Files
LBPM/tests/convertIO.cpp
James McClure 20800ed7eb partial merge
2021-01-04 19:33:27 -05:00

90 lines
2.4 KiB
C++

#include <stdio.h>
#include <stdlib.h>
#include <iostream>
#include <exception>
#include <stdexcept>
#include <fstream>
#include "common/MPI_Helpers.h"
#include "common/Communication.h"
#include "common/Utilities.h"
#include "IO/Mesh.h"
#include "IO/Reader.h"
#include "IO/Writer.h"
#include "ProfilerApp.h"
int main(int argc, char **argv)
{
// Initialize MPI
Utilities::startup( argc, argv );
Utilities::MPI comm( MPI_COMM_WORLD );
int rank = comm.getRank();
int nprocs = comm.getSize();
Utilities::setErrorHandlers();
PROFILE_ENABLE(2);
PROFILE_ENABLE_TRACE();
PROFILE_START("Main");
{ // Limit scope
// Get inputs
if ( argc != 3 ) {
std::cerr << "Error calling convertIO:\n";
std::cerr << " convertIO input_file format\n";
return -1;
}
std::string filename = argv[1];
std::string format = argv[2];
std::string path = IO::getPath( filename );
// Read the timesteps
auto timesteps = IO::readTimesteps( filename );
// Loop through the timesteps, reading/writing the data
IO::initialize( "", format, false );
for ( auto timestep : timesteps ) {
// Read the list of MeshDatabase
auto databases = IO::getMeshList( path, timestep );
// Build the MeshDataStruct
std::vector<IO::MeshDataStruct> meshData(databases.size());
// Loop through the database
int i = 0;
PROFILE_START("Read");
for ( const auto& database : databases ) {
// Read the appropriate mesh domain
ASSERT( (int) database.domains.size() == nprocs );
meshData[i].meshName = database.name;
meshData[i].mesh = IO::getMesh( path, timestep, database, rank );
// Read the variables
for ( auto var : database.variables ) {
auto varData = IO::getVariable( path, timestep, database, rank, var.name );
IO::reformatVariable( *meshData[i].mesh, *varData );
meshData[i].vars.push_back( varData );
}
i++;
}
MPI_Barrier(comm);
PROFILE_STOP("Read");
// Save the mesh data to a new file
PROFILE_START("Write");
IO::writeData( timestep, meshData, MPI_COMM_WORLD );
MPI_Barrier(comm);
PROFILE_STOP("Write");
}
} // Limit scope
PROFILE_STOP("Main");
PROFILE_SAVE("convertData",true);
comm.barrier();
Utilities::shutdown();
return 0;
}