itk::ProgressReporter Class Reference

Implements progress tracking for a filter. More...

#include <itkProgressReporter.h>

Collaboration diagram for itk::ProgressReporter:

[legend]

List of all members.

Public Member Functions
	ProgressReporter (ProcessObject *filter, int threadId, unsigned long numberOfPixels, unsigned long numberOfUpdates=100, float initialProgress=0.0f, float progressWeight=1.0f)
	~ProgressReporter ()
void	CompletedPixel ()
Protected Attributes
unsigned long	m_CurrentPixel
ProcessObject *	m_Filter
float	m_InitialProgress
float	m_InverseNumberOfPixels
unsigned long	m_PixelsBeforeUpdate
unsigned long	m_PixelsPerUpdate
float	m_ProgressWeight
int	m_ThreadId

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Detailed Description

Implements progress tracking for a filter.

This is a utility class for use by filter implementations in GenerateData() and ThreadedGenerateData().

The class constructor sets the progress to 0, and the destructor sets it to 1. In between, there should be one call to CompletedPixel() per pixel. The reporter will automatically update the filter's progress at an interval resulting in the specified number of updates. The default number of updates is 100.

Example usage:

   ProgressReporter progress(this, threadId,
                             threadRegion.GetNumberOfPixels(), 100);
   for( each pixel )
     {
     ...
     progress.CompletedPixel();
     }

When used in a non-threaded filter, the threadId argument should be 0.

See also:

This class is a tool for filter implementers to equip a filter to report on its progress. For information on how to acquire this progress information, see:

• ProcessObject::ReportProgress()
• Object::AddObserver()

Definition at line 58 of file itkProgressReporter.h.

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Constructor & Destructor Documentation

itk::ProgressReporter::ProgressReporter	(	ProcessObject *	filter,
		int	threadId,
		unsigned long	numberOfPixels,
		unsigned long	numberOfUpdates = 100,
		float	initialProgress = 0.0f,
		float	progressWeight = 1.0f
	)

Constructor sets progress to 0 because the filter is starting.

itk::ProgressReporter::~ProgressReporter

(

)

Destructor sets progress to 1 because the filter has finished.

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Member Function Documentation

void itk::ProgressReporter::CompletedPixel

(

)

[inline]

Called by a filter once per pixel.

Definition at line 72 of file itkProgressReporter.h.

Referenced by itk::BoxAccumulateFunction(), itk::BoxMeanCalculatorFunction(), itk::BoxSigmaCalculatorFunction(), and itk::BoxSquareAccumulateFunction().

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Member Data Documentation

unsigned long itk::ProgressReporter::m_CurrentPixel [protected]

Definition at line 102 of file itkProgressReporter.h.

ProcessObject* itk::ProgressReporter::m_Filter [protected]

Definition at line 99 of file itkProgressReporter.h.

float itk::ProgressReporter::m_InitialProgress [protected]

Definition at line 105 of file itkProgressReporter.h.

float itk::ProgressReporter::m_InverseNumberOfPixels [protected]

Definition at line 101 of file itkProgressReporter.h.

unsigned long itk::ProgressReporter::m_PixelsBeforeUpdate [protected]

Definition at line 104 of file itkProgressReporter.h.

unsigned long itk::ProgressReporter::m_PixelsPerUpdate [protected]

Definition at line 103 of file itkProgressReporter.h.

float itk::ProgressReporter::m_ProgressWeight [protected]

Definition at line 106 of file itkProgressReporter.h.

int itk::ProgressReporter::m_ThreadId [protected]

Definition at line 100 of file itkProgressReporter.h.

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

• itkProgressReporter.h