[Radiance-general] Re: Comparison of values measured by sensors and calculated with Radiance

[Greg Ward]

Hi Sung,

This then explains the discrepancies you were seeing with your  
previous comparisons between simulations (Radiance) and measurements.

You could use the new rsensor program to replicate your UV sensors  
response to get a match that way if you cannot modify the sensor.

-Greg

> From: Minki Sung <mkii at iis.u-tokyo.ac.jp>
> Date: April 6, 2009 8:40:35 AM EDT
>
> Yes, I checked cosine sensitivity but the results showed that UV  
> sensor did not calibrated by cosine law. I have two UV sensors made  
> by different maker, but both showed almost same responses to  
> incident angle. I am going to ask the maker on this problem and I  
> think the UV sensors might not cosine calibarated with UV.
>
> http://iga.iis.u-tokyo.ac.jp/tmp/test05.gif  Fraction of value in 0  
> degree
> http://iga.iis.u-tokyo.ac.jp/tmp/test06.gif  Fraction divided by  
> cosine
>