[argyllcms] Re: Dispcal - Inverting Jacobian failed?

Gerhard Fuernkranz wrote:
> in particular clipping at the high end seems to be very common among
> different LCD display, when the contrast and/or RGB gain controls are
> turned up too much. I think it may be helpful for the user, if the
> dispcal functions
>
>     2) White point (Color temperature, R,G,B, Gain/Contrast)
>     3) White level (CRT: Gain/Contrast, LCD: Brightness/Backlight)
>
> would give aid to detect a clipped, non-progressive output (e.g. if
> dispcal would print a metric for the current amount of highlight
> clipping in addition to the current deviation from the target).
>   

It may be too expensive and slow to do the extra measurements
continuously, but the clipping could be e.g. measured on request, when
the user presses a particular key.

> Regards,
> Gerhard
>

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