610 lines
25 KiB
C++
610 lines
25 KiB
C++
#include "topologyenumerator.hpp"
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#include <algorithm>
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#include <iostream>
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#include <math.h>
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#include <numeric>
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#include <unordered_set>
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const bool debugIsOn{false};
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const bool exportArticulationPointsPatterns{false};
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const bool savePlyFiles{true};
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// size_t binomialCoefficient(size_t n, size_t m) {
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// assert(n > m);
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// return tgamma(n + 1) / (tgamma(m + 1) * tgamma(n - m + 1));
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//}
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// void TopologyEnumerator::createLabelMesh(
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// const std::vector<vcg::Point3d> vertices,
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// const std::filesystem::path &savePath) const {
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// const std::string allOnes(patternTopology.getNumberOfPossibleEdges(), '1');
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// const std::vector<vcg::Point2i> allEdges =
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// TrianglePatternTopology::convertToEdges(allOnes, vertices.size());
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// TrianglePatternGeometry labelMesh;
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// std::vector<vcg::Point3d> labelVertices(allEdges.size());
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// for (size_t edgeIndex = 0; edgeIndex < allEdges.size(); edgeIndex++) {
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// const vcg::Point3d edgeMidpoint =
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// (vertices[allEdges[edgeIndex][0]] + vertices[allEdges[edgeIndex][1]])
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// / 2;
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// labelVertices[edgeIndex] = edgeMidpoint;
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// }
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// labelMesh.set(labelVertices);
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// labelMesh.savePly(std::filesystem::path(savePath)
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// .append(std::string("labelMesh.ply"))
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// .string());
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//}
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size_t TopologyEnumerator::getEdgeIndex(size_t ni0, size_t ni1) const {
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if (ni1 <= ni0) {
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std::swap(ni0, ni1);
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}
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assert(ni1 > ni0);
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const size_t &n = numberOfNodes;
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return (n * (n - 1) / 2) - (n - ni0) * ((n - ni0) - 1) / 2 + ni1 - ni0 - 1;
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}
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TopologyEnumerator::TopologyEnumerator() {}
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void TopologyEnumerator::computeValidPatterns(
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const std::vector<size_t> &reducedNumberOfNodesPerSlot) {
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assert(reducedNumberOfNodesPerSlot.size() == 5);
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assert(reducedNumberOfNodesPerSlot[0] == 0 ||
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reducedNumberOfNodesPerSlot[0] == 1);
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assert(reducedNumberOfNodesPerSlot[1] == 0 ||
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reducedNumberOfNodesPerSlot[1] == 1);
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std::vector<size_t> numberOfNodesPerSlot{
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reducedNumberOfNodesPerSlot[0], reducedNumberOfNodesPerSlot[1],
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reducedNumberOfNodesPerSlot[1], reducedNumberOfNodesPerSlot[2],
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reducedNumberOfNodesPerSlot[3], reducedNumberOfNodesPerSlot[2],
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reducedNumberOfNodesPerSlot[4]};
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// Generate an edge mesh wih all possible edges
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numberOfNodes = std::accumulate(numberOfNodesPerSlot.begin(),
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numberOfNodesPerSlot.end(), 0);
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const size_t numberOfAllPossibleEdges =
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numberOfNodes * (numberOfNodes - 1) / 2;
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std::vector<vcg::Point2i> allPossibleEdges(numberOfAllPossibleEdges);
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const int &n = numberOfNodes;
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for (size_t edgeIndex = 0; edgeIndex < numberOfAllPossibleEdges;
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edgeIndex++) {
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const int ni0 =
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n - 2 -
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std::floor(std::sqrt(-8 * edgeIndex + 4 * n * (n - 1) - 7) / 2.0 - 0.5);
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const int ni1 =
