sigma

Strong event parameter GUI

Description

SIGMA is a graphical user interface to compute and visualize strong motion event parameters and to store them in a database.

Configuration

etc/defaults/global.cfg
etc/defaults/sigma.cfg
etc/global.cfg
etc/sigma.cfg
~/.seiscomp3/global.cfg
~/.seiscomp3/sigma.cfg

sigma inherits global options.

fdsnwsUrl

Type: string

Configures the base URL of the FDSN web services. Provide the full URL before “event/1/query”. Default is http://localhost.

gmpe.vs30grid

Type: path

Specifies the path to a Vs30 GeoTIFF or grid file, e.g. the global_vs30.tif GeoTIFF file provided by USGS. Grid files must be in a modified Surfer6 format where dimX and dimY are integers rather than shorts. The magic first 4 bytes contain “GGBB”. The GeoTIFF reader is activated if the file extension is “.tif”.

Note

gmpe.group.$name.*n $name is a placeholder for the name to be used.

gmpe.group.$name.name

Type: string

The name of the group.

gmpe.group.$name.members

Type: list:string

The group members. Each member is a concatenation of the GMPE provider and its model name separated with a slash. E.g. “pygme/AbrahamsonEtAl2014”.

Note

gmpe.py.*n Adds configuration for Python2 GMPE processing.

gmpe.py.models

Type: list:string

The PyGMPE models available and their corresponding python filename. The format of each list entry is “modelname;filename”. If the semicolon is omitted then the item is expected to be the modelname and a file with the same name and extension .py will be searched for.

gmpe.py.basePath

Type: path

The base path for all python model implementations. Default is @CONFIGDIR@/pygmpe/.

Note

gmpe.py3.*n Adds configuration for Python3 GMPE processing.

gmpe.py3.models

Type: list:string

The Py3GMPE models available and their corresponding python filename. The format of each list entry is “modelname;filename”. If the semicolon is omitted then the item is expected to be the modelname and a file with the same name and extension .py will be searched for.

gmpe.py3.basePath

Type: path

The base path for all python model implementations. Default is @CONFIGDIR@/pygmpe/.

processing.targetDistricts

Type: list:string

A list of Shapefile paths used as target districts for GMPE/intensity computation.

processing.maximumEpicentralDistance

Type: int

Unit: km

The maximum epicentral distance in km of a station being considered for processing. This value is used if wfparam.magnitudeDistanceTable is not specified. Default is 400.

processing.firstPhaseVelocity

Type: double

Unit: km/s

The maximum epicentral distance in km of a station being considered for processing. This value is used if wfparam.magnitudeDistanceTable is not specified. Default is 8.

processing.preEventWindowLength

Type: int

Unit: s

The pre event time window length in seconds. Default is 60.

processing.postEventWindowLength

Type: string

Unit: s

Default value of time window length after the event onset in seconds. This value is an numerical expression and can include three symbols: d (distance in km), D (distance in degree) and az (azimuth clockwise from North). Default is (0.36*d)+60.

processing.eventCutOff

Type: boolean

Enables/disables pre event cut-off. A hardcoded sta/lta algorithm (with sta=0.1s, lta=2s, sta/lta threshold=1.2) is run on the time window defined by (expected_P_arrival_time - 15 s). The pre event window is hence defined as [t(sta/lta =1.2) - 15.5s, t(sta/lta =1.2) - 0.5s]. Default is true.

processing.afterShockRemoval

Type: boolean

Enables/disables aftershock removal (Figini, 2006; Paolucci et al., 2008) Default is true.

processing.durationScale

Type: double

Defines the factor applied to the signigicant duration to define the processing spetra time window. If that value is <= 0 the totalTimeWindowLength is used. Default is 1.5.

processing.STAlength

Type: double

Unit: s

Specifies the STA length in seconds of the applied STA/LTA check. Default is 1.

processing.LTAlength

Type: double

Unit: s

Specifies the LTA length in seconds of the applied STA/LTA check. Default is 60.

processing.STALTAratio

Type: double

Specifies the minimum STALTA ratio to be reached to further process a station. Default is 3.

processing.STALTAmargin

Type: double

Unit: s

Specifies the number of seconds around P to be used to check the STA/LTA ratio. Default is 5.

Note

processing.filter.*n Parameters of the 1st stage filter.

processing.filter.order

Type: int

Specifies the order of the 1st stage filter. Default is 4.

processing.filter.loFreq

Type: double

Specifies the frequency of the 1st stage hi-pass filter. If this parameter is equal to 0 the hi-pass filter is not used. If negative, then the absolute value is multiplied by the Nyquist frequency of the data to get the final corner frequency of the filter. Default is 0.025.

processing.filter.hiFreq

Type: double

Specifies the frequency of the 1st stage lo-pass filter. If this parameter is equal to 0 the lo-pass filter is not used. If negative, then the absolute value is multiplied by the Nyquist frequency of the data to get the final corner frequency of the filter. Default is 40.

processing.spectra.taperLength

Type: double

Unit: s

Defines the cosine taper length in seconds if non-causal filters are activated applied on either side of the waveform. If a negative length is given 10 percent of the pre event window length is used on either side of the waveform. Default is -1.

