mirror of
https://github.com/NGSolve/netgen.git
synced 2024-09-23 02:02:49 +05:00
581 lines
10 KiB
C++
581 lines
10 KiB
C++
#ifndef FILE_ADTREE
|
|
#define FILE_ADTREE
|
|
|
|
/* *************************************************************************/
|
|
/* File: adtree.hh */
|
|
/* Author: Joachim Schoeberl */
|
|
/* Date: 16. Feb. 98 */
|
|
/* Redesigned by Wolfram Muehlhuber, May 1998 */
|
|
/* *************************************************************************/
|
|
|
|
|
|
namespace netgen
|
|
{
|
|
|
|
/**
|
|
Alternating Digital Tree
|
|
*/
|
|
|
|
// #include "../include/mystdlib.h"
|
|
// #include "../include/myadt.hpp"
|
|
|
|
class ADTreeNode
|
|
{
|
|
public:
|
|
ADTreeNode *left, *right, *father;
|
|
int dim;
|
|
float sep;
|
|
float *data;
|
|
float *boxmin;
|
|
float *boxmax;
|
|
int pi;
|
|
int nchilds;
|
|
|
|
ADTreeNode (int adim);
|
|
~ADTreeNode ();
|
|
|
|
friend class ADTree;
|
|
};
|
|
|
|
|
|
class ADTreeCriterion
|
|
{
|
|
public:
|
|
ADTreeCriterion() { }
|
|
virtual int Eval (const ADTreeNode * node) const = 0;
|
|
};
|
|
|
|
|
|
class ADTree
|
|
{
|
|
int dim;
|
|
ADTreeNode * root;
|
|
float *cmin, *cmax;
|
|
NgArray<ADTreeNode*> ela;
|
|
const ADTreeCriterion * criterion;
|
|
|
|
NgArray<ADTreeNode*> stack;
|
|
NgArray<int> stackdir;
|
|
int stackindex;
|
|
|
|
public:
|
|
ADTree (int adim, const float * acmin,
|
|
const float * acmax);
|
|
~ADTree ();
|
|
|
|
void Insert (const float * p, int pi);
|
|
// void GetIntersecting (const float * bmin, const float * bmax,
|
|
// NgArray<int> & pis) const;
|
|
void SetCriterion (ADTreeCriterion & acriterion);
|
|
void Reset ();
|
|
int Next ();
|
|
void GetMatch (NgArray<int> & matches);
|
|
|
|
void DeleteElement (int pi);
|
|
|
|
|
|
void Print (ostream & ost) const
|
|
{ PrintRec (ost, root); }
|
|
|
|
void PrintRec (ostream & ost, const ADTreeNode * node) const;
|
|
};
|
|
|
|
|
|
|
|
class ADTreeNode3
|
|
{
|
|
public:
|
|
ADTreeNode3 *left, *right, *father;
|
|
float sep;
|
|
float data[3];
|
|
int pi;
|
|
int nchilds;
|
|
|
|
ADTreeNode3 ();
|
|
void DeleteChilds ();
|
|
friend class ADTree3;
|
|
|
|
static BlockAllocator ball;
|
|
void * operator new(size_t);
|
|
void operator delete (void *);
|
|
};
|
|
|
|
|
|
class ADTree3
|
|
{
|
|
ADTreeNode3 * root;
|
|
float cmin[3], cmax[3];
|
|
NgArray<ADTreeNode3*> ela;
|
|
|
|
public:
|
|
ADTree3 (const float * acmin,
|
|
const float * acmax);
|
|
~ADTree3 ();
|
|
|
|
void Insert (const float * p, int pi);
|
|
void GetIntersecting (const float * bmin, const float * bmax,
|
|
NgArray<int> & pis) const;
|
|
|
|
void DeleteElement (int pi);
|
|
|
|
|
|
void Print (ostream & ost) const
|
|
{ PrintRec (ost, root); }
|
|
|
|
void PrintRec (ostream & ost, const ADTreeNode3 * node) const;
|
|
};
|
|
|
|
|
|
/*
|
|
|
|
// divide each direction
|
|
#define ADTN_DIV 10
|
|
class ADTreeNode3Div
|
|
{
|
|
public:
|
|
ADTreeNode3Div *father;
|
|
ADTreeNode3Div *childs[ADTN_DIV];
|
|
|
|
float minx, dist;
|
|
float data[3];
|
|
int pi;
|
|
