A Tour of Selected Antelope Man Pages

Top Level Introduction

• Introduction to the Antelope Environmental Monitoring Software
• set up Antelope environment variables
• ANTELOPE environment variables overview
• check for uninstalled patches from BRTT
• Abbreviated Unix Reference List

Real Time System

  Installation and setup

• Setting up a real time system
• setting up an rt processing node
• real time system user setup
• set up a simple directory structure for rtexec
• restart real time system on reboot
• setup to run an Antelope realtime demo

  Core Programs

• real time data acquisition system executive
• run a command with the rtexec environment
• orb ring buffer server

  Monitoring and Display

• Real Time System Monitor
• real-time waveform trace display
• monitor Quanterra digitizers
• monitor packets for error conditions
• orb ring buffer status information

  Real Time Data Import

• transfer data from a Quanterra digitizer to an orb
• import data from an IDA hub to a Datascope ORB
• transfer data from a Kinemetrics Altus digitizer to an orb
• receive alpha (cd1) packets and copy to an orbserver
• copy data from one orb to another

  Data Archiving

• create continuous database from orb ring buffer
• read Datascope database packets from an ORB and write to a database
• real-time tape archive program
• real-time database and disk cleaner
• eliminate old lines in a log file.

   Real Time Analysis

• multi-frequency STA/LTA detector
• real time network trigger algorithm
• spatial grid search based real-time associator/locator
• real-time magnitude computation
• parameter file trigger of a program execution
• real-time magnitude computation
• make waveform measurments from an ORB
• real-time association of events from an external catalog
• Make arrival associations and predicted arrivals

   Real Time Data Export

• copy data from one orb to another
• Antelope IDC/GSE2.1 AutoDRM Server
• move arbitrary files using an orb
• transmit cd1 packets using alpha protocol with orb as lifo
• send log files as packets into an orb

  Reports

• summarize log reports
• report some statistics on real time network performance
• create a bulletin from a database
• show data gaps for a database over a time period
• collect some snapshot data from an Antelope real time system
• collect some system related information when a program dies

Analysis Programs

   Event Location and Review

• Display seismic events and waveforms
• interactive hypocenter location
• locsat location program
• genloc location program
• spatial grid search location program
• compute a travel time grid file
• dump the contents of the ttgrid file
• waveform review, pick arrivals, and edit a CSS relational database
• compute mb magnitudes
• database Richter magnitude computation
• compute ms magnitudes

   Database Analogs of Real Time

• multi-frequency STA/LTA detector
• database network trigger algorithm
• spatial grid search based associator/locator

   Waveform import

• scan PASSCAL SEED volume and produce database
• create css database from sac headers
• convert data in PASSCAL SEGY format to CSS format
• create wfdisc table from miniseed

   Waveform display

• waveform review, arrival picking
• inspect waveform data and arrivals

   Waveform extraction and export

• extract waveform segments from a database
• create a SEED volume from a CSS 3.0 database
• convert waveforms to SAC
• convert waveforms to AH
• convert waveforms to segy disk image
• print a few samples from waveforms in a database

   Waveform manipulation

• Decimate waveform data
• array processing program
• Compute time-varying spectragram
• make power spectral density plots of noise
• Make helicorder type plot of waveform

   Database Manipulation

• explore a database schema
• database editor/viewer
• describe the format of a Datascope database
• reformat schema file as troff document
• create and edit Datascope schema files
• perform some consistency checks on a database
• copy database
• find differences between two databases

   Database Command-line Operations

• join several database tables
• find records which don't join with another table
• sort database tables
• subset database tables
• join database tables according to an expression
• unjoin database tables
• print selected fields and expressions from database
• change field in database
• add database tables
• add records to a table
• crunch out null records from a database
• mark or delete all records in a view
• completely delete a database

   Miscellaneous Utilities

• convert time formats
• print out parameters from parameter files
• utility program to exercise travel time calculators

Programming Interfaces

  Introduction

• Introduction to the Antelope Enviromental Monitoring Software Programming Interface
• Antelope Makefile format
• print prototype Antelope makefile
• generate Makefile ldlibs line

  Perl Interfaces

• perl interface to Datascope and related functions
• perl interface to orb and packet routines
• system info from perl

  Tcl/tk Interfaces

• tcl/tk package of Datascope database extensions

  c Interfaces

• Basic Utilities

  • Read parameter files
  • Get parameters from parameter space
  • manipulate associative arrays
  • manipulate lists
  • manipulate sorted lists
  • error handling routines
  • time manipulation routines
  • save and restore program state between executions
  
  

• Files and path names

  • path manipulation routines
  • find program data file under $ANTELOPE
  
  

• Datascope

  • introduction to the Datascope database library
  • add a record to table
  • add a new, null row to a table
  • delete rows from tables
  • delete databases, truncate database tables
  • database expression evaluation
  • search for matching record in table
  • free datascope memory
  • get, put plain ascii tables, records, or fields from/to a database table
  • read and write values from fields in a database table
  • group a sorted table
  • join two database tables
  • lookup indexes from ascii names
  • find matching records in second table
  • return a view composed only of records which don't join
  • open a database
  • get ancillary information about a database
  • create a sorted view
  • create a subset view
  • create new tables from a joined table
  • return lists of constituent records of views
  
  

• Orbserver connections

  • public orb ring buffer interface
  • create orb packet from Packet structure
  • separate orb packet into Packet structure
  
  

• Trace Library

  • introduction to trace manipulation routines
  • utility functions for trace calculations
  • display a trace object
  • load waveform data from CSS database into trace table
  • read trace data from file into memory
  • add error message to log for trgetwf errors
  • save trace object waveform data to new database
  • free up memory buffers and clear trace object tables
  • close a trace database and eliminate all memory used and files created
  • truncate a tr database table
  • splice together data segments
  • break up waveform records at marked bad data
  • splice together a specific set of traces from a trace table
  • subtract mean (DC) value from trace or trace segment.
  • compute derivative of trace data
  • integrate waveform segments
  
  

• Geophysical functions

  • general purpose interface to travel time and slowness routines
  • manipulate response files
  • distance, azimuth and location calculations on a sphere