test_COM.cpp
27.2 KB
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/***************************************************************************
* test_COM.cpp - test COM classes *
* ----------------------------------------------------------------------- *
* copyright (C) 2012-2017 by Juergen Knoedlseder *
* ----------------------------------------------------------------------- *
* *
* 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 3 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, see <http://www.gnu.org/licenses/>. *
* *
***************************************************************************/
/**
* @file test_COM.cpp
* @brief Testing of COM classes
* @author Juergen Knoedlseder
*/
/* __ Includes ___________________________________________________________ */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdlib.h>
#include <unistd.h>
#include <cstdlib> // getenv
#include "GTools.hpp"
#include "test_COM.hpp"
/* __ Namespaces _________________________________________________________ */
/* __ Globals ____________________________________________________________ */
/* __ Constants __________________________________________________________ */
const std::string datadir = std::getenv("TEST_COM_DATA");
const std::string com_caldb = datadir + "/../../caldb";
const std::string com_iaq = "ENERG(1.0-3.0)MeV"; // 1-3 MeV
const std::string com_dre = datadir+"/m50439_dre.fits"; // 1-3 MeV
const std::string com_drb = datadir+"/m34997_drg.fits";
const std::string com_drg = datadir+"/m34997_drg.fits";
const std::string com_drx = datadir+"/m32171_drx.fits";
const std::string com_obs = datadir+"/obs.xml";
const std::string com_model = datadir+"/crab.xml";
/***********************************************************************//**
* @brief Set COMPTEL response test methods
***************************************************************************/
void TestGCOMResponse::set(void)
{
// Set test name
name("GCOMResponse");
// Append tests to test suite
append(static_cast<pfunction>(&TestGCOMResponse::test_inst_dir),
"Test instrument direction");
append(static_cast<pfunction>(&TestGCOMResponse::test_response),
"Test response");
// Return
return;
}
/***********************************************************************//**
* @brief Clone test suite
*
* @return Pointer to deep copy of test suite.
***************************************************************************/
TestGCOMResponse* TestGCOMResponse::clone(void) const
{
// Clone test suite
return new TestGCOMResponse(*this);
}
/***********************************************************************//**
* @brief Set COMPTEL observation test methods
***************************************************************************/
void TestGCOMObservation::set(void)
{
// Set test name
name("GCOMObservation");
// Append tests to test suite
append(static_cast<pfunction>(&TestGCOMObservation::test_binned_obs),
"Test binned observation");
append(static_cast<pfunction>(&TestGCOMObservation::test_event_bin),
"Test event bin");
append(static_cast<pfunction>(&TestGCOMObservation::test_event_cube),
"Test event cube");
// Return
return;
}
/***********************************************************************//**
* @brief Clone test suite
*
* @return Pointer to deep copy of test suite.
***************************************************************************/
TestGCOMObservation* TestGCOMObservation::clone(void) const
{
// Clone test suite
return new TestGCOMObservation(*this);
}
/***********************************************************************//**
* @brief Set COMPTEL optimizer test methods
***************************************************************************/
void TestGCOMOptimize::set(void)
{
// Set test name
name("COMPTEL optimizers");
// Append tests to test suite
append(static_cast<pfunction>(&TestGCOMOptimize::test_binned_optimizer),
"Test binned optimizer");
// Return
return;
}
/***********************************************************************//**
* @brief Clone test suite
*
* @return Pointer to deep copy of test suite.
