[Radiance-general] Falsecolor auto scale

[Marija Velickovic]

Hi,


For one or multiple false color images generation you can use
RadDisplay<http://deluminaelab.com/en/raddisplay_details.html>.

You have an option for palette type "Image based proportional", and it makes
palette according to values in the image, You can change number of colors,
and also start and end color for the palette.

There is an option to make multiple FC images at once using common color
palette and scale.
On images manipulatio tab you have a section "Create false color images",
and there you can define multiple images and create for the same palette FC
images.

Note that scale and colors palette is made littlebit different then in
Radiance (but still based on colors in original False color program).

If you have futher questions on this topic, you can contact me here on list
or on private mail.

Regards,
Marija



On Thu, May 6, 2010 at 4:19 PM, Giovanni Betti <gbetti at fosterandpartners.com
> wrote:

> Dear All,
>
> I am trying to programmatically convert a number of radiance images into
> their falsecolor equivalent. As the images display a wide range of
> possible values I am trying to figure out a method for automatically
> adjust the scale.
>
> The manual page of falsecolor reads: "If the argument given to -s begins
> with an "a" for "auto," then the maximum is used for scaling the
> result." Which is exactly what I need, unfortunately it does not work
> for me: no error is thrown but the scale is always the standard 0 to
> 1000.
>
> This is the syntax that I am using:
>
> " Falsecolor -ip mypic.hdr -s a -n 10 -l Lux > mypic_fc.hdr "
>
> I am using Radiance 3.9 on Windows, which might be the reason.
>
> I have also tried this on the real useful falsecolor2 by Thomas Bleicher
> (thanks!!) and in this case I receive the error 'bad option'.
>
> Does anyone have any suggestion/clue?
>
> Thanks in advance,
> Best,
>
> Giovanni
>
>
>
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