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Changes for page FDSN Guide

Last modified by robert on 2025/03/24 12:02
From version 3.1
edited by robert
on 2025/03/24 10:35
Change comment: There is no comment for this version
To version 2.3
edited by robert
on 2025/03/24 10:21
Change comment: There is no comment for this version

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... ... @@ -30,51 +30,21 @@
30 30  Information such as site locations, sensor and data logger types, response information, etc are in the station metadata. This can be accessed directly(link) or via the obspy get_stations (link) tool.
31 31  
32 32  
33 -== How to download event, station, instrument response ==
33 +== Sub-paragraph ==
34 34  
35 +Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
35 35  
36 -{{code language="python"}}
37 -import obspy
38 -from obspy.clients.fdsn import Client
37 +=== Sub-sub paragraph ===
39 39  
40 -# Use AusPass client for station, waveform, and earthquake information
41 -client = Client("AUSPASS")
39 +Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
42 42  
43 43  
44 -# Download station information for AUMTC station in S1 network at the response level
45 -inv = client.get_stations(network="S1", station="AUMTC", location="*",
46 - channel="*", level="response")
47 -
48 -# Inventory metadata is stored in a Inventory > Network > Station > Channel hierarchy
49 -
50 -print(inv) #inventory level
51 -
52 -print(inv[0]) # network level (the first network in the inventory)
53 -
54 -print(inv[0][0]) # station level (the first station of the first network in the inventory)
55 -
56 -print(inv[0][0][0]) # channel level (the first channel of the first station of the first network in the inventoy)
57 -
58 -# you can also select items directly
59 -
60 -print(inv.select(station='AUMTC',channel='HHZ')[0][0][0])
61 -
62 -# instrument response is attached to a channel object
63 -
64 -response = inv.select(station='AUMTC',channel='HHZ')[0][0][0].response
65 -{{/code}}
66 -
67 -
68 -
69 -
70 70  = Waveform Data =
71 71  
72 72  Waveform data (e.g. the actual seismic data) can be accessed directly (link) or via obspy's get_waveforms (link) tool. It can also be accessed via various tools such as seed-vault, pyweed, etc (add links).
73 73  
74 -== Downloading and Storing data ==
46 +== How to download waveform data ==
75 75  
76 -=== How to download waveform data ===
77 -
78 78  {{code language="python"}}
79 79  from obspy import UTCDateTime
80 80  from obspy.clients.fdsn import Client
... ... @@ -96,76 +96,9 @@
96 96  print("Downloaded and saved the MiniSEED file.")
97 97  {{/code}}
98 98  
99 -=== How to download a LOT of waveform data ===
69 +== How to remove instrument response ==
100 100  
101 101  {{code language="python"}}
102 -from obspy import UTCDateTime
103 -from obspy.clients.fdsn import Client
104 -import datetime
105 -
106 -# Initialize client and set parameters
107 -client = Client("IRIS")
108 -start_date = UTCDateTime("2023-07-01")
109 -end_date = UTCDateTime("2023-07-02")
110 -network = "S1"
111 -station = "AUMTS"
112 -channel = "BHZ"
113 -
114 -# Loop to download data one day at a time
115 -while start_date <= end_date:
116 - next_date = start_date + datetime.timedelta(days=1)
117 - try:
118 - st = client.get_waveforms(network, station, "*", channel, start_date, next_date)
119 - st.write(f"{start_date.date}.mseed", format="MSEED")
120 - except:
121 - print(f"Failed for {start_date} to {next_date}")
122 - start_date = next_date
123 -{{/code}}
124 -
125 -=== How to store and archive waveform data in SeisComP Data Structure (SDS) ===
126 -
127 -{{code language="python"}}
128 -import os
129 -from obspy import UTCDateTime, read
130 -from obspy.clients.fdsn import Client
131 -
132 -# Initialize the client
133 -client = Client("AUSPASS") # Replace with the correct client endpoint if different
134 -
135 -# Define event time and time window
136 -event_time = UTCDateTime("2021-09-21T23:15:53")
137 -starttime = event_time - 600 # 10 minutes before the event
138 -endtime = event_time + 1800 # 30 minutes after the event
139 -
140 -# Download the waveform data
141 -st = client.get_waveforms(network="S1", station="AUMTS", location="*", channel="*", starttime=starttime, endtime=endtime)
142 -
143 -# Create SDS structure: ROOT/YEAR/NET/STA/CHAN.TYPE/NET.STA.LOC.CHAN.YEAR.DAY
144 -sds_root = "." # Replace with your desired directory
145 -
146 -for tr in st:
147 - net = tr.stats.network
148 - sta = tr.stats.station
149 - loc = tr.stats.location
150 - chan = tr.stats.channel
151 - year = str(tr.stats.starttime.year)
152 - jday = str(tr.stats.starttime.julday).zfill(3)
153 -
154 - sds_path = os.path.join(sds_root, year, net, sta, f"{chan}.D", f"{net}.{sta}.{loc}.{chan}.{year}.{jday}")
155 -
156 - # Create directories if they don't exist
157 - os.makedirs(os.path.dirname(sds_path), exist_ok=True)
158 -
159 - # Save the trace as a MiniSEED file
160 - tr.write(sds_path, format="MSEED")
161 -{{/code}}
162 -
163 -==
164 -Common Data Operations ==
165 -
166 -=== How to remove instrument response ===
167 -
168 -{{code language="python"}}
169 169  from obspy import read
170 170  from obspy.core.util import AttribDict
171 171  
... ... @@ -187,7 +187,7 @@
187 187  st.write("Woodspoint_2021_corrected.mseed", format="MSEED")
188 188  {{/code}}
189 189  
190 -=== How to apply a bandpass filter ===
93 +== How to apply a bandpass filter ==
191 191  
192 192  {{code language="python"}}
193 193  from obspy import read
... ... @@ -207,7 +207,7 @@
207 207  st.write("Woodspoint_2021_filtered.mseed", format="MSEED")
208 208  {{/code}}
209 209  
210 -=== How to slice a waveform ===
113 +== How to slice a waveform ==
211 211  
212 212  {{code language="python"}}
213 213  from obspy import read, UTCDateTime, Stream # Importing Stream here
... ... @@ -229,7 +229,7 @@
229 229  sliced_st.write("Woodspoint_2021_filtered_sliced.mseed", format="MSEED")
230 230  {{/code}}
231 231  
232 -=== How to save a waveform ===
135 +== How to save a waveform ==
233 233  
234 234  {{code language="python"}}
235 235  # Save the sliced file as MiniSEED
... ... @@ -239,7 +239,7 @@
239 239  sliced_st.write("Woodspoint_2021_filtered_sliced.sac", format="SAC")
240 240  {{/code}}
241 241  
242 -=== How to convert miniSEED to SAC ===
145 +== How to convert miniseed to sac ==
243 243  
244 244  {{code language="python"}}
245 245  from obspy import read
... ... @@ -257,7 +257,6 @@
257 257  
258 258  = Earthquake Data =
259 259  
260 -Earthquake data can be accessed directly or via ObsPy's get_events code
261 261  
262 262  == How to download an Earthquake Catalog ==
263 263