solpolpy.alpha#
Functions related to constructing an alpha array for transformation.
Attributes#
Functions#
|
An alpha array oriented north. |
Module Contents#
- solpolpy.alpha.radial_north(shape)[source]#
An alpha array oriented north.
- Parameters:
shape (tuple[int, int]) – how big the array should be
- Returns:
alpha array used in calculations
- Return type:
np.ndarray
Notes
assumes solar north is up
assumes polarizer 0 is along solar north axis
creates radial polarization map
angles increase in counterclockwise direction
- solpolpy.alpha.ALPHA_FUNCTIONS#