wiki:HowTo/Arclink2Sh

Using arclink data for SH's inventory

Using the script fetch_build_inventory.py (download) you can transfer the meta data information from arclink into the Seismic Handler's inventory. This script is located in recent installation in the directory $SH_UTIL/inventory.

Prerequisites

The script uses  ObsPy. Please make sure that you have obspy.core and obspy.arclink installed.

Usage

Information is saved into STATINF.DAT, sensitivities.txt and filter_lookup.txt in /tmp/. You should check these files before you append the content to your regular input data in $SH_INPUTS. Then copy the transfer function files into $SH_FILTERS and start the creation of the simulation filters (see also simulation filters how-to).

Here's an example for GR.GRA1:

$ python fetch_build_inventory.py

========================================================================
 Arclink Seismic Handler inventory tool
======================================================================== 

Your e-mail address for arclink query: walther@szgrf.bgr.de

Please enter the network and station code. It may contain wildcards,
e.g. 'EI.* for the whole irish network or 'GR.GRA1' for Graefenberg A1.
Enter code: GR.GRA1
Fetched data for 1 stations.
Fetched data for 9 channels.

Saving station information to /tmp/STATINF.DAT...
 GR.GRA1
Saving sensitivity information to /tmp/sensitivities.txt...
 GR.GRA1..HHN
 GR.GRA1..LHN
 GR.GRA1..HHE
 GR.GRA1..BHZ
 GR.GRA1..LHE
 GR.GRA1..LHZ
 GR.GRA1..BHE
 GR.GRA1..HHZ
 GR.GRA1..BHN
Saving filter information to /tmp/filter_lookup.txt...
 GR.GRA1..HHN
 GR.GRA1..LHN
 GR.GRA1..HHE
 GR.GRA1..BHZ
 GR.GRA1..LHE
 GR.GRA1..LHZ
 GR.GRA1..BHE
 GR.GRA1..HHZ
 GR.GRA1..BHN

Now check the files in /tmp/. Afterwards append the information to
the corresponding files in $SH_INPUTS. Alternatively configure
additional input locations. Copy the transfer function files to
$SH_FILTER.

In order to create simulation filters (e.g. WWSSN-SP), run the
following commands:

 $SH_UTIL/prep_simfilters.csh 3D842A
 $SH_UTIL/prep_simfilters.csh E6D9F0
 $SH_UTIL/prep_simfilters.csh 3C01AF

You can also pass your email address and station code on command-line:

$ python fetch_build_inventory.py walther@szgrf.bgr.de gr.wet

You can fetch information for a whole network using wildcards like 'EI.*' (irish network).

Notes

  1. The script tries to create a minimum number of transfer functions.
  2. The names of the transfer functions are random generated but not necessarily unique. If you use this script several times, please check for conflicts before copying into $SH_FILTERS
  3. The script doesn't make use of wildcard options available in sensitivities.txt and filter_lookup.txt (e.g. GRA1-BH-?). So every channel is represented by one configuration line.
  4. Please enter a valid email address for arclink access to allow the data centers to monitor and improve their service.