int nchilds;
|
|
|
|
ADTreeNode3Div ();
|
|
void DeleteChilds ();
|
|
friend class ADTree3Div;
|
|
|
|
static BlockAllocator ball;
|
|
void * operator new(size_t);
|
|
void operator delete (void *);
|
|
};
|
|
|
|
|
|
class ADTree3Div
|
|
{
|
|
ADTreeNode3Div * root;
|
|
float cmin[3], cmax[3];
|
|
NgArray<ADTreeNode3Div*> ela;
|
|
|
|
public:
|
|
ADTree3Div (const float * acmin,
|
|
const float * acmax);
|
|
~ADTree3Div ();
|
|
|
|
void Insert (const float * p, int pi);
|
|
void GetIntersecting (const float * bmin, const float * bmax,
|
|
NgArray<int> & pis) const;
|
|
|
|
void DeleteElement (int pi);
|
|
|
|
|
|
void Print (ostream & ost) const
|
|
{ PrintRec (ost, root); }
|
|
|
|
void PrintRec (ostream & ost, const ADTreeNode3Div * node) const;
|
|
};
|
|
|
|
|
|
|
|
|
|
#define ADTN_SIZE 10
|
|
|
|
// multiple entries
|
|
class ADTreeNode3M
|
|
{
|
|
public:
|
|
ADTreeNode3M *left, *right, *father;
|
|
float sep;
|
|
float data[ADTN_SIZE][3];
|
|
int pi[ADTN_SIZE];
|
|
int nchilds;
|
|
|
|
ADTreeNode3M ();
|
|
void DeleteChilds ();
|
|
friend class ADTree3M;
|
|
|
|
static BlockAllocator ball;
|
|
void * operator new(size_t);
|
|
void operator delete (void *);
|
|
};
|
|
|
|
|
|
class ADTree3M
|
|
{
|
|
ADTreeNode3M * root;
|
|
float cmin[3], cmax[3];
|
|
NgArray<ADTreeNode3M*> ela;
|
|
|
|
public:
|
|
ADTree3M (const float * acmin,
|
|
const float * acmax);
|
|
~ADTree3M ();
|
|
|
|
void Insert (const float * p, int pi);
|
|
void GetIntersecting (const float * bmin, const float * bmax,
|
|
NgArray<int> & pis) const;
|
|
|
|
void DeleteElement (int pi);
|
|
|
|
|
|
void Print (ostream & ost) const
|
|
{ PrintRec (ost, root); }
|
|
|
|
void PrintRec (ostream & ost, const ADTreeNode3M * node) const;
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
class ADTreeNode3F
|
|
{
|
|
public:
|
|
ADTreeNode3F *father;
|
|
ADTreeNode3F *childs[8];
|
|
float sep[3];
|
|
float data[3];
|
|
int pi;
|
|
int nchilds;
|
|
|
|
ADTreeNode3F ();
|
|
void DeleteChilds ();
|
|
friend class ADTree3F;
|
|
|
|
static BlockAllocator ball;
|
|
void * operator new(size_t);
|
|
void operator delete (void *);
|
|
};
|
|
|
|
// fat tree
|
|
class ADTree3F
|
|
{
|
|
ADTreeNode3F * root;
|
|
float cmin[3], cmax[3];
|
|
NgArray<ADTreeNode3F*> ela;
|
|
|
|
public:
|
|
ADTree3F (const float * acmin,
|
|
const float * acmax);
|
|
~ADTree3F ();
|
|
|
|
void Insert (const float * p, int pi);
|
|
void GetIntersecting (const float * bmin, const float * bmax,
|
|
NgArray<int> & pis) const;
|
|
|
|
void DeleteElement (int pi);
|
|
|
|
|
|
void Print (ostream & ost) const
|
|
{ PrintRec (ost, root); }
|
|
|
|
void PrintRec (ostream & ost, const ADTreeNode3F * node) const;
|
|
};
|
|
|
|
|
|
|
|
|
|
class ADTreeNode3FM
|
|
{
|
|
public:
|
|
ADTreeNode3FM *father;
|
|
ADTreeNode3FM *childs[8];
|
|
float sep[3];
|
|
float data[ADTN_SIZE][3];
|
|
int pi[ADTN_SIZE];
|
|
int nchilds;
|
|
|
|
ADTreeNode3FM ();
|
|
void DeleteChilds ();
|
|
friend class ADTree3FM;
|
|
|
|
static BlockAllocator ball;
|
|
