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Re: [EnergyPlus_Support] defnitions file
1. The definitions file is a text file, use notepad or other text file editor
to create.
2. In the same folder as the weather data file, with the same base filename,
but extension .def.
3. The definitions file can be used with both standard (such as TMY2) and
custom weather data formats. Some fields only apply when using a def file with
custom format.
4. Let's say, for example, your raw weather data file is named "Fayetteville-
Arkansas-WeatherData.dat". (Note, I would use an extension that is *not* .csv
for this file to avoide accidentally overrwriting it.) Create a plain text
file named "Fayetteville-Arkansas-WeatherData.def" in the same folder,
following the examples in the Auxiliary Programs document. Open the
WeatherConvertor program, select the weather data file. Override the default
data type and select "Custom Data Format". Select epw as the output format and
run the conversion.
Mike
On 20 Apr 2006 at 17:16, kir kumar wrote:
> Dear Linda,
> The following is the reply you gave me the other day
> "Thanks, I understand better now.
>
> This CSV format is from the "real time" weather supplier and is not the same
> as EnergyPlus's CSV format. It is more like a Custom format for EnergyPlus
> and would need a def file (definitions file). These can be read about in the
> Auxiliary programs document.
>
> Possibly a better option from the "real time" supply is the IWEC format, but
> this will still have some problems in the EnergyPlus weather converter as
> there is no solar recorded, I believe, for any of the stations.
>
> Perhaps I should also address the real time data (and how it might be used) as
> it is also on the EnergyPlus website to try to avoid confusion in the
> future.
>
> Linda"
>
>
> Okay now I have gone through defnitions file.
> the following questions are going through my mind.
> 1.) If there is defnitions file, how do I write the file? Do I need to write
> it in exel or notepad?
> 2.)If at all I am sucessfull in writing defnitions file where do I store
> it?
> 3.)On Page 15 in the auxillary document"fields bellow only used in "Custom
> format processing". Is there any difference between customs file & defnitions
> file.
> I guess I am totally confused . KIndly explain me clearly the whole scenario
> of sucessfully inputting weather file of my town(fayetteville-Arkansas) into
> E+.?
> Also my masters project is completly based on E+.
> Your help is greatly appreciated
> thanks in Advance
> kiran
>
>
>
>
> ---------------------------------
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>
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>
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>
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>
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========================================================
Michael J. Witte, GARD Analytics, Inc.
EnergyPlus Testing and Support
EnergyPlus-Support@xxxxxxxx
The primary EnergyPlus web site is found at:
http://www.energyplus.gov
The group web site is:
http://groups.yahoo.com/group/EnergyPlus_Support/
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