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edgeIndex + ni0 + 1 - n * (n - 1) / 2 + (n - ni0) * ((n - ni0) - 1) / 2;
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allPossibleEdges[edgeIndex] = vcg::Point2i(ni0, ni1);
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}
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FlatPatternGeometry patternGeometryAllEdges;
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patternGeometryAllEdges.add(numberOfNodesPerSlot, allPossibleEdges);
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// Create Results path
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auto resultPath =
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// std::filesystem::path("/home/iason/Documents/PhD/Research/Enumerating\\
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// "
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// "2d\\ connections\\ of\\ nodes");
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std::filesystem::current_path()
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.parent_path()
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.parent_path()
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.parent_path()
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.parent_path();
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assert(std::filesystem::exists(resultPath));
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auto allResultsPath = resultPath.append("Results");
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std::filesystem::create_directory(allResultsPath);
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std::string setupString;
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// for (size_t numberOfNodes : reducedNumberOfNodesPerSlot) {
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for (size_t numberOfNodesPerSlotIndex = 0;
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numberOfNodesPerSlotIndex < reducedNumberOfNodesPerSlot.size();
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numberOfNodesPerSlotIndex++) {
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std::string elemID;
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if (numberOfNodesPerSlotIndex == 0 || numberOfNodesPerSlotIndex == 1) {
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elemID = "v";
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} else if (numberOfNodesPerSlotIndex == 2 ||
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numberOfNodesPerSlotIndex == 3) {
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elemID = "e";
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} else {
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elemID = "c";
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}
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setupString +=
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std::to_string(reducedNumberOfNodesPerSlot[numberOfNodesPerSlotIndex]) +
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elemID + "_";
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}
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setupString += std::to_string(FlatPatternGeometry().getFanSize()) + "fan";
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if (debugIsOn) {
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setupString += "_debug";
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}
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auto resultsPath = std::filesystem::path(allResultsPath).append(setupString);
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// std::filesystem::remove_all(resultsPath); // delete previous results
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std::filesystem::create_directory(resultsPath);
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if (debugIsOn) {
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patternGeometryAllEdges.savePly(std::filesystem::path(resultsPath)
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.append("allPossibleEdges.ply")
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.string());
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}
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// statistics.numberOfPossibleEdges = numberOfAllPossibleEdges;
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std::vector<vcg::Point2i> validEdges =
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getValidEdges(numberOfNodesPerSlot, resultsPath, patternGeometryAllEdges,
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allPossibleEdges);
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FlatPatternGeometry patternAllValidEdges;
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patternAllValidEdges.add(patternGeometryAllEdges.getVertices(), validEdges);
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if (debugIsOn) {
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// Export all valid edges in a ply
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patternAllValidEdges.savePly(
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std::filesystem::path(resultsPath).append("allValidEdges.ply"));
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}
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// statistics.numberOfValidEdges = validEdges.size();
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// Find pairs of intersecting edges
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std::unordered_map<size_t, std::unordered_set<size_t>> intersectingEdges =
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patternAllValidEdges.getIntersectingEdges(
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statistics.numberOfIntersectingEdgePairs);
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if (debugIsOn) {
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auto intersectingEdgesPath = std::filesystem::path(resultsPath)
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.append("All_intersecting_edge_pairs");
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std::filesystem::create_directory(intersectingEdgesPath);
