QStringListfileNames=QFileDialog::getOpenFileNames(m_schnapps,"Import surface with radiance",m_schnapps->getAppPath(),"Surface with radiance Files (*.ply)");
QStringList fileNames = QFileDialog::getOpenFileNames(m_schnapps, "Import surface with radiance (P)", m_schnapps->getAppPath(), "Surface with radiance Files (*.ply)");