***************************************************************************/
TestGCOMOptimize* TestGCOMOptimize::clone(void) const
{
// Clone test suite
return new TestGCOMOptimize(*this);
}
/***********************************************************************//**
* @brief Test GCOMInstDir class
***************************************************************************/
void TestGCOMResponse::test_inst_dir(void)
{
// Test constructors
test_try("Test constructors");
try {
// Void constructor
GCOMInstDir dir1;
// Copy constructor
GCOMInstDir dir2(dir1);
// If we arrived here, signal success
test_try_success();
}
catch (std::exception &e) {
test_try_failure(e);
}
// Create void object
GCOMInstDir dir;
// skydir method
GSkyDir sky;
sky.radec_deg(37.0, 45.3);
dir.dir(sky);
test_assert(dir.dir() == sky, "Test skydir() method.",
"Expected "+sky.print()+", found "+dir.dir().print());
// phibar method
dir.phibar(27.2);
test_value(dir.phibar(), 27.2, 1.0e-10, "Test phibar() method.");
// copy constructor
GCOMInstDir dir_copy(dir);
test_assert(dir_copy.dir() == sky, "Test copy constructor method.",
"Expected "+sky.print()+", found "+dir_copy.dir().print());
test_value(dir_copy.phibar(), 27.2, 1.0e-10, "Test copy constructor method.");
// assignment operator
GCOMInstDir dir_assign = dir;
test_assert(dir_assign.dir() == sky, "Test assignment operator method.",
"Expected "+sky.print()+", found "+dir_assign.dir().print());
test_value(dir_assign.phibar(), 27.2, 1.0e-10, "Test assignment operator method.");
// clone
GCOMInstDir* dir_clone = dir.clone();
test_assert(dir_clone->dir() == sky, "Test clone() method.",
"Expected "+sky.print()+", found "+dir_clone->dir().print());
test_value(dir_clone->phibar(), 27.2, 1.0e-10, "Test clone() method.");
delete dir_clone;
// clear
dir.clear();
sky.clear();
test_assert(dir.dir() == sky, "Test clear() method.",
"Expected "+sky.print()+", found "+dir.dir().print());
test_value(dir.phibar(), 0.0, 1.0e-10, "Test clean() method.");
// Return
return;
}
/***********************************************************************//**
* @brief Checks handling of IAQ response files
*
* This function checks the handling of IAQ response files. IAQ response
* files are 2D images that show the instrument response as function of
* geometrical (Phi_geo) and measured (Phi_bar) Compton scatter angle.
***************************************************************************/
void TestGCOMResponse::test_response(void)
{
// Test constructors
test_try("Test constructors");
try {
// Void constructor
GCOMResponse rsp1;
// Copy constructor
GCOMResponse rsp2(rsp1);
// If we arrived here, signal success
test_try_success();
}
catch (std::exception &e) {
test_try_failure(e);
}
// Test response loading
test_try("Test response loading");
try {
// Construct response from datasets
GCOMResponse rsp(GCaldb("cgro", "comptel"), com_iaq);
// If we arrived here, signal success
test_try_success();
}
catch (std::exception &e) {
test_try_failure(e);
}
// Return
return;
}
/***********************************************************************//**
* @brief Checks handling of binned observations
*
* This function checks the handling of binned observations. Binned
* observations are defined by
* a DRE file containing the events,
* a DRB file containing the background model,
* a DRG file containing the geometrical probability of having an interaction
* in the second detector plane, and
* a DRX file containing the sky exposure.
*
* Note that in first approximation we can use the DRG file as background
* model.
