LSSTApplications  19.0.0-14-gb0260a2+6327455aeb,20.0.0+44dbdb3492,20.0.0+8a208d85ec,20.0.0+914fcaec49,20.0.0+a571b09ef0,20.0.0+f15d39cacd,20.0.0-1-g253301a+8a208d85ec,20.0.0-1-g5b95a8c+351e15424a,20.0.0-16-g760a3dc6+7dead9ab29,20.0.0-18-gcabc0c9fd+54cb7ade16,20.0.0-2-g4dae9ad+8a636d8bd2,20.0.0-2-g61b8584+b4ab3064f8,20.0.0-2-ga51b5d4+1f4ba438e8,20.0.0-2-gb780d76+d529cf1a41,20.0.0-2-ged6426c+3033df31e9,20.0.0-2-gf072044+8a208d85ec,20.0.0-2-gf1f7952+8a636d8bd2,20.0.0-22-g54e2caa+8bd7be2b67,20.0.0-25-g5eafb0f+8a636d8bd2,20.0.0-28-g73474ed+df2822652a,20.0.0-29-g1235a2f+94e05d8818,20.0.0-3-g8f21e14+2bd63a3b42,20.0.0-3-gbd60e8c+ffb20d0b0d,20.0.0-3-gbecbe05+7f0063ada4,20.0.0-4-g4bc9b9f+5be46ab906,20.0.0-4-g97dc21a+df2822652a,20.0.0-4-gb4befbc+928dca1c48,20.0.0-4-gf910f65+b4ab3064f8,20.0.0-42-g74ec3ae9+afa8208526,20.0.0-5-gfbfe500+d529cf1a41,20.0.0-6-g4aa86cc+9b37c72498,20.0.0-6-g9a5b7a1+9aa0dcac42,20.0.0-6-gd222c45+7040a8a6f6,20.0.0-73-gf477d90+d0de1c7e9f,20.0.0-9-g4aef684+2aec92f563,20.0.0-9-g5051ac2+d529cf1a41,w.2020.47
LSSTDataManagementBasePackage
Classes | Functions
lsst::afw::fits::detail Namespace Reference

Classes

struct  Bitpix
 FITS BITPIX header value by C++ type. More...
 
struct  Bitpix< double >
 
struct  Bitpix< float >
 
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< std::uint8_t >
 
class  PixelArray
 Typed array of pixel values. More...
 
class  PixelArrayBase
 Abstract base class for an 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 }
LSST_EXCEPT
#define LSST_EXCEPT(type,...)
Create an exception with a given type.
Definition: Exception.h:48
std::ostringstream
STL class.
os
std::ostream * os
Definition: Schema.cc:746