[Radiance-general] Radiance-general -- LEED v4 calcs (Liam Buckley)
Mudit Saxena
muditsaxena at gmail.com
Wed Jun 25 19:17:58 PDT 2014
Hi Liam,
If IES-VE does not move blinds based on solar penetration (2% criteria) as
described in LM-83, then the sDA results will incorrect. To get the LEED
credit you need to use the method prescribed in LM-83 and that means you
need to have blinds/shades that are not "static"
Regards,
Mudit Saxena
On Thu, Jun 19, 2014 at 10:40 AM, <
radiance-general-request at radiance-online.org> wrote:
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> Today's Topics:
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> 1. Re: Radiance-general -- LEED v4 calcs (Liam Buckley)
> 2. Re: Radiance-general Digest, Vol 124, Issue 7
> (Mar?a Beatriz Piderit)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Wed, 18 Jun 2014 19:50:51 +0000
> From: Liam Buckley <liam.buckley at iesve.com>
> To: "radiance-general at radiance-online.org"
> <radiance-general at radiance-online.org>, "tim.v2.0 at gmail.com"
> <tim.v2.0 at gmail.com>
> Subject: Re: [Radiance-general] Radiance-general -- LEED v4 calcs
> Message-ID:
> <ADC6306232D7184B90EE75DA855087FA18FF1E1D at GL-EXC-01.iesve.com>
> Content-Type: text/plain; charset="us-ascii"
>
> Hi Tim
>
> Static; meaning not moving at varying hourly intervals. The blinds (as
> components) are set at wherever you put them; be it always up, always down
> or always somewhere in between.
>
> If you want to see more, please join the web-demo, see the info previously
> provided.
>
> Thanks
> Liam
>
> ------------------------------
>
> Message: 2
> Date: Wed, 18 Jun 2014 09:25:54 -0700
> From: Tim Perry <tim.v2.0 at gmail.com>
> To: Radiance general discussion <radiance-general at radiance-online.org>
> Subject: Re: [Radiance-general] Radiance-general -- LEED v4 calcs
> Message-ID:
> <CAFVgASX=
> VO38hgxCwkVp_phVEY12xNgfMdFGxRuCuqUP0vxWHA at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Liam,
>
> what does static blinds mean? The blinds are always down?
>
> Thanks,
> Tim
>
>
> On Tue, Jun 17, 2014 at 8:14 AM, Liam Buckley <liam.buckley at iesve.com>
> wrote:
>
> > Hi Jill -
> > IES-VE does Spatial Daylight Autonomy and Annual Sunlight Exposure per
> > IES LM 83.
> > Please note that the current version assumes static blinds in the
> > daylight simulation for this v4 credit.
> >
> > Feel free to join our next web-demo:
> > http://www.iesve.com/software/web-demo
> >
> > Thanks,
> > Liam
> >
> > Liam Buckley
> > Project Manager / Business Development
> > T: +1 617 426 1890
> > C: +1 617 840 6101
> > liam.buckley at iesve.com
> > http://www.iesve.com
> > **Design, Simulate + Innovate with the <Virtual Environment>**
> > Integrated Environmental Solutions Limited.
> > Registered Office - 19th Floor, 101 Federal Street, Boston, MA 02110,
> > U.S.A.
> > Email Disclaimer
> >
> >
> >
> > ----------------------------------------------------------------------
> >
> > Message: 1
> > Date: Mon, 16 Jun 2014 10:02:30 -0600
> > From: "Guglielmetti, Robert" <Robert.Guglielmetti at nrel.gov>
> > To: Radiance general discussion <radiance-general at radiance-online.org>
> > Subject: Re: [Radiance-general] LEED v4 calcs
> > Message-ID: <CFC48C1D.8A0F%robert.guglielmetti at nrel.gov>
> > Content-Type: text/plain; charset="windows-1252"
> >
> > Hi Jill,
> >
> > Yes, you want to talk to Rick Mistrick about this; "DAYSIM-PS" is
> > being developed to (among other things) calculate the daylight metrics
> > sDA and ASE as per LM-83. Also check in with Kevin Van Den Wymelenberg
> > at IDL-Boise (http://www.idlboise.com/), as those guys developed a
> > Python script a while back that would also do the calculations.
> >
> > - Rob
> >
> >
> > On 6/12/14, 3:43 PM, "Sandy Houck" <shouck at brummitt.com<mailto:
> > shouck at brummitt.com>> wrote:
> >
> > Hi Jill,
> >
> > I inquired about this to the Diva folks and they said that the
> > recently released DAYSIM-PS does. That version is not yet bundled
> > into Diva and I have not checked into it further at this point.
> >
> > That?s all I know but hopefully we will get some more responses here
> > with encouraging news!
> >
> > Regards,
> >
> > Sandy Houck LEED AP BD+C, LC
> > Brummitt Energy Associates, Inc.