***************************************************************************/
void TestGCOMObservation::test_binned_obs(void)
{
// Test constructors
test_try("Test constructors");
try {
// Void constructor
GCOMObservation obs1;
// Copy constructor
GCOMObservation obs2(obs1);
// If we arrived here, signal success
test_try_success();
}
catch (std::exception &e) {
test_try_failure(e);
}
// Test observation loading
test_try("Test observation loading");
try {
// Construct observation from datasets
GCOMObservation obs(com_dre, com_drb, com_drg, com_drx);
// If we arrived here, signal success
test_try_success();
}
catch (std::exception &e) {
test_try_failure(e);
}
// Test XML constructor
test_try("Test XML constructor");
try {
// Construct observation from datasets
GObservations obs(com_obs);
// If we arrived here, signal success
test_try_success();
}
catch (std::exception &e) {
test_try_failure(e);
}
// Exit test
return;
}
/***********************************************************************//**
* @brief Checks handling of COMPTEL event bin
***************************************************************************/
void TestGCOMObservation::test_event_bin(void)
{
// Test event bin void constructor
GCOMEventBin bin;
test_value(bin.classname(), "GCOMEventBin", "Check classname() for empty bin");
test_value(bin.size(), 0.0, 1.0e-10, "Check size() for empty bin");
test_value(bin.dir().dir().ra_deg(), 0.0, 1.0e-10,
"Check dir().dir().ra_deg() for empty bin");
test_value(bin.dir().dir().dec_deg(), 0.0, 1.0e-10,
"Check dir().dir().dec_deg() for empty bin");
test_value(bin.dir().phibar(), 0.0, 1.0e-10,
"Check dir().phibar() for empty bin");
test_value(bin.energy().MeV(), 0.0, 1.0e-10, "Check energy() for empty bin");
test_value(bin.time().secs(), 0.0, 1.0e-10, "Check time() for empty bin");
test_value(bin.counts(), 0.0, 1.0e-10, "Check counts() for empty bin");
test_value(bin.error(), 0.0, 1.0e-10, "Check error() for empty bin");
test_value(bin.index(), -1, "Check index() for empty bin");
test_value(bin.solidangle(), 0.0, 1.0e-10, "Check solidangle() for empty bin");
test_value(bin.ewidth().MeV(), 0.0, 1.0e-10, "Check ewidth() for empty bin");
test_value(bin.ontime(), 0.0, 1.0e-10, "Check ontime() for empty bin");
test_value(bin.print(), "0", "Check print() for empty bin");
// Test setting of bin attributes (for the moment we can only set the
// number of counts, but this should change in the future)
bin.counts(4.0);
test_value(bin.size(), 0.0, 1.0e-10, "Check size() for filled bin");
test_value(bin.dir().dir().ra_deg(), 0.0, 1.0e-10,
"Check dir().dir().ra_deg() for filled bin");
test_value(bin.dir().dir().dec_deg(), 0.0, 1.0e-10,
"Check dir().dir().dec_deg() for filled bin");
test_value(bin.dir().phibar(), 0.0, 1.0e-10,
"Check dir().phibar() for filled bin");
test_value(bin.energy().MeV(), 0.0, 1.0e-10,
"Check energy() for filled bin");
test_value(bin.time().secs(), 0.0, 1.0e-10, "Check time() for filled bin");
test_value(bin.counts(), 4.0, 1.0e-10, "Check counts() for filled bin");
test_value(bin.error(), 2.0, 1.0e-10, "Check error() for filled bin");
test_value(bin.index(), -1, "Check index() for filled bin");
test_value(bin.solidangle(), 0.0, 1.0e-10,
"Check solidangle() for filled bin");
test_value(bin.ewidth().MeV(), 0.0, 1.0e-10,
"Check ewidth() for filled bin");
test_value(bin.ontime(), 0.0, 1.0e-10, "Check ontime() for filled bin");
test_value(bin.print(), "4", "Check print() for filled bin");
// Test copy constructor
GCOMEventBin bin2(bin);
test_value(bin2.size(), 0.0, 1.0e-10, "Check size() for copied bin");
test_value(bin2.dir().dir().ra_deg(), 0.0, 1.0e-10,
