89 lines
2.0 KiB
C++
89 lines
2.0 KiB
C++
#ifndef DCEL_INC
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#define DCEL_INC
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#include <vector>
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#include "analysis/pmmc.h"
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/*
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Doubly-connected edge list (DECL)
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*/
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// Vertex structure
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class Vertex{
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public:
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Vertex() { d_data.resize(12); }
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~Vertex() = default;
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Vertex( const Vertex& ) = delete;
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Vertex operator=( const Vertex& ) = delete;
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// Add/assign a point
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inline void add( const Point& P ) { d_data.push_back( P ); }
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inline void assign( int idx, const Point& P ) { d_data[idx] = P; }
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// Get a point
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inline Point& coords( int idx ) { return d_data[idx]; }
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inline const Point& coords( int idx ) const { return d_data[idx]; }
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int IncidentEdge();
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// Return the number of points
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inline int size() const { return d_data.size(); }
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private:
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std::vector<Point> d_data;
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};
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// Halfedge structure
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// Face
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class Halfedge{
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public:
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Halfedge() = default;
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~Halfedge() = default;
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Halfedge( const Halfedge& ) = delete;
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Halfedge operator=( const Halfedge& ) = delete;
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inline int v1(int edge) const { return d_data[edge][0]; }
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inline int v2(int edge) const { return d_data[edge][1]; }
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inline int face(int edge) const { return d_data[edge][2]; }
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inline int twin(int edge) const { return d_data[edge][3]; }
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inline int prev(int edge) const { return d_data[edge][4]; }
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inline int next(int edge) const { return d_data[edge][5]; }
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inline int size() const { return d_data.size(); }
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inline void resize( int N ) { d_data.resize( N ); }
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inline int& data( int i, int j ) { return d_data[j][i]; }
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inline const int& data( int i, int j ) const { return d_data[j][i]; }
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private:
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std::vector<std::array<int,6>> d_data;
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};
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// DECL
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class DECL{
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public:
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DECL();
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~DECL();
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int face();
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Vertex vertex;
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Halfedge halfedge;
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void LocalIsosurface(const DoubleArray& A, double value, int i, int j, int k);
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void Write();
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int Face(int index);
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double origin(int edge);
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double EdgeAngle(int edge);
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Point TriNormal(int edge);
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int TriangleCount;
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int VertexCount;
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private:
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std::vector<int> FaceData;
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};
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void iso_surface(const Array<double>&Field, const double isovalue);
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#endif
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