Else in case of...you can input any numbers
script: /* Toggle FOV */ var other_angle = 40.0; var v = moi.ui.mainWindow.viewpanel.getViewport('3d'); if ( v.projection == 'Perspective' ) { if ( v.fieldOfViewAngle == other_angle ) { v.fieldOfViewAngle = 27.5; } else { v.fieldOfViewAngle = other_angle; } }