Use writephases for exporting to VELEST-input file, as VELEST can handle only 4-string station IDs which is already implemented in source code.

pylot/core/io/data.py

@@ -13,6 +13,7 @@ from pylot.core.io.phases import readPILOTEvent, picks_from_picksdict, \
 from pylot.core.util.errors import FormatError, OverwriteError
 from pylot.core.util.event import Event
 from pylot.core.util.utils import fnConstructor, full_range
+import pylot.core.loc.velest as velest
 
 
 class Data(object):
@@ -223,8 +224,7 @@ class Data(object):
                 self.checkEvent(event, fcheck)
                 self.setEvtData(event)
             self.get_evt_data().write(fnout + fnext, format=evtformat)
-
-        # try exporting event via ObsPy
+        # try exporting event  
         else:
             evtdata_org = self.get_evt_data()
             picks = evtdata_org.picks
@@ -296,7 +296,7 @@ class Data(object):
                                      not implemented: {1}'''.format(evtformat, e))
             if fnext == '.cnv':
                 try:
-                    evtdata_org.write(fnout + fnext, format=evtformat)
+                    velest.export(picks_copy, fnout + fnext, eventinfo=self.get_evt_data())
                 except KeyError as e:
                     raise KeyError('''{0} export format
                                      not implemented: {1}'''.format(evtformat, e))

pylot/core/io/phases.py

@@ -403,7 +403,7 @@ def reassess_pilot_event(root_dir, db_dir, event_id, out_dir=None, fn_param=None
     # evt.write(fnout_prefix + 'cnv', format='VELEST')
 
 
-def writephases(arrivals, fformat, filename, parameter, eventinfo=None):
+def writephases(arrivals, fformat, filename, parameter=None, eventinfo=None):
     """
     Function of methods to write phases to the following standard file
     formats used for locating earthquakes:
@@ -622,7 +622,11 @@ def writephases(arrivals, fformat, filename, parameter, eventinfo=None):
         fid = open("%s" % filename, 'w')
         # get informations needed in cnv-file
         # check, whether latitude is N or S and longitude is E or W
-        eventsource = eventinfo.origins[0]
+        try:
+            eventsource = eventinfo.origins[0]
+        except:
+            print("No source origin calculated yet, thus no cnv-file creation possible!")
+            return
         if eventsource['latitude'] < 0:
             cns = 'S'
         else:

pylot/core/loc/velest.py

@@ -7,7 +7,7 @@ from pylot.core.util.version import get_git_version as _getVersionString
 __version__ = _getVersionString()
 
 
-def export(picks, fnout, parameter, eventinfo):
+def export(picks, fnout, eventinfo, parameter=None):
     '''
     Take <picks> dictionary and exports picking data to a VELEST-cnv
     <phasefile> without creating an ObsPy event object.
@@ -18,11 +18,11 @@ def export(picks, fnout, parameter, eventinfo):
     :param fnout: complete path to the exporting obs file
     :type fnout: str
     
-    :param: parameter, all input information
-    :type:  object
-
     :param: eventinfo, source time needed for VELEST-cnv format
     :type:  list object
+
+    :param: parameter, all input information
+    :type:  object
     '''
     # write phases to VELEST-phase file
     writephases(picks, 'VELEST', fnout, parameter, eventinfo)