astReadFitsastReadFits
-
Read cards into a FitsChan from the source function
- Description:
- This function
reads cards from the source function that was specified when the
FitsChanFitsChan was created, and stores them in the FitsChan. This
normally happens once-only, when the FitsChan is accessed for the
first time.
This function
provides a means of forcing a re-read of the external source, and
may be useful if (say) new cards have been deposited into the
external source. Any newcards read from the source are appended to
the end of the current contents of the FitsChan.
- Synopsis:
- void astReadFits( AstFitsChan
this )
- Parameters:
-
this
-
Pointer to the FitsChan.
- Notes:
- This function returns without action if no source function was
specified when the FitsChan was created.
- The SourceFileSourceFile attribute is ignored by this
function.
New cards are read from the source file whenever a new value is
assigned to the SourceFile attribute.