> > 619-531-1126
> >
> > From: Jill Dalglish [mailto:jill at dalglishdaylighting.com]
> > Sent: Thursday, June 12, 2014 6:34 AM
> > To: radiance-general
> > Subject: [Radiance-general] LEED v4 calcs
> >
> > Hello Everyone,
> >
> > Does anyone know of a software that can calculate the LEED v4 Daylight
> > credit requirements for Option 1. Simulation? It requires Spatial
> > Daylight Autonomy and Annual Sunlight Exposure per IES LM 83.
> >
> > Thanks,
> > Jill
> > --
> >
> > Jill Dalglish, PE, LEED AP BD+C
> > [cid:image001.gif at 01CF863B.E3F217C0]
> > S/W/DBE Certified Business
> > www.dalglishdaylighting.com<http://www.dalglishdaylighting.com/>
> > 303-955-4945
> > -------------- next part --------------
>
>
>
>
> ------------------------------
>
> Message: 2
> Date: Thu, 19 Jun 2014 13:41:36 -0400
> From: Mar?a Beatriz Piderit <mpiderit at ubiobio.cl>
> To: radiance-general at radiance-online.org
> Subject: Re: [Radiance-general] Radiance-general Digest, Vol 124,
> Issue 7
> Message-ID: <ACE52A0E-B12E-48EC-B02B-35E44325C49C at ubiobio.cl>
> Content-Type: text/plain; charset="windows-1252"
>
> Dear Thomas:
>
> First of all, thank you very much for your suggestions.
>
> I would like to ask you for counselling regarding a problem I am
> experiencing with the rendering process. I have built my Sketch up model,
> and I exported it to radiance(using the su2rad_1.0_alpha version) and I?m
> in the rendering stage (rpict). The problem is that the window frame
> elements are not visualizing well: they appear undefined and missing some
> parts (as shown in the link below).
>
> https://www.dropbox.com/sh/lwvi9f35e0r33pv/AACqWAvwn0Wx7ybWb1OVno78a
>
> I used 2 types of Radiance parameters, first I used the very accurate
> parameter, and since this didn?t seem to improve the image I increased
> these parameters, but this problem continues to happen.
>
> I don?t know if maybe I?m doing something wrong with the su2rad geometry
> exporting process because I have done this from Ecotect to Radiance before
> and I haven?t had this issue.
> I?m sending you the link to the folders that contain these files so you
> can give me your opinion and hopefully help me to solve this.
>
> Again, thank you for your time.
>
> M. Beatriz Piderit M.
> Arquitecta UBB, MA, PhD UC Louvain
>
> Departamento Dise?o y Teor?a de la Arquitectura
> Universidad del Bio-Bio Concepci?n, Chile
>
>
>
> El 10-06-2014, a las 15:00, radiance-general-request at radiance-online.org
> escribi?:
>
> > Send Radiance-general mailing list submissions to
> > radiance-general at radiance-online.org
> >
> > To subscribe or unsubscribe via the World Wide Web, visit
> > http://www.radiance-online.org/mailman/listinfo/radiance-general
> > or, via email, send a message with subject or body 'help' to
> > radiance-general-request at radiance-online.org
> >
> > You can reach the person managing the list at
> > radiance-general-owner at radiance-online.org
> >
> > When replying, please edit your Subject line so it is more specific
> > than "Re: Contents of Radiance-general digest..."
> >
> >
> > Today's Topics:
> >
> > 1. Re: su2rad update for SketchUp 2014 (Thomas Bleicher)
> > 2. Re: su2rad update for SketchUp 2014 (Thomas Bleicher)
> >
> >
> > ----------------------------------------------------------------------
> >
> > Message: 1
> > Date: Tue, 10 Jun 2014 13:20:25 -0500
> > From: Thomas Bleicher <tbleicher at gmail.com>
> > To: Radiance general discussion <radiance-general at radiance-online.org>
> > Subject: Re: [Radiance-general] su2rad update for SketchUp 2014
> > Message-ID:
> > <CAKGV-k31-OhaepOA_GXXZ7+2FRFeVLVo5Y=
> ANP1xmgvxWNcVMQ at mail.gmail.com>
> > Content-Type: text/plain; charset="utf-8"
> >
> > Hi Maria
> >
> > Thanks for giving su2rad a try. I have recently updated the installer
> > package and it's now available as a SketchUp extension as well. It's not
> > available in the Extension Warehouse yet but you can download it here:
> >
> > https://www.dropbox.com/s/pewocv4df0i2i05/su2rad_2014.0.0.rbz
> >
> > I think that all the features that you require are already in the "alpha"
> > release although they are not fully tested. Now to your questions:
> >
> > 1) *By layer vs. by color vs. by group*: The "by layer" mode is useful
> for
> > models that have been imported from a CAD application and have the
> elements
> > separated by layers. You don't need to reorganize your model to separate
> > the model components like floors and walls etc. "By color" separates the
> > elements based on their SketchUp color or material. You would use this
> for
> > models created in SketchUp to separate the building elements for Radiance
> > to study for example different wall reflectivity values. Finally the "by
> > group" option keeps the SketchUp scene structure with groups and
> components
> > and translates it to nested *.rad files. This is the most efficient way
> to
> > export complex scenes that have many detailed components like chairs or
> > other furniture. The simplest option is probably "by color".
