CCfits - HEASARC - NASA

24.39 CCfits::PHDU Class Reference 128
Write a set of pixels to an image extension with the first pixel specified by an n-tuple,
processing undefined data.
• template
void write (long first, long nElements, const std::valarray< S > &data, S ∗null-
Value)
write array to image starting with a specified pixel and allowing undefined data to be
processed
• template
void write (const std::vector< long > &first, long nElements, const std::valarray<
S > &data)
write array starting from specified n-tuple, without undefined data processing
• template
void write (long first, long nElements, const std::valarray< S > &data)
write array starting from specified pixel number, without undefined data processing
• template
void write (const std::vector< long > &firstVertex, const std::vector< long >
&lastVertex, const std::vector< long > &stride, const std::valarray< S > &data)
write a subset (generalize slice) of data to the image
• virtual void zero (double value)
set the BZERO keyword value for images (see warning for images of int type)
• virtual double zero () const
return the BZERO keyword value
Protected Member Functions
• PHDU (const PHDU &right)
copy constructor
• PHDU (FITSBase ∗p, int bpix, int naxis, const std::vector< long > &axes)
Writing Primary HDU constructor, called by PrimaryHDU class.
• PHDU (FITSBase ∗p=0)
Reading Primary HDU constructor.
• virtual void initRead ()
24.39.1 Detailed Description
class representing the primary HDU for a FITS file.
A PHDU object is automatically instantiated and added to a FITS object when a FITS
file is accessed in any way. If a new file is created without specifying the data type for
the header, CCfits assumes that the file is to be used for table extensions and creates a
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