the check if the input array is nan, now don't ends in an exception raise, but in a Zero-attenuation array in the output in the next version i will check if it is better to return a nan array for attenuation
the check if the input array is nan, now don't ends in an exception raise, but in a Zero-attenuation array in the output
in the next version i will check if it is better to return a nan array for attenuation

wradlib/wradlib,kmuehlbauer/wradlib,wradlib/wradlib,heistermann/wradlib,kmuehlbauer/wradlib,heistermann/wradlib