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nmxptool

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NEW!!! Current version of nmxptool is 2.0.0 (2010/10/22) NEW!!!

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Open-Source and Cross-Platform software for Nanometrics seismic data acquisition

The Nanometrics servers NaqsServer and DataServer can provide on-line access to seismic data and state-of-health information accepting TCP/IP connections and forwarding the requested data to each client program. NaqsServer collates and stores in near-real-time incoming data in ringbuffers whereas DataServer provides data of the past stored in NaqsServer ringbuffers. In order to implement the Nanometrics subscription protocols, the author developed a software consisting of a library called libnmxp and a tool called nmxptool. The library exposes a set of documented APIs which allow to communicate with the Nanometrics servers. The tool, based on libnmxp, allows to retrieve or monitor real-time data and data of the past.

nmxptool can be used in three different ways: (see also the diagram)

• stand-alone to monitor data or save retrieved data in mini-seed records
• launched as an Earthworm module to redirect data into the EW-rings
• like a Seed-Link plug-in to feed the SL-server

The main contribute, as regards other similar software, is the capability to manage Raw Stream connections by buffering and sorting all received packets, included the retransmitted ones, guaranteeing a good compromise between data continuity and low latency. Besides, nmxptool allows to retrieve Data-On-Demand with minimum delay after request. Software is open-source and released under GNU Library General Public License. It has been written in C language using the GNU Build Tools (automake, autoconf and configure script) and taking in account the cross-platform compilation aspects, in fact, it can run on almost all the Unix-like operating systems, Mac OS X, Windows and either 32-bit or 64-bit architectures.

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Downloads

Sources

• NEW!!! Current release is available from here
  nmxptool-2.0.0.tar.gz (2010/10/22)
  Please, let the author know you are using nmxptool.
  Send an e-mail to quintiliani [at] ingv [dot] it

Optional libraries

• The Mini-SEED library libmseed
  http://www.iris.edu/software/libraries/
• Earthworm distribution
  http://www.isti2.com/ew/

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Some binaries of previous versions
Warning: binary distributions are currently available only for some versions of nmxptool-1.2.x. They are linked against Pthread, libmseed-2.1.4, earthworm-v7.3 and Seedlink plugin from SeisComP 2.5.

• Solaris
  • nmxptool-1.2.4-bin-sparc-sun-solaris2.10.tar.gz
    
  • nmxptool-1.2.2-bin-i386-pc-solaris2.10.tar.gz
    (Warning: I have no more a Solaris Intel machine, the version is 1.2.2 and Earthworm 7.2)
    
• Windows
  • nmxptool-1.2.4-bin-i686-pc-mingw32.zip
    
• Mac OS X
  • nmxptool-1.2.4-bin-i386-apple-darwin8.11.1.tar.gz
    
  • nmxptool-1.2.4-bin-powerpc-apple-darwin8.11.0.tar.gz
    
• Linux
  • nmxptool-1.2.4-bin-i686-pc-linux-gnu.tar.gz
    

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Last Release Notes

Release 2.0.0 (2010/10/22): NEW!!!

• Improved saving of mini-SEED files, now data samples are saved using the whole available space within the mini-SEED records.
• Added capability, using libmseed, to choose mini-SEED record length (option -r).
• Added capability, using libmseed, to choose between steim1 and steim2 compression (option -x), and data quality indicator (option -q). (R. Racine)
• Added feature: enabled ShortTermCompletion also in Earthworm configuration. (Short-Term-Completion has been implemented in NaqsServer version 2.1)
• Added feature: within state file it is now allowed to insert white spaces, tabs, and comment string by '#'. (involved option -F)
• Changed the output list of channels from NaqsServer, in order to create automatically a state file. (involved option -L)
• Added signal handling to force to close a connection and open again without quitting the program. Only for connection in near real-time to NaqsServer. (Signal -USR1).
• Fixed some memory leaks and potential other memory bugs. (R. Racine)

Complete release notes in HISTORY

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Other

Files:
README - Information about nmxptool
HISTORY - Detailed release notes
COPYING - GNU license
HELP - Help output from command "nmxptool --help"
Earthworm configuration: Overview - Commands

Diagrams:

Click to enlarge

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Author: Matteo Quintiliani - quintiliani [at] ingv [dot] it

Copyright © 2006 (MedNet). Design by Matteo Quintiliani.