Merge branch 'develop' of https://git.geophysik.ruhr-uni-bochum.de/marcel/pylot into develop

pylot/core/analysis/magnitude.py

@@ -400,30 +400,28 @@ class MomentMagnitude(Magnitude):
                 print("WARNING: No instrument corrected data available,"
                       " no magnitude calculation possible! Go on.")
                 continue
+            wf = self.stream.select(station=station)
+            if not wf:
+                continue
             try:
-                scopy = self.stream.copy()
+               scopy = wf.copy()
             except AssertionError:
                 print("WARNING: Something's wrong with the data,"
                       "station {},"
                       "no calculation of moment magnitude possible! Go on.".format(station))
                 continue
-            wf = scopy.select(station=station)
-            if not wf:
-                continue
             onset = pick.time
             distance = degrees2kilometers(a.distance)
             azimuth = a.azimuth
             incidence = a.takeoff_angle
-            w0, fc = calcsourcespec(wf, onset, self.p_velocity, distance,
+            w0, fc = calcsourcespec(scopy, onset, self.p_velocity, distance,
                                     azimuth, incidence, self.p_attenuation,
                                     self.plot_flag, self.verbose)
             if w0 is None or fc is None:
                 if self.verbose:
                     print("WARNING: insufficient frequency information")
                 continue
-            WF = select_for_phase(self.stream.select(
-                station=station), a.phase)
-            WF = select_for_phase(WF, "P")
+            WF = select_for_phase(scopy, "P")
             m0, mw = calcMoMw(WF, w0, self.rock_density, self.p_velocity,
                               distance, self.verbose)
             self.moment_props = (station, dict(w0=w0, fc=fc, Mo=m0))

pylot/core/pick/utils.py

@@ -7,6 +7,7 @@
 
    :author: Ludger Kueperkoch, BESTEC GmbH
 """
+
 import warnings
 import matplotlib.pyplot as plt
 import numpy as np
@@ -595,6 +596,8 @@ def select_for_phase(st, phase):
         alter_comp = compclass.getCompPosition(comp)
         alter_comp = str(alter_comp[0])
         sel_st += st.select(component=comp)
+        if len(sel_st) < 1:
+            sel_st += st.select(component="Q")
         sel_st += st.select(component=alter_comp)
     elif phase.upper() == 'S':
         comps = 'NE'