processing.spectra.padLength

Type: double

Unit: s

The length of the zero padding window in seconds applied on either side of the waveform. If negative, it is computed following Boore (2005) as 1.5*order/corner_freq and applied half at the beginning and half at the end of the waveform. Default is -1.

processing.prs.damping

Type: double

Unit: %

Specifies the damping value (in percent) for computation of the pseudo absolute acceleration elastic response spectrum. Default is 5.

processing.prs.periods

Type: list:double

Unit: s

Specifies the natural periods for computation of the pseudo absolute acceleration elastic response spectrum. Default is 0.3,1,3.

processing.prs.Tmin

Type: double

Unit: s

The lower bound of the period range to compute response spectra for. A negative value disables the range and only the list of periods is used. Default is -1.

processing.prs.Tmax

Type: double

Unit: s

The upper bound of the period range to compute response spectra for. A negative value disables the range and only the list of periods is used. Default is -1.

processing.prs.naturalPeriods

Type: int

The number of natural periods that are created with linear spacing between Tmin and Tmax. Default is 0.

Note

output.*n Parameters controlling the output of processing products.

output.database

Type: string

Configures the URI of the output database containing the SIGMA tables. If nothing is configured then the SC3 database will be used.

output.exportPath

Type: path

The path where all result files are saved.

output.exportScript

Type: path

The script that will be called when an incident is exported. Please ensure that the script is executable. 3 parameters are passed: The eventID, an internal eventID and the export path where all files are stored.

scheme.colors.heatmap.gradient

Type: gradient

The color gradient of the heatmap, e.g. the events heatmap.

scheme.colors.heatmap.discrete

Type: boolean

If false then colors from the heatmap gradient are interpolated between two nodes. Otherwise the color configured at the next lower value node is taken. Default is false.

scheme.colors.vs30.gradient

Type: gradient

The color gradient of the vs30 color values, e.g. the station symbols of the GMPE plot.

scheme.colors.vs30.discrete

Type: boolean

If false then colors from the vs30 color gradient are interpolated between two nodes. Otherwise the color configured at the next lower value node is taken. Default is true.

scheme.colors.sigma.intensity

Type: gradient

The intensity color gradient for ground motion values. This gradient will be used without normalization.

scheme.colors.sigma.gradient

Type: gradient

The base color gradient for ground motion values. This gradient will be scaled to the final value range unless absolute scale is enabled in sigma.

scheme.colors.sigma.discrete

Type: boolean

If false then colors from the base gradient are interpolated between two nodes. Otherwise the color configured at the next lower value node is taken. Default is false.

scheme.colors.sigma.normalize

Type: boolean

Whether to normalize the base color gradient to the current value range or not. Default is true.

scheme.map.stationSymbol

Type: string

Defines which station symbol to use. The default is a diamond shape with a single point pointing to the location of the station. An alternative shape is the triangle as used in SeisComP. Use “triangle” to switch to this style. Default is diamond.

scheme.map.stationSymbolHotspot

Type: list:double

Defines the hotspot (center) of the station symbol in relative coordinates as x,y tuple. x is increasing from left to right and y is increasing from bottom to top. This setting is not taken into account when using the diamond shape. Default is 0.5,0.

Bindings

enable

Type: boolean

Enables/disables the station for strong motion processing. Default is true.

channels

Type: list:string

Defines a list of preferred channels that are activated by default for that station. If this option is undefined then the highest sample rate channels for acceleration and velocity are used by default. If the list is empty (which is a different state than undefined) then no channels are selected by default.

Command Line

Generic

-h, --help

show help message.

-V, --version

show version information

--config-file arg

Use alternative configuration file. When this option is used the loading of all stages is disabled. Only the given configuration file is parsed and used. To use another name for the configuration create a symbolic link of the application or copy it, eg scautopick -> scautopick2.

--plugins arg

Load given plugins.

-D, --daemon

Run as daemon. This means the application will fork itself and doesn’t need to be started with &.

--auto-shutdown arg

Enable/disable self-shutdown because a master module shutdown. This only works when messaging is enabled and the master module sends a shutdown message (enabled with –start-stop-msg for the master module).

--shutdown-master-module arg

Sets the name of the master-module used for auto-shutdown. This is the application name of the module actually started. If symlinks are used then it is the name of the symlinked application.

--shutdown-master-username arg

Sets the name of the master-username of the messaging used for auto-shutdown. If “shutdown-master-module” is given as well this parameter is ignored.

Verbosity

--verbosity arg

Verbosity level [0..4]. 0:quiet, 1:error, 2:warning, 3:info, 4:debug

-v, --v

Increase verbosity level (may be repeated, eg. -vv)

-q, --quiet

Quiet mode: no logging output

--component arg

Limits the logging to a certain component. This option can be given more than once.

-s, --syslog

Use syslog logging back end. The output usually goes to /var/lib/messages.

-l, --lockfile arg

Path to lock file.

--console arg

Send log output to stdout.

--debug

Debug mode: –verbosity=4 –console=1

--log-file arg

Use alternative log file.

Database

--db-driver-list

List all supported database drivers.

-d, --database arg

The database connection string, format: service://user:pwd@host/database. “service” is the name of the database driver which can be queried with “–db-driver-list”.

--config-module arg

The configmodule to use.

--inventory-db arg

Load the inventory from the given database or file, format: [service://]location