Return the n'th HDU. If the HDU is already read simply return a pointer to the cached data. Otherwise read the associated stream until the n'th HDU is read.
Namespace: nom.tam.fits
Assembly: CSharpFITS_v1.1 (in CSharpFITS_v1.1.dll)
Syntax
Visual Basic (Declaration) |
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Public Overridable Function GetHDU( _ ByVal n As Integer _ ) As BasicHDU |
C# |
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public virtual BasicHDU GetHDU( int n ) |
C++ |
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public: virtual BasicHDU GetHDU( int n ) |
J# |
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public virtual BasicHDU GetHDU( int n ) |
JScript |
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public virtual
function GetHDU( n : int ) : BasicHDU |
Parameters
- n
- The index of the HDU to be read. The primary HDU is index 0.
Return Value
The n'th HDU or null if it could not be found.