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Ponca::GLSDer< DataPoint, _NFilter, DiffType, T > Class Template Reference
Differentiation of GLSParam. More...
#include <gls.h>
Inheritance diagram for Ponca::GLSDer< DataPoint, _NFilter, DiffType, T >: Collaboration diagram for Ponca::GLSDer< DataPoint, _NFilter, DiffType, T >:Public Types | |
| using | Scalar = typename DataPoint::Scalar |
| Alias to scalar type. | |
| using | VectorType = typename Base::VectorType |
| Alias to vector type. | |
| using | NeighborFilter = typename Base::NeighborFilter |
| Alias to the filter applied on the neighbors. | |
| using | ScalarArray = typename Base::ScalarArray |
| Alias to scalar derivatives array. | |
| using | VectorArray = typename Base::VectorArray |
| Alias to vector derivatives array. | |
Public Member Functions | |
| GLSDer< DataPoint, _NFilter, DiffType, T > & | glsDer () |
| Explicit conversion to GLSDer , to access methods potentially hidden by heritage. | |
| const GLSDer< DataPoint, _NFilter, DiffType, T > & | glsDer () const |
| Explicit conversion to GLSDer , to access methods potentially hidden by heritage. | |
| ScalarArray | dtau () const |
| Compute and return \( \tau \) derivatives. | |
| VectorArray | deta () const |
| Compute and return \( \eta \) derivatives. | |
| ScalarArray | dkappa () const |
| Compute and return \( \kappa \) derivatives. | |
| ScalarArray | dtau_normalized () const |
| Compute and return \( \tau \) derivatives. | |
| VectorArray | deta_normalized () const |
| Compute and return \( t * d\eta \). | |
| ScalarArray | dkappa_normalized () const |
| Compute and return \( d\kappa * t^{2} \). | |
| Scalar | geomVar (Scalar wtau=Scalar(1), Scalar weta=Scalar(1), Scalar wkappa=Scalar(1)) const |
| The Geometric Variation is computed as the weighted sum of the GLS scale-invariant partial derivatives. | |
Protected Types | |
| enum | { Check , PROVIDES_GLS_DERIVATIVE , PROVIDES_GLS_GEOM_VAR } |
| using | Base = T |
| Base class of the procedure. | |
Detailed Description
template<class DataPoint, class _NFilter, int DiffType, typename T>
class Ponca::GLSDer< DataPoint, _NFilter, DiffType, T >
class Ponca::GLSDer< DataPoint, _NFilter, DiffType, T >
Differentiation of GLSParam.
Method published in [10]
Member Typedef Documentation
◆ Base
|
protected |
◆ NeighborFilter
| using Ponca::GLSDer< DataPoint, _NFilter, DiffType, T >::NeighborFilter = typename Base::NeighborFilter |
◆ Scalar
| using Ponca::GLSDer< DataPoint, _NFilter, DiffType, T >::Scalar = typename DataPoint::Scalar |
◆ ScalarArray
| using Ponca::GLSDer< DataPoint, _NFilter, DiffType, T >::ScalarArray = typename Base::ScalarArray |
◆ VectorArray
| using Ponca::GLSDer< DataPoint, _NFilter, DiffType, T >::VectorArray = typename Base::VectorArray |
◆ VectorType
| using Ponca::GLSDer< DataPoint, _NFilter, DiffType, T >::VectorType = typename Base::VectorType |
Member Enumeration Documentation
◆ anonymous enum
Member Function Documentation
◆ deta()
|
inline |
◆ deta_normalized()
|
inline |
◆ dkappa()
|
inline |
◆ dkappa_normalized()
|
inline |
◆ dtau()
|
inline |
◆ dtau_normalized()
|
inline |
◆ geomVar()
|
inline |
The Geometric Variation is computed as the weighted sum of the GLS scale-invariant partial derivatives.
\[ \nu(\mathbf{p},t) = w_\tau \left(\frac{\delta\tau}{\delta t}\right)^2 + w_\eta \left( t \frac{\delta\eta}{\delta t}\right)^2 + w_\kappa \left( t^2 \frac{\delta\kappa}{\delta t}\right)^2 \]
Method published in [10]
- Parameters
-
wtau Weight applied to \( \tau \) weta Weight applied to \( \eta \) wkappa Weight applied to \( \kappa \)
- Returns
