omapio.h

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/*
 * Author: Grant Tang, 06/07/2011 (gtang@bcm.edu)
 * Copyright (c) 2000-2006 Baylor College of Medicine
 *
 * This software is issued under a joint BSD/GNU license. You may use the
 * source code in this file under either license. However, note that the
 * complete EMAN2 and SPARX software packages have some GPL dependencies,
 * so you are responsible for compliance with the licenses of these packages
 * if you opt to use BSD licensing. The warranty disclaimer below holds
 * in either instance.
 *
 * This complete copyright notice must be included in any revised version of the
 * source code. Additional authorship citations may be added, but existing
 * author citations must be preserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 * */
 
#ifndef eman__omapio_h__
#define eman__omapio_h__ 1
 
#include "imageio.h"
 
namespace EMAN
{
        class OmapIO : public ImageIO
        {
        public:
                explicit OmapIO(const string & fname, IOMode rw_mode = READ_ONLY);
                ~OmapIO();
 
                DEFINE_IMAGEIO_FUNC;
 
                static bool is_valid(const void *first_block, off_t file_size = 0);
 
        private:
                struct OmapHeader
                {
                        short xstart;           //x start
                        short ystart;           //y start
                        short zstart;           //z start
                        short nx;                       //x extent
                        short ny;                       //y extent
                        short nz;                       //z extent
                        short apix_x;           //x sampling rate
                        short apix_y;           //y sampling rate
                        short apix_z;           //z sampling rate
                        short header10;         //header18*A Cell Edge
                        short header11;         //header18*B Cell Edge
                        short header12;         //header18*C Cell Edge
                        short alpha;            //alpha
                        short beta;                     //beta
                        short gamma;            //gamma
                        short iprod;            //scale2*(253-3)/(Rhomax-Rhomin)
                        short iplus;            //(3*Rhomax-253*Rhomin)/(Rhomax-Rhomin)
                        short scale;            //Cell Constant Scaling Factor
                        short scale2;           //constant 100
 
                        short imin;                     //minimum
                        short imax;                     //maximum
                        short isigma;           //sigma
                        short imean;            //mean, probably not really there
 
                        short unused[233];      //unused space
                };
 
                OmapHeader omaph;
 
                bool is_big_endian;
                bool is_new_file;
        };
 
}
 
#endif  //eman__omapio_h__