CCfits - HEASARC - NASA

24.14 CCfits::FITS Class Reference 90
Exceptions
FitsError thrown on non-zero status code from cfitsio when not overriden by
FitsException error to produce more illuminating message.
24.14.3 Member Function Documentation
24.14.3.1 void CCfits::FITS::addImage ( const String & hduName, int bpix, std::vector< long >
& naxes, int version = 1 )
Add an image extension to an existing FITS object. (File with w or rw access).
Does not make primary images, which are built in the constructor for the FITS file. The
image data is not added here: it can be added by a call to one of the ExtHDU::write
functions.
bpix may be one of the following CFITSIO constants: BYTE_IMG, SHORT_IMG,
LONG_IMG, FLOAT_IMG, DOUBLE_IMG, USHORT_IMG, ULONG_IMG. Note
that if you send in a bpix of USHORT_IMG or ULONG_IMG, CCfits will set HDU-
::bitpix() to its signed equivalent (SHORT_IMG or LONG_IMG), and then set BZERO
to 2 ∧ 15 or 2 ∧ 31.
Todo Add a function for replacing the primary image
24.14.3.2 Table ∗ CCfits::FITS::addTable ( const String & hduName, int rows, const
std::vector< String > & columnName = std::vector(), const
std::vector< String > & columnFmt = std::vector(), const
std::vector< String > & columnUnit = std::vector(), HduType
type = BinaryTbl, int version = 1 )
Add a table extension to an existing FITS object. Add extension to FITS object for file
with w or rw access.
Parameters
rows The number of rows in the table to be created.
column- A vector containing the table column names
Name
columnFmt A vector containing the table column formats
columnUnit (Optional) a vector giving the units of the columns.
type The table type - AsciiTbl or BinaryTbl (defaults to BinaryTbl) the lists
of columns are optional - one can create an empty table extension but
if supplied, colType, columnName and colFmt must have equal dimensions.
Todo the code should one day check that the version keyword is higher than any other
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