264 lines
7.8 KiB
C
264 lines
7.8 KiB
C
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#pragma once
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#include <iostream>
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using namespace std;
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//<2F><><EFBFBD><EFBFBD><EFBFBD>˲<EFBFBD><CBB2><EFBFBD><EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD>
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template<class T>
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struct OctreeNode
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{
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T data; //<2F>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD><EFBFBD>
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T xmin, xmax; //<2F>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD>꣬<EFBFBD><EAA3AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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T ymin, ymax;
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T zmin, zmax;
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OctreeNode <T>* top_left_front, * top_left_back; //<2F>ýڵ<C3BD><DAB5>ĸ<EFBFBD><C4B8>ӽ<EFBFBD><D3BD><EFBFBD>
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OctreeNode <T>* top_right_front, * top_right_back;
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OctreeNode <T>* bottom_left_front, * bottom_left_back;
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OctreeNode <T>* bottom_right_front, * bottom_right_back;
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OctreeNode //<2F>ڵ<EFBFBD><DAB5><EFBFBD>
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(T nodeValue = T(),
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T xminValue = T(), T xmaxValue = T(),
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T yminValue = T(), T ymaxValue = T(),
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T zminValue = T(), T zmaxValue = T(),
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OctreeNode<T>* top_left_front_Node = NULL,
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OctreeNode<T>* top_left_back_Node = NULL,
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OctreeNode<T>* top_right_front_Node = NULL,
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OctreeNode<T>* top_right_back_Node = NULL,
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OctreeNode<T>* bottom_left_front_Node = NULL,
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OctreeNode<T>* bottom_left_back_Node = NULL,
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OctreeNode<T>* bottom_right_front_Node = NULL,
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OctreeNode<T>* bottom_right_back_Node = NULL)
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:data(nodeValue),
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xmin(xminValue), xmax(xmaxValue),
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ymin(yminValue), ymax(ymaxValue),
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zmin(zminValue), zmax(zmaxValue),
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top_left_front(top_left_front_Node),
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top_left_back(top_left_back_Node),
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top_right_front(top_right_front_Node),
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top_right_back(top_right_back_Node),
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bottom_left_front(bottom_left_front_Node),
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bottom_left_back(bottom_left_back_Node),
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bottom_right_front(bottom_right_front_Node),
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bottom_right_back(bottom_right_back_Node) {}
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};
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//<2F><><EFBFBD><EFBFBD><EFBFBD>˲<EFBFBD><CBB2><EFBFBD>
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template <class T>
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void createOctree(OctreeNode<T>*& root, int maxdepth, double xmin, double xmax, double ymin, double ymax, double zmin, double zmax)
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{
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//cout<<"<22><><EFBFBD><EFBFBD><EFBFBD>У<EFBFBD><D0A3><EFBFBD><EFBFBD>Ժ<D4BA>"<<endl;
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maxdepth = maxdepth - 1; //ÿ<>ݹ<EFBFBD>һ<EFBFBD>ξͽ<CEBE><CDBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݹ<EFBFBD><DDB9><EFBFBD><EFBFBD><EFBFBD>-1
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if (maxdepth >= 0)
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{
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root = new OctreeNode<T>();
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//cout << "<22><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD>ֵ:";
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//root->data =9;//Ϊ<>ڵ㸳ֵ<E3B8B3><D6B5><EFBFBD><EFBFBD><EFBFBD>Դ洢<D4B4>ڵ<EFBFBD><DAB5><EFBFBD>Ϣ<EFBFBD><CFA2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɼ<EFBFBD><C9BC>ԡ<EFBFBD><D4A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ǽ<EFBFBD><C7BC><EFBFBD>ʵ<EFBFBD>ְ˲<D6B0><CBB2><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܣ<EFBFBD><DCA3><EFBFBD>ֵΪ9<CEAA><39>
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cin >> root->data; //Ϊ<>ڵ㸳ֵ
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root->xmin = xmin; //Ϊ<>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD>긳ֵ
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root->xmax = xmax;
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root->ymin = ymin;
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root->ymax = ymax;
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root->zmin = zmin;
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root->zmax = zmax;
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double xm = (xmax - xmin) / 2;//<2F><><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD>ά<EFBFBD><CEAC><EFBFBD>ϵİ<CFB5><C4B0>߳<EFBFBD>
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double ym = (ymax - ymin) / 2;
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double zm = (ymax - ymin) / 2;
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//<2F>ݹ鴴<DDB9><E9B4B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ÿһ<C3BF><D2BB><EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ǽ<EFBFBD><C7BC>Žڵ㣩<DAB5><E3A3A9>λ<EFBFBD>þ<EFBFBD><C3BE><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӽ<EFBFBD><D3BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ꡣ
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createOctree(root->top_left_front, maxdepth, xmin, xmax - xm, ymax - ym, ymax, zmax - zm, zmax);
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createOctree(root->top_left_back, maxdepth, xmin, xmax - xm, ymin, ymax - ym, zmax - zm, zmax);
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createOctree(root->top_right_front, maxdepth, xmax - xm, xmax, ymax - ym, ymax, zmax - zm, zmax);
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createOctree(root->top_right_back, maxdepth, xmax - xm, xmax, ymin, ymax - ym, zmax - zm, zmax);
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createOctree(root->bottom_left_front, maxdepth, xmin, xmax - xm, ymax - ym, ymax, zmin, zmax - zm);
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createOctree(root->bottom_left_back, maxdepth, xmin, xmax - xm, ymin, ymax - ym, zmin, zmax - zm);
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createOctree(root->bottom_right_front, maxdepth, xmax - xm, xmax, ymax - ym, ymax, zmin, zmax - zm);
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createOctree(root->bottom_right_back, maxdepth, xmax - xm, xmax, ymin, ymax - ym, zmin, zmax - zm);
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}
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}
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int i = 1;
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//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˲<EFBFBD><CBB2><EFBFBD>
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template <class T>
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void preOrder(OctreeNode<T>*& p)
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{
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if (p)
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{
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//cout << i << ".<2E><>ǰ<EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD>ֵΪ<D6B5><CEAA>" << p->data << "\n<><6E><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA>";
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//cout << "xmin: " << p->xmin << " xmax: " << p->xmax;
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//cout << "ymin: " << p->ymin << " ymax: " << p->ymax;
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//cout << "zmin: " << p->zmin << " zmax: " << p->zmax;
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i += 1;
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cout << endl;
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preOrder(p->top_left_front);
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preOrder(p->top_left_back);
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preOrder(p->top_right_front);
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preOrder(p->top_right_back);
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preOrder(p->bottom_left_front);
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preOrder(p->bottom_left_back);
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preOrder(p->bottom_right_front);
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preOrder(p->bottom_right_back);
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cout << endl;
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}
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}
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//<2F><><EFBFBD>˲<EFBFBD><CBB2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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template<class T>
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int depth(OctreeNode<T>*& p)
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{
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if (p == NULL)
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return -1;
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int h = depth(p->top_left_front);
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return h + 1;
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}
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template<class T>
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int num(OctreeNode<T>*& p)
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{
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if (p == NULL)
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return 0;
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return 1 + num(p->top_left_front) + num(p->top_left_back) + num(p->top_right_back) + num(p->top_right_front) + num(p->bottom_left_back) + num(p->bottom_left_front) + num(p->bottom_right_back) + num(p->bottom_right_front);
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}
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//<2F><><EFBFBD>㵥λ<E3B5A5><CEBB><EFBFBD>ȣ<EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD>ҵ<EFBFBD><D2B5><EFBFBD><EFBFBD><D7BC>
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int cal(int num)
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{
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int result = 1;
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if (1 == num)
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result = 1;
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else
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{
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for (int i = 1; i < num; i++)
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result = 2 * result;
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}
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return result;
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}
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template<class T>
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int find(OctreeNode<T>*& p, double x, double y, double z)
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{
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//<2F><><EFBFBD>ҵ<EFBFBD>
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int maxdepth = 0;
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int times = 0;
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static double xmin = 0, xmax = 0, ymin = 0, ymax = 0, zmin = 0, zmax = 0;
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int tmaxdepth = 0;
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double txm = 1, tym = 1, tzm = 1;
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double xm = (p->xmax - p->xmin) / 2;
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double ym = (p->ymax - p->ymin) / 2;
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double zm = (p->ymax - p->ymin) / 2;
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times++;
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if (x > xmax || x<xmin || y>ymax || y<ymin || z>zmax || z < zmin)
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{
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//cout << "<22>õ㲻<C3B5>ڳ<EFBFBD><DAB3><EFBFBD><EFBFBD>У<EFBFBD>" << endl;
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return 0;
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}
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if (x <= p->xmin + txm && x >= p->xmax - txm && y <= p->ymin + tym && y >= p->ymax - tym && z <= p->zmin + tzm && z >= p->zmax - tzm)
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{
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//cout << endl << "<22>ҵ<EFBFBD><D2B5>õ㣡" << "<22>õ<EFBFBD>λ<EFBFBD><CEBB>" << endl;
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//cout << "xmin: " << p->xmin << " xmax: " << p->xmax;
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//cout << "ymin: " << p->ymin << " ymax: " << p->ymax;
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//cout << "zmin: " << p->zmin << " zmax: " << p->zmax;
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//cout << "<22>ڵ<EFBFBD><DAB5>ڣ<EFBFBD>" << endl;
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//cout << "<22><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>" << times << "<22>εݹ飡" << endl;
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return 1;
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}
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else if (x < (p->xmax - xm) && y < (p->ymax - ym) && z < (p->zmax - zm))
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{
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find(p->bottom_left_back, x, y, z);
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}