void * operator new(size_t);
|
|
void operator delete (void *);
|
|
};
|
|
|
|
// fat tree
|
|
class ADTree3FM
|
|
{
|
|
ADTreeNode3FM * root;
|
|
float cmin[3], cmax[3];
|
|
NgArray<ADTreeNode3FM*> ela;
|
|
|
|
public:
|
|
ADTree3FM (const float * acmin,
|
|
const float * acmax);
|
|
~ADTree3FM ();
|
|
|
|
void Insert (const float * p, int pi);
|
|
void GetIntersecting (const float * bmin, const float * bmax,
|
|
NgArray<int> & pis) const;
|
|
|
|
void DeleteElement (int pi);
|
|
|
|
|
|
void Print (ostream & ost) const
|
|
{ PrintRec (ost, root); }
|
|
|
|
void PrintRec (ostream & ost, const ADTreeNode3FM * node) const;
|
|
};
|
|
|
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
|
|
class ADTreeNode6
|
|
{
|
|
public:
|
|
ADTreeNode6 *left, *right, *father;
|
|
float sep;
|
|
float data[6];
|
|
int pi;
|
|
int nchilds;
|
|
|
|
ADTreeNode6 ();
|
|
void DeleteChilds ();
|
|
friend class ADTree6;
|
|
|
|
static BlockAllocator ball;
|
|
void * operator new(size_t);
|
|
void operator delete (void *);
|
|
};
|
|
|
|
|
|
class ADTree6
|
|
{
|
|
ADTreeNode6 * root;
|
|
float cmin[6], cmax[6];
|
|
NgArray<ADTreeNode6*> ela;
|
|
|
|
public:
|
|
ADTree6 (const float * acmin,
|
|
const float * acmax);
|
|
~ADTree6 ();
|
|
|
|
void Insert (const float * p, int pi);
|
|
void GetIntersecting (const float * bmin, const float * bmax,
|
|
NgArray<int> & pis) const;
|
|
|
|
void DeleteElement (int pi);
|
|
|
|
|
|
void Print (ostream & ost) const
|
|
{ PrintRec (ost, root); }
|
|
int Depth () const
|
|
{ return DepthRec (root); }
|
|
int Elements () const
|
|
{ return ElementsRec (root); }
|
|
|
|
void PrintRec (ostream & ost, const ADTreeNode6 * node) const;
|
|
int DepthRec (const ADTreeNode6 * node) const;
|
|
int ElementsRec (const ADTreeNode6 * node) const;
|
|
|
|
void PrintMemInfo (ostream & ost) const;
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
template <int DIM, typename T>
|
|
class T_ADTreeNode
|
|
{
|
|
public:
|
|
T_ADTreeNode *left, *right, *father;
|
|
float sep;
|
|
// float data[DIM];
|
|
Point<DIM,float> data;
|
|
T pi;
|
|
int nchilds;
|
|
|
|
T_ADTreeNode ()
|
|
{
|
|
// pi = -1;
|
|
SetInvalid(pi);
|
|
left = NULL;
|
|
right = NULL;
|
|
father = NULL;
|
|
nchilds = 0;
|
|
}
|
|
|
|
void DeleteChilds ()
|
|
{
|
|
if (left)
|
|
{
|
|
left->DeleteChilds();
|
|
delete left;
|
|
left = NULL;
|
|
}
|
|
if (right)
|
|
{
|
|
right->DeleteChilds();
|
|
delete right;
|
|
right = NULL;
|
|
}
|
|
}
|
|
|
|
// friend class T_ADTree<DIM>;
|
|
|
|
static BlockAllocator ball;
|
|
void * operator new(size_t)
|
|
{
|
|
return ball.Alloc();
|
|
}
|
|
|
|
void operator delete (void * p)
|
|
{
|
|
ball.Free(p);
|
|
}
|
|
};
|
|
|
|
|
|
|
|
|
|
template <int dim, typename T = INDEX>
|
|
class T_ADTree
|
|
{
|
|
T_ADTreeNode<dim,T> * root;
|
|
// float cmin[dim], cmax[dim];
|
|
Point<dim> cmin, cmax;
|
|
// NgArray<T_ADTreeNode<dim>*> ela;
|
|
ClosedHashTable<T, T_ADTreeNode<dim,T>*> ela;
|
|
public:
|
|
T_ADTree (Point<dim> acmin, Point<dim> acmax);
|
|
~T_ADTree ();
|
