Fix modis_srf problem: shape was reversed!

intercal/modis.py

@@ -131,7 +131,7 @@ def read_modis_srfs():
     nu_end = sd.select('end_frequency')[:]
 
     for band, nu_begin, nu_end in zip(band, nu_begin, nu_end):
-        F = sd.select('channel_%s_response' % band)[:]
+        F = sd.select('channel_%s_response' % band)[:][::-1]
         lambda_ = wn2wl(np.linspace(nu_begin, nu_end, len(F)))[::-1]
         srfs[band] = WavelengthSrf(lambda_, F)
     sd.end()