colour.utilities.as_float_array#

colour.utilities.as_float_array(a: NumberOrArrayLike, dtype: Optional[Type[DTypeFloating]] = None) ndarray[source]#

Convert given variable \(a\) to numpy.ndarray using given numpy.dtype.

Parameters:
  • a (NumberOrArrayLike) – Variable to convert.

  • dtype (Optional[Type[DTypeFloating]]) – numpy.dtype to use for conversion, default to the numpy.dtype defined by the colour.constant.DEFAULT_FLOAT_DTYPE attribute.

Returns:

Variable \(a\) converted to numpy.ndarray.

Return type:

numpy.ndarray

Examples

>>> as_float_array([1, 2, 3])
array([ 1.,  2.,  3.])