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Hi,

I'm working with Affinity Photo Version 1.7.0.367 on Windows 10.
I'm missing the histogram for brightness on all photos. Only the
histogram for the channesl Red, Green and Blue are visible.

How can I activate the histogram for brightness?

Regards

Gerhard

 

 

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Hi Gerhard Herboeck,

Welcome to the forums :)

Affinitys Histogram is designed for the R, G & B channels only, unfortunately we don't currently have a dedicated Histogram for Brightness, my apologies.

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Hi Dan

thanks for this info but why I can see the histogram for brithness in the Affinity Photo Workbook (Page 31)and other Books (Rheinwerk).
Is this not available in the new Version 1.7 ?

Regards

Gerhard

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2 hours ago, Dan C said:

Affinitys Histogram is designed for the R, G & B channels only, unfortunately we don't currently have a dedicated Histogram for Brightness, my apologies.

There was something in 1.6, though, in addition to R, G, and B. Was it intentionally removed?


-- Walt

Windows 10 Home, version 1903 (18362.356), 16GB memory, Intel Core i7-6700K @ 4.00Gz, GeForce GTX 970
Affinity Photo 1.7.3.481 and 1.8.0.486 Beta   / Affinity Designer 1.7.3.481 and 1.8.0.486 Beta  / Affinity Publisher 1.7.3.481 and 1.7.3.475 Beta

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50 minutes ago, walt.farrell said:

There was something in 1.6, though, in addition to R, G, and B. Was it intentionally removed?

I think it was view in Colour or Greyscale for the channels.


MacBook Pro (13-inch, Mid 2012) Mac OS 10.12.6 || Mac Pro (Late 2013) Mac OS 10.14.5

Affinity Designer 1.7.3 | Affinity Photo 1.7.3 | Affinity Publisher 1.7.3 | Affinity Designer Beta 1.7.x.x | Affinity Photo Beta 1.7.x.x | Affinity Publisher Beta 1.7.x.x

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2 hours ago, Old Bruce said:

I think it was view in Colour or Greyscale for the channels.

It showed as a white region on the histogram, overlaid on the R, G, and B regions.


-- Walt

Windows 10 Home, version 1903 (18362.356), 16GB memory, Intel Core i7-6700K @ 4.00Gz, GeForce GTX 970
Affinity Photo 1.7.3.481 and 1.8.0.486 Beta   / Affinity Designer 1.7.3.481 and 1.8.0.486 Beta  / Affinity Publisher 1.7.3.481 and 1.7.3.475 Beta

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4 hours ago, walt.farrell said:

It showed as a white region on the histogram, overlaid on the R, G, and B regions.

Like the OP mentioned, on p. 31 of my copy of the Photo Workbook that white region is visible. My guess is it is related to luminosity, but the workbook does not say what it represents.


Affinity Photo 1.7.3, Affinity Designer 1.7.3, Affinity Publisher 1.7.3; macOS High Sierra 10.13.6 iMac (27-inch, Late 2012); 2.9GHz i5 CPU; NVIDIA GeForce GTX 660M; 8GB RAM
Affinity Photo 1.7.3.155 & Affinity Designer 1.7.3.1 for iPad; 6th Generation iPad 32 GB; Apple Pencil; iPadOS 13.1.2

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My sincerest apologies, I thought that Luminance had been removed from the Histogram, as the white that was present previously was representative of the luminosity values in the image.

This was updated in version 1.7 - we now use Light Blue to represent the Luminosity values, which is still visible on the histogram but admittedly this is harder to spot now. This has been raised with our developers. 

Thanks for raising the image used in the workbook, I've passed this through to our QA & documentation teams.

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11 minutes ago, Dan C said:

This was updated in version 1.7 - we now use Light Blue to represent the Luminosity values, which is still visible on the histogram but admittedly this is harder to spot now.

FWIW, in the Light UI style it is a darker blue than the blue channel, & in the Dark UI style, the blue channel is nearly invisible.

Also, when I was checking this with the Histogram panel undocked & set to about 1/6th the width of the screen & toggling back & forth between Light & Dark UI styles in the Preferences > User Interface window in front of it, Affinity Photo 1.7.0 crashed. I don't like to attach crash reports to pubic forums for privacy/security reasons but if you want I can upload it to your Dropbox if you give me a link for that. 