"Check dir().dir().ra_deg() for copied bin");
test_value(bin2.dir().dir().dec_deg(), 0.0, 1.0e-10,
"Check dir().dir().dec_deg() for copied bin");
test_value(bin2.dir().phibar(), 0.0, 1.0e-10,
"Check dir().phibar() for copied bin");
test_value(bin2.energy().MeV(), 0.0, 1.0e-10,
"Check energy() for copied bin");
test_value(bin2.time().secs(), 0.0, 1.0e-10, "Check time() for copied bin");
test_value(bin2.counts(), 4.0, 1.0e-10, "Check counts() for copied bin");
test_value(bin2.error(), 2.0, 1.0e-10, "Check error() for copied bin");
test_value(bin2.index(), -1, "Check index() for copied bin");
test_value(bin2.solidangle(), 0.0, 1.0e-10,
"Check solidangle() for copied bin");
test_value(bin2.ewidth().MeV(), 0.0, 1.0e-10,
"Check ewidth() for copied bin");
test_value(bin2.ontime(), 0.0, 1.0e-10, "Check ontime() for copied bin");
test_value(bin2.print(), "4", "Check print() for copied bin");
// Assignment operator
GCOMEventBin bin3 = bin;
test_value(bin3.size(), 0.0, 1.0e-10, "Check size() for assigned bin");
test_value(bin3.dir().dir().ra_deg(), 0.0, 1.0e-10,
"Check dir().dir().ra_deg() for assigned bin");
test_value(bin3.dir().dir().dec_deg(), 0.0, 1.0e-10,
"Check dir().dir().dec_deg() for assigned bin");
test_value(bin3.dir().phibar(), 0.0, 1.0e-10,
"Check dir().phibar() for assigned bin");
test_value(bin3.energy().MeV(), 0.0, 1.0e-10,
"Check energy() for assigned bin");
test_value(bin3.time().secs(), 0.0, 1.0e-10,
"Check time() for assigned bin");
test_value(bin3.counts(), 4.0, 1.0e-10, "Check counts() for assigned bin");
test_value(bin3.error(), 2.0, 1.0e-10, "Check error() for assigned bin");
test_value(bin3.index(), -1, "Check index() for assigned bin");
test_value(bin3.solidangle(), 0.0, 1.0e-10,
"Check solidangle() for assigned bin");
test_value(bin3.ewidth().MeV(), 0.0, 1.0e-10,
"Check ewidth() for assigned bin");
test_value(bin3.ontime(), 0.0, 1.0e-10, "Check ontime() for assigned bin");
test_value(bin3.print(), "4", "Check print() for assigned bin");
// clone method
GCOMEventBin* bin4 = bin.clone();
test_value(bin4->size(), 0.0, 1.0e-10, "Check size() for cloned bin");
test_value(bin4->dir().dir().ra_deg(), 0.0, 1.0e-10,
"Check dir().dir().ra_deg() for cloned bin");
test_value(bin4->dir().dir().dec_deg(), 0.0, 1.0e-10,
"Check dir().dir().dec_deg() for cloned bin");
test_value(bin4->dir().phibar(), 0.0, 1.0e-10,
"Check dir().phibar() for cloned bin");
test_value(bin4->energy().MeV(), 0.0, 1.0e-10,
"Check energy() for cloned bin");
test_value(bin4->time().secs(), 0.0, 1.0e-10,
"Check time() for cloned bin");
test_value(bin4->counts(), 4.0, 1.0e-10, "Check counts() for cloned bin");
test_value(bin4->error(), 2.0, 1.0e-10, "Check error() for cloned bin");
test_value(bin4->index(), -1, "Check index() for cloned bin");
test_value(bin4->solidangle(), 0.0, 1.0e-10,
"Check solidangle() for cloned bin");
test_value(bin4->ewidth().MeV(), 0.0, 1.0e-10,
"Check ewidth() for cloned bin");
test_value(bin4->ontime(), 0.0, 1.0e-10, "Check ontime() for cloned bin");
test_value(bin4->print(), "4", "Check print() for cloned bin");
// clear method
bin.clear();
test_value(bin.classname(), "GCOMEventBin",
"Check classname() for cleared bin");
test_value(bin.size(), 0.0, 1.0e-10, "Check size() for cleared bin");
test_value(bin.dir().dir().ra_deg(), 0.0, 1.0e-10,
"Check dir().dir().ra_deg() for cleared bin");
test_value(bin.dir().dir().dec_deg(), 0.0, 1.0e-10,
"Check dir().dir().dec_deg() for cleared bin");
test_value(bin.dir().phibar(), 0.0, 1.0e-10,
"Check dir().phibar() for cleared bin");
test_value(bin.energy().MeV(), 0.0, 1.0e-10,
"Check energy() for cleared bin");
