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TouchableUpdater.test.cc
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TouchableUpdater.test.cc
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//----------------------------------*-C++-*----------------------------------//
// Copyright 2023-2024 UT-Battelle, LLC, and other Celeritas developers.
// See the top-level COPYRIGHT file for details.
// SPDX-License-Identifier: (Apache-2.0 OR MIT)
//---------------------------------------------------------------------------//
//! \file accel/detail/TouchableUpdater.test.cc
//---------------------------------------------------------------------------//
#include "accel/detail/TouchableUpdater.hh"
#include <cmath>
#include <G4Navigator.hh>
#include <G4TouchableHistory.hh>
#include "corecel/ScopedLogStorer.hh"
#include "corecel/io/Logger.hh"
#include "corecel/math/ArrayOperators.hh"
#include "corecel/math/ArrayUtils.hh"
#include "celeritas/GenericGeoTestBase.hh"
#include "celeritas/UnitUtils.hh"
#include "celeritas/Units.hh"
#include "celeritas/ext/GeantGeoParams.hh"
#include "celeritas_test.hh"
using celeritas::test::from_cm;
using celeritas::test::ScopedLogStorer;
namespace celeritas
{
namespace detail
{
namespace test
{
//---------------------------------------------------------------------------//
/*!
* Test with simple CMS geometry.
*
* | Radius [cm] | Volume name |
* | ----------: | ----------- |
* | 0 | |
* | 30 | vacuum_tube |
* | 125 | si_tracker |
* | 175 | em_calorimeter |
* | 275 | had_calorimeter |
* | 375 | sc_solenoid |
* | 700 | fe_muon_chambers |
* | | world |
*/
class TouchableUpdaterTest : public ::celeritas::test::GenericGeantGeoTestBase
{
protected:
void SetUp() override
{
auto const& geo = *this->geometry();
navi_.SetWorldVolume(const_cast<G4VPhysicalVolume*>(geo.world()));
touch_handle_ = new G4TouchableHistory;
}
SPConstGeo build_geometry() final
{
return this->build_geometry_from_basename();
}
std::string geometry_basename() const override { return "simple-cms"; }
G4LogicalVolume const* find_lv(std::string const& name) const
{
auto const& geo = *this->geometry();
auto const* lv = geo.id_to_lv(geo.find_volume(name));
CELER_ENSURE(lv);
return lv;
}
TouchableUpdater make_touchable_updater()
{
return TouchableUpdater{&navi_, touch_handle_()};
}
private:
G4Navigator navi_;
G4TouchableHandle touch_handle_;
};
TEST_F(TouchableUpdaterTest, correct)
{
TouchableUpdater update = this->make_touchable_updater();
auto update_cm = [&](Real3 const& pos_cm, std ::string lv_name) {
return update(from_cm(pos_cm), Real3{1, 0, 0}, this->find_lv(lv_name));
};
EXPECT_TRUE(update_cm({15, 0, 0}, "vacuum_tube"));
EXPECT_TRUE(update_cm({100, 0, 0}, "si_tracker"));
EXPECT_TRUE(update_cm({150, 0, 0}, "em_calorimeter"));
}
TEST_F(TouchableUpdaterTest, just_inside)
{
TouchableUpdater update = this->make_touchable_updater();
real_type const eps = 0.5 * TouchableUpdater::max_quiet_step();
auto const* tracker_lv = this->find_lv("si_tracker");
auto const* calo_lv = this->find_lv("em_calorimeter");
