LSST Applications  21.0.0-172-gfb10e10a+18fedfabac,22.0.0+297cba6710,22.0.0+80564b0ff1,22.0.0+8d77f4f51a,22.0.0+a28f4c53b1,22.0.0+dcf3732eb2,22.0.1-1-g7d6de66+2a20fdde0d,22.0.1-1-g8e32f31+297cba6710,22.0.1-1-geca5380+7fa3b7d9b6,22.0.1-12-g44dc1dc+2a20fdde0d,22.0.1-15-g6a90155+515f58c32b,22.0.1-16-g9282f48+790f5f2caa,22.0.1-2-g92698f7+dcf3732eb2,22.0.1-2-ga9b0f51+7fa3b7d9b6,22.0.1-2-gd1925c9+bf4f0e694f,22.0.1-24-g1ad7a390+a9625a72a8,22.0.1-25-g5bf6245+3ad8ecd50b,22.0.1-25-gb120d7b+8b5510f75f,22.0.1-27-g97737f7+2a20fdde0d,22.0.1-32-gf62ce7b1+aa4237961e,22.0.1-4-g0b3f228+2a20fdde0d,22.0.1-4-g243d05b+871c1b8305,22.0.1-4-g3a563be+32dcf1063f,22.0.1-4-g44f2e3d+9e4ab0f4fa,22.0.1-42-gca6935d93+ba5e5ca3eb,22.0.1-5-g15c806e+85460ae5f3,22.0.1-5-g58711c4+611d128589,22.0.1-5-g75bb458+99c117b92f,22.0.1-6-g1c63a23+7fa3b7d9b6,22.0.1-6-g50866e6+84ff5a128b,22.0.1-6-g8d3140d+720564cf76,22.0.1-6-gd805d02+cc5644f571,22.0.1-8-ge5750ce+85460ae5f3,master-g6e05de7fdc+babf819c66,master-g99da0e417a+8d77f4f51a,w.2021.48
LSST Data Management Base Package
Classes | Functions
lsst::afw::fits::detail Namespace Reference

Classes

struct  Bitpix
 FITS BITPIX header value by C++ type. More...
 
struct  Bitpix< std::uint8_t >
 
struct  Bitpix< std::int16_t >
 
struct  Bitpix< std::int32_t >
 
struct  Bitpix< std::int64_t >
 
struct  Bitpix< std::uint16_t >
 
struct  Bitpix< std::uint32_t >
 
struct  Bitpix< std::uint64_t >
 
struct  Bitpix< float >
 
struct  Bitpix< double >
 
class  PixelArrayBase
 Abstract base class for an array of pixel values. More...
 
class  PixelArray
 Typed array of pixel values. More...
 

Functions

template<typename T >
std::shared_ptr< PixelArrayBasemakePixelArray (int bitpix, ndarray::Array< T, 1, 1 > const &array)
 Create a PixelArray suitable for an image with the nominated BITPIX. More...
 

Function Documentation

◆ makePixelArray()

template<typename T >
std::shared_ptr<PixelArrayBase> lsst::afw::fits::detail::makePixelArray ( int  bitpix,
ndarray::Array< T, 1, 1 > const &  array 
)

Create a PixelArray suitable for an image with the nominated BITPIX.

Parameters
[in]bitpixBits per pixel (0,8,16,32,64,-32,-64) for output.
[in]arrayArray with pixel values to convert.
Returns
A new PixelArray.

Definition at line 134 of file fitsCompression.h.

134  {
135  switch (bitpix) {
136  case 0:
137  return std::make_shared<PixelArray<T>>(array);
138  case 8:
139  return std::make_shared<PixelArray<std::uint8_t>>(array);
140  case 16:
141  return std::make_shared<PixelArray<std::int16_t>>(array);
142  case 32:
143  return std::make_shared<PixelArray<std::int32_t>>(array);
144  case 64:
145  return std::make_shared<PixelArray<std::int64_t>>(array);
146  case -32:
147  return std::make_shared<PixelArray<boost::float32_t>>(array);
148  case -64:
149  return std::make_shared<PixelArray<boost::float64_t>>(array);
150  default:
152  os << "Unrecognized bitpix: " << bitpix;
153  throw LSST_EXCEPT(pex::exceptions::InvalidParameterError, os.str());
154  }
155 }
#define LSST_EXCEPT(type,...)
Create an exception with a given type.
Definition: Exception.h:48
std::ostream * os
Definition: Schema.cc:557