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