[Equest-users] Difficult roof

[Joe Huang]

Katia, John,

I can see the attached two JPGs, so the pictures have been attached.  Looking at them, the 
roof looks like a very shallow barrel vault.  Since eQUEST  or any other simulation 
program that I know of, accepts only planar surfaces, you will have to decompose the roof 
into a number of strips running lengthwise.  Since these strips will be skinny rectangles, 
they can be input either with WIDTH, HEIGHT, TILT, etc., or as POLYGONs.  John has details 
on how that's done in eQUEST.

Joe

Joe Huang
White Box Technologies, Inc.
346 Rheem Blvd., Suite 108D
Moraga CA 94556
yjhuang at whiteboxtechnologies.com
http://weather.whiteboxtechnologies.com for simulation-ready weather data
(o) (925)388-0265
(c) (510)928-2683
"building energy simulations at your fingertips"


On 4/5/2014 8:59 AM, John Aulbach wrote:
> Katia:
> Are you sure you attached the pictures. I dont see any attachment.  I usually stay away 
> from exotic roofs, unless a tilt is, say, in a major direction.
> If you really want to deal with it, you will need to create a polygon in the wall 
> corrdinate system.for each roof section and spatially move them in the right direction 
> using the building coordinate system . This is all in the Detail Edit mode.
> Do you understand the different coordinate systems? You can find the explanation in the 
> DOE2.2 Help Menu.
> John R. Aulbach, PE
>
> *From:* katia <katialattouf92 at hotmail.com>
> *To:* "equest-users at lists.onebuilding.org" <equest-users at lists.onebuilding.org>
> *Sent:* Saturday, April 5, 2014 8:31 AM
> *Subject:* [Equest-users] Difficult roof
>
> Dear equest-users,
>
> I am attaching two pictures of a location I am studying.
>
> I am facing difficulties in drawing the roof in eQuest using the pitched roof section.
>
> How can I do it?
>
>  Thank you for help,
>
> KL
>
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