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// Export intersecting pairs in ply files
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for (auto mapIt = intersectingEdges.begin();
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mapIt != intersectingEdges.end(); mapIt++) {
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for (auto setIt = mapIt->second.begin(); setIt != mapIt->second.end();
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setIt++) {
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FlatPatternGeometry intersectingEdgePair;
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const size_t ei0 = mapIt->first;
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const size_t ei1 = *setIt;
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vcg::tri::Allocator<FlatPatternGeometry>::AddEdge(
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intersectingEdgePair,
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patternGeometryAllEdges.getVertices()[validEdges[ei0][0]],
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patternGeometryAllEdges.getVertices()[validEdges[ei0][1]]);
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vcg::tri::Allocator<FlatPatternGeometry>::AddEdge(
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intersectingEdgePair,
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patternGeometryAllEdges.getVertices()[validEdges[ei1][0]],
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patternGeometryAllEdges.getVertices()[validEdges[ei1][1]]);
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intersectingEdgePair.savePly(
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std::filesystem::path(intersectingEdgesPath)
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.append(std::to_string(mapIt->first) + "_" +
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std::to_string(*setIt) + ".ply")
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.string());
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}
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}
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}
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// assert(validEdges.size() == allPossibleEdges.size() -
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// coincideEdges.size() -
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// duplicateEdges.size());
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PatternSet patternSet;
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const std::vector<vcg::Point3d> nodes = patternGeometryAllEdges.getVertices();
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const size_t numberOfNodes = nodes.size();
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patternSet.nodes.resize(numberOfNodes);
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for (size_t nodeIndex = 0; nodeIndex < numberOfNodes; nodeIndex++) {
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patternSet.nodes[nodeIndex] =
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vcg::Point2d(nodes[nodeIndex][0], nodes[nodeIndex][1]);
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}
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if (std::filesystem::exists(std::filesystem::path(resultsPath)
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.append("patterns.patt")
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.string())) {
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std::filesystem::remove(
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std::filesystem::path(resultsPath).append("patterns.patt"));
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}
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for (size_t numberOfEdges = 2; numberOfEdges < validEdges.size();
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numberOfEdges++) {
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// for (size_t numberOfEdges = 1; numberOfEdges < 3; numberOfEdges++) {
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std::cout << "Computing " + setupString << " with " << numberOfEdges
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<< " edges." << std::endl;
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auto perEdgeResultPath = std::filesystem::path(resultsPath)
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.append(std::to_string(numberOfEdges));
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// if (std::filesystem::exists(perEdgeResultPath)) {
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// continue;
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// }
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std::filesystem::create_directory(perEdgeResultPath);
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computeValidPatterns(numberOfNodesPerSlot, numberOfEdges, perEdgeResultPath,
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patternGeometryAllEdges.getVertices(),
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intersectingEdges, validEdges, patternSet);
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// statistics.print(setupString, perEdgeResultPath);
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PatternIO::save(
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std::filesystem::path(resultsPath).append("patterns.patt").string(),
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patternSet);
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}
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}
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void TopologyEnumerator::computeEdgeNodes(
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const std::vector<size_t> &numberOfNodesPerSlot,
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std::vector<size_t> &nodesEdge0, std::vector<size_t> &nodesEdge1,
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std::vector<size_t> &nodesEdge2) {
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// Create vectors holding the node indices of each pattern node of each
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// triangle edge
