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/*=========================================================================
Program: Image Guided Surgery Software Toolkit
Module: $RCSfile: igstkTransformBase.cxx,v $
Language: C++
Date: $Date: 2009-01-30 18:24:31 $
Version: $Revision: 1.1 $
Copyright (c) ISC Insight Software Consortium. All rights reserved.
See IGSTKCopyright.txt or http://www.igstk.org/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.
=========================================================================*/
#include "igstkTransformBase.h"
namespace igstk
{
TransformBase
::TransformBase()
{
// Error is NEVER zero. In the best situation is on the range of the smaller
// non-zero epsilon that can be represented with the ErrorType.
m_Error = itk::NumericTraits< ErrorType >::min();
}
TransformBase
::TransformBase( const TransformBase & inputTransform )
{
m_Error = inputTransform.m_Error;
m_TimeStamp = inputTransform.m_TimeStamp;
}
TransformBase
::~TransformBase()
{
}
TransformBase::TimePeriodType
TransformBase
::GetStartTime() const
{
return m_TimeStamp.GetStartTime();
}
TransformBase::TimePeriodType
TransformBase
::GetExpirationTime() const
{
return m_TimeStamp.GetExpirationTime();
}
bool
TransformBase
::IsValidAtTime( TimePeriodType timeToCheckInMilliseconds ) const
{
return m_TimeStamp.IsValidAtTime( timeToCheckInMilliseconds );
}
bool
TransformBase
::IsValidNow() const
{
return m_TimeStamp.IsValidNow();
}
/**
* This operator allows all subclasses of LightObject to be printed via <<.
* It in turn invokes the Print method, which in turn will invoke the
* PrintSelf method that all objects should define, if they have anything
* interesting to print out.
*/
std::ostream& operator<<( std::ostream& os, const TransformBase& o )
{
o.Print(os, 0);
return os;
}
} // end namespace igstk
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