ScopedLogStorer scoped_log_{&celeritas::self_logger(),
LogLevel::diagnostic};
EXPECT_TRUE(update({from_cm(30) + eps, 0, 0}, {1, 0, 0}, tracker_lv));
EXPECT_TRUE(update({from_cm(125) - eps, 0, 0}, {1, 0, 0}, tracker_lv));
EXPECT_TRUE(update({from_cm(125) + eps, 0, 0}, {-1, 0, 0}, calo_lv));
EXPECT_TRUE(update({from_cm(175) - eps, 0, 0}, {-1, 0, 0}, calo_lv));
EXPECT_TRUE(scoped_log_.empty()) << scoped_log_;
}
TEST_F(TouchableUpdaterTest, coincident)
{
TouchableUpdater update = this->make_touchable_updater();
ScopedLogStorer scoped_log_{&celeritas::self_logger(),
LogLevel::diagnostic};
// Coincident point should work in either volume, in or out
real_type const r = from_cm(125);
for (char const* lv : {"si_tracker", "em_calorimeter"})
{
EXPECT_TRUE(update({r, 0, 0}, {1, 0, 0}, this->find_lv(lv)));
EXPECT_TRUE(update({r, 0, 0}, {-1, 0, 0}, this->find_lv(lv)));
}
EXPECT_TRUE(scoped_log_.empty()) << scoped_log_;
}
TEST_F(TouchableUpdaterTest, coincident_tangent)
{
TouchableUpdater update = this->make_touchable_updater();
ScopedLogStorer scoped_log_{&celeritas::self_logger(),
LogLevel::diagnostic};
// TODO: we can't seem to test the volume on the other side of an exact
// coincident surface on a tangent
real_type const r = from_cm(125);
EXPECT_FALSE(update({r, 0, 0}, {0, 1, 0}, this->find_lv("si_tracker")));
EXPECT_TRUE(update({r, 0, 0}, {0, 1, 0}, this->find_lv("em_calorimeter")));
static char const* const expected_log_messages[] = {
"Failed to bump navigation state up to a distance of 1 [mm] at {1250, "
"0, 0} [mm] along {0, 1, 0} to try to reach \"si_tracker\"@0x0 "
"(ID=1): found {{pv='em_calorimeter_pv', lv=2='em_calorimeter'}}"};
EXPECT_VEC_EQ(expected_log_messages, scoped_log_.messages());
static char const* const expected_log_levels[] = {"warning"};
EXPECT_VEC_EQ(expected_log_levels, scoped_log_.levels());
}
TEST_F(TouchableUpdaterTest, just_outside_nowarn)
{
TouchableUpdater update = this->make_touchable_updater();
real_type const eps = 0.1 * TouchableUpdater::max_quiet_step();
auto const* tracker_lv = this->find_lv("si_tracker");
ScopedLogStorer scoped_log_{&celeritas::self_logger(),
LogLevel::diagnostic};
for (real_type xdir : {1.0, -1.0})
{
EXPECT_TRUE(
update({from_cm(30) - eps, 0, 0}, {xdir, 0, 0}, tracker_lv));
EXPECT_TRUE(
update({from_cm(125) + 2 * eps, 0, 0}, {-xdir, 0, 0}, tracker_lv));
}
EXPECT_TRUE(scoped_log_.empty()) << scoped_log_;
}
TEST_F(TouchableUpdaterTest, just_outside_warn)
{
TouchableUpdater update = this->make_touchable_updater();
real_type const eps = 0.1 * TouchableUpdater::max_step();
auto const* tracker_lv = this->find_lv("si_tracker");
ScopedLogStorer scoped_log_{&celeritas::self_logger(),
LogLevel::diagnostic};
for (real_type xdir : {1.0, -1.0})
{
EXPECT_TRUE(
update({from_cm(30) - eps, 0, 0}, {xdir, 0, 0}, tracker_lv));
EXPECT_TRUE(
update({from_cm(125) + eps, 0, 0}, {-xdir, 0, 0}, tracker_lv));
}
static char const* const expected_log_messages[]
= {"Bumping navigation state by 0.10000000000003 [mm] at {299.9, 0, "
