CCfits - HEASARC - NASA

24.12 CCfits::ExtHDU Class Reference 78
24.12.3.8 void CCfits::ExtHDU::makeThisCurrent ( ) const [virtual]
move the fitsfile pointer to this current HDU.
This function should never need to be called by the user since it is called internally
whenever required.
Reimplemented from CCfits::HDU.
24.12.3.9 int CCfits::ExtHDU::numCols ( ) const [virtual]
return the number of Columns in the Table (the TFIELDS keyword).
Exceptions
WrongExtensionType thrown if ∗this is an image extension.
Reimplemented in CCfits::Table.
24.12.3.10 template void CCfits::ExtHDU::read ( std::valarray< S > & image )
Read image data into container.
The container image contains the entire image array after the call. This and all the other
variants of read() throw a WrongExtensionType exception if called for a Table object.
24.12.3.11 template void CCfits::ExtHDU::read ( std::valarray< S > & image,
long first, long nElements, S ∗ nullValue )
read part of an image array, processing null values.
Implicit data conversion is supported (i.e. user does not need to know the type of the
data stored. A WrongExtensionType extension is thrown if ∗this is not an image.
Parameters
image The receiving container, a std::valarray reference
first The first pixel from the array to read [a long value]
nElements The number of values to read
nullValue A pointer containing the value in the table to be considered as undefined.
See cfitsio for details
24.12.3.12 template void CCfits::ExtHDU::read ( std::valarray< S > & image,
const std::vector< long > & first, long nElements, S ∗ nullValue )
read part of an image array, processing null values.
As above except for
Generated on Tue Dec 6 2011 16:12:51 for CCfits by Doxygen