#include <BintableHdu.h>
Binary table HDU reader-writer.
Public Member Functions | |
virtual | ~BintableHdu ()=default |
Destructor. | |
const BintableColumns & | columns () const |
Access the data unit column-wise. More... | |
long | readColumnCount () const |
Read the number of columns. | |
long | readRowCount () const |
Read the number of rows. | |
HduCategory | readCategory () const override |
Read the category of the HDU. More... | |
template<typename T , long N = 1> | |
VecColumn< T, N > | readColumn (ColumnKey key) const |
Read a column with given name or index. | |
template<typename TColumn > | |
void | writeColumn (const TColumn &column) const |
Write a column. | |
Public Member Functions inherited from Hdu | |
virtual | ~Hdu ()=default |
Destructor. | |
long | index () const |
Get the 0-based index of the HDU. | |
HduCategory | type () const |
Get the type of the HDU. More... | |
bool | matches (HduFilter filter) const |
Check whether the HDU matches a given filter. More... | |
template<typename T > | |
const T & | as () const |
View as an ImageHdu , ImageRaster , BintableHdu or BintableColumns (if possible). | |
const Header & | header () const |
Access the header unit to read and write records. More... | |
std::string | readName () const |
Read the extension name. | |
long | readVersion () const |
Read the extension version. | |
void | updateName (const std::string &name) const |
Write or update the extension name. | |
void | updateVersion (long version) const |
Write or update the extension version. | |
void | verifyChecksums () const |
Compute the HDU and data checksums and compare them to the values in the header. More... | |
void | updateChecksums () const |
Compute and write (or update) the HDU and data checksums. More... | |