access access append append_bintable append_bintable append_bintable_header append_image append_image_header append_null_bintable append_null_image appendBintable appendBintableHeader appendImage appendImageHeader appendNullBintable appendNullImage close filter find hdu_count hduCount MefFile operator[] primary read_hdu_names read_hdu_names_versions readHduNames readHduNamesVersions remove strategy strategy strategy ~MefFile

filter() HduSelector< T > filter ( const HduFilter &  categories = HduCategory::Any ) Get an iterable object which represents a filtered set of HDUs. Returns An iterable object, i.e. one for which begin() and end() functions are provided. Example for (const auto& hdu : f.filter<ImageHdu>(HduCategory::Created)) { process_new_image(hdu); } See also HDU selectors and iterators