Histogram Shadow Clipping Indicator - What do the colours indicate?

To see what colours in the shadows are clipping to zero, and exactly where they occur in your image, you can hold down the Alt (Windows) or Option (Mac) key and move the Blacks slider to the left (in ACR 7.x and 8.x).
To quote from the top of page 206 of Jeff Schewe's and Bruce Fraser's 'Real World Camera Raw with Adobe Photoshop CS5' (which deals with ACR 6.x - but AFAIAA nothing has changed in ACR 7.x or 8.x), you interpret the displayed result as follows:
"Unclipped pixels display as white. The other colors show you which channels are being clipped to level 0. Cyan pixels indicate red-channel clipping; magenta pixels indicate green-channel clipping; yellow pixels indicate blue-channel clipping. Red pixels indicate clipping in both green and blue channels; green pixels indicate clipping in red and blue channels; and blue pixels indicate clipping in red and green channels. Black pixels indicate that all three channels are clipped."
Does the same result hold true for the colour of the Histogram Shadow Clipping Indicator?

Thanks, Eric. I'll check out your suggestion about the point curve.
I've already started to do some testing of my own, based on the Histogram's reaction faced with simple images composed only of various combinations of pure (fully saturated) Black, White, Grey (dark, mid and light), Red, Green, Blue, Cyan, Magenta and Yellow. The results so far are a little surprising, but I'll report in full when I've had the chance to complete the test.

Similar Messages

The black "show shadow clipping" indicator not extinguishable. What can be done? I tried the obvious. There is no evidence of clipping.

The black "show shadow clipping" indicator not extinguishable. . What can be done? I tried the obvious. There is no evidence of clipping.
Lightroom version: 5.6 [974614]
License type: Perpetual
Operating system: Windows 7 Ultimate Edition
Version: 6.1 [7601]
Application architecture: x64
System architecture: x64
Logical processor count: 8
Processor speed: 3.3 GHz
Built-in memory: 16364.3 MB
Real memory available to Lightroom: 16364.3 MB
Real memory used by Lightroom: 1055.2 MB (6.4%)
Virtual memory used by Lightroom: 1071.8 MB
Memory cache size: 2.0 MB
Maximum thread count used by Camera Raw: 4
System DPI setting: 96 DPI
Desktop composition enabled: No
Displays: 1) 1920x1080, 2) 1920x1080
Application folder: C:\Program Files\Adobe\Adobe Photoshop Lightroom 5.6
Library Path: C:\Adobe Lightroom Catalogs\2014_05_31 (3).lrcat
Settings Folder: C:\Users\XXXX\AppData\Roaming\Adobe\Lightroom
Installed Plugins:
1) Canon Tether Plugin
2) Facebook
Config.lua flags: None
Adapter #1: Vendor : 1002
Device : 6739
Subsystem : 25201462
Revision : 0
Video Memory : 1003
AudioDeviceIOBlockSize: 1024
AudioDeviceName: Speakers / Headphones (IDT High Definition Audio CODEC)
AudioDeviceNumberOfChannels: 2
AudioDeviceSampleRate: 44100
Build: Uninitialized
CardID: 26425
Direct2DEnabled: false
GPUDevice: D3D
MaxTexture2DSize: 8192
OGLEnabled: true
Renderer: AMD Radeon HD 6800 Series
ShaderModel: 11.1
Vendor: AMD
VendorID: 4098
Version: 1002:6739:25201462:0000

First off, this image is not a raw image. It is a compressed small-raw of some sort so Adobe's normal demosaicking algorithms are not being employed, and Adobe is having to reverse engineer R, G, B channels from Y, Cb, Cr channels, so something may be non-optimal this conversion.
Secondly, at least with this non-raw Y, Cb, Cr image, there are some Y pixels that have zero value in the file, so no matter what you do, other than adjusting the bottom of the tone curve above zero, they will be clipped.
It also seems that the clipping indicator triangles are not affected by the Detail settings so turning off any noise-reduction or sharpening is required show you which pixels the clipping triangle is keying off of.
Here is your image opened in an RawDigger which is a raw analysis program that indicates the Y channel does have a minimum value of 0:
Here is a screenshot of LR with a very small crop on the shadowed background area above the performers, with the Detail settings turned off--no noise reduction or sharpening, and the Toning settings as bright as possible, and in that small crop area, there are a few black pixels that are highlighted blue if I turn on the clipping indicator, so it's not surprising, that with this image, at least, the black clipping indicator doesn't turn off very easily. In this side-by-side, they have the same settings, but the Before image is without the clipping indicator and the After image is with the clipping indicator engaged so you can see the 4 pixels that are 0 in the tiny cropped area:
Here is a DNG of the settings as in the above LR screenshot, other than the embedded preview that appears to be the entire image not the tiny cropped area:
https://dl.dropboxusercontent.com/u/9905000/Dab_143378_smallcrop_maxedtoning.dng

Highlight/Shadow Clipping Indicator - Show the image too.

