[Radiance-general] Color – Greyscale pic file transformation

[Greg Ward]

The whole concept of a false color image requires color to encode luminance (or some other scalar), so there's fundamentally no way to do it in grayscale.  You may as well just pass the image through pcond and turn the output to grayscale -- you won't be able to do better than that.

Cheers,
-Greg

> From: david behar <behar_david at yahoo.com>
> Date: June 12, 2012 8:35:07 AM PDT
> 
> Dear radiance community
> I want to ask for your help with dealing with pic files. Usually the results of Radiance simulation of illuminance levels gives a spread of lines and values by using colors or colored contours lines graphic representations.
> I want to ask if there is anyway to transform the results from a color based presentations, to Black and White presentations? Transforming the usual color result into greyscale presentation do not give the responding scale of grey values - for example – red is usually the color used for high values, where once greyscaled, it gets a grey which is a middle hue in relation to the others.
> 
> I will be very happy for an advice for how to make a fit in between a color scale of values and a grey scale of values for a pic result ?
> 
> Thank you very much!!
> David
> 
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