task	ccdsection	= t_ccdsection,
	quadsplit   	= t_quadsplit,
	quadjoin    	= t_quadjoin,
	ccddelete   	= t_ccddelete,
	ccdgetparam 	= ccdgetparam,
	ccdprcselect 	= t_ccdprcselect,
	ccdssselect	= t_ccdsubsetselect,
	qpcalimage	= t_qpcalimage,
	qpselect	= t_qpselect,
	quadscale   	= t_quadscale,
	quadsections    = t_quadsections,
	gainmeasure	= t_gainmeasure,
	new		= new,
	old		= old