Hi John,<br><br>I want to be able to test the daylight and sun penetration in the mall space during different sky conditions eg 9am 12pm 3pm sunny sky and also an overcast sky. So in hindsight I should've used the CIE overcast. However, when I simulate with sunny sky conditions I get the same resolution and rendering problems. <br>
<br>Any more thoughts?<br><br>Paul.<br><br><div class="gmail_quote">On Tue, May 19, 2009 at 2:01 AM, John Mardaljevic <span dir="ltr"><<a href="mailto:jm@dmu.ac.uk">jm@dmu.ac.uk</a>></span> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
Paul,<br>
<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
The outside ambient conditions are a uniform sky.<br>
</blockquote>
<br>
<br>
Is there a particular reason to use a uniform sky over the CIE overcast?<br>
<br>
-John<br>
<br>
-----------------------------------------------<br>
Dr. John Mardaljevic<br>
Reader in Daylight Modelling<br>
Institute of Energy and Sustainable Development<br>
De Montfort University<br>
The Gateway<br>
Leicester<br>
LE1 9BH, UK<br>
+44 (0) 116 257 7972<br>
+44 (0) 116 257 7981 (fax)<br>
<br>
<a href="mailto:jm@dmu.ac.uk" target="_blank">jm@dmu.ac.uk</a><br>
<a href="http://www.iesd.dmu.ac.uk/%7Ejm" target="_blank">http://www.iesd.dmu.ac.uk/~jm</a><br>
<br>
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</blockquote></div><br><br clear="all"><br>-- <br>Paul Chilton<br><br>Renewable Energy Engineer<br><br>[m] 0400 306 791 | [e] <a href="mailto:p.chilton@gmail.com">p.chilton@gmail.com</a><br>