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/*
* (c) Copyright 2020 CORSIKA Project, corsika-project@lists.kit.edu
*
* This software is distributed under the terms of the GNU General Public
* Licence version 3 (GPL Version 3). See file LICENSE for a full version of
* the license.
*/
#include <catch2/catch.hpp>
#include <corsika/modules/radio/ZHS.hpp>
#include <corsika/modules/radio/antennas/TimeDomainAntenna.hpp>
#include <corsika/modules/radio/detectors/TimeDomainDetector.hpp>
#include <corsika/modules/radio/propagators/StraightPropagator.hpp>
#include <corsika/modules/radio/propagators/SignalPath.hpp>
#include <corsika/modules/radio/propagators/RadioPropagator.hpp>
#include <corsika/media/Environment.hpp>
#include <corsika/media/HomogeneousMedium.hpp>
#include <corsika/media/IMediumModel.hpp>
#include <corsika/media/IRefractiveIndexModel.hpp>
#include <corsika/media/LayeredSphericalAtmosphereBuilder.hpp>
#include <corsika/media/UniformRefractiveIndex.hpp>
#include <corsika/media/ExponentialRefractiveIndex.hpp>
#include <corsika/media/VolumeTreeNode.hpp>
#include <corsika/framework/geometry/CoordinateSystem.hpp>
#include <corsika/framework/geometry/Line.hpp>
#include <corsika/framework/geometry/Point.hpp>
#include <corsika/framework/geometry/RootCoordinateSystem.hpp>
#include <corsika/framework/geometry/Vector.hpp>
#include <corsika/setup/SetupStack.hpp>
#include <corsika/setup/SetupTrajectory.hpp>
#include <corsika/framework/core/PhysicalUnits.hpp>
#include <corsika/framework/core/PhysicalConstants.hpp>
using namespace corsika;
double constexpr absMargin = 1.0e-7;
TEST_CASE("Radio", "[processes]") {
// logging::set_level(logging::level::info);
// corsika_logger->set_pattern("[%n:%^%-8l%$] custom pattern: %v");
// check that I can create and reset a TimeDomain process
SECTION("TimeDomainDetector") {
// construct a time domain detector
TimeDomainDetector<TimeDomainAntenna> detector;
// // and construct some time domain radio process
// TimeDomain<ZHS<>, TimeDomainDetector<TimeDomainAntenna>> process(detector);
// TimeDomain<ZHS<CPU>, TimeDomainDetector<TimeDomainAntenna>> process2(detector);
// TimeDomain<ZHS<CPU>, decltype(detector)> process3(detector);
}
// check that I can create time domain antennas
SECTION("TimeDomainDetector") {
// create an environment so we can get a coordinate system
Environment<IMediumModel> env;
// the antenna location
const auto point{Point(env.getCoordinateSystem(), 1_m, 2_m, 3_m)};
// check that I can create an antenna at (1, 2, 3)
const auto ant{TimeDomainAntenna("antenna_name", point)};
// assert that the antenna name is correct
REQUIRE(ant.getName() == "antenna_name");
// and check that the antenna is at the right location
REQUIRE((ant.getLocation() - point).getNorm() < 1e-12 * 1_m);
// construct a radio detector instance to store our antennas
TimeDomainDetector<TimeDomainAntenna> detector;
// add this antenna to the process
detector.addAntenna(ant);
}
// check that I can create working Straight Propagators in different environments
SECTION("Straight Propagator w/ Uniform Refractive Index") {
// create an environment with uniform refractive index of 1
using UniRIndex =
UniformRefractiveIndex<HomogeneousMedium<IRefractiveIndexModel<IMediumModel>>>;
using EnvType = Environment<IRefractiveIndexModel<IMediumModel>>;
EnvType env;
// get a coordinate system
const CoordinateSystemPtr rootCS = env.getCoordinateSystem();
