Am 04.03.2020 um 12:44 schrieb Mark Filipak:
On 03/04/2020 05:52 AM, Michael Koch wrote:
Hi,
is there any known workaround for making a red-shift or a blue-shift?
I mean shifting the visible spectrum towards red or blue. In the
middle of the spectrum this can be realized by the "hue" filter, but
at the end of the spectrum I want a different behaviour. I want a
shift instead of a rotation. Colors at the end of the visible
spectrum must be shifted to (or from) black.
Michael
Hey, Michael, (seriously this time), can't you diddle luminance at the
same time as hue?
As far as I know, there is no filter for decreasing the luminance as a
function of hue.
Although a complicated workaround with "geq" filter might be possible.
I'll try to figure it out.
Michael
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