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size_t nodeIndex = 0;
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if (numberOfNodesPerSlot[0] != 0) {
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nodesEdge0.push_back(nodeIndex++);
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}
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if (numberOfNodesPerSlot[1] != 0)
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nodesEdge1.push_back(nodeIndex++);
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if (numberOfNodesPerSlot[2] != 0)
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nodesEdge2.push_back(nodeIndex++);
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if (numberOfNodesPerSlot[3] != 0) {
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for (size_t edgeNodeIndex = 0; edgeNodeIndex < numberOfNodesPerSlot[3];
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edgeNodeIndex++) {
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nodesEdge0.push_back(nodeIndex++);
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}
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}
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if (numberOfNodesPerSlot[4] != 0) {
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for (size_t edgeNodeIndex = 0; edgeNodeIndex < numberOfNodesPerSlot[4];
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edgeNodeIndex++) {
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nodesEdge1.push_back(nodeIndex++);
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}
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}
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if (numberOfNodesPerSlot[5] != 0) {
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for (size_t edgeNodeIndex = 0; edgeNodeIndex < numberOfNodesPerSlot[5];
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edgeNodeIndex++) {
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nodesEdge2.push_back(nodeIndex++);
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}
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}
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if (numberOfNodesPerSlot[1] != 0) {
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assert(numberOfNodesPerSlot[2]);
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nodesEdge0.push_back(1);
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nodesEdge1.push_back(2);
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}
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if (numberOfNodesPerSlot[0] != 0) {
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nodesEdge2.push_back(0);
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}
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}
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std::unordered_set<size_t> TopologyEnumerator::computeCoincideEdges(
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const std::vector<size_t> &numberOfNodesPerSlot) {
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/*
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* A coincide edge is defined as an edge connection between two nodes that lay
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* on a triangle edge and which have another node in between
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* */
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std::vector<size_t> nodesEdge0; // left edge
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std::vector<size_t> nodesEdge1; // bottom edge
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std::vector<size_t> nodesEdge2; // right edge
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computeEdgeNodes(numberOfNodesPerSlot, nodesEdge0, nodesEdge1, nodesEdge2);
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std::vector<size_t> coincideEdges0 = getCoincideEdges(nodesEdge0);
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std::vector<size_t> coincideEdges1 = getCoincideEdges(nodesEdge1);
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std::vector<size_t> coincideEdges2 = getCoincideEdges(nodesEdge2);
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std::unordered_set<size_t> coincideEdges{coincideEdges0.begin(),
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coincideEdges0.end()};
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std::copy(coincideEdges1.begin(), coincideEdges1.end(),
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std::inserter(coincideEdges, coincideEdges.end()));
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std::copy(coincideEdges2.begin(), coincideEdges2.end(),
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std::inserter(coincideEdges, coincideEdges.end()));
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if (numberOfNodesPerSlot[0] && numberOfNodesPerSlot[1]) {
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coincideEdges.insert(getEdgeIndex(0, 2));
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}
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if (numberOfNodesPerSlot[0] && numberOfNodesPerSlot[2]) {
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assert(numberOfNodesPerSlot[1]);
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coincideEdges.insert(getEdgeIndex(0, 3));
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}
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return coincideEdges;
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}
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std::unordered_set<size_t> TopologyEnumerator::computeDuplicateEdges(
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const std::vector<size_t> &numberOfNodesPerSlot) {
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/*
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* A duplicate edges are all edges the "right" edge since due to rotational
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* symmetry "left" edge=="right" edge
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* */
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std::unordered_set<size_t> duplicateEdges;
