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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>To access a parent parameter use the
command #P. &nbsp;To access a local parameter use the command #L.&nbsp; Also,
global parameters are referenced by the #PA command. &nbsp;The errors you
describe are because the name of the parameter you are trying to reference isn&#8217;t
EXTERIOR-WALL:HEIGHT, it&#8217;s just HEIGHT.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Try this:<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>{#P(&#8220;HEIGHT&#8221;)*#P(&#8220;WIDTH&#8221;)*#PA(&#8220;East
Wall Percent Glass&#8221;)/#L(&#8220;HEIGHT&#8221;)}<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>If that doesn&#8217;t work let me know, as
I just typed that up on the fly.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

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<p class=MsoNormal><font size=3 color=navy face="Franklin Gothic Demi"><span
style='font-size:12.0pt;font-family:"Franklin Gothic Demi";color:navy'>Robby
Oylear</span></font><font size=2 color=navy face="Franklin Gothic Demi"><span
style='font-size:11.0pt;font-family:"Franklin Gothic Demi";color:navy'><o:p></o:p></span></font></p>

<p class=MsoNormal><i><font size=2 color=navy face="Times New Roman"><span
style='font-size:10.0pt;color:navy;font-style:italic'>Mechanical Engineer<o:p></o:p></span></font></i></p>

<p class=MsoNormal><font size=2 color=navy face="Times New Roman"><span
style='font-size:10.0pt;color:navy'>direct: 206.788.4571<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face="Times New Roman"><span
style='font-size:10.0pt;color:navy'>cell: 206.354.2721</span></font><font
color=navy><span style='color:navy'><o:p></o:p></span></font></p>

<p class=MsoNormal style='margin-bottom:3.0pt'><font size=1 color=navy
face=Arial><span style='font-size:8.0pt;font-family:Arial;color:navy'><a
href="http://www.rushingco.com" title="blocked::http://www.rushingco.com/"><font
color=navy><span style='color:navy;text-decoration:none'><span
title="blocked::http://www.rushingco.com/">www.rushingco.com</span></span></font></a></span></font><font
size=1 face=Arial><span style='font-size:8.0pt;font-family:Arial'><o:p></o:p></span></font></p>

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face="Times New Roman"><span style='font-size:12.0pt'>

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<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>
bldg-sim-bounces@lists.onebuilding.org
[mailto:bldg-sim-bounces@lists.onebuilding.org] <b><span style='font-weight:
bold'>On Behalf Of </span></b>Jeremy McClanathan<br>
<b><span style='font-weight:bold'>Sent:</span></b> Tuesday, June 17, 2008 4:08
PM<br>
<b><span style='font-weight:bold'>To:</span></b> bldg-sim@lists.onebuilding.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> [Bldg-sim] User Input
Expression</span></font><o:p></o:p></p>

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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Hello,<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>It would be greatly appreciated if someone would provide
some advice on how to create a user input expression.&nbsp; In order to easily
manipulate the percent glass of a building in the detailed interface, I would
like to create an expression that sets window width based on a global parameter
for percent glass I created.&nbsp; To accomplish this, I right click on the
width input cell and select &#8220;Edit/View User Expression&#8230;&#8221;,
then enter the following code I came up with based on what I have been reading
in the DOE-2 help files.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>(PARENT( EXTERIOR-WALL:HEIGHT ) *<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>&nbsp;PARENT( EXTERIOR-WALL:WIDTH ) *<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>&nbsp;PARAMETER(&quot;East Wall Percent Glass&quot;)) /<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>LOCAL( HEIGHT )<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>This does not work.&nbsp; Below are the errors that the
above expression generate.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Expression Parsing Error: Invalid BDL Keyword Function
Argument &#8216;EXTERIOR-WALL:HEIGHT&#8217;<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Expression Parsing Error: Invalid BDL Keyword Function
Argument &#8216;EXTERIOR-WALL:HEIGHT&#8217;<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Expression Parsing Error: Invalid BDL Keyword Function
Argument &#8216;EXTERIOR-WALL:HEIGHT&#8217;<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I have tried several variations of this expression with no
luck.&nbsp; <o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Thank you in advance for any advice you can provide.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Jeremy<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

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