casa::ParAngleChangeDetector Class Reference

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#include <Utils.h>

Inheritance diagram for casa::ParAngleChangeDetector:

Public Member Functions
	ParAngleChangeDetector ()
	The default constructor. More...
	ParAngleChangeDetector (const casacore::Quantity &pa_tolerance)
	set up the tolerance, which determines how much the position angle should change to report the change by this class More...
virtual void	setTolerance (const casacore::Quantity &pa_tolerance)
virtual void	reset ()
	reset to the state which exists just after construction More...
casacore::Quantity	getParAngleTolerance () const
	return parallactic angle tolerance More...
virtual casacore::Bool	changed (const VisBuffer &vb, casacore::Int row) const
	implementation of the base class' virtual functions More...
virtual void	update (const VisBuffer &vb, casacore::Int row)
	start looking for a change from the given row of the VisBuffer More...
Public Member Functions inherited from casa::IChangeDetector
casacore::Bool	changed (const VisBuffer &vb) const
	some derived methods, which use the abstract virtual function changed(vb,row) More...
casacore::Bool	changedBuffer (const VisBuffer &vb, casacore::Int row1, casacore::Int &row2) const
	return true if a change occurs somewhere in the buffer starting from row1 up to row2 (row2=-1 means up to the end of the buffer). More...

Private Attributes
casacore::Double	pa_tolerance_p
casacore::Double	last_pa_p
	the angle is considered to be changed. More...

Additional Inherited Members
Protected Member Functions inherited from casa::IChangeDetector
virtual	~IChangeDetector ()
	a virtual destructor to make the compiler happy More...

Detailed Description

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ParAngleChangeDetector - a class to detect a change in the parallactic angle.

Definition at line 184 of file Utils.h.

Constructor & Destructor Documentation

casa::ParAngleChangeDetector::ParAngleChangeDetector ( )

inline

The default constructor.

Definition at line 190 of file Utils.h.

casa::ParAngleChangeDetector::ParAngleChangeDetector

(

const casacore::Quantity &

pa_tolerance

)

set up the tolerance, which determines how much the position angle should change to report the change by this class

Member Function Documentation

virtual casacore::Bool casa::ParAngleChangeDetector::changed ( const VisBuffer &  vb, casacore::Int  row  ) const

virtual

implementation of the base class' virtual functions

return true if a change occurs in the given row since the last call of update

Implements casa::IChangeDetector.

casacore::Quantity casa::ParAngleChangeDetector::getParAngleTolerance

(

)

const

return parallactic angle tolerance

virtual void casa::ParAngleChangeDetector::reset ( )

virtual

reset to the state which exists just after construction

Implements casa::IChangeDetector.

Referenced by casa::nPBWProjectFT::reset(), and casa::AWProjectFT::reset().

virtual void casa::ParAngleChangeDetector::setTolerance ( const casacore::Quantity &  pa_tolerance )

virtual

virtual void casa::ParAngleChangeDetector::update ( const VisBuffer &  vb, casacore::Int  row  )

virtual

start looking for a change from the given row of the VisBuffer

Implements casa::IChangeDetector.

Member Data Documentation

casacore::Double casa::ParAngleChangeDetector::last_pa_p

private

the angle is considered to be changed.

Definition at line 187 of file Utils.h.

casacore::Double casa::ParAngleChangeDetector::pa_tolerance_p

private

Definition at line 185 of file Utils.h.

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

• casa/code/synthesis/TransformMachines/Utils.h