ctselect.cpp
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/***************************************************************************
* ctselect - CTA data selection tool *
* ----------------------------------------------------------------------- *
* copyright (C) 2010 by Jurgen Knodlseder *
* ----------------------------------------------------------------------- *
* *
* 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. *
* *
***************************************************************************/
/**
* @file ctselect.cpp
* @brief CTA data selection tool implementation
* @author J. Knodlseder
*/
/* __ Includes ___________________________________________________________ */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include "ctselect.hpp"
/* __ Debug definitions __________________________________________________ */
#define BIT_COLUMN_TEST 0
#define STRING_COLUMN_TEST 1
/*==========================================================================
= =
= Constructors/destructors =
= =
==========================================================================*/
/***********************************************************************//**
* @brief Void constructor
***************************************************************************/
ctselect::ctselect(void) : GApplication(CTSELECT_NAME, CTSELECT_VERSION)
{
// Initialise members
init_members();
// Write header into logger
log_header();
// Return
return;
}
/***********************************************************************//**
* @brief Command line constructor
*
* @param[in] argc Number of arguments in command line.
* @param[in] argv Array of command line arguments.
***************************************************************************/
ctselect::ctselect(int argc, char *argv[]) :
GApplication(CTSELECT_NAME, CTSELECT_VERSION, argc, argv)
{
// Initialise members
init_members();
// Write header into logger
log_header();
// Return
return;
}
/***********************************************************************//**
* @brief Destructor
***************************************************************************/
ctselect::~ctselect(void)
{
// Free members
free_members();
// Return
return;
}
/*==========================================================================
= =
= Operators =
= =
==========================================================================*/
/*==========================================================================
= =
= Public methods =
= =
==========================================================================*/
/***********************************************************************//**
* @brief Select event data
***************************************************************************/
void ctselect::run(void)
{
// Get parameters
get_parameters();
// Write parameters into logger
if (logTerse()) {
log_parameters();
log << std::endl;
}
// Select events
select();
// Return
return;
}
/***********************************************************************//**
* @brief Get application parameters
*
* Get all task parameters from parameter file or (if required) by querying
* the user.
***************************************************************************/
void ctselect::get_parameters(void)
{
// Get parameters
m_infile = par("infile")->value();
m_outfile = par("outfile")->value();
m_ra = par("ra")->real();
m_dec = par("dec")->real();
m_rad = par("rad")->real();
m_tmin = par("tmin")->real();
m_tmax = par("tmax")->real();
m_emin = par("emin")->real();
m_emax = par("emax")->real();
// Return
return;
}
/***********************************************************************//**
* @brief Select events
*
* @todo An interesting alternative is the fits_select_rows routine which copies
* the selected rows from one FITS table to another. That's in fact the thing
* we want to achieve here. The only way to use this routine would be to
* open 2 FITS files, one for the input data and a fresh one for the output
* data. The events table would then be copied over using the select routine,
* any other tables would be copied over directly. The code would look like:
*
* GFits infile(m_infile);
* GFits outfile(m_outfile);
* for (int extno = 0; extno < infile.size(); ++extno) {
* GFitsHDU* inhdu = infile.hdu(i);
* if (inhdu->extname() == "EVENTS") {
* GFitsHDU* outhdu = inhdu->select("expression");
* outfile.append_hdu(*outhdu);
* }
* else
* outfile.append_hdu(*inhdu);
* }
* outfile.save();
* outfile.close();
*
***************************************************************************/
void ctselect::select(void)
{
// Open FITS file
GFits file(m_infile);
//std::cout << file << std::endl;
// Optional perform Bit column testing
#if BIT_COLUMN_TEST
GFitsTableBitCol* ptr = (GFitsTableBitCol*)file.hdu("EVENTS")->column("TELMASK");
for (int i = 0; i < ptr->length(); ++i) {
std::cout << i << ": ";
for (int k = 0; k < ptr->number(); ++k)
std::cout << (int)(*(ptr))(i, k) << " ";
std::cout << std::endl;
}
(*(ptr))(8507, 1) = true;
(*(ptr))(8508, 0) = false;
(*(ptr))(8509, 1) = false;
(*(ptr))(8509, 2) = false;
std::cout << "change now:" << std::endl;
for (int i = 8507; i < 8510; ++i) {
std::cout << i << ": ";
for (int k = 0; k < ptr->number(); ++k)
std::cout << (int)(*(ptr))(i, k) << " ";
std::cout << std::endl;
}
#endif
// Optional perform String column testing
#if STRING_COLUMN_TEST
GFitsTableStringCol* ptr = (GFitsTableStringCol*)file.hdu("ANALYSIS")->column("UNIT");
std::cout << "Anynul: " << ptr->anynul() << std::endl;
for (int i = 0; i < ptr->length(); ++i) {
std::cout << "\"" << ptr->string(i) << "\"" << std::endl;
}
#endif
// Save file
file.saveto(m_outfile, true);
//std::cout << file << std::endl;
// Optional perform String column testing
#if STRING_COLUMN_TEST
GFits file2(m_outfile);
GFitsTableStringCol* ptr2 = (GFitsTableStringCol*)file2.hdu("ANALYSIS")->column("UNIT");
std::cout << "Anynul: " << ptr2->anynul() << std::endl;
for (int i = 0; i < ptr2->length(); ++i) {
std::cout << "\"" << ptr2->string(i) << "\"" << std::endl;
}
#endif
// Return
return;
}
/*==========================================================================
= =
= Private methods =
= =
==========================================================================*/
/***********************************************************************//**
* @brief Initialise class members
***************************************************************************/
void ctselect::init_members(void)
{
// Initialise members
m_infile.clear();
m_outfile.clear();
m_ra = 0.0;
m_dec = 0.0;
m_rad = 0.0;
m_tmin = 0.0;
m_tmax = 0.0;
m_emin = 0.0;
m_emax = 0.0;
// Set logger properties
log.date(true);
// Return
return;
}
/***********************************************************************//**
* @brief Delete class members
***************************************************************************/
void ctselect::free_members(void)
{
// Free members
// Return
return;
}