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std::vector<size_t> nodesEdge0; // left edge
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std::vector<size_t> nodesEdge1; // bottom edge
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std::vector<size_t> nodesEdge2; // right edge
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computeEdgeNodes(numberOfNodesPerSlot, nodesEdge0, nodesEdge1, nodesEdge2);
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if (numberOfNodesPerSlot[5]) {
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for (size_t edge2NodeIndex = 0; edge2NodeIndex < nodesEdge2.size() - 1;
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edge2NodeIndex++) {
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const size_t nodeIndex = nodesEdge2[edge2NodeIndex];
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const size_t nextNodeIndex = nodesEdge2[edge2NodeIndex + 1];
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duplicateEdges.insert(getEdgeIndex(nodeIndex, nextNodeIndex));
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}
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}
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return duplicateEdges;
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}
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std::vector<vcg::Point2i> TopologyEnumerator::getValidEdges(
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const std::vector<size_t> &numberOfNodesPerSlot,
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const std::filesystem::path &resultsPath,
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const FlatPatternGeometry &patternGeometryAllEdges,
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const std::vector<vcg::Point2i> &allPossibleEdges) {
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std::unordered_set<size_t> coincideEdges =
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computeCoincideEdges(numberOfNodesPerSlot);
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// Export each coincide edge into a ply file
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if (!coincideEdges.empty() && debugIsOn) {
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auto coincideEdgesPath =
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std::filesystem::path(resultsPath).append("Coincide_edges");
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std::filesystem::create_directories(coincideEdgesPath);
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for (auto coincideEdgeIndex : coincideEdges) {
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FlatPatternGeometry::EdgeType e =
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patternGeometryAllEdges.edge[coincideEdgeIndex];
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FlatPatternGeometry singleEdgeMesh;
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vcg::Point3d p0 = e.cP(0);
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vcg::Point3d p1 = e.cP(1);
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std::vector<vcg::Point3d> edgeVertices;
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edgeVertices.push_back(p0);
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edgeVertices.push_back(p1);
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singleEdgeMesh.add(edgeVertices);
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singleEdgeMesh.add(std::vector<vcg::Point2i>{vcg::Point2i{0, 1}});
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singleEdgeMesh.savePly(std::filesystem::path(coincideEdgesPath)
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.append(std::to_string(coincideEdgeIndex))
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.string() +
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".ply");
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}
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}
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statistics.numberOfCoincideEdges = coincideEdges.size();
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// Compute duplicate edges
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std::unordered_set<size_t> duplicateEdges =
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computeDuplicateEdges(numberOfNodesPerSlot);
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if (!duplicateEdges.empty() && debugIsOn) {
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// Export duplicate edges in a single ply file
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auto duplicateEdgesPath =
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std::filesystem::path(resultsPath).append("duplicate");
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std::filesystem::create_directory(duplicateEdgesPath);
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FlatPatternGeometry patternDuplicateEdges;
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for (auto duplicateEdgeIndex : duplicateEdges) {
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FlatPatternGeometry::EdgeType e =
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patternGeometryAllEdges.edge[duplicateEdgeIndex];
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vcg::Point3d p0 = e.cP(0);
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vcg::Point3d p1 = e.cP(1);
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vcg::tri::Allocator<FlatPatternGeometry>::AddEdge(
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patternDuplicateEdges, p0, p1);
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}
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patternDuplicateEdges.savePly(
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std::filesystem::path(duplicateEdgesPath).append("duplicateEdges.ply"));
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}
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statistics.numberOfDuplicateEdges = duplicateEdges.size();
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// Create the set of all possible edges without coincide and duplicate edges
