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/* $Id: detected_slit.cpp,v 1.5 2013-08-21 15:13:55 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: 2013-08-21 15:13:55 $
* $Revision: 1.5 $
* $Name: not supported by cvs2svn $
*/
#include <stdexcept>
#include <iostream>
#include <cmath>
#include "detected_slit.h"
mosca::detected_slit::detected_slit(int slit_ident,
double disp_bottom, double spa_bottom,
double disp_top, double spa_top,
int position_spatial_corrected,
int length_spatial_corrected,
const std::vector<double>& trace_bottom_pol_coeffs,
const std::vector<double>& trace_top_pol_coeffs) :
m_slit_id(slit_ident), m_disp_bottom(disp_bottom),
m_spa_bottom(spa_bottom), m_disp_top(disp_top), m_spa_top(spa_top),
m_position_spatial_corrected(position_spatial_corrected),
m_length_spatial_corrected(length_spatial_corrected),
m_trace_bottom_pol_coeffs(trace_bottom_pol_coeffs),
m_trace_top_pol_coeffs(trace_top_pol_coeffs)
{
m_trace_bottom_pol = cpl_polynomial_new(1);
m_trace_top_pol = cpl_polynomial_new(1);
cpl_size idx;
idx = 0;
std::vector<double>::reverse_iterator coeff;
for(idx = trace_bottom_pol_coeffs.size() - 1, coeff = m_trace_bottom_pol_coeffs.rbegin();
coeff != m_trace_bottom_pol_coeffs.rend(); ++coeff, --idx)
cpl_polynomial_set_coeff(m_trace_bottom_pol, &idx, *coeff);
for(idx = trace_top_pol_coeffs.size() -1, coeff = m_trace_top_pol_coeffs.rbegin();
coeff != m_trace_top_pol_coeffs.rend(); ++coeff, --idx)
cpl_polynomial_set_coeff(m_trace_top_pol, &idx, *coeff);
}
mosca::detected_slit::detected_slit()
{
m_slit_id = 0;
m_disp_bottom = 0;
m_spa_bottom = 0;
m_disp_top = 0;
m_spa_top = 0;
m_position_spatial_corrected = 0;
m_length_spatial_corrected = 0;
m_trace_bottom_pol = NULL;
m_trace_top_pol = NULL;
}
mosca::detected_slit::detected_slit(const detected_slit& rhs)
{
m_slit_id = rhs.m_slit_id;
m_disp_bottom = rhs.m_disp_bottom;
m_spa_bottom = rhs.m_spa_bottom;
m_disp_top = rhs.m_disp_top;
m_spa_top = rhs.m_spa_top;
m_position_spatial_corrected = rhs.m_position_spatial_corrected;
m_length_spatial_corrected = rhs.m_length_spatial_corrected;
m_trace_bottom_pol = cpl_polynomial_duplicate(rhs.m_trace_bottom_pol);
m_trace_top_pol = cpl_polynomial_duplicate(rhs.m_trace_top_pol);
}
mosca::detected_slit::~detected_slit()
{
if(m_trace_bottom_pol != NULL)
cpl_polynomial_delete(m_trace_bottom_pol);
if(m_trace_top_pol != NULL)
cpl_polynomial_delete(m_trace_top_pol);
}
void mosca::detected_slit::get_extent(double & disp_bottom, double & spa_bottom,
double & disp_top, double & spa_top)
{
disp_bottom = m_disp_bottom;
spa_bottom = m_spa_bottom;
disp_top = m_disp_top;
spa_top = m_spa_top;
}
void mosca::detected_slit::get_extent_pix(int& disp_bottom, int& spa_bottom,
int& disp_top, int& spa_top) const
{
if(m_disp_bottom < m_disp_top)
{
disp_bottom = (int)std::floor(m_disp_bottom);
disp_top = (int)std::ceil(m_disp_top);
}
else
{
disp_bottom = (int)std::ceil(m_disp_bottom);
disp_top = (int)std::floor(m_disp_top);
}
if(m_spa_bottom < m_spa_top)
{
spa_bottom = (int)std::floor(m_spa_bottom);
spa_top = (int)std::ceil(m_spa_top);
}
else
{
spa_bottom = (int)std::ceil(m_spa_bottom);
spa_top = (int)std::floor(m_spa_top);
}
}
//TODO:Starting in 0 or 1?
bool mosca::detected_slit::within_trace(double dispersion_pos,
double spatial_pos) const
{
double trace_bottom = cpl_polynomial_eval_1d(m_trace_bottom_pol,
dispersion_pos, NULL);
double trace_top = cpl_polynomial_eval_1d(m_trace_top_pol,
dispersion_pos, NULL);
if(spatial_pos >= trace_bottom && spatial_pos <= trace_top)
return true;
return false;
}
double mosca::detected_slit::spatial_correct(double dispersion_pos,
double spatial_pos) const
{
double trace_bottom = cpl_polynomial_eval_1d(m_trace_bottom_pol,
dispersion_pos, NULL);
double trace_top = cpl_polynomial_eval_1d(m_trace_top_pol,
dispersion_pos, NULL);
//The -1 factor is there because originally the length of the spatial
//corrected slit has a +1 added in function mos_spatial_calibration
double factor = (trace_top-trace_bottom)/(m_length_spatial_corrected - 1);
double spa_corrected_from_top = (spatial_pos - trace_top) / factor;
double spa_corrected = m_position_spatial_corrected +
m_length_spatial_corrected + spa_corrected_from_top;
return spa_corrected;
}
int mosca::detected_slit::slit_id() const
{
return m_slit_id;
}
int mosca::detected_slit::get_position_spatial_corrected() const
{
return m_position_spatial_corrected;
}
int mosca::detected_slit::get_length_spatial_corrected() const
{
return m_length_spatial_corrected;
}
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