[Radiance-general] computing the standard deviation of pixels above zero

[Greg Ward]

Ahh, seems Kristopher's kitty found a nice, warm laptop to sleep on...

> From: "Baker, Kristopher" <kbaker at syska.com>
> Date: June 15, 2010 4:40:23 PM PDT
>
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> ¥fffffggggGGfGFgfgfGfGfgfffgfGtgFGGGGxudgfnmxfN
>
> ----- Original Message -----
> From: radiance-general-bounces at radiance-online.org <radiance-general-bounces at radiance-online.org 
> >
> To: Radiance general discussion <radiance-general at radiance-online.org>
>
> On Mon, Jun 14, 2010 at 10:58 PM,  <kkonis at berkeley.edu> wrote:
>
>> # -h -H         do not print header or resolution string
>> # -pG           print only the primary GREEN
>> # -df       Output [binary 32-bit float values]
>> alias toflt 'pvalue -h -H -pG -df \!*'
>
> You probably should add a "-o" option here, too, unless you always use
> images fresh from rpict (no further pfilt treatment).
>
> Regards,
> Thomas