auto Medium = EnvType::createNode<Sphere>(
Point{rootCS, 0_m, 0_m, 0_m}, 1_km * std::numeric_limits<double>::infinity());
auto const props = Medium->setModelProperties<UniRIndex>(
1, 1_kg / (1_m * 1_m * 1_m),
NuclearComposition(
std::vector<Code>{Code::Nitrogen},
std::vector<float>{1.f}));
env.getUniverse()->addChild(std::move(Medium));
// get some points
Point p0(rootCS, {0_m, 0_m, 0_m});
// Point p1(rootCS, {0_m, 0_m, 1_m});
// Point p2(rootCS, {0_m, 0_m, 2_m});
// Point p3(rootCS, {0_m, 0_m, 3_m});
// Point p4(rootCS, {0_m, 0_m, 4_m});
// Point p5(rootCS, {0_m, 0_m, 5_m});
// Point p6(rootCS, {0_m, 0_m, 6_m});
// Point p7(rootCS, {0_m, 0_m, 7_m});
// Point p8(rootCS, {0_m, 0_m, 8_m});
// Point p9(rootCS, {0_m, 0_m, 9_m});
Point p10(rootCS, {0_m, 0_m, 10_m});
// get a unit vector
Vector<dimensionless_d> v1(rootCS, {0, 0, 1});
// // get a geometrical path of points
// Path P1({p0,p1,p2,p3,p4,p5,p6,p7,p8,p9,p10});
// construct a Straight Propagator given the uniform refractive index environment
StraightPropagator SP(env);
// store the outcome of the Propagate method to paths_
auto const paths_ = SP.propagate(p0, p10, 1_m);
// perform checks to paths_ components
for (auto const& path : paths_) {
CHECK((path.total_time_ / 1_s) - ((34_m / (3 * constants::c)) / 1_s) ==
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Approx(0).margin(absMargin));
CHECK(path.average_refractivity_ == Approx(1));
CHECK(path.emit_.getComponents() == v1.getComponents());
CHECK(path.receive_.getComponents() == v1.getComponents());
// CHECK(std::equal(P1.begin(), P1.end(), path.points_.begin(),[]
// (Point a, Point b) { return (a - b).norm() / 1_m < 1e-5;}));
//TODO:THINK ABOUT THE POINTS IN THE SIGNALPATH.H
}
CHECK(paths_.size() == 1);
}
SECTION("Straight Propagator w/ Exponential Refractive Index") {
// logging::set_level(logging::level::info);
// corsika_logger->set_pattern("[%n:%^%-8l%$] custom pattern: %v");
// create an environment with exponential refractive index (n_0 = 1 & lambda = 0)
using ExpoRIndex = ExponentialRefractiveIndex<HomogeneousMedium
<IRefractiveIndexModel<IMediumModel>>>;
using EnvType = Environment<IRefractiveIndexModel<IMediumModel>>;
EnvType env1;
//get another coordinate system
const CoordinateSystemPtr rootCS1 = env1.getCoordinateSystem();
auto Medium1 = EnvType::createNode<Sphere>(
Point{rootCS1, 0_m, 0_m, 0_m}, 1_km * std::numeric_limits<double>::infinity());
auto const props1 =
Medium1
->setModelProperties<ExpoRIndex>( 1, 0 / 1_m,
1_kg / (1_m * 1_m * 1_m),
NuclearComposition(
std::vector<Code>{Code::Nitrogen},
std::vector<float>{1.f}));
env1.getUniverse()->addChild(std::move(Medium1));
// get some points
Point pp0(rootCS1, {0_m, 0_m, 0_m});
// Point pp1(rootCS1, {0_m, 0_m, 1_m});
// Point pp2(rootCS1, {0_m, 0_m, 2_m});
// Point pp3(rootCS1, {0_m, 0_m, 3_m});
// Point pp4(rootCS1, {0_m, 0_m, 4_m});
// Point pp5(rootCS1, {0_m, 0_m, 5_m});
// Point pp6(rootCS1, {0_m, 0_m, 6_m});
// Point pp7(rootCS1, {0_m, 0_m, 7_m});
// Point pp8(rootCS1, {0_m, 0_m, 8_m});
// Point pp9(rootCS1, {0_m, 0_m, 9_m});
Point pp10(rootCS1, {0_m, 0_m, 10_m});
// get a unit vector
Vector<dimensionless_d> vv1(rootCS1, {0, 0, 1});
// construct a Straight Propagator given the exponential refractive index environment
StraightPropagator SP1(env1);
// store the outcome of Propagate method to paths1_
auto const paths1_ = SP1.propagate(pp0, pp10, 1_m);
