purify::casa::MeasurementSet::ChannelWrapper Class Reference

#include <casacore.h>

Public Types
enum class	Sigma { OVERALL , SPECTRUM }
	Possible locations for SIGMA. More...

Public Member Functions
	ChannelWrapper (t_uint channel, MeasurementSet const &ms, std::string const &filter="")
t_uint	channel () const
	Channel this object is associated with. More...
	PURIFY_MACRO (u, 0)
	PURIFY_MACRO (v, 1)
	PURIFY_MACRO (w, 2)
t_uint	size () const
	Number of rows in a channel. More...
Vector< t_int >	field_ids () const
	FIELD_ID from table MAIN. More...
Vector< t_int >	data_desc_id () const
	DATA_DESC_ID from table MAIN. More...
Direction	direction (t_real tolerance=1e-8) const
	Direction (RA, DEC) in radian. More...
Direction::Scalar	right_ascension (t_real tolerance=1e-8) const
Direction::Scalar	declination (t_real tolerance=1e-8) const
Vector< t_real >	raw_frequencies () const
	Frequencies from SPECTRAL_WINDOW for a this channel. More...
	PURIFY_MACRO (I)
	PURIFY_MACRO (Q)
	PURIFY_MACRO (U)
	PURIFY_MACRO (V)
	PURIFY_MACRO (LL)
	PURIFY_MACRO (RR)
	PURIFY_MACRO (LR)
	PURIFY_MACRO (RL)
	PURIFY_MACRO (XX)
	PURIFY_MACRO (YY)
	PURIFY_MACRO (XY)
	PURIFY_MACRO (YX)
Vector< t_real >	frequencies () const
	Frequencies for each valid measurement. More...
Vector< t_real >	width () const
	Channel width for each valid measurement. More...
Vector< t_real >	effective_noise_bandwidth () const
	Effective noise band-width width for each valid measurement. More...
Vector< t_real >	resolution () const
	Effective spectral resolution for each valid measurement. More...
bool	is_valid () const
	Check if channel has any data. More...

Detailed Description

Definition at line 209 of file casacore.h.

Member Enumeration Documentation

Sigma

enum purify::casa::MeasurementSet::ChannelWrapper::Sigma

strong

Possible locations for SIGMA.

Enumerator
OVERALL
SPECTRUM

Definition at line 212 of file casacore.h.

{ OVERALL, SPECTRUM };

Constructor & Destructor Documentation

ChannelWrapper()

purify::casa::MeasurementSet::ChannelWrapper::ChannelWrapper ( t_uint  channel, MeasurementSet const &  ms, std::string const &  filter = ""  )

inline

Definition at line 213 of file casacore.h.

      : ms_(ms), filter_(filter), channel_(channel) {}

Member Function Documentation

channel()

t_uint purify::casa::MeasurementSet::ChannelWrapper::channel ( ) const

inline

Channel this object is associated with.

Definition at line 217 of file casacore.h.

{ return channel_; }

data_desc_id()

Vector<t_int> purify::casa::MeasurementSet::ChannelWrapper::data_desc_id ( ) const

inline

DATA_DESC_ID from table MAIN.

Definition at line 237 of file casacore.h.

{ return ms_.column<t_int>("DATA_DESC_ID", filter()); }

References purify::casa::MeasurementSet::column().

declination()

Direction::Scalar purify::casa::MeasurementSet::ChannelWrapper::declination ( t_real  tolerance = 1e-8 ) const

inline

Definition at line 244 of file casacore.h.

                                                             {
    return ms_.declination(tolerance, filter());
  }

References purify::casa::MeasurementSet::declination().

direction()

Direction purify::casa::MeasurementSet::ChannelWrapper::direction ( t_real  tolerance = 1e-8 ) const

inline

Direction (RA, DEC) in radian.

Definition at line 240 of file casacore.h.

{ return ms_.direction(tolerance, filter()); }

References purify::casa::MeasurementSet::direction().

effective_noise_bandwidth()

Vector<t_real> purify::casa::MeasurementSet::ChannelWrapper::effective_noise_bandwidth ( ) const

inline

Effective noise band-width width for each valid measurement.

Definition at line 285 of file casacore.h.

                                                   {
    return joined_spectral_window("EFFECTIVE_BW");
  }

field_ids()

Vector<t_int> purify::casa::MeasurementSet::ChannelWrapper::field_ids ( ) const

inline

FIELD_ID from table MAIN.

Definition at line 235 of file casacore.h.

{ return ms_.column<t_int>("FIELD_ID", filter()); }

References purify::casa::MeasurementSet::column().

frequencies()

Vector<t_real> purify::casa::MeasurementSet::ChannelWrapper::frequencies ( ) const

inline

Frequencies for each valid measurement.

Definition at line 281 of file casacore.h.

