OGSFileConverter.cpp

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#define BOOST_FILESYSTEM_VERSION 3
 
#include "OGSFileConverter.h"
 
#include <QFileInfo>
 
#include "Applications/DataExplorer/Base/OGSError.h"
#include "Applications/FileIO/Legacy/OGSIOVer4.h"
#include "BaseLib/FileTools.h"
#include "BaseLib/StringTools.h"
#include "FileListDialog.h"
#include "GeoLib/GEOObjects.h"
#include "GeoLib/IO/XmlIO/Qt/XmlGmlInterface.h"
#include "MeshLib/IO/Legacy/MeshIO.h"
#include "MeshLib/IO/VtkIO/VtuInterface.h"
#include "MeshLib/Mesh.h"
 
OGSFileConverter::OGSFileConverter(std::string const& gmsh_path,
                                   QWidget* parent)
    : QDialog(parent), _gmsh_path(gmsh_path)
{
    setupUi(this);
}
 
OGSFileConverter::~OGSFileConverter() = default;
 
void OGSFileConverter::convertGML2GLI(const QStringList& input,
                                      const QString& output) const
{
    if (input.empty())
    {
        return;
    }
 
    GeoLib::GEOObjects geo_objects;
    GeoLib::IO::XmlGmlInterface xml(geo_objects);
 
    for (const auto& input_string : input)
    {
        const QFileInfo fi(input_string);
        const std::string output_str =
            QString(output + "/" + fi.completeBaseName() + ".gli")
                .toStdString();
 
        if (fileExists(output_str))
        {
            continue;
        }
 
        try
        {
            if (!xml.readFile(input_string))
            {
                OGSError::box("Error reading geometry " + fi.fileName());
                continue;
            }
        }
        catch (std::runtime_error const& err)
        {
            OGSError::box(err.what(),
                          "Failed to read file `" + input_string + "'");
            continue;
        }
 
        auto const geo_name = geo_objects.getGeometryNames()[0];
        FileIO::Legacy::writeGLIFileV4(output_str, geo_name, geo_objects);
        geo_objects.removeSurfaceVec(geo_name);
        geo_objects.removePolylineVec(geo_name);
        geo_objects.removePointVec(geo_name);
    }
    OGSError::box("File conversion finished");
}
 
void OGSFileConverter::convertGLI2GML(const QStringList& input,
                                      const QString& output) const
{
    if (input.empty())
    {
        return;
    }
 
    GeoLib::GEOObjects geo_objects;
    GeoLib::IO::XmlGmlInterface xml(geo_objects);
 
    for (const auto& input_string : input)
    {
        const QFileInfo fi(input_string);
        const std::string output_str =
            QString(output + "/" + fi.completeBaseName() + ".gml")
                .toStdString();
 
        if (fileExists(output_str))
        {
            continue;
        }
 
        std::string unique_name;
        std::vector<std::string> errors;
 
        FileIO::Legacy::readGLIFileV4(input_string.toStdString(), geo_objects,
                                      unique_name, errors, _gmsh_path);
        if (errors.empty() ||
            (errors.size() == 1 &&
             errors[0] == "[readSurface] polyline for surface not found!"))
        {
            std::string const geo_name =
                BaseLib::extractBaseName(input_string.toStdString());
            xml.export_name = geo_name;
            BaseLib::IO::writeStringToFile(xml.writeToString(), output_str);
            geo_objects.removeSurfaceVec(geo_name);
            geo_objects.removePolylineVec(geo_name);
            geo_objects.removePointVec(geo_name);
        }
        else
        {
            for (auto& error : errors)
            {
                OGSError::box(QString::fromStdString(error));
            }
        }
    }
    OGSError::box("File conversion finished");
}
 
void OGSFileConverter::convertVTU2MSH(const QStringList& input,
                                      const QString& output) const
{
    if (input.empty())
    {
        return;
    }
 
    for (const auto& input_string : input)
    {
        const QFileInfo fi(input_string);
        const std::string output_str =
            QString(output + "/" + fi.completeBaseName() + ".msh")
                .toStdString();
 
        if (fileExists(output_str))
        {
            continue;
        }
 
        MeshLib::Mesh const* const mesh(
            MeshLib::IO::VtuInterface::readVTUFile(input_string.toStdString()));
        if (mesh == nullptr)
        {
            OGSError::box("Error reading mesh " + fi.fileName());
            continue;
        }
        MeshLib::IO::Legacy::MeshIO meshIO;
        meshIO.setMesh(mesh);
        BaseLib::IO::writeStringToFile(meshIO.writeToString(), output_str);
        delete mesh;
    }
    OGSError::box("File conversion finished");
}
 
void OGSFileConverter::convertMSH2VTU(const QStringList& input,
                                      const QString& output) const
{
    if (input.empty())
    {
        return;
    }
 
    for (const auto& input_string : input)
    {
        const QFileInfo fi(input_string);
        const std::string output_str =
            QString(output + "/" + fi.completeBaseName() + ".vtu")
                .toStdString();
 
        if (fileExists(output_str))
        {
            continue;
        }
 
        MeshLib::IO::Legacy::MeshIO meshIO;
        MeshLib::Mesh const* const mesh(
            meshIO.loadMeshFromFile(input_string.toStdString()));
        if (mesh == nullptr)
        {
            OGSError::box("Error reading mesh " + fi.fileName());
            continue;
        }
        MeshLib::IO::VtuInterface vtu(mesh);
        vtu.writeToFile(output_str);
        delete mesh;
    }
    OGSError::box("File conversion finished");
}
 
void OGSFileConverter::on_gml2gliButton_pressed() const
{
    FileListDialog dlg(FileType::GML, FileType::GLI);
    if (dlg.exec())
    {
        convertGML2GLI(dlg.getInputFileList(), dlg.getOutputDir());
    }
}
 
void OGSFileConverter::on_gli2gmlButton_pressed() const
{
    FileListDialog dlg(FileType::GLI, FileType::GML);
    if (dlg.exec())
    {
        convertGLI2GML(dlg.getInputFileList(), dlg.getOutputDir());
    }
}
 
void OGSFileConverter::on_vtu2mshButton_pressed() const
{
    FileListDialog dlg(FileType::VTU, FileType::MSH);
    if (dlg.exec())
    {
        convertVTU2MSH(dlg.getInputFileList(), dlg.getOutputDir());
    }
}
 
void OGSFileConverter::on_msh2vtuButton_pressed() const
{
    FileListDialog dlg(FileType::MSH, FileType::VTU);
    if (dlg.exec())
    {
        convertMSH2VTU(dlg.getInputFileList(), dlg.getOutputDir());
    }
}
 
void OGSFileConverter::on_closeDialogButton_pressed()
{
    this->close();
}
 
bool OGSFileConverter::fileExists(const std::string& file_name) const
{
    std::ifstream const file(file_name.c_str());
    if (file)
    {
        QString const name =
            QString::fromStdString(BaseLib::extractBaseName(file_name));
        return !OGSError::question(
            "The file '" + name +
                "' already exists.\n Do you want to overwrite it?",
            "Warning");
    }
    return false;
}