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https://github.com/FULU-Foundation/OrcaSlicer-bambulab.git
synced 2026-08-29 23:32:33 +02:00
initial NFP method with convex polygons working.
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tamasmeszaros
+35
-207
@@ -7,232 +7,56 @@
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#include "printer_parts.h"
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#include "benchmark.h"
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#include "svgtools.hpp"
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namespace {
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using namespace libnest2d;
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using ItemGroup = std::vector<std::reference_wrapper<Item>>;
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//using PackGroup = std::vector<ItemGroup>;
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template<int SCALE, class Bin >
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void exportSVG(PackGroup& result, const Bin& bin) {
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std::string loc = "out";
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static std::string svg_header =
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R"raw(<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
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<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.0//EN" "http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">
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<svg height="500" width="500" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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)raw";
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int i = 0;
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for(auto r : result) {
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std::fstream out(loc + std::to_string(i) + ".svg", std::fstream::out);
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if(out.is_open()) {
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out << svg_header;
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Item rbin( Rectangle(bin.width(), bin.height()) );
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for(unsigned i = 0; i < rbin.vertexCount(); i++) {
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auto v = rbin.vertex(i);
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setY(v, -getY(v)/SCALE + 500 );
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setX(v, getX(v)/SCALE);
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rbin.setVertex(i, v);
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}
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out << ShapeLike::serialize<Formats::SVG>(rbin.rawShape()) << std::endl;
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for(Item& sh : r) {
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Item tsh(sh.transformedShape());
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for(unsigned i = 0; i < tsh.vertexCount(); i++) {
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auto v = tsh.vertex(i);
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setY(v, -getY(v)/SCALE + 500);
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setX(v, getX(v)/SCALE);
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tsh.setVertex(i, v);
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}
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out << ShapeLike::serialize<Formats::SVG>(tsh.rawShape()) << std::endl;
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}
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out << "\n</svg>" << std::endl;
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}
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out.close();
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i++;
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std::vector<Item>& _parts(std::vector<Item>& ret, const TestData& data)
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{
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if(ret.empty()) {
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ret.reserve(data.size());
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for(auto& inp : data)
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ret.emplace_back(inp);
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}
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return ret;
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}
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template< int SCALE, class Bin>
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void exportSVG(ItemGroup& result, const Bin& bin, int idx) {
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std::string loc = "out";
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static std::string svg_header =
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R"raw(<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
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<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.0//EN" "http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">
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<svg height="500" width="500" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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)raw";
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int i = idx;
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auto r = result;
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// for(auto r : result) {
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std::fstream out(loc + std::to_string(i) + ".svg", std::fstream::out);
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if(out.is_open()) {
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out << svg_header;
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Item rbin( Rectangle(bin.width(), bin.height()) );
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for(unsigned i = 0; i < rbin.vertexCount(); i++) {
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auto v = rbin.vertex(i);
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setY(v, -getY(v)/SCALE + 500 );
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setX(v, getX(v)/SCALE);
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rbin.setVertex(i, v);
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}
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out << ShapeLike::serialize<Formats::SVG>(rbin.rawShape()) << std::endl;
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for(Item& sh : r) {
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Item tsh(sh.transformedShape());
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for(unsigned i = 0; i < tsh.vertexCount(); i++) {
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auto v = tsh.vertex(i);
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setY(v, -getY(v)/SCALE + 500);
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setX(v, getX(v)/SCALE);
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tsh.setVertex(i, v);
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}
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out << ShapeLike::serialize<Formats::SVG>(tsh.rawShape()) << std::endl;
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}
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out << "\n</svg>" << std::endl;
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}
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out.close();
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// i++;
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// }
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}
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std::vector<Item>& prusaParts() {
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static std::vector<Item> ret;
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return _parts(ret, PRINTER_PART_POLYGONS);
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}
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void findDegenerateCase() {
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using namespace libnest2d;
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auto input = PRINTER_PART_POLYGONS;
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auto scaler = [](Item& item) {
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for(unsigned i = 0; i < item.vertexCount(); i++) {
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auto v = item.vertex(i);
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setX(v, 100*getX(v)); setY(v, 100*getY(v));
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item.setVertex(i, v);
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}
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};
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auto cmp = [](const Item& t1, const Item& t2) {
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return t1.area() > t2.area();
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};
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std::for_each(input.begin(), input.end(), scaler);
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std::sort(input.begin(), input.end(), cmp);
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Box bin(210*100, 250*100);
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BottomLeftPlacer placer(bin);
