#include <Resample.h>
|
| virtual float | eval (const float x) const |
| | Evaluates the filter at coordinate 't'. More...
|
| |
| | MitchellFilter (const float width=1.0, const float B=1.0/3.0, const float C=1.0/3.0) |
| |
| virtual float | support () const |
| | Radial width of the filter (half of diameter) More...
|
| |
| virtual float | eval (const float t) const =0 |
| | Evaluates the filter at coordinate 't'. More...
|
| |
| virtual float | initialValue () const |
| | Initial value (zero by default, but need to be different for min/max) More...
|
| |
| virtual float | support () const =0 |
| | Radial width of the filter (half of diameter) More...
|
| |
|
| template<typename Value_T > |
| static void | op (Value_T &accumValue, const Value_T value) |
| |
Definition at line 340 of file Resample.h.
◆ Ptr
◆ CPtr
◆ MitchellFilter()
| MitchellFilter::MitchellFilter |
( |
const float |
width = 1.0, |
|
|
const float |
B = 1.0 / 3.0, |
|
|
const float |
C = 1.0 / 3.0 |
|
) |
| |
|
inline |
◆ eval()
| virtual float MitchellFilter::eval |
( |
const float |
t | ) |
const |
|
inlinevirtual |
Evaluates the filter at coordinate 't'.
Implements Filter.
Definition at line 354 of file Resample.h.
355 {
356 const float ax = std::abs(x /
m_width);
357 if (ax < 1) {
358 return ((12 - 9 *
m_B - 6 *
m_C) * ax * ax * ax +
359 (-18 + 12 *
m_B + 6 *
m_C) * ax * ax + (6 - 2 *
m_B)) / 6;
360 } else if ((ax >= 1) && (ax < 2)) {
361 return ((-
m_B - 6 *
m_C) * ax * ax * ax +
362 (6 *
m_B + 30 *
m_C) * ax * ax + (-12 *
m_B - 48 *
m_C) *
363 ax + (8 *
m_B + 24 *
m_C)) / 6;
364 } else {
365 return 0;
366 }
367 }
References m_B, m_C, and m_width.
◆ support()
| virtual float MitchellFilter::support |
( |
| ) |
const |
|
inlinevirtual |
◆ op()
template<typename Value_T >
| static void MitchellFilter::op |
( |
Value_T & |
accumValue, |
|
|
const Value_T |
value |
|
) |
| |
|
inlinestatic |
◆ isAnalytic
| const bool MitchellFilter::isAnalytic = false |
|
static |
◆ m_B
| const float MitchellFilter::m_B |
|
private |
◆ m_C
| const float MitchellFilter::m_C |
|
private |
◆ m_width
| const float MitchellFilter::m_width |
|
private |
The documentation for this struct was generated from the following file: