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111 lines
3.5 KiB
111 lines
3.5 KiB
/**************************************************************************** |
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* VCGLib o o * |
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* Visual and Computer Graphics Library o o * |
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* _ O _ * |
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* Copyright(C) 2004-2016 \/)\/ * |
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* Visual Computing Lab /\/| * |
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* ISTI - Italian National Research Council | * |
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* \ * |
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* All rights reserved. * |
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* * |
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* This program is free software; you can redistribute it and/or modify * |
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* it under the terms of the GNU General Public License as published by * |
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* the Free Software Foundation; either version 2 of the License, or * |
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* (at your option) any later version. * |
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* * |
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* This program is distributed in the hope that it will be useful, * |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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* GNU General Public License (http://www.gnu.org/licenses/gpl.txt) * |
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* for more details. * |
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* * |
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****************************************************************************/ |
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/**************************************************************************** |
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History |
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$Log: not supported by cvs2svn $ |
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****************************************************************************/ |
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#ifndef VCG_BMT_H |
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#define VCG_BMT_H |
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#include <string> |
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#include <vector> |
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#include <vcg/space/sphere3.h> |
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#include <wrap/mt/mt.h> |
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namespace vcg { |
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/** \addtogroup bmt */ |
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/*@{*/ |
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/** |
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The class for representing a batched mt structure. |
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See bmt.cpp for details on the structure of the file. |
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*/ |
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class Bmt { |
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public: |
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///Cell structure for the mt representation |
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class Cell { |
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public: |
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//this effectively limits databases to 4Gb in size. |
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unsigned int offset; |
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float error; |
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Sphere3f sphere; |
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float Error() { return error; } |
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}; |
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///tells what is inside each cell. |
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unsigned int signature; |
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///Bounding sphere |
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Sphere3f sphere; |
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std::vector<Cell> index; |
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std::vector< MT<Bmt::Cell>::Update > history; |
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Bmt(); |
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~Bmt(); |
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bool Load(const std::string &filename); |
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char *GetData(unsigned int &size, unsigned int offset); |
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private: |
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FILE *fp; |
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unsigned int index_offset; |
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unsigned int index_size; |
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unsigned int history_offset; |
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unsigned int history_size; |
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}; |
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class BmtBuilder { |
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public: |
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BmtBuilder(); |
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~BmtBuilder(); |
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///tells what is inside each cell. |
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unsigned int signature; |
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///Bounding sphere |
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Sphere3f sphere; |
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std::vector<Bmt::Cell> index; |
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std::vector<std::vector<unsigned int > > creation; |
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std::vector<std::vector<unsigned int > > deletion; |
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bool Create(unsigned int signature); |
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unsigned int AddCell(Bmt::Cell cell, unsigned int size, char *data); |
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void AddUpdate(std::vector<unsigned int> &created, std::vector<unsigned int> &erased); |
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bool Save(const std::string &filename); |
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private: |
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FILE *ftmp; |
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FILE *fout; |
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}; |
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float Distance(Bmt::Cell &cell, Point3f &p); |
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}//end namespace |
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#endif |