BoxFilter Struct Reference

#include <Resample.h>

Inheritance diagram for BoxFilter:

Public Types
typedef boost::shared_ptr< const BoxFilter >	CPtr
typedef boost::shared_ptr< BoxFilter >	Ptr
Public Types inherited from Filter
typedef boost::shared_ptr< const Filter >	CPtr
typedef boost::shared_ptr< Filter >	Ptr

Public Member Functions
	BoxFilter ()
	BoxFilter (const float width)
virtual float	eval (const float x) const
	Evaluates the filter at coordinate 't'. More...
virtual float	support () const
	Radial width of the filter (half of diameter) More...
Public Member Functions inherited from Filter
virtual float	initialValue () const
	Initial value (zero by default, but need to be different for min/max) More...

Static Public Member Functions
template<typename Value_T >
static void	op (Value_T &accumValue, const Value_T value)

Static Public Attributes
static const bool	isAnalytic = false

Private Attributes
const float	m_width

Detailed Description

Definition at line 113 of file Resample.h.

Member Typedef Documentation

typedef boost::shared_ptr<BoxFilter> BoxFilter::Ptr

Definition at line 116 of file Resample.h.

typedef boost::shared_ptr<const BoxFilter> BoxFilter::CPtr

Definition at line 117 of file Resample.h.

Constructor & Destructor Documentation

BoxFilter::BoxFilter ( )

inline

Definition at line 122 of file Resample.h.

    : m_width(1.0)
  { }

BoxFilter::BoxFilter ( const float  width )

inline

Definition at line 125 of file Resample.h.

    : m_width(width)
  { }

Member Function Documentation

virtual float BoxFilter::eval ( const float  t ) const

inlinevirtual

Evaluates the filter at coordinate 't'.

Implements Filter.

Definition at line 129 of file Resample.h.

References m_width.

  {
    const float t = x / m_width;
    if (t <= 0.5f) {
      return 1.0f;
    } else {
      return 0.0f;
    }
  }

virtual float BoxFilter::support ( ) const

inlinevirtual

Radial width of the filter (half of diameter)

Implements Filter.

Definition at line 138 of file Resample.h.

References m_width.

  { 
    return 0.5f * m_width; 
  }

template<typename Value_T >

static void BoxFilter::op ( Value_T &  accumValue, const Value_T  value  )

inlinestatic

Definition at line 143 of file Resample.h.

  { /* no-op */ }

Member Data Documentation

const bool BoxFilter::isAnalytic = false

static

Definition at line 119 of file Resample.h.

const float BoxFilter::m_width

private

Definition at line 146 of file Resample.h.

Referenced by eval(), and support().

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The documentation for this struct was generated from the following file:

• export/Resample.h