[Radiance-general] 3.8 Falsecolor Scale

[Gregory J. Ward]

OK, fine.  I added a "-s auto" specification to set the maximum to  
the penultimate foveal maximum as reported by the "phisto" command.   
I didn't make it the default, because it takes a bit longer to  
compute that way.

-Greg

> From: Rob Guglielmetti <rpg at rumblestrip.org>
> Date: November 11, 2006 11:28:41 PM PST
>
> On Nov 12, 2006, at 12:04 AM, Gregory J. Ward wrote:
>
>> I never put in an option to set the falsecolor scale to the image  
>> maximum because it's usually the wrong thing to do.  There are  
>> often a few really bright pixels in a scene that may be orders of  
>> magnitude above the rest.  It's better to go in manually with  
>> ximage and use the 'l' key to pick out luminance values in the  
>> bright regions and set the scale based on those.
>
> I think most Radiance users know how to use such an option with  
> caution.  If anything, it's a nice starting point, a way to see  
> what you're dealing with in a given scene.  I don't see how it's  
> much different from defaulting to '-s 1000'; certainly there is  
> potential there for gross misrepresentation of the luminous  
> environment as well?