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itkFilterWatcher.h
executable file
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itkFilterWatcher.h
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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkFilterWatcher.h,v $
Language: C++
Date: $Date: 2007-01-29 14:42:11 $
Version: $Revision: 1.15 $
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#ifndef _itkFilterWatcher_h
#define _itkFilterWatcher_h
#include "itkCommand.h"
#include "itkProcessObject.h"
#include <time.h>
// The following class is a convenience to watch the progress of a filter
class FilterWatcher
{
public:
FilterWatcher(itk::ProcessObject* o, const char *comment="")
{
m_Start = 0; m_End = 0; m_Process = o; m_Steps = 0; m_Comment = comment;
m_TestAbort = false;
#if defined(_COMPILER_VERSION) && (_COMPILER_VERSION == 730)
m_Quiet = true;
#else
m_Quiet = false;
#endif
itk::SimpleMemberCommand<FilterWatcher>::Pointer startFilterCommand;
itk::SimpleMemberCommand<FilterWatcher>::Pointer endFilterCommand;
itk::SimpleMemberCommand<FilterWatcher>::Pointer progressFilterCommand;
itk::SimpleMemberCommand<FilterWatcher>::Pointer iterationFilterCommand;
itk::SimpleMemberCommand<FilterWatcher>::Pointer abortFilterCommand;
startFilterCommand = itk::SimpleMemberCommand<FilterWatcher>::New();
endFilterCommand = itk::SimpleMemberCommand<FilterWatcher>::New();
progressFilterCommand = itk::SimpleMemberCommand<FilterWatcher>::New();
iterationFilterCommand = itk::SimpleMemberCommand<FilterWatcher>::New();
abortFilterCommand = itk::SimpleMemberCommand<FilterWatcher>::New();
startFilterCommand->SetCallbackFunction(this,
&FilterWatcher::StartFilter);
endFilterCommand->SetCallbackFunction(this,
&FilterWatcher::EndFilter);
progressFilterCommand->SetCallbackFunction(this,
&FilterWatcher::ShowProgress);
iterationFilterCommand->SetCallbackFunction(this,
&FilterWatcher::ShowIteration);
abortFilterCommand->SetCallbackFunction(this,
&FilterWatcher::ShowAbort);
m_Process->AddObserver(itk::StartEvent(), startFilterCommand);
m_Process->AddObserver(itk::EndEvent(), endFilterCommand);
m_Process->AddObserver(itk::ProgressEvent(), progressFilterCommand);
m_Process->AddObserver(itk::IterationEvent(), iterationFilterCommand);
m_Process->AddObserver(itk::AbortEvent(), abortFilterCommand);
}
virtual ~FilterWatcher() {}
virtual void ShowProgress()
{
m_Steps++;
if (!m_Quiet)
{
std::cout << " | " << m_Process->GetProgress() << std::flush;
if ((m_Steps % 10) == 0)
{
std::cout << std::endl;
}
}
if (m_TestAbort)
{
if (m_Process->GetProgress() > .03)
{
m_Process->AbortGenerateDataOn();
}
}
}
virtual void ShowAbort()
{
std::cout << std::endl << " ABORT" << std::endl << std::flush;
}
virtual void ShowIteration()
{
std::cout << " # " << std::flush;
m_Iterations++;
}
virtual void StartFilter()
{
m_Steps = 0;
m_Iterations = 0;
m_Start = ::clock();
std::cout << "-------- Start " << m_Process->GetNameOfClass()
<< " \"" << m_Comment << "\" "
<< m_Process
<< (m_Quiet ? "Progress Quiet " : "Progress ")
<< std::flush;
}
const char *GetNameOfClass () {return m_Process->GetNameOfClass();}
virtual void EndFilter()
{
m_End = ::clock();
std::cout << std::endl << "Filter took "
<< static_cast<double>(m_End - m_Start) / CLOCKS_PER_SEC
<< " seconds.";
std::cout << std::endl << std::endl
<< "-------- End " << m_Process->GetNameOfClass()
<< " \"" << m_Comment << "\" "
<< m_Process << std::flush;
if (m_Steps < 1)
{
itkExceptionMacro ("Filter does not have progress.");
}
}
void QuietOn() {m_Quiet = true;};
void QuietOff() {m_Quiet = false;};
void TestAbortOn() {m_TestAbort = true;};
void TestAbortOff() {m_TestAbort = false;};
protected:
clock_t m_Start;
clock_t m_End;
int m_Steps;
int m_Iterations;
bool m_Quiet;
bool m_TestAbort;
std::string m_Comment;
itk::ProcessObject::Pointer m_Process;
private:
FilterWatcher(); // Purposely not implemented
};
#endif