[Radiance-general] Converting XYZ to Radiance RGB

parisa khademagha p.khademagha at gmail.com
Mon Jun 27 04:08:45 PDT 2016


Thanks Robert!

On 23 June 2016 at 17:23, Guglielmetti, Robert <Robert.Guglielmetti at nrel.gov
> wrote:

> Use single quotes if on bash...
>
> On 6/23/16, 7:12 AM, "Greg Ward" <gregoryjward at gmail.com<mailto:
> gregoryjward at gmail.com>> wrote:
>
> Hi Parisa,
>
> You can use the xyz_rgb.cal definitions in ray/src/cal/cal, like so:
>
> rcalc -f xyz_rgb.cal -e "$1=R($1,$2,$3);$2=G($1,$2,$3);$3=B($1,$2,$3)"
>
> Then, type or redirect your XYZ values separated by spaces or tabs to the
> standard input to get RGB values on the standard output.
>
> Cheers,
> -Greg
>
>
> From: parisa khademagha <p.khademagha at gmail.com<mailto:
> p.khademagha at gmail.com>>
>
> Subject: [Radiance-general] Converting XYZ to Radiance RGB
>
> Date: June 23, 2016 8:34:54 AM EDT
>
> To: Radiance general discussion <radiance-general at radiance-online.org
> <mailto:radiance-general at radiance-online.org>>
>
> Reply-To: Radiance general discussion <
> radiance-general at radiance-online.org<mailto:
> radiance-general at radiance-online.org>>
>
>
> Dear all,
>
> I have used Konica Minolta (CL-500A)  spectrometer to measure X Y Z values
> of the real sky using the data management software CL-S10w. I want to
> convert these X Y Z values to the Radiance R G B. Is there any way/script
> for such conversion?
>
> Thanks in advance,
> Kind regards,
>
> Parisa
>
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