Manual calibration of LG displays from 2018 and newer with ColourSpace CMS and ColourSpace ZRO just got a time saving boost.
Applies to SDR, HDR and Dolby Vision picture modes without an uploaded 1D LUT.



The program and support for it is available on AVSForum.

https://www.avsforum.com/threads/lg-white-balance-gui-for-manual-calibration.3275621/

tallLeRoy
You could likely use Remote Control to have the patch colours set within ColourSpace defined by the the LG White Balance program.
That would speed things up even more...

Steve

Hmmm, would Remote Control work with ColourSpace ZRO, I know that ZRO does not include Master & Servant controls.

I am not thinking about controlling the full patch set. Just asking for a black patch for LG Displays younger than 2021 instead of 'Display Standby'.

LeRoy

tallLeRoy
As the LG White Balance GUI program would be the 'Master', you only need ColourSpace to work as 'Servant', which ZRO can do.
You can have ColourSpace automatically put up the correct colour patch, when the LG White Balance GUI is adjusted...

Steve

I have the interface documents, thanks for the pointer. I don't see a way to change the pattern generator to Off or Automatic. Sending a black patch is complicated by 8 / 10 bit. It also looks like the user would need to set up ColourSpace as the Remote Control client. The instructions may get messy. I am sure you know how easily things can be miscommunicated.

How about this? Keep the patch generation black, unless someone is measuring a patch. That way one could examine high energy HDR measurements without heating the display.

LeRoy

Not sure what you mean about the TPG being Off or Automatic?
You just send the required patch colour, and take a measurement - and do that continuously, as needed.

The control should be that when you select a patch control within your LG White Balance GUI program, the correct patch colour is set within ColourSpace automatically, and a measurement taken.

Basically, the Remote Control would replace the need to use Patch Sets, requiring the user to manually set through the patches, etc., and take measurements while making the adjustments via the LG White Balance GUI program controls.

You could even set the patch to black in-between measurements, or when the the LG White Balance GUI program is inactive.

Steve

Yes, I understand Steve. But there is a lot of controls that need to be set in ColourSpace properly before sending a Measure command. That all depends on the equipment and color space being measured. I know you have spent a lot of time enabling all of those options in ColourSpace. I also have seen more consistent results by measuring a sequence of dark and light patches, rather than repeated measures of the same patch.

Can there be just a display black command, with a complimentary reset to allow normal TPG operation? That could work without knowing the range or bit depth? The only thing my testers wanted to avoid was displaying patches when examining the results of a measurement sequence. The LG Display Standby command does this, but only applies to 2021 and above model years. The LG Display Standby command is not ideal, when disabled the last pattern selected in the Measure panel comes shining through again. Manageable, but not idea.

Maybe we should take this offline.

LeRoy

ColourSpace will indeed need to be set-up by the user for patch size, etc., as normal.

But when taking measurements it can be automated via Remote Control, with any order of patches used, even with black, or other colour patches.
While each patch will be measured, you can obviously just ignore patches that are just for stabilisation, etc.
Your program can control that via Remote Control.

When using Remote Control, the 3rd party program can set Patch Colour, as well as Bit Depth and Range.

Steve