Affinity Photo 1.7.3, Affinity Designer 1.7.3, Affinity Publisher 1.7.3; macOS High Sierra 10.13.6 iMac (27-inch, Late 2012); 2.9GHz i5 CPU; NVIDIA GeForce GTX 660M; 8GB RAM
Affinity Photo 1.7.3.155 & Affinity Designer 1.7.3.1 for iPad; 6th Generation iPad 32 GB; Apple Pencil; iPadOS 13.1.2

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13 minutes ago, R C-R said:

FWIW, in the Light UI style it is a darker blue than the blue channel, & in the Dark UI style, the blue channel is nearly invisible.

Thanks for letting me know, I was unaware of this!

14 minutes ago, R C-R said:

with the Histogram panel undocked & set to about 1/6th the width of the screen & toggling back & forth between Light & Dark UI styles in the Preferences > User Interface window in front of it, Affinity Photo 1.7.0 crashed.

I've tried to replicate this on both Mac and Windows but so far I've had no luck. Your crash report would be more than useful :)
https://www.dropbox.com/request/sl5BAFF4EfIS04jEzvgp

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5 minutes ago, Dan C said:

Your crash report would be more than useful :)

Sent to your dropbox just now.


Affinity Photo 1.7.3, Affinity Designer 1.7.3, Affinity Publisher 1.7.3; macOS High Sierra 10.13.6 iMac (27-inch, Late 2012); 2.9GHz i5 CPU; NVIDIA GeForce GTX 660M; 8GB RAM
Affinity Photo 1.7.3.155 & Affinity Designer 1.7.3.1 for iPad; 6th Generation iPad 32 GB; Apple Pencil; iPadOS 13.1.2

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Hey R C-R,

I've got the crash log waiting to go to development but I was wondering if this is something you can reproduce again? I've just spent 10 minutes toggling Light UI on and off and it refuses to crash. This is with my Histogram covering the entire width of my screen.

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4 minutes ago, Chris B said:

I've got the crash log waiting to go to development but I was wondering if this is something you can reproduce again?

So far, it is just a one time thing that I have not been able to reproduce.

Probably not of much help but I noticed that the one time it did happen, it took an unusually long time to toggle from my usual dark style to the light one -- something like 5 seconds instead of almost immediately -- & the crash happened when trying to switch from that back to dark.


Affinity Photo 1.7.3, Affinity Designer 1.7.3, Affinity Publisher 1.7.3; macOS High Sierra 10.13.6 iMac (27-inch, Late 2012); 2.9GHz i5 CPU; NVIDIA GeForce GTX 660M; 8GB RAM
Affinity Photo 1.7.3.155 & Affinity Designer 1.7.3.1 for iPad; 6th Generation iPad 32 GB; Apple Pencil; iPadOS 13.1.2

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Hi,

Workbook update..

I've logged that the screenshot on p.31 will need to be looked at on reprint (changing from white to light blue). The 'white' area is implied to be luminance as the text on the left spread states "The Histogram Panel shows the distribution of Red, Green, Blue and Luminance values for the image, layer or current marquee selection."  

Cheers

Andy

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1 hour ago, acapstick said:

Workbook update..

I've logged that the screenshot on p.31 will need to be looked at on reprint (changing from white to light blue).

Couldn't we get the code changed to go back to the way it was before, Andy?

Seriously, why change to blue for luminance, which forces us to figure out each time which of the two blue sections is Blue, and which is Luminance?
image.png.730cf44de2d0de089e3d88c0fb603ca7.png

Or, in Light UI:

image.png.e37a5abe5212846832dde51dad5711c7.png


-- Walt

Windows 10 Home, version 1903 (18362.356), 16GB memory, Intel Core i7-6700K @ 4.00Gz, GeForce GTX 970
Affinity Photo 1.7.3.481 and 1.8.0.486 Beta   / Affinity Designer 1.7.3.481 and 1.8.0.486 Beta  / Affinity Publisher 1.7.3.481 and 1.7.3.475 Beta

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Hi Walt, 

This is with the Photo lead developer to decide what to do. I've mentioned on our internal fault reporting system about the implications when using light UI so I'd imagine they will consider that.  The workbooks will change to reflect the UI, i.e. whatever works for both UI styles.

\AndyC

 

 

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Please encourage the Photo developers to return the histogram luminance channel to white or light gray. The change to blue did not enhance the user interface, it made it more confusing. Thank you for your consideration.

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