{ return joined_spectral_window("CHAN_FREQ"); }

is_valid()

bool purify::casa::MeasurementSet::ChannelWrapper::is_valid

(

)

const

Check if channel has any data.

Definition at line 80 of file casacore.cc.

                                                  {
  std::ostringstream sstr;
  sstr << "USING STYLE PYTHON SELECT FLAG[" << channel_ << ",] as R FROM $1 WHERE NOT any(FLAG["
       << channel_ << ",])";
  if (not filter_.empty()) sstr << "AND " << filter_;
  auto const taql_table = ::casacore::tableCommand(sstr.str(), ms_.table());
  return taql_table.table().nrow() > 0;
}

PURIFY_MACRO() [1/15]

purify::casa::MeasurementSet::ChannelWrapper::PURIFY_MACRO

(

I

)

PURIFY_MACRO() [2/15]

purify::casa::MeasurementSet::ChannelWrapper::PURIFY_MACRO

(

LL

)

PURIFY_MACRO() [3/15]

purify::casa::MeasurementSet::ChannelWrapper::PURIFY_MACRO

(

LR

)

PURIFY_MACRO() [4/15]

purify::casa::MeasurementSet::ChannelWrapper::PURIFY_MACRO

(

Q

)

PURIFY_MACRO() [5/15]

purify::casa::MeasurementSet::ChannelWrapper::PURIFY_MACRO

(

RL

)

PURIFY_MACRO() [6/15]

purify::casa::MeasurementSet::ChannelWrapper::PURIFY_MACRO

(

RR

)

PURIFY_MACRO() [7/15]

purify::casa::MeasurementSet::ChannelWrapper::PURIFY_MACRO

(

U

)

PURIFY_MACRO() [8/15]

purify::casa::MeasurementSet::ChannelWrapper::PURIFY_MACRO	(	u	,
		0
	)

PURIFY_MACRO() [9/15]

purify::casa::MeasurementSet::ChannelWrapper::PURIFY_MACRO

(

V

)

PURIFY_MACRO() [10/15]

purify::casa::MeasurementSet::ChannelWrapper::PURIFY_MACRO	(	v	,
		1
	)

PURIFY_MACRO() [11/15]

purify::casa::MeasurementSet::ChannelWrapper::PURIFY_MACRO	(	w	,
		2
	)

PURIFY_MACRO() [12/15]

purify::casa::MeasurementSet::ChannelWrapper::PURIFY_MACRO

(

XX

)

PURIFY_MACRO() [13/15]

purify::casa::MeasurementSet::ChannelWrapper::PURIFY_MACRO

(

XY

)

PURIFY_MACRO() [14/15]

purify::casa::MeasurementSet::ChannelWrapper::PURIFY_MACRO

(

YX

)

PURIFY_MACRO() [15/15]

purify::casa::MeasurementSet::ChannelWrapper::PURIFY_MACRO

(

YY

)

raw_frequencies()

Vector<t_real> purify::casa::MeasurementSet::ChannelWrapper::raw_frequencies ( ) const

inline

Frequencies from SPECTRAL_WINDOW for a this channel.

Definition at line 249 of file casacore.h.

{ return raw_spectral_window("CHAN_FREQ"); }

resolution()

Vector<t_real> purify::casa::MeasurementSet::ChannelWrapper::resolution ( ) const

inline

Effective spectral resolution for each valid measurement.

Definition at line 289 of file casacore.h.

{ return joined_spectral_window("RESOLUTION"); }

right_ascension()

Direction::Scalar purify::casa::MeasurementSet::ChannelWrapper::right_ascension ( t_real  tolerance = 1e-8 ) const

inline

Definition at line 241 of file casacore.h.

                                                                 {
    return ms_.right_ascension(tolerance, filter());
  }

References purify::casa::MeasurementSet::right_ascension().

size()

t_uint purify::casa::MeasurementSet::ChannelWrapper::size

(

)

const

Number of rows in a channel.

Definition at line 368 of file casacore.cc.

                                                {
  if (ms_.table().nrow() == 0) return 0;
  std::ostringstream sstr;
  sstr << "USING STYLE PYTHON SELECT FLAG[" << channel_ << ",] as R FROM $1 WHERE NOT any(FLAG["
       << channel_ << ",])";
  if (not filter_.empty()) sstr << "AND " << filter_;
  auto const taql_table = ::casacore::tableCommand(sstr.str(), ms_.table());
  auto const vtable = taql_table.table();
  return vtable.nrow();
}

width()

Vector<t_real> purify::casa::MeasurementSet::ChannelWrapper::width ( ) const

inline

Channel width for each valid measurement.

Definition at line 283 of file casacore.h.

{ return joined_spectral_window("CHAN_WIDTH"); }

---

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

• /home/runner/work/purify/purify/cpp/purify/casacore.h
• /home/runner/work/purify/purify/cpp/purify/casacore.cc