1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118
|
/*=========================================================================
*
* Copyright Insight Software Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#ifndef itkBoxImageFilter_hxx
#define itkBoxImageFilter_hxx
#include "itkBoxImageFilter.h"
#include "itkProgressAccumulator.h"
namespace itk
{
template< typename TInputImage, typename TOutputImage >
BoxImageFilter< TInputImage, TOutputImage >
::BoxImageFilter()
{
m_Radius.Fill(1); // a good arbitrary starting point
}
template< typename TInputImage, typename TOutputImage >
void
BoxImageFilter< TInputImage, TOutputImage >
::SetRadius(const RadiusType & radius)
{
if ( m_Radius != radius )
{
m_Radius = radius;
this->Modified();
}
}
template< typename TInputImage, typename TOutputImage >
void
BoxImageFilter< TInputImage, TOutputImage >
::SetRadius(const RadiusValueType & radius)
{
RadiusType rad;
rad.Fill(radius);
this->SetRadius(rad);
}
template< typename TInputImage, typename TOutputImage >
void
BoxImageFilter< TInputImage, TOutputImage >
::GenerateInputRequestedRegion()
{
// call the superclass' implementation of this method
Superclass::GenerateInputRequestedRegion();
// get pointers to the input and output
typename Superclass::InputImagePointer inputPtr =
const_cast< TInputImage * >( this->GetInput() );
if ( !inputPtr )
{
return;
}
// get a copy of the input requested region (should equal the output
// requested region)
typename TInputImage::RegionType inputRequestedRegion;
inputRequestedRegion = inputPtr->GetRequestedRegion();
// pad the input requested region by the operator radius
inputRequestedRegion.PadByRadius(m_Radius);
// crop the input requested region at the input's largest possible region
if ( inputRequestedRegion.Crop( inputPtr->GetLargestPossibleRegion() ) )
{
inputPtr->SetRequestedRegion(inputRequestedRegion);
return;
}
else
{
// Couldn't crop the region (requested region is outside the largest
// possible region). Throw an exception.
// store what we tried to request (prior to trying to crop)
inputPtr->SetRequestedRegion(inputRequestedRegion);
// build an exception
InvalidRequestedRegionError e(__FILE__, __LINE__);
std::ostringstream msg;
msg << static_cast< const char * >( this->GetNameOfClass() )
<< "::GenerateInputRequestedRegion()";
e.SetLocation( msg.str().c_str() );
e.SetDescription("Requested region is (at least partially) outside the largest possible region.");
e.SetDataObject(inputPtr);
throw e;
}
}
template< typename TInputImage, typename TOutputImage >
void
BoxImageFilter< TInputImage, TOutputImage >
::PrintSelf(std::ostream & os, Indent indent) const
{
Superclass::PrintSelf(os, indent);
os << indent << "Radius: " << m_Radius << std::endl;
}
}
#endif
|