colour.CAM_Specification_RLAB¶
- class colour.CAM_Specification_RLAB(J: Optional[FloatingOrNDArray] = <factory>, C: Optional[FloatingOrNDArray] = <factory>, h: Optional[FloatingOrNDArray] = <factory>, s: Optional[FloatingOrNDArray] = <factory>, HC: Optional[FloatingOrNDArray] = <factory>, a: Optional[FloatingOrNDArray] = <factory>, b: Optional[FloatingOrNDArray] = <factory>)[source]¶
Define the RLAB colour appearance model specification.
This specification has field names consistent with the remaining colour appearance models in
colour.appearance
but diverge from Fairchild (2013) reference.- Parameters
J (Optional[FloatingOrNDArray]) – Correlate of Lightness \(L^R\).
C (Optional[FloatingOrNDArray]) – Correlate of achromatic chroma \(C^R\).
h (Optional[FloatingOrNDArray]) – Hue angle \(h^R\) in degrees.
s (Optional[FloatingOrNDArray]) – Correlate of saturation \(s^R\).
HC (Optional[FloatingOrNDArray]) – Hue \(h\) composition \(H^C\).
a (Optional[FloatingOrNDArray]) – Red-green chromatic response \(a^R\).
b (Optional[FloatingOrNDArray]) – Yellow-blue chromatic response \(b^R\).
- Return type
None
Notes
This specification is the one used in the current model implementation.
References
- __init__(J: Optional[FloatingOrNDArray] = <factory>, C: Optional[FloatingOrNDArray] = <factory>, h: Optional[FloatingOrNDArray] = <factory>, s: Optional[FloatingOrNDArray] = <factory>, HC: Optional[FloatingOrNDArray] = <factory>, a: Optional[FloatingOrNDArray] = <factory>, b: Optional[FloatingOrNDArray] = <factory>) None ¶
- Parameters
J (Optional[FloatingOrNDArray]) –
C (Optional[FloatingOrNDArray]) –
h (Optional[FloatingOrNDArray]) –
s (Optional[FloatingOrNDArray]) –
HC (Optional[FloatingOrNDArray]) –
a (Optional[FloatingOrNDArray]) –
b (Optional[FloatingOrNDArray]) –
- Return type
None
Methods
__init__
([J, C, h, s, HC, a, b])Attributes
fields
Getter property for the fields of the
dataclass
-like class.items
Getter property for the
dataclass
-like class items, i.e. the field names and values.keys
Getter property for the
dataclass
-like class keys, i.e. the field names.values
Getter property for the
dataclass
-like class values, i.e. the field values.J
C
h
s
HC
a
b