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root
/
radiance
/
ray
/
src
/
cal
/
cal
/
lumdist.cal
Revision:
1.2
Committed:
Wed Nov 21 18:10:45 2018 UTC
(5 years, 6 months ago) by
greg
Branch:
MAIN
CVS Tags:
rad5R4, rad5R3, HEAD
Changes since
1.1
:
+1 -0 lines
Log Message:
Added missing RCSid tag
File Contents
#
Content
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{ RCSid $Id$ }
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{
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Conversion from zonal lumens to watts/steradian
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}
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lum2watt(t0,t1,l) = l / 683 / (omega(t1)-omega(t0)) ;
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omega(d) = 2*PI * (1-cos(d*PI/180)) ;