[teqc] helpful tip of week

Ole Bjerregaard Hansen obh at space.dtu.dk
Thu Apr 28 16:14:06 MDT 2016


Hi Lou

I find this tip very useful, and I will definitely start using the '-config' option.
More hints are most welcome :-)

Thanks
Ole

-----Original Message-----
From: teqc [mailto:teqc-bounces at postal.unavco.org] On Behalf Of Lou Estey
Sent: 28. april 2016 22:04
To: teqc at unavco.org
Subject: [teqc] helpful tip of week

hi everyone,

I've been meaning to try to send out a helpful tip using teqc every once in a while,
so today is the (long-overdue) trial run. :)

Users gradually discover that they need several teqc options set to do exactly what they
want to do all of the time. Including all these options in a typed command or even
in a script all the time can get somewhat onerous.

There is, however, a fairly straightforward solution that has been part of teqc's
design since the beginning over 20 years ago: put all of the needed options into a file.
The easiest strategy to read is to have one option per line in the file, but strictly
speaking this is not required. You can even begin any line with a '#' character (just
like in normal scripts) to treat that line like a comment.

Then to use this file, which is called a teqc configuration file, use just the
'-config' option followed by the name of your special teqc configuration file.

You can even override many options in your teqc configuration file with the same option
with a different argument or setting on the command line. For example, you might
have a teqc configuration file with '-O.obs' followed by the desired observables that
you want in the desired output. But even using this config file, you can override
the file's -O.obs setting by using '-O.obs' with a different observable list
on the command line (either before or after '-config' and the name of your teqc
config file on the command line).

In fact, here at UNAVCO, we have a unique teqc configuration file for every equipment
configuration for every permanent station for which we archive GPS/GNSS data.
(We currently have and keep over 20000 of them.)

For more on teqc configuration files and using options, see more at
http://www.unavco.org/software/data-processing/teqc/tutorial/tutorial.html#sec_09
   Using teqc for RINEX Header Editing & Extraction;
   Introduction to Configuration Options and Files and the teqc Option Hierarchy
and
http://www.unavco.org/software/data-processing/teqc/tutorial/tutorial.html#sec_10
   Configuration Options and Command Line Options; What's the Difference?

... and if you discover any errors, please let me know.

Note: One thing that you cannot yet override if it is specified in a teqc config
file is the format of the target file(s) to be read.  For example, if in your teqc
config file you have '-tr d' to specify that the target file(s) are Trimble .dat/.tgd
format, you cannot (yet) override this with a different format specification, like
'-tr s' or '-leica lb2' or '-septentrio sbf'.  Maybe in the next release ...

cheers,
--lou

p.s. If this was helpful and you would like to see more "helpful tips", let me know.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Louis H. Estey, Ph.D.              office:  [+001] 303-381-7456
UNAVCO, 6350 Nautilus Drive           FAX:  [+001] 303-381-7451
Boulder, CO  80301-5554            e-mail:  lou  unavco.org
      WWW:  http://www.unavco.org   http://jules.unavco.org

"If the universe is the answer, what is the question?"
                                                -- Leon Lederman
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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