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SERiF/src/probe/private/probe.cpp

263 lines
9.0 KiB
C++

/* ***********************************************************************
//
// Copyright (C) 2025 -- The 4D-STAR Collaboration
// File Author: Emily Boudreaux
// Last Modified: March 18, 2025
//
// 4DSSE is free software; you can use it and/or modify
// it under the terms and restrictions the GNU General Library Public
// License version 3 (GPLv3) as published by the Free Software Foundation.
//
// 4DSSE 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 Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public License
// along with this software; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// *********************************************************************** */
#include "quill/Backend.h"
#include "quill/Frontend.h"
#include "quill/Logger.h"
#include "quill/sinks/ConsoleSink.h"
#include "quill/sinks/FileSink.h"
#include "quill/LogMacros.h"
#include <stdexcept>
#include <string>
#include <iostream>
#include <chrono>
#include <cmath>
#include <vector>
#include <utility>
#include <filesystem>
#include "mfem.hpp"
#include "config.h"
#include "probe.h"
#include "warning_control.h"
namespace Probe {
void pause() {
std::cout << "Execution paused. Please press enter to continue..."
<< std::endl; // Use endl to flush
std::cin.get();
}
void wait(int seconds) {
std::this_thread::sleep_for(std::chrono::seconds(seconds));
}
void glVisView(mfem::GridFunction& u, mfem::Mesh& mesh,
const std::string& windowTitle, const std::string& keyset) {
Config& config = Config::getInstance();
quill::Logger* logger = LogManager::getInstance().getLogger("log");
if (config.get<bool>("Probe:GLVis:Visualization", true)) {
std::string usedKeyset;
LOG_INFO(logger, "Visualizing solution using GLVis...");
LOG_INFO(logger, "Window title: {}", windowTitle);
if (keyset.empty()) {
usedKeyset = config.get<std::string>("Probe:GLVis:DefaultKeyset", "");
} else {
usedKeyset = keyset;
}
LOG_INFO(logger, "Keyset: {}", usedKeyset);
const auto vishost = config.get<std::string>("Probe:GLVis:Host", "localhost");
const auto visport = config.get<int>("Probe:GLVis:Port", 19916);
mfem::socketstream sol_sock(vishost.c_str(), visport);
sol_sock.precision(8);
sol_sock << "solution\n" << mesh << u
<< "window_title '" << windowTitle <<
"'\n" << "keys " << usedKeyset << "\n";
sol_sock << std::flush;
}
}
void glVisView(mfem::Vector &vec, mfem::FiniteElementSpace &fes, const std::string &windowTitle, const std::string& keyset) {
mfem::GridFunction gf(&fes);
DEPRECATION_WARNING_OFF
gf.SetData(vec);
DEPRECATION_WARNING_ON
glVisView(gf, *fes.GetMesh(), windowTitle, keyset);
}
double getMeshRadius(mfem::Mesh& mesh) {
mesh.EnsureNodes();
const mfem::GridFunction *nodes = mesh.GetNodes();
double *node_data = nodes->GetData(); // THIS IS KEY
int data_size = nodes->Size();
double max_radius = 0.0;
for (int i = 0; i < data_size; ++i) {
if (node_data[i] > max_radius) {
max_radius = node_data[i];
}
}
return max_radius;
}
std::pair<std::vector<double>, std::vector<double>> getRaySolution(mfem::GridFunction& u, mfem::Mesh& mesh,
const std::vector<double>& rayDirection,
int numSamples, std::string filename) {
Config& config = Config::getInstance();
Probe::LogManager& logManager = Probe::LogManager::getInstance();
quill::Logger* logger = logManager.getLogger("log");
LOG_INFO(logger, "Getting ray solution...");
// Check if the directory to write to exists
// If it does not exist and MakeDir is true create it
// Otherwise throw an exception
bool makeDir = config.get<bool>("Probe:GetRaySolution:MakeDir", true);
std::filesystem::path path = filename;
if (makeDir) {
std::filesystem::path dir = path.parent_path();
if (!std::filesystem::exists(dir)) {
LOG_INFO(logger, "Creating directory {}", dir.string());
std::filesystem::create_directories(dir);
}
} else {
if (!std::filesystem::exists(path.parent_path())) {
throw(std::runtime_error("Directory " + path.parent_path().string() + " does not exist"));
}
}
std::vector<double> samples;
samples.reserve(numSamples);
double x, y, z, r, sampleValue;
