Thank you David, Andy...thanks for having replied to my question. I'll start from the information that you provided me and I'll come back to the forum if necessary.
Have a nice day! Chantal. 2014-02-24 18:45 GMT+01:00 Andrew McNeil <[email protected]>: > If you can define the tregenza angle basis using the Window xml format > (which I think you can) then you can import your BSDF into Window without > modifications. When you combine it with other glazing layers, window will > use your defined basis and export a BSDF with data for the "custom" angle > basis (but it annoyingly gives the same Klems definition in the angle basis > definition tags). > > However I don't think energy plus can use anything other than the klems > basis so you're still stuck. > > Andy > > > > On Mon, Feb 24, 2014 at 8:27 AM, Germán <[email protected]> wrote: > >> There is some file in the source code that allows defining new basis... >> But, do you think it is advisable to build a Klems BTDF matrix from a >> Tregenza BTDF? A lot of information was probably lost in the "angle >> averaging"... Right? >> >> El 24-02-2014, a las 12:53, David Geisler-Moroder < >> [email protected]> escribió: >> >> Hi Chantal, >> >> I'm not completely sure about that, but if I remember right, you can use >> the bsdf2klems routine for your problem. Therefore you need to properly >> specify you angle basis (i.e. the Tregenza resolution) in you input >> XML-file. If I do not completely mix up things, the BSDF routines in >> Radiance are able to load any user-defined angle basis (as long as it is >> well-defined). Maybe Greg can confirm my assumption... >> >> Cheers, >> David >> >> >> 2014-02-24 13:32 GMT+01:00 minchaca <[email protected]>: >> >>> @German >>> Thanks a lot again, I'm gonna check that paper ...and don't worry , no >>> 'spanglish-spelling-disaster' detected ... everything was clear! :) >>> >>> >>> @Lars, do you mean David Geisler-Moroder? >>> The data is from the gonio-photometer that we have in the lab, is based >>> on Tregenza's subdivision of the sky.. it seems >>> that the 'quiz/utopy' would be to translate tregenza to klems basis. >>> Anyway...I'll try to find the presentation that you are mentioning.. :) >>> >>> >>> Thanks to both, so kind of you! :)) >>> >>> Chantal. >>> >>> >>> 2014-02-24 2:25 GMT+01:00 Germán Molina Larrain <[email protected]>: >>> >>> Chantal, >>>> >>>> I understand WINDOW does not support Tregenza basis. However, I guess >>>> that if you have the "raw data" obtained from the photogoniometer, you >>>> could mannage to use Radiance's bsdf2klems program (probably not available >>>> in the NREL's binaries). >>>> >>>> Another option might be to perform the Klems matrix calculation in >>>> Matlab or something like that, and write the BSDF IDF file yourself. The >>>> procedure, I understand, is Very explained in detailed in two papers named >>>> "A new method for calculating solar heat gains" by J. Klems. >>>> >>>> None of these options is straightforward... They might end up being >>>> quite hard, actually. >>>> >>>> Good Luck! >>>> >>>> Germán >>>> >>>> Ps: I am answering from my phone, which is in spanish, so the >>>> "autocorrect" might have caused some gramatical and spelling disasters... >>>> Sorry for that >>>> >>>> >>>> 2014-02-23 20:38 GMT-03:00 Lars O. Grobe <[email protected]>: >>>> >>>> Hi. >>>>> >>>>> >> May I ask you one more thing (even if I kind of 'feel' what is >>>>> gonna be the answer) : >>>>> >> what about if the xml file was generated by a photogoniometer, >>>>> based in Tregenza's subdivision of the sky? >>>>> >> >>>>> >> Do you know if there is a way to import such file in Window? >>>>> >>>>> David presented examples step by step where he imported data into >>>>> Window6. Check recent workshop presentations please. However you would >>>>> need >>>>> 145x145 BSDF values according to the Klems subdivisions for following the >>>>> method. Is your data measured or from genBSDF? >>>>> >>>>> Cheers, >>>>> Lars. >>>>> _______________________________________________ >>>>> Radiance-openstudio mailing list >>>>> [email protected] >>>>> http://www.radiance-online.org/mailman/listinfo/radiance-openstudio >>>>> >>>> >>>> >>>> _______________________________________________ >>>> Radiance-openstudio mailing list >>>> [email protected] >>>> http://www.radiance-online.org/mailman/listinfo/radiance-openstudio >>>> >>>> >>> >>> _______________________________________________ >>> Radiance-openstudio mailing list >>> [email protected] >>> http://www.radiance-online.org/mailman/listinfo/radiance-openstudio >>> >>> >> >> >> -- >> Dipl.-Ing. Dr. David Geisler-Moroder >> Hofwaldweg 14/20 >> 6020 Innsbruck >> Austria >> >> _______________________________________________ >> Radiance-openstudio mailing list >> [email protected] >> http://www.radiance-online.org/mailman/listinfo/radiance-openstudio >> >> >> _______________________________________________ >> Radiance-openstudio mailing list >> [email protected] >> http://www.radiance-online.org/mailman/listinfo/radiance-openstudio >> >> > > _______________________________________________ > Radiance-openstudio mailing list > [email protected] > http://www.radiance-online.org/mailman/listinfo/radiance-openstudio > >
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