// perform checks to paths1_ components (this is just a sketch for now)
for (auto const& path :paths1_) {
CHECK( (path.total_time_ / 1_s) - ((34_m / (3 * constants::c)) / 1_s)
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== Approx(0).margin(absMargin) );
CHECK( path.average_refractivity_ == Approx(1) );
CHECK( path.emit_.getComponents() == vv1.getComponents() );
CHECK( path.receive_.getComponents() == vv1.getComponents() );
}
CHECK( paths1_.size() == 1 );
/*
* A second environment with another exponential refractive index
*/
// create an environment with exponential refractive index (n_0 = 2 & lambda = 2)
using ExpoRIndex = ExponentialRefractiveIndex<HomogeneousMedium
<IRefractiveIndexModel<IMediumModel>>>;
using EnvType = Environment<IRefractiveIndexModel<IMediumModel>>;
EnvType env2;
//get another coordinate system
const CoordinateSystemPtr rootCS2 = env2.getCoordinateSystem();
auto Medium2 = EnvType::createNode<Sphere>(
Point{rootCS2, 0_m, 0_m, 0_m}, 1_km * std::numeric_limits<double>::infinity());
auto const props2 =
Medium2
->setModelProperties<ExpoRIndex>( 2, 2 / 1_m,
1_kg / (1_m * 1_m * 1_m),
NuclearComposition(
std::vector<Code>{Code::Nitrogen},
std::vector<float>{1.f}));
env2.getUniverse()->addChild(std::move(Medium2));
// get some points
Point ppp0(rootCS2, {0_m, 0_m, 0_m});
Point ppp10(rootCS2, {0_m, 0_m, 10_m});
// get a unit vector
Vector<dimensionless_d> vvv1(rootCS2, {0, 0, 1});
// construct a Straight Propagator given the exponential refractive index environment
StraightPropagator SP2(env2);
// store the outcome of Propagate method to paths1_
auto const paths2_ = SP2.propagate(ppp0, ppp10, 1_m);
// perform checks to paths1_ components (this is just a sketch for now)
for (auto const& path :paths2_) {
CHECK( (path.total_time_ / 1_s) - ((3.177511688_m / (3 * constants::c)) / 1_s)
== Approx(0).margin(absMargin) );
CHECK( path.average_refractivity_ == Approx(0.210275935) );
CHECK( path.emit_.getComponents() == vvv1.getComponents() );
CHECK( path.receive_.getComponents() == vvv1.getComponents() );
}
CHECK( paths2_.size() == 1 );
}
// SECTION("Construct a ZHS process.") {
//
// // TODO: construct the environment for the propagator
// create an environment with uniform refractive index of 1
// using UniRIndex =
// UniformRefractiveIndex<HomogeneousMedium<IRefractiveIndexModel<IMediumModel>>>;
// using EnvType = Environment<IRefractiveIndexModel<IMediumModel>>;
//
// EnvType env;
//
// // get a coordinate system
// const CoordinateSystemPtr rootCS = env.getCoordinateSystem();
//
// auto Medium = EnvType::createNode<Sphere>(
// Point{rootCS, 0_m, 0_m, 0_m}, 1_km * std::numeric_limits<double>::infinity());
//
// auto const props = Medium->setModelProperties<UniRIndex>(
// 1, 1_kg / (1_m * 1_m * 1_m),
// NuclearComposition(
// std::vector<Code>{Code::Nitrogen},
// std::vector<float>{1.f}));
//
// env.getUniverse()->addChild(std::move(Medium));
//
// // here we just use a deque to store the antenna
// std::deque<TimeDomainAntenna> antennas;
//
// // TODO: add time domain antennas to the deque
//
// // and now create ZHS with this antenna collection
// // and with a straight propagator
// ZHS<decltype(antennas), StraightPropagator> zhs(antennas, env);
// // TODO: do we need the explicit type declaration?
//
// // here is where the simulation happens
//
// // and call zhs.writeOutput() at the end.
// }
} // END: TEST_CASE("Radio", "[processes]")