Exemple #1
0
void Characterization::execute()
{
	
	Mat img;

	// load image
	try
	{
		VerboseOutput::println(string("Characterization"), "loading image: " + string(const_cast<char*>(filename->c_str())));
		img = imread(const_cast<char*>(filename->c_str()), CV_LOAD_IMAGE_COLOR);
		VerboseOutput::println(string("Characterization"), "image loaded" );
	}
	catch (Exception& e)
	{
		throw runtime_error("Error while reading image");
	}

	// check image
	if ((img.rows == 0) || (img.cols == 0))
	{
		throw runtime_error("Corrupt Image");
	}

	// execute feature extraction
	try
	{
		list<Feature*>::iterator i;

		VerboseOutput::println(string("Characterization"), "extract features" );
		// iterate through all tasks
		for(i=tasks.begin(); i != tasks.end(); ++i)
		{
			Feature* task = *i;

			if(canExecute(task))
			{
				VerboseOutput::println(string("Characterization"), "execute task: " + task->getName());
				task->execute(img);
				VerboseOutput::println(string("Characterization"), "persist data from task: " + task->getName());
				task->persist(featureFileOutputDirectory);
			}
		}

		VerboseOutput::println(string("Characterization"), "feature extraction finished");
	}
	catch (Exception& ex)
	{
		stringstream msg;
		msg << "Error while executing feature extraction: " << ex.msg;
		throw runtime_error(msg.str());
	}
}
AddIndicationCommand::AddIndicationCommand(std::string indicationType,
                                           EventSelection &selection) :
    BasicCommand(getGlobalName(indicationType),
                 selection.getSegment(),
                 std::min(selection.getStartTime(), selection.getNotationStartTime()),
                 std::max(selection.getEndTime(), selection.getNotationEndTime())),
    m_indicationType(indicationType),
    m_indicationStart(selection.getNotationStartTime()),
    m_indicationDuration(selection.getTotalNotationDuration()),
    m_lastInsertedEvent(0)
{
    if (!canExecute()) {
        throw CommandFailed
            //!!! need to use text from trunk/src/gui/editors/notation/NotationView.cpp (but this requires an informal human-readable version of the indication name)
            (qstrtostr(tr("Can't add identical overlapping indications")));
    }
}
Exemple #3
0
void NewstuffModelPrivate::installMap()
{
    if ( m_unpackProcess ) {
        m_unpackProcess->close();
        delete m_unpackProcess;
        m_unpackProcess = 0;
    } else if ( m_currentFile->fileName().endsWith( QLatin1String( "tar.gz" ) ) && canExecute( "tar" ) ) {
        m_unpackProcess = new QProcess;
        QObject::connect( m_unpackProcess, SIGNAL(finished(int)),
                          m_parent, SLOT(contentsListed(int)) );
        QStringList arguments = QStringList() << "-t" << "-z" << "-f" << m_currentFile->fileName();
        m_unpackProcess->setWorkingDirectory( m_targetDirectory );
        m_unpackProcess->start( "tar", arguments );
    } else {
        if ( !m_currentFile->fileName().endsWith( QLatin1String( "tar.gz" ) ) ) {
            mDebug() << "Can only handle tar.gz files";
        } else {
            mDebug() << "Cannot extract archive: tar executable not found in PATH.";
        }
    }
}