double radius = getMeshRadius(mesh);
mfem::Vector rayOrigin(3); rayOrigin = 0.0;
mfem::DenseMatrix rayPoints(3, numSamples);
std::vector<double> radialPoints;
radialPoints.reserve(numSamples);
mfem::ElementTransformation* Trans = nullptr;
mfem::Vector physicalCoords;
for (int i = 0; i < numSamples; i++) {
r = i * radius / numSamples;
// Let rayDirection = (theta, phi) that the ray will be cast too
x = r * std::sin(rayDirection[0]) * std::cos(rayDirection[1]);
y = r * std::sin(rayDirection[0]) * std::sin(rayDirection[1]);
z = r * std::cos(rayDirection[0]);
rayPoints(0, i) = x;
rayPoints(1, i) = y;
rayPoints(2, i) = z;
}
mfem::Array<int> elementIds;
mfem::Array<mfem::IntegrationPoint> ips;
mesh.FindPoints(rayPoints, elementIds, ips);
for (int i = 0; i < elementIds.Size(); i++) {
Trans = mesh.GetElementTransformation(elementIds[i]);
Trans->Transform(ips[i], physicalCoords);
double r = std::sqrt(physicalCoords[0] * physicalCoords[0] +
physicalCoords[1] * physicalCoords[1] +
physicalCoords[2] * physicalCoords[2]);
radialPoints.push_back(r);
int elementId = elementIds[i];
mfem::IntegrationPoint ip = ips[i];
if (elementId >= 0) { // Check if the point was found in an element
sampleValue = u.GetValue(elementId, ip);
LOG_DEBUG(logger, "Probe::getRaySolution() : Ray point {} found in element {} with r={:0.2f} and theta={:0.2f}", i, elementId, r, sampleValue);
samples.push_back(sampleValue);
} else { // If the point was not found in an element
LOG_INFO(logger, "Probe::getRaySolution() : Ray point {} not found", i);
samples.push_back(0.0);
}
}
std::pair<std::vector<double>, std::vector<double>> samplesPair(radialPoints, samples);
if (!filename.empty()) {
std::ofstream file(filename);
if (file.is_open()) {
file << "r,u\n";
for (int i = 0; i < numSamples; i++) {
file << samplesPair.first[i] << "," << samplesPair.second[i] << "\n";
}
file << std::endl;
file.close();
} else {
throw(std::runtime_error("Could not open file " + filename));
}
}
return samplesPair;
}
std::pair<std::vector<double>, std::vector<double>> getRaySolution(mfem::Vector &vec, mfem::FiniteElementSpace &fes,
const std::vector<double>& rayDirection,
int numSamples, std::string filename) {
mfem::GridFunction gf(&fes);
DEPRECATION_WARNING_OFF
gf.SetData(vec);
DEPRECATION_WARNING_ON
return getRaySolution(gf, *fes.GetMesh(), rayDirection, numSamples, filename);
}
LogManager::LogManager() {
Config& config = Config::getInstance();
quill::Backend::start();
auto CLILogger = quill::Frontend::create_or_get_logger(
"root",
quill::Frontend::create_or_get_sink<quill::ConsoleSink>("sink_id_1"));
newFileLogger(config.get<std::string>("Probe:LogManager:DefaultLogName", "4DSSE.log"), "log");
loggerMap.emplace("stdout", CLILogger);
}
LogManager::~LogManager() = default;
quill::Logger* LogManager::getLogger(const std::string& loggerName) {
auto it = loggerMap.find(loggerName); // Find *once*
if (it == loggerMap.end()) {
throw std::runtime_error("Cannot find logger " + loggerName);
}
return it->second; // Return the raw pointer from the shared_ptr
}
std::vector<std::string> LogManager::getLoggerNames() {
std::vector<std::string> loggerNames;
loggerNames.reserve(loggerMap.size());
for (const auto& pair : loggerMap) { // Use range-based for loop and const auto&
loggerNames.push_back(pair.first);
}
return loggerNames;
}
std::vector<quill::Logger*> LogManager::getLoggers() {
std::vector<quill::Logger*> loggers;
loggers.reserve(loggerMap.size());
for (const auto& pair : loggerMap) {
loggers.push_back(pair.second); // Get the raw pointer
}
return loggers;
}
quill::Logger* LogManager::newFileLogger(const std::string& filename,
const std::string& loggerName) {
auto file_sink = quill::Frontend::create_or_get_sink<quill::FileSink>(
filename,
[]() {
quill::FileSinkConfig cfg;
cfg.set_open_mode('w');
return cfg;
}(),
quill::FileEventNotifier{});
// Get the raw pointer.
quill::Logger* rawLogger = quill::Frontend::create_or_get_logger(loggerName, std::move(file_sink));
// Create a shared_ptr from the raw pointer.
loggerMap.emplace(loggerName, rawLogger);
return rawLogger;
}
} // namespace Probe