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Description:
This function reads cards from the source function that was
specified when the
FitsChan 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 SourceFile attribute is ignored by this function. New cards are read from the
source file whenever a new value is assigned to the SourceFile attribute.
Copyright (C) 2017 East Asian Observatory
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A Library for Handling
World
Coordinate Systems
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