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/* $Id: detected_slits.cpp,v 1.5 2013-07-24 14:58:34 cgarcia Exp $
*
* This file is part of the MOSCA library
* Copyright (C) 2013 European Southern Observatory
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
* $Author: cgarcia $
* $Date: 2013-07-24 14:58:34 $
* $Revision: 1.5 $
* $Name: not supported by cvs2svn $
*/
#include <iostream>
#include <stdexcept>
#include <sstream>
#include <cpl_table.h>
#include "detected_slits.h"
std::vector<mosca::detected_slit>
mosca::detected_slits_load_fits(const std::string& fitsfile_slit_loc,
const std::string& fitsfile_curv_coeff,
int image_disp_size)
{
std::vector<detected_slit> slits;
/* We read from extension 1 of slit location table */
cpl_table* slit_table = cpl_table_load(fitsfile_slit_loc.c_str(), 1, 0);
/* We read from extension 1 of curvature coefficients table */
cpl_table* curv_coeff = cpl_table_load(fitsfile_curv_coeff.c_str(), 1, 0);
if(2*cpl_table_get_nrow(slit_table) != cpl_table_get_nrow(curv_coeff))
throw std::invalid_argument("FITS Tables do not match");
for(cpl_size irow = 0 ; irow < cpl_table_get_nrow(slit_table); irow++)
{
int null;
int slit_id = cpl_table_get_int(slit_table,
"slit_id", irow, &null);
double disp_bottom = cpl_table_get_double(slit_table,
"xbottom", irow, &null);
disp_bottom = 1;
double disp_top = cpl_table_get_double(slit_table,
"xtop", irow, &null);
disp_top = image_disp_size;
double spa_bottom = cpl_table_get_double(slit_table,
"ybottom", irow, &null);
double spa_top = cpl_table_get_double(slit_table,
"ytop", irow, &null);
int slit_id_check = cpl_table_get_int(curv_coeff,
"slit_id", 2*irow, &null);
int position_spatial_corrected = cpl_table_get_int(slit_table,
"position", irow, &null);
int length_spatial_corrected = cpl_table_get_int(slit_table,
"length", irow, &null);
if(slit_id != slit_id_check)
throw std::runtime_error("Slit identification doesn't match");
cpl_size ndegree = cpl_table_get_ncol(curv_coeff) - 1;
std::vector<double> bottom_trace_coeff;
std::vector<double> top_trace_coeff;
for(cpl_size idx_coeff = 0; idx_coeff < ndegree; idx_coeff++)
{
std::ostringstream colname;
colname<<std::left<<"c"<<idx_coeff;
top_trace_coeff.push_back(cpl_table_get_double
(curv_coeff, colname.str().c_str(), 2*irow, NULL));
bottom_trace_coeff.push_back(cpl_table_get_double
(curv_coeff, colname.str().c_str(), 2*irow + 1, NULL));
}
slits.push_back(mosca::detected_slit(slit_id, disp_bottom, spa_bottom,
disp_top, spa_top,
position_spatial_corrected,
length_spatial_corrected,
bottom_trace_coeff,
top_trace_coeff));
}
return slits;
}
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