Constants¶
CIE¶
colour.constants
K_M |
Rounded maximum photopic luminous efficiency \(K_m\) value in \(lm\cdot W^{-1}\). |
KP_M |
Rounded maximum scotopic luminous efficiency \(K^{\prime}_m\) value in \(lm\cdot W^{-1}\). |
CODATA¶
colour.constants
AVOGADRO_CONSTANT |
Avogadro constant. |
BOLTZMANN_CONSTANT |
Boltzmann constant. |
LIGHT_SPEED |
Speed of light in vacuum. |
PLANCK_CONSTANT |
Planck constant. |
Common¶
colour.constants
DEFAULT_FLOAT_DTYPE |
alias of numpy.float64 |
EPSILON |
|
FLOATING_POINT_NUMBER_PATTERN |
str(object=’‘) -> str str(bytes_or_buffer[, encoding[, errors]]) -> str |
INTEGER_THRESHOLD |
Integer threshold value. |