<div dir="ltr">Hi,<br><br>I suppose you can use some of standard Radiance tools for that, but here is another way we use.<br><br>In Raddisplay <a href="http://deluminaelab.com/en/raddisplay_details.html">http://deluminaelab.com/en/raddisplay_details.html</a> program you can create falsecolor image from your original radiance image. If you define false color palette with 2 colors - one has value 0 and another value you want to use as a threshold, and open Statistiques dialog, you'll have percent for each color in the tablle. You can also define the palette with more colors, for various threshold values.<br>
<br>Hope this helps,<br>Marija <br>De Luminae.<br><br><div class="gmail_quote">2008/10/20 Galen Burrell <span dir="ltr"><<a href="mailto:galenburrell@yahoo.com">galenburrell@yahoo.com</a>></span><br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div><div style="font-family: times new roman,new york,times,serif; font-size: 12pt;"><div>Hi All,<br>I have a radiance .pic with lux values calculated using rpict -i. Is there a way to calculate the percentage of the pixels that are at or above a specified value? <br>
Thanks,<br><font color="#888888">Galen<br></font></div></div><br></div></blockquote></div><br></div>