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/*
* 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
*/
#include <cpl.h>
#include <iostream>
#include <stdexcept>
#include "vimos_detected_slits.h"
#include "calibrated_slit.h"
std::vector<mosca::detected_slit>
vimos::detected_slits_load_fits(const std::string& fitsfile_slit_loc,
const std::string& fitsfile_curv_coeff,
int image_size_disp)
{
/* We read from extension 1 of slit location table */
cpl_table* slit_loc_table =
cpl_table_load(fitsfile_slit_loc.c_str(), 1, 0);
/* We read from extension 1 of curvature coefficients table */
cpl_table* curv_coeff_table =
cpl_table_load(fitsfile_curv_coeff.c_str(), 1, 0);
return vimos::detected_slits_from_tables(slit_loc_table, curv_coeff_table,
image_size_disp);
}
std::vector<mosca::detected_slit>
vimos::detected_slits_from_tables(cpl_table * slit_loc,
cpl_table * curv_coeff,
int image_size_disp)
{
std::vector<mosca::detected_slit> slits;
if(2*cpl_table_get_nrow(slit_loc) != cpl_table_get_nrow(curv_coeff))
throw std::invalid_argument("Slit and curv coeff Tables do not match");
for(cpl_size irow = 0 ; irow < cpl_table_get_nrow(slit_loc); irow++)
{
int null;
int slit_id = cpl_table_get_int(slit_loc,
"slit_id", irow, &null);
double disp_bottom = cpl_table_get_double(slit_loc,
"xbottom", irow, &null);
disp_bottom = 1;
double disp_top = cpl_table_get_double(slit_loc,
"xtop", irow, &null);
disp_top = image_size_disp;
double spa_bottom = cpl_table_get_double(slit_loc,
"ybottom", irow, &null);
double spa_top = cpl_table_get_double(slit_loc,
"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_loc,
"position", irow, &null);
int length_spatial_corrected = cpl_table_get_int(slit_loc,
"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++)
{
char * colname = cpl_sprintf("c%" CPL_SIZE_FORMAT,idx_coeff);
top_trace_coeff.push_back(cpl_table_get_double
(curv_coeff, colname, 2*irow, NULL));
bottom_trace_coeff.push_back(cpl_table_get_double
(curv_coeff, colname, 2*irow + 1, NULL));
cpl_free(colname);
}
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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