"0} [mm] along {1, 0, 0} from {{pv='vacuum_tube_pv', "
"lv=0='vacuum_tube'}} to try to reach \"si_tracker\"@0x0 (ID=1)",
"...bumped to {{pv='si_tracker_pv', lv=1='si_tracker'}}",
"Bumping navigation state by 0.1000000000001 [mm] at {1250.1, 0, "
"0} [mm] along {-1, 0, 0} from {{pv='em_calorimeter_pv', "
"lv=2='em_calorimeter'}} to try to reach \"si_tracker\"@0x0 (ID=1)",
"...bumped to {{pv='si_tracker_pv', lv=1='si_tracker'}}",
"Bumping navigation state by 0.10000000000003 [mm] at {299.9, 0, "
"0} [mm] along {1, -0, -0} from {{pv='vacuum_tube_pv', "
"lv=0='vacuum_tube'}} to try to reach \"si_tracker\"@0x0 (ID=1)",
"...bumped to {{pv='si_tracker_pv', lv=1='si_tracker'}}",
"Bumping navigation state by 0.1000000000001 [mm] at {1250.1, 0, "
"0} [mm] along {-1, -0, -0} from {{pv='em_calorimeter_pv', "
"lv=2='em_calorimeter'}} to try to reach \"si_tracker\"@0x0 (ID=1)",
"...bumped to {{pv='si_tracker_pv', lv=1='si_tracker'}}"};
if (CELERITAS_UNITS == CELERITAS_UNITS_CGS)
{
EXPECT_VEC_EQ(expected_log_messages, scoped_log_.messages());
}
static char const* const expected_log_levels[] = {"warning",
"diagnostic",
"warning",
"diagnostic",
"warning",
"diagnostic",
"warning",
"diagnostic"};
EXPECT_VEC_EQ(expected_log_levels, scoped_log_.levels());
}
TEST_F(TouchableUpdaterTest, too_far)
{
TouchableUpdater update = this->make_touchable_updater();
real_type const eps = 10 * TouchableUpdater::max_step();
auto const* tracker_lv = this->find_lv("si_tracker");
ScopedLogStorer scoped_log_{&celeritas::self_logger(),
LogLevel::diagnostic};
for (real_type xdir : {1.0, -1.0})
{
EXPECT_FALSE(
update({from_cm(30) - eps, 0, 0}, {xdir, 0, 0}, tracker_lv));
EXPECT_FALSE(
update({from_cm(125) + eps, 0, 0}, {-xdir, 0, 0}, tracker_lv));
}
static char const* const expected_log_messages[] = {
"Failed to bump navigation state up to a distance of 1 [mm] at {290, "
"0, 0} [mm] along {1, 0, 0} to try to reach \"si_tracker\"@0x0 "
"(ID=1): found {{pv='vacuum_tube_pv', lv=0='vacuum_tube'}}",
"Failed to bump navigation state up to a distance of 1 [mm] at {1260, "
"0, 0} [mm] along {-1, 0, 0} to try to reach \"si_tracker\"@0x0 "
"(ID=1): found {{pv='em_calorimeter_pv', lv=2='em_calorimeter'}}",
"Failed to bump navigation state up to a distance of 1 [mm] at {290, "
"0, 0} [mm] along {-1, 0, 0} to try to reach \"si_tracker\"@0x0 "
"(ID=1): found {{pv='vacuum_tube_pv', lv=0='vacuum_tube'}}",
"Failed to bump navigation state up to a distance of 1 [mm] at {1260, "
"0, 0} [mm] along {1, 0, 0} to try to reach \"si_tracker\"@0x0 "
"(ID=1): found {{pv='em_calorimeter_pv', lv=2='em_calorimeter'}}"};
EXPECT_VEC_EQ(expected_log_messages, scoped_log_.messages());
static char const* const expected_log_levels[]
= {"warning", "warning", "warning", "warning"};
EXPECT_VEC_EQ(expected_log_levels, scoped_log_.levels());
}
TEST_F(TouchableUpdaterTest, regression)
{
using Real2 = Array<real_type, 2>;
TouchableUpdater update = this->make_touchable_updater();
ScopedLogStorer scoped_log_{&celeritas::self_logger(),
LogLevel::diagnostic};
static struct
{
Real3 pos; // [mm]
