cmp_template.cpp

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/*
 * Author: Steven Ludtke, 04/10/2003 (sludtke@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
 * 
 * */
 
#include "cmp_template.h"
#include "transform.h"
 
 
using namespace EMAN;
 
const string XYZCmp::NAME = "middle";
 
float XYZCmp::cmp(EMData * image, EMData * with) const
{
        validate_input_args(image, with);
 
#if 0
        int param1 = params["param1"];
        float param2 = params["param2"];
        // do something
#endif
        int nx=image->get_xsize();
        int ny=image->get_ysize();
        
        double ret=0;
        for (int i=nx/4; i<nx*3/4; i++) {
                for (int j=ny/4; j<ny*3/4; j++) {
                        ret+=image->get_value_at(i,j)*with->get_value_at(i,j);
                }
        }
 
        return (float) ret;
}