lsst::ip.isr::LookupTableMultiplicative< ImageT > Class Template Reference

#include <isr.h>

Public Types
typedef lsst::afw::image::MaskedImage < ImageT >::x_iterator	x_iterator
typedef lsst::afw::image::MaskedImage < ImageT >::Pixel	PixelT

Public Member Functions
	LookupTableMultiplicative (std::vector< double > table)
virtual	~LookupTableMultiplicative ()
void	apply (lsst::afw::image::MaskedImage< ImageT > &image, float gain=1.0)
std::vector< double >	getTable () const

Private Attributes
std::vector< double >	_table
int	_max

Detailed Description

template<typename ImageT>
class lsst::ip.isr::LookupTableMultiplicative< ImageT >

Multiplicative linearization lookup table

Definition at line 106 of file isr.h.

Member Typedef Documentation

template<typename ImageT >

typedef lsst::afw::image::MaskedImage<ImageT>::Pixel lsst::ip.isr::LookupTableMultiplicative< ImageT >::PixelT

Definition at line 109 of file isr.h.

template<typename ImageT >

typedef lsst::afw::image::MaskedImage<ImageT>::x_iterator lsst::ip.isr::LookupTableMultiplicative< ImageT >::x_iterator

Definition at line 108 of file isr.h.

Constructor & Destructor Documentation

template<typename ImageT >

lsst::ip.isr::LookupTableMultiplicative< ImageT >::LookupTableMultiplicative ( std::vector< double >  table )

inline

Definition at line 111 of file isr.h.

                                                           : 
            _table(table), _max(table.size()) {};

template<typename ImageT >

virtual lsst::ip.isr::LookupTableMultiplicative< ImageT >::~LookupTableMultiplicative ( )

inlinevirtual

Definition at line 113 of file isr.h.

{};

Member Function Documentation

template<typename ImageT >

void lsst::ip.isr::LookupTableMultiplicative< ImageT >::apply ( lsst::afw::image::MaskedImage< ImageT > &  image, float  gain = 1.0  )

inline

Definition at line 115 of file isr.h.

                                                                           {

            for (int y = 0; y != image.getHeight(); ++y) {
                for (x_iterator ptr = image.row_begin(y), end = image.row_end(y); ptr != end; ++ptr) {
                    int ind = static_cast<int>(ptr.image() + 0.5);  // Rounded pixel value
                    if (ind >= _max){
                        throw LSST_EXCEPT(lsst::pex::exceptions::Exception, 
                                          "Pixel value out of range in LookupTableMultiplicative::apply");
                    }
                    PixelT p = PixelT((*ptr).image() * _table[ind], 
                                      (*ptr).mask(), 
                                      (*ptr).variance() * _table[ind] * _table[ind]);
                    *ptr = p;
                }
            }
        }

template<typename ImageT >

std::vector<double> lsst::ip.isr::LookupTableMultiplicative< ImageT >::getTable ( ) const

inline

Definition at line 133 of file isr.h.

{ return _table; }

Member Data Documentation

template<typename ImageT >

int lsst::ip.isr::LookupTableMultiplicative< ImageT >::_max

private

Definition at line 136 of file isr.h.

template<typename ImageT >

std::vector<double> lsst::ip.isr::LookupTableMultiplicative< ImageT >::_table

private

Definition at line 135 of file isr.h.

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The documentation for this class was generated from the following file:

• /lsst/home/lsstsw/stack/Linux64/ip_isr/master-g4432ae2e89+36/include/lsst/ip/isr.h