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std::vector<vcg::Point2i> validEdges;
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for (size_t edgeIndex = 0; edgeIndex < allPossibleEdges.size(); edgeIndex++) {
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if (coincideEdges.count(edgeIndex) == 0 &&
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duplicateEdges.count(edgeIndex) == 0) {
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validEdges.push_back(allPossibleEdges[edgeIndex]);
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}
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}
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return validEdges;
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}
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void TopologyEnumerator::computeValidPatterns(
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const std::vector<size_t> &numberOfNodesPerSlot,
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const size_t &numberOfDesiredEdges,
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const std::filesystem::path &resultsPath,
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const std::vector<vcg::Point3d> &allVertices,
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const std::unordered_map<size_t, std::unordered_set<size_t>>
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&intersectingEdges,
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const std::vector<vcg::Point2i> &validEdges, PatternSet &patternsSet) {
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assert(numberOfNodesPerSlot.size() == 7);
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// Iterate over all patterns which have numberOfDesiredEdges edges from
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// from the validEdges Identify patterns that contain dangling edges
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const bool enoughValidEdgesExist = validEdges.size() >= numberOfDesiredEdges;
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if (!enoughValidEdgesExist) {
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std::filesystem::remove_all(resultsPath); // delete previous results folder
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return;
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}
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assert(enoughValidEdgesExist);
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// Create pattern result paths
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auto validPatternsPath = std::filesystem::path(resultsPath).append("Valid");
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std::filesystem::create_directory(validPatternsPath);
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const size_t numberOfPatterns = FlatPatternGeometry::binomialCoefficient(
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validEdges.size(), numberOfDesiredEdges);
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statistics.numberOfPatterns = numberOfPatterns;
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// Initialize pattern binary representation
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std::string patternBinaryRepresentation;
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patternBinaryRepresentation = std::string(numberOfDesiredEdges, '1');
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patternBinaryRepresentation +=
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std::string(validEdges.size() - numberOfDesiredEdges, '0');
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std::sort(patternBinaryRepresentation.begin(),
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patternBinaryRepresentation.end());
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size_t patternIndex = 0;
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do {
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patternIndex++;
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const std::string patternName = std::to_string(patternIndex);
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// std::cout << "Pattern name:" + patternBinaryRepresentation <<
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// std::endl; isValidPattern(patternBinaryRepresentation, validEdges,
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// numberOfDesiredEdges);
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// Create the geometry of the pattern
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// Compute the pattern edges from the binary representation
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std::vector<vcg::Point2i> patternEdges(numberOfDesiredEdges);
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size_t patternEdgeIndex = 0;
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for (size_t validEdgeIndex = 0;
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validEdgeIndex < patternBinaryRepresentation.size();
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validEdgeIndex++) {
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if (patternBinaryRepresentation[validEdgeIndex] == '1') {
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assert(patternEdgeIndex < numberOfDesiredEdges);
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patternEdges[patternEdgeIndex++] = validEdges[validEdgeIndex];
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}
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}
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Pattern pattern;
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pattern.edges = patternEdges;
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FlatPatternGeometry patternGeometry;
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patternGeometry.add(allVertices, patternEdges);
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// Check if pattern contains intersecting edges
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const bool patternContainsIntersectingEdges =
|
|
