Wratten Filters wratten_filters Spectral data on the Kodak Wratten filters. Functions: cleanup – Process and clean up Wratten filter data. Attributes: WRATTEN – The Kodak Wratten filters. WRATTEN module-attribute WRATTEN = {x: cleanup(y) for x, y in WRATTEN.items()} The Kodak Wratten filters. cleanup cleanup(curve) Process and clean up Wratten filter data. Data Reference