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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkSpatialObjectToImageFilter.h,v $
Language: C++
Date: $Date: 2008-01-02 15:12:17 $
Version: $Revision: 1.11 $
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 __itkSpatialObjectToImageFilter_h
#define __itkSpatialObjectToImageFilter_h
#include "itkImageSource.h"
#include "itkConceptChecking.h"
namespace itk
{
/** \class SpatialObjectToImageFilter
* \brief Base class for filters that take a SpatialObject
* as input and produce an image as output.
* By default, if the user does not specify the size of the output image,
* the maximum size of the object's bounding box is used.
* The spacing of the image is given by the spacing of the input
* Spatial object.
*/
template <class TInputSpatialObject, class TOutputImage>
class ITK_EXPORT SpatialObjectToImageFilter : public ImageSource<TOutputImage>
{
public:
/** Standard class typedefs. */
typedef SpatialObjectToImageFilter Self;
typedef ImageSource<TOutputImage> Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
typedef TOutputImage OutputImageType;
typedef typename OutputImageType::SizeType SizeType;
typedef typename OutputImageType::PointType PointType;
typedef typename OutputImageType::Pointer OutputImagePointer;
typedef typename OutputImageType::ValueType ValueType;
typedef typename OutputImageType::SpacingType SpacingType;
typedef typename OutputImageType::DirectionType DirectionType;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(SpatialObjectToImageFilter, ImageSource);
/** Superclass typedefs. */
typedef typename Superclass::OutputImageRegionType OutputImageRegionType;
/** Some convenient typedefs. */
typedef TInputSpatialObject InputSpatialObjectType;
typedef typename InputSpatialObjectType::Pointer InputSpatialObjectPointer;
typedef typename InputSpatialObjectType::ConstPointer InputSpatialObjectConstPointer;
typedef typename TInputSpatialObject::ChildrenListType ChildrenListType;
/** ImageDimension constants */
itkStaticConstMacro(ObjectDimension, unsigned int,
InputSpatialObjectType::ObjectDimension);
itkStaticConstMacro(OutputImageDimension, unsigned int,
TOutputImage::ImageDimension);
/** Set/Get the image input of this process object. */
virtual void SetInput( const InputSpatialObjectType *object);
virtual void SetInput( unsigned int, const InputSpatialObjectType * object);
const InputSpatialObjectType * GetInput( void );
const InputSpatialObjectType * GetInput( unsigned int idx );
/** Spacing (size of a pixel) of the output image. The
* spacing is the geometric distance between image samples.
* It is stored internally as double, but may be set from
* float. \sa GetSpacing() */
virtual void SetSpacing( const SpacingType& spacing);
virtual void SetSpacing( const double* spacing);
virtual void SetSpacing( const float* spacing);
virtual const double * GetSpacing( void ) const;
/** Directions of the output image. The
* direction is for oriented images. */
virtual void SetDirection( const DirectionType & direction );
virtual const DirectionType & GetDirection( void ) const;
/** Set/Get the value for pixels inside the spatial object.
* By default, this filter will return an image
* that contains values from the spatial object specified as input.
* If this "inside" value is changed to a non-null value,
* the output produced by this filter will be a mask with inside/outside values
* specified by the user. */
itkSetMacro( InsideValue, ValueType );
itkGetMacro( InsideValue, ValueType );
/** Set/Get the value for pixels outside the spatial object.
* By default, this filter will return an image
* that contains values from the spatial object specified as input.
* If this "outside" value is changed to a non-null value,
* the output produced by this filter will be a mask with inside/outside values
* specified by the user. */
itkSetMacro( OutsideValue, ValueType );
itkGetMacro( OutsideValue, ValueType );
/** The origin of the output image. The origin is the geometric
* coordinates of the index (0,0,...,0). It is stored internally
* as double but may be set from float.
* \sa GetOrigin() */
virtual void SetOrigin( const PointType& origin );
virtual void SetOrigin( const double* origin );
virtual void SetOrigin( const float* origin );
virtual const double * GetOrigin( void ) const;
/** The spatial object being transformed can be part of a hierarchy.
* How deep in the hierarchy should we descend in generating the
* image? A ChildrenDepth of 0 means to only include the object
* itself. */
itkSetMacro( ChildrenDepth, unsigned int );
itkGetMacro( ChildrenDepth, unsigned int );
/** Set/Get Size */
itkSetMacro( Size, SizeType );
itkGetMacro( Size, SizeType );
/** If UseObjectValue is set to true, then the filter uses
* the ValueAt() function instead of IsInside() */
itkSetMacro( UseObjectValue, bool );
itkGetMacro( UseObjectValue, bool );
protected:
SpatialObjectToImageFilter();
~SpatialObjectToImageFilter();
virtual void GenerateOutputInformation(){}; // do nothing
virtual void GenerateData();
SizeType m_Size;
double m_Spacing[OutputImageDimension];
double m_Origin[OutputImageDimension];
DirectionType m_Direction;
unsigned int m_ChildrenDepth;
ValueType m_InsideValue;
ValueType m_OutsideValue;
bool m_UseObjectValue;
virtual void PrintSelf(std::ostream& os, Indent indent) const;
private:
SpatialObjectToImageFilter(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
};
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkSpatialObjectToImageFilter.txx"
#endif
#endif
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