/usr/include/InsightToolkit/SpatialObject/itkBlobSpatialObject.txx is in libinsighttoolkit3-dev 3.20.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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Program: Insight Segmentation & Registration Toolkit
Module: itkBlobSpatialObject.txx
Language: C++
Date: $Date$
Version: $Revision$
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 __itkBlobSpatialObject_txx
#define __itkBlobSpatialObject_txx
#if defined(_MSC_VER)
#pragma warning ( disable : 4786 )
#endif
#include "itkBlobSpatialObject.h"
#include "itkNumericTraits.h"
namespace itk
{
/** Constructor */
template< unsigned int TDimension >
BlobSpatialObject< TDimension >
::BlobSpatialObject()
{
this->SetDimension(TDimension);
this->SetTypeName("BlobSpatialObject");
this->GetProperty()->SetRed(1);
this->GetProperty()->SetGreen(0);
this->GetProperty()->SetBlue(0);
this->GetProperty()->SetAlpha(1);
}
/** Destructor */
template< unsigned int TDimension >
BlobSpatialObject< TDimension >
::~BlobSpatialObject()
{
}
/** Get the list of points that defines the blob */
template< unsigned int TDimension >
typename BlobSpatialObject< TDimension > ::PointListType &
BlobSpatialObject< TDimension >
::GetPoints()
{
itkDebugMacro( "Getting BlobPoint list" );
return m_Points;
}
/** Get the list of points which are defining the blob */
template< unsigned int TDimension >
const typename BlobSpatialObject< TDimension > ::PointListType &
BlobSpatialObject< TDimension >
::GetPoints() const
{
itkDebugMacro( "Getting BlobPoint list" );
return m_Points;
}
/** Set the points which are defining the Blob structure */
template< unsigned int TDimension >
void
BlobSpatialObject< TDimension >
::SetPoints( PointListType & points )
{
// in this function, passing a null pointer as argument will
// just clear the list...
m_Points.clear();
typename PointListType::iterator it,end;
it = points.begin();
end = points.end();
while(it != end)
{
m_Points.push_back(*it);
it++;
}
this->ComputeBoundingBox();
this->Modified();
}
/** Print the blob spatial object */
template< unsigned int TDimension >
void
BlobSpatialObject< TDimension >
::PrintSelf( std::ostream& os, Indent indent ) const
{
os << indent << "BlobSpatialObject(" << this << ")" << std::endl;
os << indent << "ID: " << this->GetId() << std::endl;
os << indent << "nb of points: "
<< static_cast<unsigned long>( m_Points.size() ) << std::endl;
Superclass::PrintSelf( os, indent );
}
/** Compute the bounds of the blob */
template< unsigned int TDimension >
bool
BlobSpatialObject< TDimension >
::ComputeLocalBoundingBox() const
{
itkDebugMacro( "Computing blob bounding box" );
if( this->GetBoundingBoxChildrenName().empty()
|| strstr(typeid(Self).name(),
this->GetBoundingBoxChildrenName().c_str()) )
{
typename PointListType::const_iterator it = m_Points.begin();
typename PointListType::const_iterator end = m_Points.end();
if(it == end)
{
return false;
}
else
{
PointType pt =
this->GetIndexToWorldTransform()->TransformPoint((*it).GetPosition());
const_cast<BoundingBoxType *>(this->GetBounds())->SetMinimum(pt);
const_cast<BoundingBoxType *>(this->GetBounds())->SetMaximum(pt);
it++;
while(it!= end)
{
pt =
this->GetIndexToWorldTransform()->TransformPoint((*it).GetPosition());
const_cast<BoundingBoxType *>(this->GetBounds())->ConsiderPoint(pt);
it++;
}
}
}
return true;
}
/** Test whether a point is inside or outside the object
* For computational speed purposes, it is faster if the method does not
* check the name of the class and the current depth */
template< unsigned int TDimension >
bool
BlobSpatialObject< TDimension >
::IsInside( const PointType & point) const
{
typename PointListType::const_iterator it = m_Points.begin();
typename PointListType::const_iterator itEnd = m_Points.end();
if( !this->SetInternalInverseTransformToWorldToIndexTransform() )
{
return false;
}
PointType transformedPoint =
this->GetInternalInverseTransform()->TransformPoint(point);
if( this->GetBounds()->IsInside(transformedPoint) )
{
while(it != itEnd)
{
typename PointType::VectorType difference =
transformedPoint - it->GetPosition();
if(vcl_fabs(difference[0]) <= 0.5 &&
vcl_fabs(difference[1]) <= 0.5)
{
if(TDimension == 3)
{
if(vcl_fabs(difference[2]) <= 0.5)
{
return true;
}
}
else
{
return true;
}
}
it++;
}
}
return false;
}
/** Test if the given point is inside the blob
* Note: ComputeBoundingBox should be called before. */
template< unsigned int TDimension >
bool
BlobSpatialObject< TDimension >
::IsInside( const PointType & point, unsigned int depth, char * name ) const
{
itkDebugMacro( "Checking the point [" << point << "] is inside the blob" );
if(name == NULL)
{
if(IsInside(point))
{
return true;
}
}
else if(strstr(typeid(Self).name(), name))
{
if(IsInside(point))
{
return true;
}
}
return Superclass::IsInside(point, depth, name);
}
/** Return true if the blob is evaluable at a given point
* i.e if the point is defined in the points list */
template< unsigned int TDimension >
bool
BlobSpatialObject< TDimension >
::IsEvaluableAt( const PointType & point,
unsigned int depth, char * name ) const
{
itkDebugMacro( "Checking if the blob is evaluable at " << point );
return IsInside(point, depth, name);
}
/** Return 1 if the point is in the points list */
template< unsigned int TDimension >
bool
BlobSpatialObject< TDimension >
::ValueAt( const PointType & point, double & value, unsigned int depth,
char * name ) const
{
itkDebugMacro( "Getting the value of the blob at " << point );
if( IsInside(point, 0, name) )
{
value = this->GetDefaultInsideValue();
return true;
}
else
{
if( Superclass::IsEvaluableAt(point, depth, name) )
{
Superclass::ValueAt(point, value, depth, name);
return true;
}
else
{
value = this->GetDefaultOutsideValue();
return false;
}
}
}
} // end namespace itk
#endif
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