Raster2ASC.cpp

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// SPDX-FileCopyrightText: Copyright (c) OpenGeoSys Community (opengeosys.org)
// SPDX-License-Identifier: BSD-3-Clause
 
#include <tclap/CmdLine.h>
 
#include "BaseLib/Logging.h"
#include "BaseLib/MPI.h"
#include "BaseLib/TCLAPArguments.h"
#include "GeoLib/IO/AsciiRasterInterface.h"
#include "GeoLib/Raster.h"
#include "InfoLib/GitInfo.h"
 
int main(int argc, char* argv[])
{
    TCLAP::CmdLine cmd(
        "Converts ascii raster files (e.g. Surfer *.grd files or *.xyz files) "
        "into ASC raster files.\n\n"
        "OpenGeoSys-6 software, version " +
            GitInfoLib::GitInfo::ogs_version +
            ".\n"
            "Copyright (c) 2012-2026, OpenGeoSys Community "
            "(http://www.opengeosys.org)",
        ' ', GitInfoLib::GitInfo::ogs_version);
 
    TCLAP::ValueArg<std::string> output_arg(
        "o", "output", "Output (.asc). Filename for output raster", true, "",
        "OUTPUT_FILE");
    cmd.add(output_arg);
 
    TCLAP::ValueArg<std::string> input_arg(
        "i", "input", "Input (.grd | .xyz). Filename for input raster", true,
        "", "INPUT_FILE");
    cmd.add(input_arg);
 
    auto log_level_arg = BaseLib::makeLogLevelArg();
    cmd.add(log_level_arg);
    cmd.parse(argc, argv);
 
    BaseLib::MPI::Setup mpi_setup(argc, argv);
    BaseLib::initOGSLogger(log_level_arg.getValue());
 
    std::unique_ptr<GeoLib::Raster> raster(
        FileIO::AsciiRasterInterface::readRaster(input_arg.getValue()));
 
    if (raster == nullptr)
    {
        ERR("Couldn't read input raster file.");
        return EXIT_FAILURE;
    }
 
    std::string output_name = output_arg.getValue();
    if (output_name.substr(output_name.length() - 4, 4) != ".asc")
    {
        output_name = output_name.append(".asc");
    }
 
    FileIO::AsciiRasterInterface::writeRasterAsASC(*raster, output_name);
    return EXIT_SUCCESS;
}