[Equest-users] Python for pre or post-processing eQuest/DOE2 files

[Joe Huang]

I'm not aware of purpose-built editors for eQUEST, but there's been discussions on various 
bulletin boards off and on about how people pre- and post-process DOE-2 input and output 
files.

I've been using various unix programs, esp. awk, for this purpose.  What I like about awk 
are:
  (1) easy parsing of text
  (2) flexibility to interpret arguments as either characters, numbers
  (3) minimal effort to set up an script, in contrast to formal computer languages like C, 
Fortran, etc. that
        require defining variables, assigning arrays, open statements, etc., etc.

awk works well with any text file, but it may work particularly well with standard DOE-2 
output files because of their consistent format, making it possible to search for unique 
strings, and then start counting lines and pulling off variables.  I'm attaching a generic 
report.awk script (I always use the *.awk extension to tell them apart) that reads a 
standard DOE-2 output and prints out the summary results on a single line.  I then add 
this to the batch run file, so that I never look at the full DOE-2 outputs, but only at a 
file containing all the summary results.

Joe

Joe Huang
White Box Technologies, Inc.
346 Rheem Blvd., Suite 205A
Moraga CA 94556
yjhuang at whiteboxtechnologies.com
http://weather.whiteboxtechnologies.com for simulation-ready weather data
(o) (925)388-0265
(c) (510)928-2683
"building energy simulations at your fingertips"


On 9/30/2014 10:06 AM, Julien Marrec wrote:
> Hi,
>
> I'd like to start using Python for pre/post processing while using eQuest/DOE2.
>
> Right now I'm more focused on post processing such as quickly grepping some key metrics 
> in the .SIM file, calculating some more such as Window to wall ratio, or plotting 
> selected columns of the .hsr file (could be a perfect application to leverage the 
> capabilities of Panda)
>
> Indeed, I find it pretty cumbersome to do it manually when I'm doing iterations.
> (I've started looking into DOE2's VB functions you can call to interact with BIN 
> reports, but I couldn't make it work right off the bat, and I'd rather use Python anyway)
>
> If at all possible I'd like to avoid reinventing the wheel. Would people care to share 
> some scripts/snippets/resources they wrote? Or would be interested in a joint effort to 
> create some?
>
> Also, for preprocessing, is there anything such as Eppy 
> <https://pypi.python.org/pypi/eppy/0.4.6> for EnergyPlus that exists for eQuest? I 
> searched the archive of the list and done some pretty thorough internet searches, but I 
> couldn't find anything (aside from people saying you could use python to do that).
>
> Thanks for any insight,
> Julien
> --
> Julien Marrec, EBCP, BPI MFBA
> Energy&Sustainability Engineer
> T: +33 6 95 14 42 13
>
> LinkedIn (en) : www.linkedin.com/in/julienmarrec <http://www.linkedin.com/in/julienmarrec>
> LinkedIn (fr) : www.linkedin.com/in/julienmarrec/fr 
> <http://www.linkedin.com/in/julienmarrec/fr>
>
>
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