patternGeometry.hasIntersectingEdges(patternBinaryRepresentation,
|
|
intersectingEdges);
|
|
// Export the tiled ply file if it contains intersecting edges
|
|
if (patternContainsIntersectingEdges) {
|
|
// create the tiled geometry of the pattern
|
|
statistics.numberOfPatternsWithIntersectingEdges++;
|
|
if (debugIsOn) {
|
|
if (savePlyFiles) {
|
|
FlatPatternGeometry tiledPatternGeometry =
|
|
FlatPatternGeometry::createTile(patternGeometry);
|
|
auto intersectingPatternsPath =
|
|
std::filesystem::path(resultsPath).append("Intersecting");
|
|
std::filesystem::create_directory(intersectingPatternsPath);
|
|
patternGeometry.savePly(
|
|
std::filesystem::path(intersectingPatternsPath)
|
|
.append(patternName)
|
|
.string() +
|
|
".ply");
|
|
tiledPatternGeometry.savePly(
|
|
std::filesystem::path(intersectingPatternsPath)
|
|
.append(patternName + "_tiled")
|
|
.string() +
|
|
".ply");
|
|
}
|
|
pattern.labels.push_back(PatternLabel::IntersectingEdges);
|
|
} else {
|
|
continue; // should be uncommented in order to improve performance
|
|
}
|
|
}
|
|
|
|
// Compute the tiled valence
|
|
const bool tiledPatternHasDanglingEdges = patternGeometry.hasDanglingEdges(
|
|
numberOfNodesPerSlot); // marks the nodes with valence>=1
|
|
// Create the tiled geometry of the pattern
|
|
const bool hasFloatingComponents =
|
|
!patternGeometry.isFullyConnectedWhenTiled();
|
|
FlatPatternTopology topology(numberOfNodesPerSlot, patternEdges);
|
|
const bool hasArticulationPoints = topology.containsArticulationPoints();
|
|
FlatPatternGeometry tiledPatternGeometry =
|
|
FlatPatternGeometry::createTile(
|
|
patternGeometry); // the marked nodes of hasDanglingEdges are
|
|
// duplicated here
|
|
// Check dangling edges with vcg method
|
|
// const bool vcg_tiledPatternHasDangling =
|
|
// tiledPatternGeometry.hasUntiledDanglingEdges();
|
|
if (tiledPatternHasDanglingEdges /*&& !hasFloatingComponents &&
|
|
!hasArticulationPoints*/) {
|
|
statistics.numberOfPatternsWithADanglingEdgeOrNode++;
|
|
if (debugIsOn) {
|
|
if (savePlyFiles) {
|
|
auto danglingEdgesPath =
|
|
std::filesystem::path(resultsPath).append("Dangling");
|
|
std::filesystem::create_directory(danglingEdgesPath);
|
|
patternGeometry.savePly(std::filesystem::path(danglingEdgesPath)
|
|
.append(patternName)
|
|
.string() +
|
|
".ply");
|
|
tiledPatternGeometry.savePly(std::filesystem::path(danglingEdgesPath)
|
|
.append(patternName + "_tiled")
|
|
.string() +
|
|
".ply");
|
|
}
|
|
pattern.labels.push_back(PatternLabel::DanglingEdge);
|
|
} else {
|
|
continue;
|
|
}
|
|
}
|
|
|
|
if (hasFloatingComponents /*&& !hasArticulationPoints &&
|
|
!tiledPatternHasDanglingEdges*/) {
|
|
statistics.numberOfPatternsWithMoreThanASingleCC++;
|
|
if (debugIsOn) {
|
|
if (savePlyFiles) {
|
|
auto moreThanOneCCPath =
|
|
std::filesystem::path(resultsPath).append("MoreThanOneCC");
|
|
std::filesystem::create_directory(moreThanOneCCPath);
|
|
patternGeometry.savePly(std::filesystem::path(moreThanOneCCPath)
|
|
.append(patternName)
|
|
.string() +
|
|
".ply");
|
|
tiledPatternGeometry.savePly(std::filesystem::path(moreThanOneCCPath)
|
|
.append(patternName + "_tiled")
|
|
.string() +
|
|
".ply");
|
|
}
|
|
pattern.labels.push_back(PatternLabel::MultipleCC);
|
|
} else {
|
|
continue;
|
|
}
|
|
}
|
|
|
|
if (hasArticulationPoints /*&& !hasFloatingComponents &&
|
|
!tiledPatternHasDanglingEdges*/) {
|
|
statistics.numberOfPatternsWithArticulationPoints++;
|
|
if (exportArticulationPointsPatterns || debugIsOn) {
|
|
if (savePlyFiles) {
|
|
auto articulationPointsPath =
|
|
std::filesystem::path(resultsPath).append("ArticulationPoints");
|
|
std::filesystem::create_directory(articulationPointsPath);
|
|
patternGeometry.savePly(std::filesystem::path(articulationPointsPath)
|
|
.append(patternName)
|
|
.string() +
|
|
".ply");
|
|
tiledPatternGeometry.savePly(
|
|
std::filesystem::path(articulationPointsPath)
|
|
.append(patternName + "_tiled")
|
|
.string() +
|
|
".ply");
|
|
|
|
// std::cout << "Pattern:" << patternName << std::endl;
|
|
}
|
|
pattern.labels.push_back(PatternLabel::ArticulationPoints);
|
|
} else {
|
|
continue;
|
|
}
|
|
}
|
|
|
|
const bool isValidPattern =
|
|
!patternContainsIntersectingEdges && !tiledPatternHasDanglingEdges &&
|
|
!hasFloatingComponents && !hasArticulationPoints;
|
|
if (isValidPattern) {
|
|
statistics.numberOfValidPatterns++;
|
|
if (savePlyFiles) {
|
|
// if (numberOfDesiredEdges == 4) {
|
|
// std::cout << "Saving:"
|
|
// << std::filesystem::path(validPatternsPath)
|
|
// .append(patternName)
|
|
// .string() +
|
|
// ".ply"
|
|
// << std::endl;
|
|
// }
|
|
patternGeometry.savePly(std::filesystem::path(validPatternsPath)
|
|
.append(patternName)
|
|
.string() +
|
|
".ply");
|
|
tiledPatternGeometry.savePly(std::filesystem::path(validPatternsPath)
|
|
.append(patternName + "_tiled")
|
|
.string() +
|
|
".ply");
|
|
}
|
|
pattern.labels.push_back(PatternLabel::Valid);
|
|
}
|
|
|
|
assert(!pattern.labels.empty());
|
|
patternsSet.patterns.push_back(pattern);
|
|
// assert(vcg_tiledPatternHasDangling == tiledPatternHasDanglingEdges);
|
|
} while (std::next_permutation(patternBinaryRepresentation.begin(),
|
|
patternBinaryRepresentation.end()));
|
|
}
|
|
|
|
std::vector<size_t> TopologyEnumerator::getCoincideEdges(
|
|
const std::vector<size_t> &edgeNodeIndices) const {
|
|
std::vector<size_t> coincideEdges;
|
|
if (edgeNodeIndices.size() < 3)
|
|
return coincideEdges;
|
|
for (size_t edgeNodeIndex = 0; edgeNodeIndex < edgeNodeIndices.size() - 2;
|
|
edgeNodeIndex++) {
|
|
const size_t &firstNodeIndex = edgeNodeIndices[edgeNodeIndex];
|
|
for (size_t secondEdgeNodeIndex = edgeNodeIndex + 2;
|
|
secondEdgeNodeIndex < edgeNodeIndices.size(); secondEdgeNodeIndex++) {
|
|
const size_t &secondNodeIndex = edgeNodeIndices[secondEdgeNodeIndex];
|
|
coincideEdges.push_back(getEdgeIndex(firstNodeIndex, secondNodeIndex));
|
|
}
|
|
}
|
|
return coincideEdges;
|
|
}
|
|
|
|
bool TopologyEnumerator::isValidPattern(
|
|
const std::string &patternBinaryRepresentation,
|
|
const std::vector<vcg::Point2i> &validEdges,
|
|
const size_t &numberOfDesiredEdges) const {
|
|
return true;
|
|
}
|