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auto it = input.begin();
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auto next = it;
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int i = 0;
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while(it != input.end() && ++next != input.end()) {
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placer.pack(*it);
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placer.pack(*next);
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auto result = placer.getItems();
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bool valid = true;
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if(result.size() == 2) {
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Item& r1 = result[0];
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Item& r2 = result[1];
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valid = !Item::intersects(r1, r2) || Item::touches(r1, r2);
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valid = (valid && !r1.isInside(r2) && !r2.isInside(r1));
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if(!valid) {
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std::cout << "error index: " << i << std::endl;
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exportSVG<100>(result, bin, i);
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}
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} else {
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std::cout << "something went terribly wrong!" << std::endl;
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}
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placer.clearItems();
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it++;
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i++;
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}
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std::vector<Item>& stegoParts() {
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static std::vector<Item> ret;
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return _parts(ret, STEGOSAUR_POLYGONS);
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}
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void arrangeRectangles() {
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using namespace libnest2d;
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// std::vector<Rectangle> input = {
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// {80, 80},
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// {110, 10},
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// {200, 5},
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// {80, 30},
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// {60, 90},
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// {70, 30},
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// {80, 60},
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// {60, 60},
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// {60, 40},
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// {40, 40},
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// {10, 10},
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// {10, 10},
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// {10, 10},
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// {10, 10},
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// {10, 10},
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// {5, 5},
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// {5, 5},
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// {5, 5},
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// {5, 5},
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// {5, 5},
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// {5, 5},
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// {5, 5},
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// {20, 20},
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// {80, 80},
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// {110, 10},
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// {200, 5},
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// {80, 30},
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// {60, 90},
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// {70, 30},
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// {80, 60},
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// {60, 60},
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// {60, 40},
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// {40, 40},
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// {10, 10},
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// {10, 10},
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// {10, 10},
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// {10, 10},
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// {10, 10},
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// {5, 5},
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// {5, 5},
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// {5, 5},
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// {5, 5},
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// {5, 5},
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// {5, 5},
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// {5, 5},
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// {20, 20}
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// };
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auto input = PRINTER_PART_POLYGONS;
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auto input = stegoParts();
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const int SCALE = 1000000;
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// const int SCALE = 1;
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Box bin(210*SCALE, 250*SCALE);
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auto scaler = [&SCALE, &bin](Item& item) {
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// double max_area = 0;
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for(unsigned i = 0; i < item.vertexCount(); i++) {
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auto v = item.vertex(i);
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setX(v, SCALE*getX(v)); setY(v, SCALE*getY(v));
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item.setVertex(i, v);
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// double area = item.area();
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// if(max_area < area) {
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// max_area = area;
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// bin = item.boundingBox();
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// }
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}
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};
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Coord min_obj_distance = 0; //6*SCALE;
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Coord min_obj_distance = 2*SCALE;
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NfpPlacer::Config pconf;
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pconf.alignment = NfpPlacer::Config::Alignment::TOP_LEFT;
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Arranger<NfpPlacer, DJDHeuristic> arrange(bin, min_obj_distance, pconf);
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std::for_each(input.begin(), input.end(), scaler);
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Arranger<BottomLeftPlacer, DJDHeuristic> arrange(bin, min_obj_distance);
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// arrange.progressIndicator([&arrange, &bin](unsigned r){
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// svg::SVGWriter::Config conf;
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// conf.mm_in_coord_units = SCALE;
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// svg::SVGWriter svgw(conf);
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// svgw.setSize(bin);
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// svgw.writePackGroup(arrange.lastResult());
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// svgw.save("out");
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// std::cout << "Remaining items: " << r << std::endl;
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// });
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Benchmark bench;
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@@ -249,8 +73,12 @@ void arrangeRectangles() {
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std::cout << ret.second << std::endl;
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}
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exportSVG<SCALE>(result, bin);
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svg::SVGWriter::Config conf;
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conf.mm_in_coord_units = SCALE;
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svg::SVGWriter svgw(conf);
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svgw.setSize(bin);
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svgw.writePackGroup(result);
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svgw.save("out");
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}
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int main(void /*int argc, char **argv*/) {
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