Item> rects(202, {
{-9945219, -3065619},
{-9781479, -2031780},
{-9510560, -1020730},
{-9135450, -43529},
{-2099999, 14110899},
{2099999, 14110899},
{9135450, -43529},
{9510560, -1020730},
{9781479, -2031780},
{9945219, -3065619},
{10000000, -4110899},
{9945219, -5156179},
{9781479, -6190019},
{9510560, -7201069},
{9135450, -8178270},
{8660249, -9110899},
{8090169, -9988750},
{7431449, -10802209},
{6691309, -11542349},
{5877850, -12201069},
{5000000, -12771149},
{4067369, -13246350},
{3090169, -13621459},
{2079119, -13892379},
{1045279, -14056119},
{0, -14110899},
{-1045279, -14056119},
{-2079119, -13892379},
{-3090169, -13621459},
{-4067369, -13246350},
{-5000000, -12771149},
{-5877850, -12201069},
{-6691309, -11542349},
{-7431449, -10802209},
{-8090169, -9988750},
{-8660249, -9110899},
{-9135450, -8178270},
{-9510560, -7201069},
{-9781479, -6190019},
{-9945219, -5156179},
{-10000000, -4110899},
{-9945219, -3065619},
});
std::vector<Item> input;
input.insert(input.end(), prusaParts().begin(), prusaParts().end());
// input.insert(input.end(), prusaExParts().begin(), prusaExParts().end());
// input.insert(input.end(), stegoParts().begin(), stegoParts().end());
// input.insert(input.end(), rects.begin(), rects.end());
Box bin(250*SCALE, 210*SCALE);
// PolygonImpl bin = {
// {
// {25*SCALE, 0},
// {0, 25*SCALE},
// {0, 225*SCALE},
// {25*SCALE, 250*SCALE},
// {225*SCALE, 250*SCALE},
// {250*SCALE, 225*SCALE},
// {250*SCALE, 25*SCALE},
// {225*SCALE, 0},
// {25*SCALE, 0}
// },
// {}
// };
// Circle bin({0, 0}, 125*SCALE);
auto min_obj_distance = static_cast<Coord>(6*SCALE);
using Placer = placers::_NofitPolyPlacer<PolygonImpl, decltype(bin)>;
using Packer = Nester<Placer, FirstFitSelection>;
Packer arrange(bin, min_obj_distance);
Packer::PlacementConfig pconf;
pconf.alignment = Placer::Config::Alignment::CENTER;
pconf.starting_point = Placer::Config::Alignment::CENTER;
pconf.rotations = {0.0/*, Pi/2.0, Pi, 3*Pi/2*/};
pconf.accuracy = 0.65f;
pconf.parallel = true;
Packer::SelectionConfig sconf;
// sconf.allow_parallel = false;
// sconf.force_parallel = false;
// sconf.try_triplets = true;
// sconf.try_reverse_order = true;
// sconf.waste_increment = 0.01;
arrange.configure(pconf, sconf);
arrange.progressIndicator([&](unsigned r){
std::cout << "Remaining items: " << r << std::endl;
});
// findMinimumBoundingBoxRotations(input.begin(), input.end());
Benchmark bench;
bench.start();
Packer::ResultType result;
try {
result = arrange.execute(input.begin(), input.end());
} catch(GeometryException& ge) {
std::cerr << "Geometry error: " << ge.what() << std::endl;
return ;
} catch(std::exception& e) {
std::cerr << "Exception: " << e.what() << std::endl;
return ;
}
bench.stop();
std::vector<double> eff;
eff.reserve(result.size());
auto bin_area = sl::area(bin);
for(auto& r : result) {
double a = 0;
std::for_each(r.begin(), r.end(), [&a] (Item& e ){ a += e.area(); });
eff.emplace_back(a/bin_area);
};
std::cout << bench.getElapsedSec() << " bin count: " << result.size()
<< std::endl;
std::cout << "Bin efficiency: (";
for(double e : eff) std::cout << e*100.0 << "% ";
std::cout << ") Average: "
<< std::accumulate(eff.begin(), eff.end(), 0.0)*100.0/result.size()
<< " %" << std::endl;
std::cout << "Bin usage: (";
size_t total = 0;
for(auto& r : result) { std::cout << r.size() << " "; total += r.size(); }
std::cout << ") Total: " << total << std::endl;
// for(auto& it : input) {
// auto ret = sl::isValid(it.transformedShape());
// std::cout << ret.second << std::endl;
// }
if(total != input.size()) std::cout << "ERROR " << "could not pack "
<< input.size() - total << " elements!"
<< std::endl;
using SVGWriter = svg::SVGWriter<PolygonImpl>;
SVGWriter::Config conf;
conf.mm_in_coord_units = SCALE;
SVGWriter svgw(conf);
svgw.setSize(Box(250*SCALE, 210*SCALE));
svgw.writePackGroup(result);
svgw.save("out");
}
int main(void /*int argc, char **argv*/) {
arrangeRectangles();
return EXIT_SUCCESS;
}