ResInsight/ApplicationLibCode/FileInterface/RifOsduWellLogReader.cpp
2024-07-01 16:19:36 +02:00

77 lines
2.6 KiB
C++

/////////////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2024 Equinor ASA
//
// ResInsight 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.
//
// ResInsight 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 at <http://www.gnu.org/licenses/gpl.html>
// for more details.
//
/////////////////////////////////////////////////////////////////////////////////
#include "RifOsduWellLogReader.h"
#include "RifByteArrayArrowRandomAccessFile.h"
#include "cafAssert.h"
#include <iostream>
#include <vector>
#include "RifArrowTools.h"
#undef signals
#include <arrow/array/array_primitive.h>
#include <arrow/csv/api.h>
#include <arrow/io/api.h>
#include <arrow/scalar.h>
#include <parquet/arrow/reader.h>
#define signals Q_SIGNALS
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
std::pair<cvf::ref<RigOsduWellLogData>, QString> RifOsduWellLogReader::readWellLogData( const QByteArray& contents )
{
arrow::MemoryPool* pool = arrow::default_memory_pool();
std::shared_ptr<arrow::io::RandomAccessFile> input = std::make_shared<RifByteArrayArrowRandomAccessFile>( contents );
// Open Parquet file reader
std::unique_ptr<parquet::arrow::FileReader> arrow_reader;
if ( !parquet::arrow::OpenFile( input, pool, &arrow_reader ).ok() )
{
return { nullptr, "Unable to read parquet data." };
}
// Read entire file as a single Arrow table
std::shared_ptr<arrow::Table> table;
if ( !arrow_reader->ReadTable( &table ).ok() )
{
return { nullptr, "Unable to read parquet table." };
}
auto logData = cvf::make_ref<RigOsduWellLogData>();
for ( std::string columnName : table->ColumnNames() )
{
std::shared_ptr<arrow::ChunkedArray> column = table->GetColumnByName( columnName );
if ( column->type()->id() == arrow::Type::DOUBLE )
{
std::vector<double> columnVector = RifArrowTools::chunkedArrayToVector<arrow::DoubleArray, double>( column );
logData->setValues( QString::fromStdString( columnName ), columnVector );
}
}
logData->finalizeData();
return { logData, "" };
}