PPSD: Values
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EN
This section of the PPSD WebService extracts the numerical values of the PSD, the histogram or the spectrogram for a defined data source and time period.
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Documentation
Examples
Usage
/value? (channel-options) (date-range-options) [image-options] [plot-options] [nodata=404]
where :
channel-options :: (network=<network>) (station=<station>) (location=<location>) (channel=<channel>)
date-range-options :: (starttime=<date>) (endtime=<date>)
output-options :: (type=<psd|histogram|spectrogram>) (format=<csv|json|npz>) [nodata=<>]
data-options :: [xmin=<>] [xmax=<>] [ymin=<>] [ymax=<>] [zmin=<>] [zmax=<>]
(..) mandatory
[..] optional
Parameters
Data source selection
| Parameter |
Alias |
Exemple |
Description |
| network |
net |
FR |
Seismic network code. Accepts wildcards and lists. |
| station |
sta |
CIEL |
Station code. Accepts wildcards and lists. |
| location |
loc |
00 |
Location code. Use loc=-- for empty location codes. Accepts wildcards and lists. |
| channel |
cha |
HHZ |
Channel code. Accepts wildcards and lists. |
Wildcards and lists
- Wildcards: the question mark ? represents any single character, while the asterisk * represents zero or more characters.
- List: multiple items may be retrieved using a comma-separated list. Wildcards may be included in the list.
For example, with channel codes: channel=EH?,BHZ
Time period selection
| Parameter |
Alias |
Exemple |
Description |
| starttime |
start |
2010-01-10T00:00:00 |
Selects power spectral densities from the specified time inclusive. |
| endtime |
end |
2011-02-11T01:00:00 |
Selects power spectral densities before the specified time inclusive. |
Date and time formats
YYYY-MM-DDThh:mm:ss[.ssssss] ex. 1997-01-31T12:04:32.123
YYYY-MM-DD ex. 1997-01-31 (a time of 00:00:00 is assumed)
currentutcday (today at 00:00:00)
with :
YYYY :: four digits of the year
MM :: two digits of the month (01=January, etc.)
DD :: two digits of the day of the month (01 to 31)
T :: date-time separator
hh :: two digits of the hour (00 to 23)
mm :: two digits of minutes (00 to 59)
ss :: two digits of the seconds (00 to 59)
ssssss :: one to six digits of microseconds in decimal base (0 to 999999)
Output format
| Parameter |
Alias |
Default |
Description |
| type |
|
psd |
Type of values: psd, histogram, spectrogram |
| format |
|
csv |
Output format: CSV, JSON, NPZ (only for PSD) |
Options
| Parameter |
Alias |
Default |
Description |
| format |
|
npz |
File output format: NPZ, CSV, JSON |
| nodata |
|
204 |
Return code in case of missing data |
| period_min |
xmin |
|
Minimum limit of values to be represented on the X axis |
| period_max |
xmax |
|
Maximum limit of the values to be represented on the X axis |
| power_min |
ymin |
|
Minimum limit of values to be represented on the Y axis |
| power_max |
ymax |
|
Maximum limit of the values to be represented on the Y axis |
| percentage_min |
zmin |
|
Minimum limit of values to be represented on the Z axis |
| percentage_max |
zmax |
|
Maximum limit of the values to be represented on the Z axis |
