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...

Private Attributes
const float	m_width

Detailed Description

Definition at line 107 of file Resample.h.

Member Typedef Documentation

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

Definition at line 110 of file Resample.h.

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

Definition at line 111 of file Resample.h.

Constructor & Destructor Documentation

BoxFilter::BoxFilter ( )

inline

Definition at line 113 of file Resample.h.

    : m_width(1.0)
  { }

BoxFilter::BoxFilter ( const float  width )

inline

Definition at line 116 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 120 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 129 of file Resample.h.

References m_width.

  { 
    return 0.5f * m_width; 
  }

Member Data Documentation

const float BoxFilter::m_width

private

Definition at line 134 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