> >
> > 2) You can create a single file by passing the scene *.rad file that is
> > created for a scene through xform:
> >
> > xform scene_1.rad > scene_1_expanded.rad
> >
> >
> > Xform reads all the referenced files and combines their content into a
> > single file, including any optional transformations.
> >
> > 3) To create an analysis grid you have to create a layer called
> "numeric".
> > Then create a polygon on this layer to represent your work plane (for
> > example copy the floor to the work plane height, then "shrink" the
> boundary
> > with the offset tool and delete the outer ring). Create a group for this
> > polygon (or more than one) and give it a name. That's the name the *.pts
> > file will get. During the export this polygon will be exported to a *.pts
> > file with points in the global coordinate system (i.e. suitable to use in
> > Radiance). The grid spacing is fixed to 0.25m in x an y and the direction
> > of the ray is fixed to (0,0,1).
> >
> > 4) I don't know how you could "optimize" the results. You can optimize
> the
> > rendering time but that depends largely on your scene and the purpose of
> > your calculations. You can ask on the Radiance mailing list for
> > optimization tips. Please provide details about your scene and your
> render
> > settings. In terms of modeling you should avoid large differences in
> scale.
> > If you are modeling an entire building don't go into too much detail,
> just
> > make holes for the windows and a rough shape for the window frames, but
> > nothing too sophisticated. A simple rectangular section will do. Also try
> > to model a clean and well structured SketchUp model. It's good to model
> the
> > interior walls of a room separate from the exterior to avoid any issues
> > with interpolation. To avoid issues with surface materials I would group
> > elements with the same material together and apply the color to the group
> > and not an individual polygon. That will avoid problems where surfaces
> can
> > have different front and back materials. Radiance can only use one.
> >
> > In general the exporter does not care about the quality of the model. It
> > will take whatever there is in SU and export it to Radiance as accurate
> as
> > possible.
> >
> > Regards,
> > Thomas
> >
> >
> >
> >
> >
> >
> >
> > On Tue, Jun 10, 2014 at 9:50 AM, Mar?a Beatriz Piderit <
> mpiderit at ubiobio.cl>
> > wrote:
> >
> >> Dear Thomas,
> >>
> >> Thank you for the information provided in your website, it has been very
> >> helpful.I am attempting to run Radiance simulation via Sketch Up 8 pro
> >> (instead of doing it through Ecotect). I installed the Sketch Up to
> >> Radiance plugin (su2rad_1.0.alpha version), and there are some doubts
> about
> >> the exporting process I wish to ask if you can help me with. First I?d
> >> like to ask, how would you recommend exporting the files to radiance in
> >> order to achieve the best results (by colour, by layer or by group)?.
> >> Related to that, I wish to ask if there?s a way to obtain a single file
> >> that contents all the geometry in it, because so far I have found the
> best
> >> way is to export by layers but it creates multiple files that content
> the
> >> geometry (basically one file per layer) in the objects folder.
> >>
> >> Also, I?m struggling to find a way to create the analysis grid in Sketch
> >> Up (or within the plugin) in order to obtain a grid. pts file, so if you
> >> know how to do that it would be extremely helpful.
> >>
> >> Finally, if there were any guidelines that you could provide of how to
> >> optimize the results, whether it is related to the model building or the
> >> exporting process, it would be much appreciated.
> >>
> >> Thank you for your time.
> >>
> >> Beatriz
> >> Arquitecta UBB, MA, PhD UC Louvain
> >>
> >> Departamento Dise?o y Teor?a de la Arquitectura
> >> Universidad del Bio-Bio Concepci?n, Chile
> >>
> >>
> >>
> >> _______________________________________________
> >> Radiance-general mailing list
> >> Radiance-general at radiance-online.org
> >> http://www.radiance-online.org/mailman/listinfo/radiance-general
> >>
> >>
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> > ------------------------------
> >
> > Message: 2
> > Date: Tue, 10 Jun 2014 13:23:55 -0500
> > From: Thomas Bleicher <tbleicher at gmail.com>
> > To: Radiance general discussion <radiance-general at radiance-online.org>
> > Subject: Re: [Radiance-general] su2rad update for SketchUp 2014
> > Message-ID:
> > <
> CAKGV-k3fbMaOkfuUgAVGd3NQpb9LnOhU01u0zhhBDj8qAoNYwA at mail.gmail.com>
> > Content-Type: text/plain; charset="utf-8"
> >
> > Ups. I didn't realize that this message came via the Radiance general
> list.
> > If there are any su2rad users out there please chip in with your
> experience.
> >
> > Thomas
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> > ------------------------------
> >
> > _______________________________________________
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> > Radiance-general at radiance-online.org
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--
Mudit
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