|
|
|
void Insert (Point<dim> p, T pi);
|
|
void GetIntersecting (Point<dim> bmin, Point<dim> bmax,
|
|
NgArray<T> & pis) const;
|
|
|
|
void DeleteElement (T pi);
|
|
|
|
void Print (ostream & ost) const
|
|
{ PrintRec (ost, root); }
|
|
int Depth () const
|
|
{ return DepthRec (root); }
|
|
int Elements () const
|
|
{ return ElementsRec (root); }
|
|
|
|
void PrintRec (ostream & ost, const T_ADTreeNode<dim,T> * node) const;
|
|
int DepthRec (const T_ADTreeNode<dim,T> * node) const;
|
|
int ElementsRec (const T_ADTreeNode<dim,T> * node) const;
|
|
|
|
void PrintMemInfo (ostream & ost) const;
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
class ADTreeNode6F
|
|
{
|
|
public:
|
|
ADTreeNode6F * father;
|
|
ADTreeNode6F * childs[64];
|
|
|
|
float sep[6];
|
|
float data[6];
|
|
int pi;
|
|
int nchilds;
|
|
|
|
ADTreeNode6F ();
|
|
void DeleteChilds ();
|
|
friend class ADTree6F;
|
|
|
|
static BlockAllocator ball;
|
|
void * operator new(size_t);
|
|
void operator delete (void *);
|
|
};
|
|
|
|
|
|
class ADTree6F
|
|
{
|
|
ADTreeNode6F * root;
|
|
float cmin[6], cmax[6];
|
|
NgArray<ADTreeNode6F*> ela;
|
|
|
|
public:
|
|
ADTree6F (const float * acmin,
|
|
const float * acmax);
|
|
~ADTree6F ();
|
|
|
|
void Insert (const float * p, int pi);
|
|
void GetIntersecting (const float * bmin, const float * bmax,
|
|
NgArray<int> & pis) const;
|
|
|
|
void DeleteElement (int pi);
|
|
|
|
|
|
void Print (ostream & ost) const
|
|
{ PrintRec (ost, root); }
|
|
int Depth () const
|
|
{ return DepthRec (root); }
|
|
|
|
void PrintRec (ostream & ost, const ADTreeNode6F * node) const;
|
|
int DepthRec (const ADTreeNode6F * node) const;
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
|
|
class Point3dTree
|
|
{
|
|
ADTree3 * tree;
|
|
|
|
public:
|
|
DLL_HEADER Point3dTree (const Point<3> & pmin, const Point<3> & pmax);
|
|
DLL_HEADER ~Point3dTree ();
|
|
DLL_HEADER void Insert (const Point<3> & p, int pi);
|
|
void DeleteElement (int pi)
|
|
{ tree->DeleteElement(pi); }
|
|
DLL_HEADER void GetIntersecting (const Point<3> & pmin, const Point<3> & pmax,
|
|
NgArray<int> & pis) const;
|
|
const ADTree3 & Tree() const { return *tree; };
|
|
};
|
|
|
|
|
|
template <int dim, typename T = INDEX>
|
|
class BoxTree
|
|
{
|
|
T_ADTree<2*dim,T> * tree;
|
|
Point<dim> boxpmin, boxpmax;
|
|
public:
|
|
BoxTree (const Box<dim> & abox);
|
|
BoxTree (const Point<dim> & apmin, const Point<dim> & apmax);
|
|
~BoxTree ();
|
|
void Insert (const Point<dim> & bmin, const Point<dim> & bmax, T pi);
|
|
void Insert (const Box<dim> & box, T pi)
|
|
{
|
|
Insert (box.PMin(), box.PMax(), pi);
|
|
}
|
|
void DeleteElement (T pi)
|
|
{ tree->DeleteElement(pi); }
|
|
void GetIntersecting (const Point<dim> & pmin, const Point<dim> & pmax,
|
|
NgArray<T> & pis) const;
|
|
double Tolerance() const { return 1e-7 * Dist(boxpmax, boxpmin); } // single precision
|
|
const auto & Tree() const { return *tree; };
|
|
auto & Tree() { return *tree; };
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|