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| GLSDer< DataPoint, _NFilter, DiffType, T > & | glsDer () |
| | Explicit conversion to CLASSNAME, to access methods potentially hidden by heritage.
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| const GLSDer< DataPoint, _NFilter, DiffType, T > & | glsDer () const |
| | Explicit conversion to CLASSNAME, to access methods potentially hidden by heritage.
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| GLSDer< DataPoint, _NFilter, DiffType, T > & | geomVar () |
| | Explicit conversion to CLASSNAME, to access methods potentially hidden by heritage.
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| const GLSDer< DataPoint, _NFilter, DiffType, T > & | geomVar () const |
| | Explicit conversion to CLASSNAME, to access methods potentially hidden by heritage.
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| ScalarArray | dtau () const |
| | Compute and return \( \tau \) derivatives.
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| VectorArray | deta () const |
| | Compute and return \( \eta \) derivatives.
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| ScalarArray | dkappa () const |
| | Compute and return \( \kappa \) derivatives.
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| ScalarArray | dtau_normalized () const |
| | Compute and return \( \tau \) derivatives.
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| VectorArray | deta_normalized () const |
| | Compute and return \( t * d\eta \).
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| ScalarArray | dkappa_normalized () const |
| | Compute and return \( d\kappa * t^{2} \).
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| 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.
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template<class DataPoint, class _NFilter, int DiffType, typename T>
requires ProvidesAlgebraicSphere<T>&& ProvidesImplicitPrimitiveDerivative<T>&& ProvidesGLSParam<T>
class Ponca::GLSDer< DataPoint, _NFilter, DiffType, T >
Differentiation of GLSParam.
Method published in [14]
Definition at line 121 of file gls.h.
template<class DataPoint, class _NFilter, int DiffType, typename T>
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 [14]
- Parameters
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| wtau | Weight applied to \( \tau \) |
| weta | Weight applied to \( \eta \) |
| wkappa | Weight applied to \( \kappa \) |
- Returns
1.15.0