Re: Use XRite color probe on recent Ubuntu

Le 15/07/2021 à 13:33, Sveinn í Felli a écrit :
> Have you looked at the Argyll CMS ? Think it works with the colord-deamon, usually present in the *buntu distros.
> The dispcalgui package is its graphical interface.
> I have a Spider3, works mostly as a charm with Argyll.

Hello

I managed to install displayCal using its flatpak version :
https://flathub.org/apps/details/net.displaycal.DisplayCAL

I could run displayCal.
The "i1Display studio" seems to be compatible with the "i1Display Pro".

But it couldnt install the created profile due to
"Dispwin: Error - We don't have access to the VideoLUT for clearing".
I found out, according to some forums, that it's because wayland doesnt do any color management.
This is corroborated by articles and discussions as
https://www.collabora.com/news-and-blog/blog/2020/11/19/developing-wayland-color-management-and-high-dynamic-range/
and https://gitlab.freedesktop.org/wayland/wayland-protocols/-/merge_requests/14
but i wonder then : when wayland doesnt manage color,
what use is that system settings dialog that asks for a screen profile when i switch the probe's USB plug ?

So, displayCal created a icc profile and could not install it,
BUT i could install it using that system dialog.

As for now i dont see any differences...
I have to study the effects of that profile now
and get scribus to use it.

JLuc




> 
> Best regards,
> Sveinn í Felli
> 
> 
> Þann 15.7.2021 07:56, skrifaði JLuc:
>> Hello
>>
>> i want to improve color rendering on screen
>> so as better edit images
>> so as to improve printed colors.
>>
>> I use a "HP 32" quite basic screen
>> My printer DTP guy told me i should "get a color probe and calibrate the screen".
>>
>> So i bought a "XRite i1Display Studio" probe.
>> It seems it is a recent product, a variation of the "i1display Pro".
>>
>> I'm working on UBuntu 20.10, but i will upgrade to 21.04 sooner or later.
>>
>> When i plug the probe, a system dialog pops and displays the choosen profiles
>> and proposes to calibrate.
>>
>> When i choose calibrate, i have to answer 5 screens of settings
>> and then i have to place the probe on screen,
>> and press start.
>> The white square grows and moves a little
>> and very quickly it hangs with an irrecoverable error.
>> I seems i cant use system calibration tool.
>>
>> I've looked for https://displaycal.net/ software
>> but it is not available for recent ubuntu and its dev looks dead.
>>
>> So i wonder : How can i use this probe on a recent Ubuntu ?
>>
>> Should i rather send it back and get money back ?
>>
>> When so, how can i improve color rendering for scribus PDF printing
>> while working on recent ubuntu ?
>>
>> JLuc
>>
>>
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> 
> 
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