test_value(bin.time().secs(), 0.0, 1.0e-10, "Check time() for cleared bin");
test_value(bin.counts(), 0.0, 1.0e-10, "Check counts() for cleared bin");
test_value(bin.error(), 0.0, 1.0e-10, "Check error() for cleared bin");
test_value(bin.index(), -1, "Check index() for cleared bin");
test_value(bin.solidangle(), 0.0, 1.0e-10,
"Check solidangle() for cleared bin");
test_value(bin.ewidth().MeV(), 0.0, 1.0e-10,
"Check ewidth() for cleared bin");
test_value(bin.ontime(), 0.0, 1.0e-10, "Check ontime() for cleared bin");
test_value(bin.print(), "0", "Check print() for cleared bin");
// Return
return;
}
/***********************************************************************//**
* @brief Checks handling of COMPTEL event cube
***************************************************************************/
void TestGCOMObservation::test_event_cube(void)
{
// Event cube void constructor
GCOMEventCube cube;
// Event cube load constructor
GCOMEventCube cube2(com_dre);
// Event cube copy constructor
GCOMEventCube cube3(cube2);
test_value(cube2.size(), cube3.size(), "Test copy constructor.",
"Different cube size after using the"
" copy constructor (before="+gammalib::str(cube2.size())+
" after="+gammalib::str(cube3.size())+")");
test_value(cube2.number(), cube3.number(), "Test copy constructor.",
"Different number of events after using the"
" copy constructor (before="+gammalib::str(cube2.number())+
" after="+gammalib::str(cube3.number())+").");
// Event cube assignment operator
GCOMEventCube cube4 = cube2;
test_value(cube2.size(), cube4.size(), "Test assignment operator.",
"Different cube size after using the"
" assignment operator (before="+gammalib::str(cube2.size())+
" after="+gammalib::str(cube4.size())+")");
test_value(cube2.number(), cube4.number(), "Test assignment operator.",
"Different number of events after using the"
" assignment operator (before="+gammalib::str(cube2.number())+
" after="+gammalib::str(cube4.number())+").");
// clear method
cube4.clear();
test_value(cube4.size(), 0, "Test clear method.",
"Expected event cube with size 0 after"
" clear but found size "+gammalib::str(cube4.size())+".");
test_value(cube4.number(), 0, "Test clear method.",
"Expected 0 events in cube after"
" clear but found "+gammalib::str(cube4.size())+" events.");
// clone method
GCOMEventCube* cube5 = cube2.clone();
test_value(cube2.size(), cube5->size(), "Test clone() method.",
"Different cube size after cloning"
" (before="+gammalib::str(cube2.size())+
" after="+gammalib::str(cube5->size())+")");
test_value(cube2.number(), cube5->number(), "Test clone() method.",
"Different number of events after cloning"
" (before="+gammalib::str(cube2.number())+
" after="+gammalib::str(cube5->number())+").");
delete cube5;
// size method
test_value(cube2.size(), 140600, "Test size() method.",
"Expected cube dimension 140600, found "+
gammalib::str(cube2.size())+".");
// dim method
test_value(cube2.dim(), 3, "Test dim() method.",
"Expected 3 cube dimensions, found "+
gammalib::str(cube2.dim())+".");
// naxis method
test_value(cube2.naxis(0), 76, "Test naxis(0) method.",
"Expected Chi axis dimension 76, found "+
gammalib::str(cube2.naxis(0))+".");
test_value(cube2.naxis(1), 74, "Test naxis(1) method.",
"Expected Chi axis dimension 74, found "+
gammalib::str(cube2.naxis(1))+".");
test_value(cube2.naxis(2), 25, "Test naxis(2) method.",
"Expected Chi axis dimension 25, found "+
gammalib::str(cube2.naxis(2))+".");
// nchi, npsi, nphi methods
test_value(cube2.nchi(), 76, "Test nchi() method.",
"Expected Chi axis dimension 76, found "+
gammalib::str(cube2.nchi())+".");
test_value(cube2.npsi(), 74, "Test npsi() method.",
"Expected Chi axis dimension 74, found "+
