[Equest-users] Reduction of window area in detail mode!

[Jeremy McClanathan]

What I have done in the past is create a global parameter called "Percent Glass" and the following user defined expressions:

Height = constant

Width:
((PARENT3("FLOOR-HEIGHT")*
PARENT("WIDTH")*
PARAMETER("Percent Glass")) /
((LOCAL("HEIGHT")+(2*LOCAL("FRAME-WIDTH")))))
-
(2*LOCAL("FRAME-WIDTH"))



If you want to place the window in the center of each wall:

Y = constant

X:
(PARENT("WIDTH")/2)-(LOCAL("WIDTH")/2)-LOCAL("FRAME-WIDTH")

Jeremy

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Jeremy McClanathan, LEED(r) AP
CDi ENGINEERS
4200 194th St SW, Ste 200, Lynnwood, WA 98036
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From: Arunabha Sau [mailto:runabha at gmail.com]
Sent: Thursday, September 09, 2010 10:26 AM
To: Nick Caton
Cc: equest-users at lists.onebuilding.org
Subject: Re: [Equest-users] Reduction of window area in detail mode!

THANKS y'all. I did it.
But there is NO code-input way, right?
On Thu, Sep 9, 2010 at 8:22 AM, Nick Caton <ncaton at smithboucher.com<mailto:ncaton at smithboucher.com>> wrote:
Another option that may actually be quicker/easier, particularly if you have many windows of varying dimensions, would be to do this manually (outside of a parametric run):


1.       Navigate to the building shell tab

2.       Click any window in the component tree

3.       Highlight the entire column of "Height" (or "Width")

4.       Let go of your mouse, press Ctrl+c

5.       Open Excel

6.       Ctrl+v

7.       Make a formula in the adjacent column that multiplies the dimension by the ratio you need to get total window area back to 40%

8.       Drag that formula down

9.       Flex your accounting muscles and hammer the results into the column in eQuest - you can position the windows side-by-side if you have enough screen real-estate, or print the excel file out on paper if the column is huge or that's easier on your eyes.

Since some rounding is involved, if you wanted to check the math before step #9, you could copy the other (height/width) dimension across from eQuest into a new column, and use excel to multiply your new areas across and sum them up.

~Nick

Error! Filename not specified.

NICK CATON, E.I.T.
PROJECT ENGINEER
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olathe ks 66061
direct 913 344.0036
fax 913 345.0617
Check out our new web-site @ www.smithboucher.com<http://www.smithboucher.com>

From: equest-users-bounces at lists.onebuilding.org<mailto:equest-users-bounces at lists.onebuilding.org> [mailto:equest-users-bounces at lists.onebuilding.org<mailto:equest-users-bounces at lists.onebuilding.org>] On Behalf Of Mark Nieman
Sent: Thursday, September 09, 2010 9:49 AM
To: Arunabha Sau; equest-users at lists.onebuilding.org<mailto:equest-users at lists.onebuilding.org>
Subject: Re: [Equest-users] Reduction of window area in detail mode!

I believe you could create a parametric run that redefines the window heights, so that you end up with 40% glazing area. You would have to do the math for what the final height would be, but I think that's the quickest way to back into the baseline model (other baseline parameters can be done this way also). For example:
Error! Filename not specified.

Mark Nieman, PE, CEM | McKinstry | Sr. Energy Engineer
d 206.832.8152 | m 206.510.4760 | f 206.832.8552
FOR THE LIFE OF YOUR BUILDING
From: equest-users-bounces at lists.onebuilding.org<mailto:equest-users-bounces at lists.onebuilding.org> [mailto:equest-users-bounces at lists.onebuilding.org<mailto:equest-users-bounces at lists.onebuilding.org>] On Behalf Of Arunabha Sau
Sent: Wednesday, September 08, 2010 5:32 PM
To: equest-users at lists.onebuilding.org<mailto:equest-users at lists.onebuilding.org>
Subject: [Equest-users] Reduction of window area in detail mode!

Hi Folks!


I've got assigned in one project in eQuest which does not have LEED baseline model and I've to create it.
They have already done the model for incentive from the local gas&electric company which is very detailed and it's in 'Detail mode' in eQuest.
For the LEED baseline, I need to create windows 40% of the wall area but here in the model everything is according to the design (more than 40%windows)!

I don't want to go every single window and re-size them!
Is there any shortcut way to reduce the window by multiplying 'the' fraction (40%/current window percent)?
To be specific, I am looking for some help using "if...then...else..if" or any other kind of function; that way may be just creating a single global parameter the window area can be reduced in a very less tedious way.
Is there any particular help-file to write parameter-codes in eQuest?

Hope you understand my question.
Thanks for your time.



Best,
Aru

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