colour_hdri.weighting_function_Debevec1997¶

colour_hdri.weighting_function_Debevec1997(a, domain_l=0.01, domain_h=0.99)[source]¶

Returns given array weighted by Debevec (1997) function.

Parameters:	a (array_like) – Array to apply the weighting function onto. domain_l (numeric, optional) – Domain lowest possible value, values less than `domain_l` will be set to zero. domain_h (numeric, optional) – Domain highest possible value, values greater than `domain_h` will be set to zero.
Returns:	Weighted array.
Return type:	ndarray

References

[DM97]

Examples

>>> weighting_function_Debevec1997(np.linspace(0, 1, 10))
array([ 0.        ,  0.23273657,  0.48849105,  0.74424552,  1.        ,
        1.        ,  0.74424552,  0.48849105,  0.23273657,  0.        ])