Real3 dir;
char const* volume;
} const regressions[] = {
{{-427.56983454727, 1174.5995217837, 747.90972779276},
{-0.70886981480525, 0.21169894981561, 0.67282028826793},
"em_calorimeter"},
// NOTE: Geant4 computes an infinite distance in both directions here
// {{-1175.9420796891, 424.47404011144, 747.17772704325},
// {0.46254766852101, 0.83983515631001, -0.28412420624001},
// "si_tracker"},
{{-180.84752203436, -1236.8514741857, 80.959574210285},
{-0.34086888072834, 0.082800146878107, 0.9364574426144},
"si_tracker"},
{{128.83413807803, -270.82102012142, -2672.7505039643},
{0.77015590259216, -0.30608417592167, -0.55961805095334},
"si_tracker"},
{{-206.25679395806, -217.74488354803, -954.9663190649},
{0.61713971785822, -0.76637525189352, 0.17834669026092},
"si_tracker"},
};
std::vector<real_type> radius;
std::vector<real_type> ndot;
for (auto const& v : regressions)
{
radius.push_back(std::hypot(v.pos[0], v.pos[1]));
ndot.push_back(dot_product(make_unit_vector(Real2{v.pos[0], v.pos[1]}),
Real2{v.dir[0], v.dir[1]}));
EXPECT_TRUE(
update(v.pos * units::millimeter, v.dir, this->find_lv(v.volume)))
<< "from " << repr(v.pos) << " along " << repr(v.dir);
}
static double const expected_radius[] = {
1249.9999999957,
// 1250.2071770359,
1250.002958165,
299.90375135019,
299.92448943893,
};
EXPECT_VEC_SOFT_EQ(expected_radius, radius);
static double const expected_ndot[] = {
0.4414022677194,
// -0.14992798705076,
-0.032612875869091,
0.60724949202002,
0.13198332160898,
};
EXPECT_VEC_SOFT_EQ(expected_ndot, ndot);
static char const* const expected_log_messages[]
= {"Bumping navigation state by 0.09071774570126 [mm] at "
"{-180.84752203436, -1236.8514741857, 80.959574210285} [mm] along "
"{-0.34086888072834, 0.082800146878107, 0.9364574426144} from "
"{{pv='em_calorimeter_pv', lv=2='em_calorimeter'}} to try to reach "
"\"si_tracker\"@0x0 (ID=1)",
"...bumped to {{pv='si_tracker_pv', lv=1='si_tracker'}}",
"Bumping navigation state by 0.15847742469601 [mm] at "
"{128.83413807803, -270.82102012142, -2672.7505039643} [mm] along "
"{0.77015590259216, -0.30608417592167, -0.55961805095334} from "
"{{pv='vacuum_tube_pv', lv=0='vacuum_tube'}} to try to reach "
"\"si_tracker\"@0x0 (ID=1)",
"...bumped to {{pv='si_tracker_pv', lv=1='si_tracker'}}",
"Bumping navigation state by 0.56824514959388 [mm] at "
"{-206.25679395806, -217.74488354803, -954.9663190649} [mm] along "
"{0.61713971785822, -0.76637525189352, 0.17834669026092} from "
"{{pv='vacuum_tube_pv', lv=0='vacuum_tube'}} to try to reach "
"\"si_tracker\"@0x0 (ID=1)",
"...bumped to {{pv='si_tracker_pv', lv=1='si_tracker'}}"};
if (CELERITAS_UNITS == CELERITAS_UNITS_CGS)
{
EXPECT_VEC_EQ(expected_log_messages, scoped_log_.messages());
}
static char const* const expected_log_levels[] = {"warning",
"diagnostic",
"warning",
"diagnostic",
"warning",
"diagnostic"};
EXPECT_VEC_EQ(expected_log_levels, scoped_log_.levels());
}
//---------------------------------------------------------------------------//
} // namespace test
} // namespace detail
} // namespace celeritas