Constants¶
CIE¶
colour.constants
Rounded maximum photopic luminous efficiency \(K_m\) value in \(lm\cdot W^{-1}\). |
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Rounded maximum scotopic luminous efficiency \(K^{\prime}_m\) value in \(lm\cdot W^{-1}\). |
CODATA¶
colour.constants
Avogadro constant. |
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Boltzmann constant. |
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Speed of light in vacuum. |
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Planck constant. |
Common¶
colour.constants
alias of |
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alias of |
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Double-precision floating-point number type, compatible with Python float and C |
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str(object='') -> str str(bytes_or_buffer[, encoding[, errors]]) -> str |
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Integer threshold value when checking if a floating point number is almost an integer. |