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<p class=MsoNormal><span style='color:#1F497D'>Hi again<o:p></o:p></span></p>

<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>

<p class=MsoNormal><span style='color:#1F497D'>A while ago I posted a question
about the use of shells and receive some very useful responses explaining that
best practice is to use different shells for each exposure/adjacency
combination. I have a follow up question to this which is a little tricky to
explain but hopefully the attached will help.<o:p></o:p></span></p>

<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>

<p class=MsoNormal><span style='color:#1F497D'>The attached shows two shell variants
for the same building. The top floor (shell 1) is smaller than the other
floors. Therefore, for both variants the floor below is broken into two shells;
shell 2 which is exposed to the top floor and shell 3 that has a roof exposed
to atmosphere. My question relates to the floor below these. Can this be
comprised of a single shell which spans both shell 2 and 3 as per option 1, or
does it need to be broken into two to match the shells above as per option 2?<o:p></o:p></span></p>

<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>

<p class=MsoNormal><span style='color:#1F497D'>Regards<o:p></o:p></span></p>

<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>

<p class=MsoNormal><span style='color:#1F497D'>Richard<o:p></o:p></span></p>

<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>

<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>

<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>

<p class=MsoNormal><span style='color:#1F497D'>Ps thanks to Nick for pointing
me in the direction of last week’s discussion on shading geometry<o:p></o:p></span></p>

<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>

<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>

<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>

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<p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:
"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;
font-family:"Tahoma","sans-serif"'> Richard Williams <br>
<b>Sent:</b> 09 April 2010 11:03<br>
<b>To:</b> 'equest-users@lists.onebuilding.org'<br>
<b>Subject:</b> Non-rectangular building shade<o:p></o:p></span></p>

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<p class=MsoNormal><o:p> </o:p></p>

<p class=MsoNormal>Hello<o:p></o:p></p>

<p class=MsoNormal><o:p> </o:p></p>

<p class=MsoNormal>Is it possible to use non-rectangular polygons as shade? If
so how do I do this?<o:p></o:p></p>

<p class=MsoNormal><o:p> </o:p></p>

<p class=MsoNormal>Any suggestions much appreciated.<o:p></o:p></p>

<p class=MsoNormal><o:p> </o:p></p>

<p class=MsoNormal>Regards<o:p></o:p></p>

<p class=MsoNormal><o:p> </o:p></p>

<p class=MsoNormal>Richard<o:p></o:p></p>

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