/usr/include/libwildmagic/Wm5ETNonmanifoldMesh.h is in libwildmagic-dev 5.13-1ubuntu3.
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// Copyright (c) 1998-2014
// Distributed under the Boost Software License, Version 1.0.
// http://www.boost.org/LICENSE_1_0.txt
// http://www.geometrictools.com/License/Boost/LICENSE_1_0.txt
//
// File Version: 5.0.1 (2010/10/01)
#ifndef WM5ETNONMANIFOLDMESH_H
#define WM5ETNONMANIFOLDMESH_H
#include "Wm5MathematicsLIB.h"
#include "Wm5EdgeKey.h"
#include "Wm5TriangleKey.h"
namespace Wm5
{
class WM5_MATHEMATICS_ITEM ETNonmanifoldMesh
{
public:
// Edge data types.
class Edge;
typedef Edge* EPtr;
typedef const Edge* ECPtr;
typedef EPtr (*ECreator)(int,int);
typedef std::map<EdgeKey,Edge*> EMap;
typedef EMap::iterator EMapIterator;
typedef EMap::const_iterator EMapCIterator;
// Triangle data types.
class Triangle;
typedef Triangle* TPtr;
typedef const Triangle* TCPtr;
typedef TPtr (*TCreator)(int,int,int);
typedef std::map<TriangleKey,Triangle*> TMap;
typedef TMap::iterator TMapIterator;
typedef TMap::const_iterator TMapCIterator;
// Edge object.
class WM5_MATHEMATICS_ITEM Edge
{
public:
Edge (int v0, int v1);
virtual ~Edge ();
int V[2];
std::set<Triangle*> T;
};
class WM5_MATHEMATICS_ITEM Triangle
{
public:
Triangle (int v0, int v1, int v2);
virtual ~Triangle ();
// vertices (V[0],V[1],V[2])
int V[3];
// adjacent edges
// E[0] represents edge (V[0],V[1])
// E[1] represents edge (V[1],V[2])
// E[2] represents edge (V[2],V[0])
EPtr E[3];
};
ETNonmanifoldMesh (ECreator eCreator = 0, TCreator tCreator = 0);
virtual ~ETNonmanifoldMesh ();
// Member access.
inline int GetNumEdges () const;
inline const EMap& GetEdges () const;
inline int GetNumTriangles () const;
inline const TMap& GetTriangles () const;
// Mesh manipulation.
TPtr InsertTriangle (int v0, int v1, int v2);
bool RemoveTriangle (int v0, int v1, int v2);
// Topological operations.
bool IsManifold () const;
bool IsClosed () const;
bool IsConnected () const;
// Extract a connected component from the mesh and remove all the
// triangles of the component from the mesh. This is useful for computing
// the components in a very large mesh that uses a lot of memory. The
// intention is that the function is called until all components are
// found. The typical code is
//
// ETNonmanifoldMesh mesh = <some mesh>;
// int numTotalIndices = 3*mesh.GetNumTriangles();
// int* indices = new1<int>(numTotalIndices);
// for (int numIndices = 0; numIndices < numTotalIndices; /**/ )
// {
// int currNumIndices;
// int* currIndices = indices + numIndices;
// mesh.RemoveComponent(currNumIndices, currIndices);
// numIndices += currNumIndices;
// }
void RemoveComponent (int& numIndices, int* indices);
void Print (const char* filename);
protected:
static EPtr CreateEdge (int v0, int v1);
ECreator mECreator;
EMap mEMap;
static TPtr CreateTriangle (int v0, int v1, int v2);
TCreator mTCreator;
TMap mTMap;
};
#include "Wm5ETNonmanifoldMesh.inl"
}
#endif
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