[Radiance-general] Asking for informations

Terrance McMinn t.mcminn at ocpms.com.au
Thu Apr 7 19:27:36 PDT 2016


Thank you Chris.

 From an irradiance image (-i) I didn't realise a multiplier of 1 in 
falsecolor provided units in W/m^2

I accept the reservations. For this project a gross mapping over a large 
site with block building shapes, the results can only be construed as 
indicative.

Regards
*Terrance McMinn*
>
> Yes, there is a -m multiplier option to falsecolor, which defaults to 
>    -m 179    and should equate to lux or cd/m². Luminance in cd/m2 is 
> the default label to display luminance unless you give the   -l lux 
>     option for example for illuminance – both related to the 179 
> lumen/Watt multiplier.
>
> However for Watts you can use    -m 1    in your options to falsecolor 
> along with    -l W/m2    to change the label to display as W/m2. That 
> is presuming your image is calculated with -i option for irradiance. I 
> don’t think people would normally expect to see a Watts based radiance 
> image in W/sr/m2.
>
> This is also presuming the intent of your image takes into account all 
> the shortcomings that Achim noted.
>
> *From:*Terrance McMinn [mailto:t.mcminn at ocpms.com.au]
> *Sent:* Thursday, April 07, 2016 9:39 AM
>
> Can you configure falsecolor to map as w/sqm?
>
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