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Dear Prabhat<br>
<br>
Relux (<a href="http://www.relux.biz/">http://www.relux.biz/</a>) and
Dialux (<a href="http://www.dialux.com/e/index4.html">http://www.dialux.com/e/index4.html</a>)
are both pretty good and free with extensive databases of luminaires,
etc.<br>
<br>
Radiance (<a href="http://radsite.lbl.gov/radiance/">http://radsite.lbl.gov/radiance/</a>)
is a light simulation (ray-tracing) package which is very accurate and
is also
freely available. Input is pretty much text based and can be
difficult. You would need a ported version or a gui control panel to
run in windows, but there are also windows based linux (cygwin)
versions and the optimal way to run it is on linux. In fact there is a
CD compiled version called Learnix available (<a
href="http://luminance.londonmet.ac.uk/learnix/">http://luminance.londonmet.ac.uk/learnix/</a>)
which is a precompiled run off the CD version. There are also numerous
tools that can create radiance models including blender (<a
href="http://www.blender.org/">http://www.blender.org/</a>) and
ecotect (<a href="http://www.squ1.com/">http://www.squ1.com/</a>), to
pick the better ones.<br>
<br>
Lumen Designer (<a
href="http://www.lighting-technologies.com/Products/LumenDesigner/overview.htm">http://www.lighting-technologies.com/Products/LumenDesigner/overview.htm</a>)
is another good packages.<br>
<br>
Cheers<br>
<br>
Paul<br>
<br>
<br>
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<td valign="top"><a href="http://www.zed-uk.com/"><img
alt="ZED-LOGO" src="cid:part1.02000105.02030507@zed-uk.com" border="0"
height="147" width="135"></a></td>
<td valign="top"><font face="Calibri">Dr Paul Carey<br>
Director<br>
<br>
Zero Energy Design Ltd<br>
10A Portland Place, 2-22 Mottram Road, Stalybridge, SK15 3AD, UK.<br>
Tel: +44 161 3386200 Fax: +44 161 3031281 Mob: +44 789 4098012<br>
Email/MSN: <a class="moz-txt-link-abbreviated"
href="mailto:Paul@zed-uk.com">Paul@zed-uk.com</a></font><br>
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<pre wrap=""> </pre>
<address><font face="Calibri"><small>Company Registered in
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Prabhat Barnwal wrote:
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<div><font face="Arial" size="2">Deal all</font></div>
<div> </div>
<div><font face="Arial" size="2">I need to model an interiors
llighting (luminaire arrangement) for an office building and have to
ensure that no direct beam illumination goes out of the glazing.</font></div>
<div> </div>
<div><font face="Arial" size="2">any suggestion on the best
tool/method to do it.</font></div>
<div> </div>
<div><font face="Arial" size="2">Regards</font></div>
<div> </div>
<div>Prabhat Barnwal<br>
Kalpakrit Sustainable Environments Pvt. Ltd.<br>
Corp. Office: 610-A, Udyog Vihar, Phase V, Gurgaon 122016, Haryana,
India<br>
Tel: +91.124.4309490-92 Fax: +91.124.4309493<br>
Cell: +91.9898663086<br>
E-mail : <a moz-do-not-send="true" href="mailto:prabhat@kalpakrit.com">prabhat@kalpakrit.com</a><br>
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