gammalib::str(cube2.npsi())+".");
test_value(cube2.nphi(), 25, "Test nphi() method.",
"Expected Chi axis dimension 25, found "+
gammalib::str(cube2.nphi())+".");
// npix method
int npix = cube2.nchi() * cube2.npsi();
test_value(cube2.npix(), npix, "Test npix() method.",
"Expected "+gammalib::str(npix)+" pixels in (Chi,Psi) plane, found "+
gammalib::str(cube2.npix())+".");
// number method
test_value(cube2.number(), 316141, "Test number() method.",
"Expected 316141 events in cube, found "+
gammalib::str(cube2.number())+".");
// event access
double sum = 0.0;
for (int i = 0; i < cube2.size(); ++i) {
sum += cube2[i]->counts();
}
test_value(cube2.number(), int(sum+0.5), "Test event access.",
"Expected "+gammalib::str(cube2.number())+
" events in cube, found "+
gammalib::str(int(sum+0.5))+" by summing over all elements.");
// Return
return;
}
/***********************************************************************//**
* @brief Test binned optimizer
***************************************************************************/
void TestGCOMOptimize::test_binned_optimizer(void)
{
// Declare observations
GObservations obs;
GCOMObservation run;
// Load binned COMPTEL observation
test_try("Load binned COMPTEL observation");
try {
run.load(com_dre, com_drb, com_drg, com_drx);
run.response(GCaldb("cgro", "comptel"), com_iaq);
obs.append(run);
test_try_success();
}
catch (std::exception &e) {
test_try_failure(e);
}
// Load models from XML file
obs.models(com_model);
// Perform LM optimization
double fit_results[] = {83.4258, 0.157307,
21.5952, 0.143873,
0.001907, 8.31055e-05,
-2.05, 0,
1, 0,
1, 0,
1, 0,
0, 0,
3, 0,
0, 0,
5, 0,
3.15461, 0.0904736,
7, 0,
27.8763, 0.272976,
9, 0,
43.6555, 0.348297,
11, 0,
54.1233, 0.396509,
13, 0,
60.9322, 0.431667,
15, 0,
65.1235, 0.457003,
17, 0,
64.8946, 0.466807,
19, 0,
60.7385, 0.458565,
21, 0,
57.5857, 0.451466,
23, 0,
54.447, 0.441844,
25, 0,
51.9042, 0.433244,
27, 0,
49.0977, 0.422531,
29, 0,
47.1811, 0.416003,
31, 0,
44.2415, 0.406013,
33, 0,
43.1503, 0.40499,
35, 0,
41.7076, 0.403297,
37, 0,
39.92, 0.39994,
39, 0,
37.602, 0.39392,
41, 0,
36.7116, 0.395238,
43, 0,
35.8177, 0.397315,
45, 0,
33.7205, 0.392628,
47, 0,
29.9617, 0.377506,
49, 0,
27.9992, 0.372603};
test_try("Perform LM optimization");
try {
GOptimizerLM opt;
opt.max_iter(100);
obs.optimize(opt);
obs.errors(opt);
test_try_success();
for (int i = 0, j = 0; i < obs.models().size(); ++i) {
const GModel* model = obs.models()[i];
for (int k = 0; k < model->size(); ++k) {
GModelPar par = (*model)[k];
std::string msg = "Verify optimization result for " + par.print();
test_value(par.value(), fit_results[j++], 5.0e-5, msg);
test_value(par.error(), fit_results[j++], 5.0e-5, msg);
}
}
}
catch (std::exception &e) {
test_try_failure(e);
}
// Exit test
return;
}
/***************************************************************************
* @brief Main entry point for test executable
***************************************************************************/
int main(void)
{
// Allocate test suit container
GTestSuites testsuites("COMPTEL instrument specific class testing");
// Set CALDB environment variable
std::string caldb = "CALDB="+com_caldb;
putenv((char*)caldb.c_str());
// Initially assume that we pass all tests
bool success = true;
// Create test suites and append them to the container
TestGCOMResponse rsp;
TestGCOMObservation obs;
TestGCOMOptimize opt;
testsuites.append(rsp);
testsuites.append(obs);
testsuites.append(opt);
// Run the testsuites
success = testsuites.run();
// Save test report
testsuites.save("reports/GCOM.xml");
// Return success status
return (success ? 0 : 1);
}