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else if (x < (p->xmax - xm) && y<(p->ymax - ym) && z>(p->zmax - zm))
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{
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find(p->top_left_back, x, y, z);
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}
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else if (x > (p->xmax - xm) && y < (p->ymax - ym) && z < (p->zmax - zm))
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{
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find(p->bottom_right_back, x, y, z);
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}
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else if (x > (p->xmax - xm) && y<(p->ymax - ym) && z>(p->zmax - zm))
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{
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find(p->top_right_back, x, y, z);
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}
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else if (x<(p->xmax - xm) && y>(p->ymax - ym) && z < (p->zmax - zm))
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{
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find(p->bottom_left_front, x, y, z);
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}
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else if (x<(p->xmax - xm) && y>(p->ymax - ym) && z > (p->zmax - zm))
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{
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find(p->top_left_front, x, y, z);
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}
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else if (x > (p->xmax - xm) && y > (p->ymax - ym) && z < (p->zmax - zm))
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{
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find(p->bottom_right_front, x, y, z);
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}
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else if (x > (p->xmax - xm) && y > (p->ymax - ym) && z > (p->zmax - zm))
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{
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find(p->top_right_front, x, y, z);
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}
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}
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//main<69><6E><EFBFBD><EFBFBD>
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/*
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int main()
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{
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OctreeNode<double>* rootNode = NULL;
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int choiced = 0;
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cout << "ϵͳ<EFBFBD><EFBFBD>ʼǰ<EFBFBD><EFBFBD><EFBFBD>ȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>˲<EFBFBD><EFBFBD><EFBFBD>" << endl;
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cout << "<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȣ<EFBFBD>" << endl;
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cin >> maxdepth;
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cout << "<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>꣬˳<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>£<EFBFBD>xmin,xmax,ymin,ymax,zmin,zmax" << endl;
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cin >> xmin >> xmax >> ymin >> ymax >> zmin >> zmax;
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if (maxdepth >= 0 || xmax > xmin || ymax > ymin || zmax > zmin || xmin > 0 || ymin > 0 || zmin > 0)
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{
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tmaxdepth = cal(maxdepth);
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txm = (xmax - xmin) / tmaxdepth;
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tym = (ymax - ymin) / tmaxdepth;
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tzm = (zmax - zmin) / tmaxdepth;
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createOctree(rootNode, maxdepth, xmin, xmax, ymin, ymax, zmin, zmax);
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}
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while (true)
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{
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system("cls");
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cout << "<EFBFBD><EFBFBD>ѡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>\n";
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cout << "\t1.<2E><><EFBFBD><EFBFBD><EFBFBD>ռ<EFBFBD><D5BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĸ<EFBFBD><C4B8><EFBFBD>\n";
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cout << "\t2.<2E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˲<EFBFBD><CBB2><EFBFBD>\n";
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cout << "\t3.<2E>鿴<EFBFBD><E9BFB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>\n";
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cout << "\t4.<2E><><EFBFBD>ҽڵ<D2BD> \n";
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cout << "\t0.<2E>˳<EFBFBD>\n";
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cin >> choiced;
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if (choiced == 0)
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return 0;
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if (choiced == 1)
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{
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system("cls");
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cout << "<EFBFBD>ռ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>" << endl;
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cout << num(rootNode);
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}
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if (choiced == 2)
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{
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system("cls");
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cout << "<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˲<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>/n";
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i = 1;
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preOrder(rootNode);
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cout << endl;
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system("pause");
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}
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if (choiced == 3)
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{
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system("cls");
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int dep = depth(rootNode);
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cout << "<EFBFBD>˰˲<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ" << dep + 1 << endl;
|
|||
|
|
system("pause");
|
|||
|
|
}
|
|||
|
|
if (choiced == 4)
|
|||
|
|
{
|
|||
|
|
system("cls");
|
|||
|
|
cout << "<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҵĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>꣬˳<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>£<EFBFBD>x,y,z\n";
|
|||
|
|
double x, y, z;
|
|||
|
|
cin >> x >> y >> z;
|
|||
|
|
times = 0;
|
|||
|
|
cout << endl << "<EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD>Ѱ<EFBFBD>õ㡭<EFBFBD><EFBFBD>" << endl;
|
|||
|
|
find(rootNode, x, y, z);
|
|||
|
|
system("pause");
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
system("cls");
|
|||
|
|
cout << "\n\n<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>\n";
|
|||
|
|
system("pause");
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
*/
|