open()

bool MayaFlux::IO::VolumeReader::open ( const std::string &  filepath, FileReadOptions  options = FileReadOptions::ALL  )

overridevirtual

Open a file for reading.

Parameters

filepath	Path to the file.
options	Reading options (see FileReadOptions).

Returns

true if file was successfully opened.

Implements MayaFlux::IO::FileReader.

Definition at line 328 of file VolumeReader.cpp.

{
    close();
 
    if (!can_read(filepath)) {
        set_error("Unsupported volume format: " + filepath);
        MF_ERROR(Journal::Component::IO, Journal::Context::FileIO,
            "VolumeReader: {}", m_last_error);
        return false;
    }
 
    const auto resolved = resolve_path(filepath);
 
    if (!m_archive->open(resolved)) {
        set_error(std::string(m_archive->last_error()));
        MF_ERROR(Journal::Component::IO, Journal::Context::FileIO,
            "VolumeReader: open failed for '{}' — {}", filepath, m_last_error);
        return false;
    }
 
    m_filepath = filepath;
    m_is_open = true;
 
    MF_INFO(Journal::Component::IO, Journal::Context::FileIO,
        "VolumeReader: opened '{}' — {} grid(s)",
        std::filesystem::path(resolved).filename().string(),
        m_archive->read_grid_count());
 
    return true;
}

References can_read(), close(), MayaFlux::Journal::FileIO, MayaFlux::Journal::IO, m_archive, m_filepath, m_is_open, m_last_error, MF_ERROR, MF_INFO, MayaFlux::IO::FileReader::resolve_path(), and set_error().

Referenced by load(), and load().

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