[Equest-users] Fun with keyword expressions

[Nicholas Caton]

A brief eQuest expression BDL Boolean Operator reference, which others may find handy:
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Nick Caton, P.E., BEMP
  Senior Energy Engineer
  Energy and Sustainability Services
  Energy Performance Contracting
D
M
E

913 . 564 . 6361
785 . 410 . 3317
nicholas.caton at se.com<mailto:nicholas.caton at se.com>
15200 Santa Fe Trail Drive
Suite 204
Lenexa, KS 66219

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From: Equest-users <equest-users-bounces at lists.onebuilding.org> On Behalf Of Bishop, Bill via Equest-users
Sent: Tuesday, February 11, 2020 11:12 AM
To: equest-users at lists.onebuilding.org
Subject: [Equest-users] Fun with keyword expressions


[External email: Use caution with links and attachments]

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Let's have some fun! Share your creative keyword expressions with the group!

One of the features of eQUEST that I most enjoy is the ability to write custom keyword expressions. For example, here's an expression for WINDOW:HEIGHT :
if(#SV(#P3S())>2) then 5.33
  else 10.50 endif
-2*#L("FRAME-WIDTH")
The expression assigns different heights depending on which floor the window is on. (#P3S is the great-grandparent of the window. FLOOR-> SPACE-> WALL-> WINDOW.)
Note that you can use operators outside of If-then and switch statements. In this case, since WINDOW:HEIGHT is the height of the glazed part of the window, the expression subtracts twice the frame width after evaluating the if-then statement.

Your turn...

~Bill

William Bishop, PE, BEMP, BEAP, CEM, LEED AP
Senior Energy Engineer

[Pathfinder-EA-logo-2]T: (585) 698-1956                        F: (585) 325-6005
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134 South Fitzhugh Street
Rochester, NY 14608               [cid:image009.png at 01D5E19D.EAF111C0]         Ask me why Carbon Fee & Dividend may be right for you.


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