[Bldg-sim] [Radiance-general] Updated Radiance Installers Available

[Guglielmetti, Robert]

Hi German,

Yes, gendaymtx is in the HEAD, the installers in the NREL site are based on the HEAD as of Thursday of last week, I believe. And no, the GPU dctimestep is not needed for this to work (nor is that version of dctimestep in HEAD). Nope, gendaymtx works with all the standard Radiance tools. You simply need a weather file formatted the way it wants, which is the same format as a DAYSIM weather file. Andy McNeil notes that DAYSIM has a tool to convert the EnergyPlus weather file format (.epw) to the DAYSIM format. OpenStudio will be modified to automatically provide gendaymtx with the epw data in the format it expects. I noticed that gendaymtx also accepts weather data from STDIN, and that there is an option to feed it less than a full year (8760) of data. We will leverage this ability in OpenStudio for sure, as well.

Exciting times!

- Rob



Rob Guglielmetti
Commercial Buildings Research Group
National Renewable Energy Laboratory (NREL)
15013 Denver West Parkway MS: RSF202
Golden, CO 80401
303.275.4319
robert.guglielmetti at nrel.gov

-----Original Message-----
From: Germán Molina Larrain [gmolina1 at uc.cl<mailto:gmolina1 at uc.cl>]
Sent: Tuesday, February 19, 2013 12:25 PM Mountain Standard Time
To: Radiance general discussion
Cc: bldg-sim; radiance-openstudio
Subject: Re: [Radiance-general] Updated Radiance Installers Available

Good to know!

Is gendaymtx available in the HEAD version of Radiance? Is the GPU version of dctimestep needed for using that?

THANKS VERY MUCH

German

2013/2/19 Guglielmetti, Robert <Robert.Guglielmetti at nrel.gov<mailto:Robert.Guglielmetti at nrel.gov>>
Hi folks,

Just a quick note to let you all know that the Radiance installers have been updated, and are available for download at the NREL OpenStudio site. These packages include the brand new 'gendaymtx' utility that greatly speeds up the annual calculation when using the daylight coefficient tools in Radiance.

We hope to add gendaymtx into the OpenStudio tool chain and workflow in the coming weeks, but in the meantime, I'm sure Greg would appreciate any feedback from users willing to try it out on their own, especially those Windows users out there. There's a man page explaining its use, and it's pretty straightforward.

Grab yours here:

http://openstudio.nrel.gov/getting-started-developer/getting-started-radiance

Ok, bye.

-Rob Gee

Rob Guglielmetti
Commercial Buildings Research Group
National Renewable Energy Laboratory (NREL)
15013 Denver West Parkway MS: RSF202
Golden, CO 80401
303.275.4319<tel:303.275.4319>
robert.guglielmetti at nrel.gov<mailto:robert.guglielmetti at nrel.gov>
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