Data::plotSellmeier(); } elseif ($data_req == 'spectra') { Data::plotSpectra(); } } else { $view = new View(); $view_req = ''; if (isset($_GET['view'])) { $view_req = $_GET['view']; } $type_req = ''; if (isset($_GET['type'])) { $type_req = $_GET['type']; } if ($view_req == '' || $view_req == 'home') { $view->getHome(); } elseif ($view_req == 'chemname') { $view->getChemName($type_req); } elseif ($view_req == 'conduct') { $view->getConduct($type_req); } elseif ($view_req == 'damage') { $view->getDamage($type_req); } elseif ($view_req == 'density') { $view->getDensity($type_req); } elseif ($view_req == 'dndt') { $view->getDndt($type_req); } elseif ($view_req == 'electopt') { $view->getElectOpt($type_req); } elseif ($view_req == 'elevel') { $view->getElevel($type_req); } elseif ($view_req == 'expand') {