69 lines
2.6 KiB
C++
69 lines
2.6 KiB
C++
#ifndef FLATPATTERNGEOMETRY_HPP
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#define FLATPATTERNGEOMETRY_HPP
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#include "edgemesh.hpp"
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#include <string>
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#include <unordered_map>
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#include <unordered_set>
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class FlatPatternGeometry : public VCGEdgeMesh {
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private:
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size_t
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computeTiledValence(const size_t &nodeIndex,
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const std::vector<size_t> &numberOfNodesPerSlot) const;
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size_t getNodeValence(const size_t &nodeIndex) const;
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size_t getNodeSlot(const size_t &nodeIndex) const;
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const size_t fanSize{6};
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std::vector<VCGEdgeMesh::CoordType> vertices;
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const double triangleEdgeSize{1}; // radius edge
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std::unordered_map<size_t, size_t> nodeSlot;
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std::unordered_map<size_t, size_t> correspondingNode;
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std::unordered_map<size_t, size_t> nodeTiledValence;
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void
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constructCorresponginNodeMap(const std::vector<size_t> &numberOfNodesPerSlot);
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void constructNodeToTiledValenceMap(
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const std::vector<size_t> &numberOfNodesPerSlot);
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public:
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FlatPatternGeometry();
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/*The following function should be a copy constructor with
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* a const argument but this is impossible due to the
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* vcglib interface.
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* */
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FlatPatternGeometry(FlatPatternGeometry &other);
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bool savePly(const std::string plyFilename);
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void add(const std::vector<vcg::Point3d> &vertices);
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void add(const std::vector<vcg::Point2i> &edges);
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void add(const std::vector<vcg::Point3d> &vertices,
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const std::vector<vcg::Point2i> &edges);
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void add(const std::vector<size_t> &numberOfNodesPerSlot,
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const std::vector<vcg::Point2i> &edges);
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static std::vector<vcg::Point3d>
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constructVertexVector(const std::vector<size_t> &numberOfNodesPerSlot,
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const size_t &fanSize, const double &triangleEdgeSize);
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bool hasDanglingEdges(const std::vector<size_t> &numberOfNodesPerSlot);
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std::vector<vcg::Point3d> getVertices() const;
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static FlatPatternGeometry createFan(FlatPatternGeometry &pattern);
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static FlatPatternGeometry createTile(FlatPatternGeometry &pattern);
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double getTriangleEdgeSize() const;
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bool hasUntiledDanglingEdges();
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std::unordered_map<size_t, std::unordered_set<size_t>>
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getIntersectingEdges(size_t &numberOfIntersectingEdgePairs) const;
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static 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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bool isFullyConnectedWhenTiled();
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bool hasIntersectingEdges(
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const std::string &patternBinaryRepresentation,
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const std::unordered_map<size_t, std::unordered_set<size_t>>
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&intersectingEdges);
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bool isPatternValid();
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size_t getFanSize() const;
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};
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#endif // FLATPATTERNGEOMETRY_HPP
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