ART feature requests and discussion

@agriggio
I have the lest exiftool version 12.16 and deleted the cache. I get the same result.

And how you compute the RGB multipliers please?

Look at the DNG RGB numbers, 0.553813,1.0,0.627067. The R and B numbers from the RGGB calculation are the same.

Strange, it works here… I’ll check again

Also, can you share the arp? Thanks!

I rechecked again and there was a mishap in my build procedure.
When using actually 12.16 it works.
Sorry for the noise and thanks again.

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With regard to Local Editing, is there currently available a way to add an Excluding Spot within any of the masking features? One where a polygon or other free hand technique could be used to isolate the area. There are instances where the area to be excluded is too close in color to the area that is to be changed. I think that the brush mask is the closest tool for this at the moment.

There is a subtract mode for area masks. So you could make one big shape to cover the area you want then add a, second shape, within the same mask in subtract mode, which would in effect cut an ‘excluding hole’ in the first shape. Would that achieve what you want, or have I misunderstood?

I have a suggestion to speed up using masks. Are there any keyboard shortcuts or would it be possible to implement some to reduce the amount of scrolling up and down when using masks?
Suggestions:

Shortcut to toggle ‘show mask’ on and off (this would have the biggest effect on reducing scrolling up and down) eg M or shift M or whichever key is free…

Shift and mouse wheel to adjust the roundness of the rectangle area mask (consistent with the polygon shapes)

Control and mouse wheel to adjust the feathering

Just thoughts, you may consider them unworkable or not worth it, I will still enjoy using ART whether they are included or not… Thanks.

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Hi,
These are all good suggestions, thanks! I’ll see what can be done

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Brilliant! Hopefully people will find it useful…

The excluding spot could cut a hole. It could also overlay the big shape, like in RT.

Tell me if I’m wrong as I’m not sure if this feature is in ART. RT’s ability to have the placement of the spot determine the location where the adjustment is being made, is a huge advantage. The excluding spot works very well in RT. What’s missing is the ability to re-shape the spot for more precise control of the area being excluded.

You’re right, there’s no such thing in ART, and no plan to add one. It just works differently. You can simulate RT spots by using a combination of area and color similarity masks (moving the spot in RT would correspond to picking a different point for the color similarity mask), but it certainly won’t have the convenience of RT. If you find that you prefer that kind of interaction, ART is probably not the right choice.

HTH

@agriggio, thank you for the explanation and for taking the time to discuss the request.

It’s ctrl-m now

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That’s great! Thanks for taking the time to do this.

Re CR3 WB

Something like this happened in DT recently. I discovered for someone using a Panasonice G7 that two versions of CFA were out there. BGGR and GBRG. Since the CFA was read from the a file cameras.xml and not the exif data then then the wb coeffcients were applied to both the same way so the GBRG files became magenta on opening. Editing the cameras.xml…fixed it… So I wonder if DNG files and CR3 files are not getting or providing CFA data in the same way and so the WB is wrong?? I have not idea but maybe there is a clue in this

Thanks for adding the extra controls to the masks, they work really well. Just one observation. Ctrl M does not activate show mask the first time you click it, you need to have activated ‘show mask’ on the menu once, then Ctrl M works for toggling the ‘show mask’ on and off. Not sure if this was by design, or perhaps this was the only practical way of implementing it. Not really a big deal, just an observation.

Yes, technically it’s a bit difficult… In order for the shortcut to work the tool needs to have keyboard focus. So you have to click on any of its sliders/controls first

That makes sense, it’s still useful in its current form. Using the mouse scroll wheel on the feathering and roundness is great though, really speeds things up. I guess the same control could also be added to feathering of polygon shapes at some point, for consistency, if it’s achievable and you think it is worthwhile.

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you’re right – it should work now. Thanks!

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