access access accessFirst appendBintable appendBintable appendBintableHeader appendImage appendImageHeader appendNullBintable appendNullImage assignBintableExt assignBintableExt assignImageExt filter find hduCount initBintableExt initImageExt initRecordExt MefFile operator[] primary primaryIndex readHduNames readHduNamesVersions select ~MefFile

filter() HduSelector< THdu > 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)) { processNewImage(hdu); } See also HDU selectors and iterators