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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">This is just a thought:
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">If the building is mirrored about a north-south axis then the floor polygons can be mirrored by switching the x coordinates of the polygon vertices. Then the
floor in each space has a polygon that is the mirror of the space polygon. You could use those polygons to replace the existing space polygons – I think. The tricky part is placing each of those polygons on the correct vertex of its new floor polygon. The
exterior walls should still be on the same relative space vertex – I think. <o:p>
</o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="color:#1F497D"><img width="108" height="43" id="Picture_x0020_2" src="cid:image001.png@01D1A16A.908F49D0" alt="cid:image003.png@01D09C46.E75BA0D0"></span><b><span style="color:#1C467A"><o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1C467A">Christopher Jones,</span></b><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">
</span></b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">P.Eng.<i>
<br>
</i></span><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">Senior Engineer<b><o:p></o:p></b></span></p>
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<p class="MsoNormal"><b><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">WSP Canada Inc.<o:p></o:p></span></b></p>
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</span><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D">T +1 416-644-4226<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Equest-users [mailto:equest-users-bounces@lists.onebuilding.org]
<b>On Behalf Of </b>Xiangjin Yang via Equest-users<br>
<b>Sent:</b> Thursday, April 28, 2016 10:33 AM<br>
<b>To:</b> equest-users@lists.onebuilding.org<br>
<b>Subject:</b> Re: [Equest-users] [Bldg-sim] How to mirror a building in eQUEST<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial","sans-serif"">Hello All,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial","sans-serif"">Thanks for your help. Our energy modelling team got a heated discussion and come out two possible “easier” solutions:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial","sans-serif""><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo2"><![if !supportLists]><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial","sans-serif""><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial","sans-serif"">Rotate the building by 180 deg and change the Latitude from north to south – does not work, since the program does not take this revised Latitude in
the simulation. The weather file needs to be modified to mirror the location of the building from northern hemisphere to south hemisphere. I will pull out the weather file to see how complicated it is.<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo2"><![if !supportLists]><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial","sans-serif""><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial","sans-serif"">Edit azimuth values for all exposures in .inp files or in parametric run. The geometry is still the same, but the exposures have been changed. But the
problem is the azimuth values are relative to origin of each zone, not absolute. It will be a lot of work to flip the exposures 180 deg by checking what is the original azimuth values in the model. Say if the building is mirrored on an north-south axis, the
north is still north, but east becomes west. So the east and west exposures need to be edited, while the north and south exposures can be left untouched.<o:p></o:p></span></p>
<p class="MsoListParagraph"><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial","sans-serif"">I am still on my way to solve it out completely. But these two approaches may give some hints to others who encounter the same situation. At the same time, you
are always welcome to put your comments and suggestions.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial","sans-serif""><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial","sans-serif"">Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial","sans-serif""><o:p> </o:p></span></p>
<div>
<p class="MsoNormal"><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#4D4D4D">Xiangjin Yang
</span></b><span lang="EN-CA" style="font-size:8.0pt;font-family:"Arial","sans-serif";color:#4D4D4D">Ph.D., P.Eng., LEED AP BD+C
</span><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><i><span lang="EN-CA" style="font-size:9.0pt;font-family:"Arial","sans-serif";color:#4D4D4D">MCW Energy Modelling Centre of Excellence<br>
Building Simulation Engineer </span></i><span lang="EN-CA" style="font-size:9.0pt;font-family:"Arial","sans-serif";color:#4D4D4D"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><a href="http://www.mcw.com" title="Click here to visit www.mcw.com"><b><i><span style="color:#008837;text-decoration:none">MCW Consultants Ltd.
</span></i></b></a><o:p></o:p></span></p>
<p class="MsoNormal"><i><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#4D4D4D">Queen’s Quay Terminal
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Fax: (416) 598-5394 </span></i><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><o:p></o:p></span></p>
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