[EnergyPlus_Support] Re: Weather data : convert csv into epw

["vincent.priori" <vincent.priori@xxxxxxxxxx>]

Thanks for your answer.

But how can I generate a full epw file with "only" :
    - Dry bulb temperature
    - Humidity ratio (%) ;
    - wind, speed and direction ;
    - rainfall ;
    - and direct, diffuse and global radiation.

Do I have to take a close site already existing (if it is...) in epw format and copy data like "DifHorzIllum {lux}", "ground temperature" or "Atmos Pressure {Pa}" for exemple ?
Or the software will extrapolate them for me ?

However, How can I create a def file, the Auxiliary Programs documentation is brief and not really clear about it for me.

Thanks again.
Have a nice afternoon

Vincent



--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, "Crawley, Drury" <Drury.Crawley@...> wrote:
>
> This CSV format is documented in the Auxiliary Programs documentation. But it may be easier to create a .def file that tells the weather processor what the format of your original data are.  To see what the CSV looks like, use the weather processor to convert one of the existing EPWs.
>  
> ------Original Message------
> From: vincent.priori
> To: EnergyPlus_Support
> ReplyTo: EnergyPlus_Support
> Sent: Mar 16, 2009 10:24 AM
> Subject: [EnergyPlus_Support] Weather data : convert csv into epw
> 
> Hello,
> 
> I'm trying for two days to convert hourly weather data from csv to epw (for Basse Terre, Guadeloupe, West Indies).
> 
> I used for month the "Weather Manager" from Ecotect and now I realized that he had a problem converting solar radiation data and I no more confident with this software.
> 
> So I tried to use the "Weather" soft delivered with E+. 
> What is the csv format expected ?
> 
> I found this :
> " Note on the input CSV format : it is the epw csv format. The CSV format must mirror the output CSV format very closely. The processor espects a location header records and the headers for the data fiels as a minimum"
> 
> What does it mean ?
> I took headers for the epw file and it don't work.
> Does I have to take the headers from the*.rdd file ? 
> Which values are essentials to create a full epw file ?
> 
> Can I have an csv example file to help me understand ?
> How can I create my epw file ?
> 
> I can send my csv file if it can help.
> 
> I precise that I'm really familiar with this kind of problem : that's in Wh/m² and not in J/cm², real csv with "," and no ";", etc....
> 
> Thanks a lot
> Have a nice day
> 
> Vincent Priori 
> 
> 
> Messages in this topic <http://groups.yahoo.com/group/EnergyPlus_Support/message/13160;_ylc=X3oDMTM2cTJ0cmFnBF9TAzk3MzU5NzE0BGdycElkAzMzODc0ODgEZ3Jwc3BJZAMxNzA1MDA3Mzg5BG1zZ0lkAzEzMTYwBHNlYwNmdHIEc2xrA3Z0cGMEc3RpbWUDMTIzNzIxMzQ4MQR0cGNJZAMxMzE2MA--> (1) Reply (via web post) <http://groups.yahoo.com/group/EnergyPlus_Support/post;_ylc=X3oDMTJxOXVubnBtBF9TAzk3MzU5NzE0BGdycElkAzMzODc0ODgEZ3Jwc3BJZAMxNzA1MDA3Mzg5BG1zZ0lkAzEzMTYwBHNlYwNmdHIEc2xrA3JwbHkEc3RpbWUDMTIzNzIxMzQ4MQ--?act=reply&messageNum=13160>
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> ------Original Message Truncated------
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