The highlight/shadow clipping indicator feature (Alt/Exposure or Alt/Blacks on my PC. Not sure what it is on a MAC)is marvellous and indispensible. But, it could be better, in my view.
When you are checking for clipping using this feature, the image disappears leaving you with only the clipped pixels. Everything else goes black.
The problem is that you only see the effect of your decision on how much clipping you want to allow (if any) when you take you finger off the Alt key.
It is vital, particularly when judging shadow clipping, which is so important in setting the overall contrast of the image, to be able to see the effect of your actions in real time. These actions can be so subjective.
So, would it be possible for the highlight and shadow clipping (i.e. the blown pixels) to appear in the form of a colour on the image, *but* keeping the image visible at all times?
Thinking about it further......it would be great to be able to switch between 'blacked out' and visible in Preferences, or some such.
Thanks.
D.

>Just curious though, where on the Adobe site would I have found this extremely useful piece of information?
You might start with Photoshop help, which explains those controls and directs you to a
Video Turorial on the Adobe web site.
While the help is well done, ACR is a pretty complex topic, and for a more in depth coverage I would recommend the latest edition of Bruce Fraser's Real World Camera Raw, which Jeff has updated and will be available soon.

What does the coloured whirly thingy mean when my desktop is soo slow?

What does the coloured whirly thingy mean when my desktop is soo slow?

It would help us to help you if we could have some more technical info about your iMac.
If you so choose, please download, install and run Etrecheck.
Etrecheck was developed as a simple Mac diagnostic and reporting tool by a regular Apple Support forum user and technical support contributor named Etresoft.
Etrecheck is a small, unobstrusive app that compiles a static snapshot of your entire Mac hardware system and installed software.
This is a free app that has been honestly created to provided help in diagnosing issues with Macs running the new OS X 10.9 Mavericks.
It is not malware and can be safely downloaded and installed onto your Mac.
http://www.etresoft.com/etrecheck
Copy/paste and post its report here in another reply thread so that we have a complete profile of your Mac's hardware and installed software so we can all help with your Mac performance issues.
Thank You.

TS1702 Some apps have a "+" symbol on the "free" download button in the apps store. What does the "+" symbol indicate?

Some apps have a "+" symbol on the "free" download button in the apps store. What does the "+" symbol indicate?

Means a universal app - one designed to work on both the iPad and iPhone/iPod touch.

What do the icons indicate next to the pages in the sidebar?

Specifically, what does the icon of the silhouette of a person mean? I created a website over a year ago and went back today to update for the first time in forever. When I duplicated a few pages somehow the icons, instead of being little blank, red squares, had a silhouette of a person's head/shoulders.
Then, when I tried to publish it to a folder on my hard drive, it said that it was successful, but my new pages aren't in the folder. I clicked "replace everything" but my new stuff won't show up.
Any thoughts?

No Nickname wrote:
What do the icons indicate next to the pages in the sidebar?
They indicate which style of page template it is. When you create a new page in iWeb, you have a choice of eight page templates within each theme.
Specifically, what does the icon of the silhouette of a person mean?
It means the page is an "About Me" template.

What do the colours mean???

Hi,
I've searched in the help, but I can't find the answer to the below:
what do the different colours for the pages in the site organizer mean?
I have blue ones and I have red labelled pages. not sure why they are different?
I apologize if this is a crazy question, but the reason I ask is b/c I have a blue movie page and a red movie page. the red one doesn't play the movie right so as part of my troubleshooting, i'm trying to figure out if the colours have meaning for me.
thanks in advance.
Keebler

Pages/sites which you add or change will display in red in the Site Organizer until you next publish. They change back to blue when publishing and saving finish. It is mere coincidence that there's a problem with the movie on your red page.

Remove Child and Event.SOUND_COMPLETE not working inside movie clip. What's the problem?

I have a movie clip that is called to the stage. The user then clicks a button and music plays. As the music starts, another movie clip is called, a simulation of an equilizer. There are several things that should happen:
1) When the user closes the movie clip the music is supposed to stop playing and the equilizer movie clip is removed. What actually happens is the music stops playing but the equilzer movie clip is not removed.
2) When the music is finished playing the equilzer is supposed to be removed from the stage and the play button is reactivated. But none of that happens. When I click on the movie clip a second time equilizer is still there and the play button is not reactivated.
Here's the code that calls the movie clip to the stage.
stage.addEventListener(MouseEvent.MOUSE_DOWN, goButtons);
function goButtons(event:MouseEvent):void
    if (event.target == Song_bnt)
        SoundMixer.stopAll();
        addChild(myPlaySong);
        myPlaySong.x = 304;
        myPlaySong.y = 105;
        //event.stopImmediatePropagation();
Here's the code in the movie clip:
import flash.media.Sound;
import flash.events.Event;
stop();
var playRayJaySong:RJSong;
var playRayJaySongChannel:SoundChannel;
var equilizer:Equilizer;
equilizer = new Equilizer();
playRayJaySong = new RJSong();
//Plays music, inactivates buttons, and adds the equilizer to the stage.
PlaySongRJClip.addEventListener(MouseEvent.MOUSE_DOWN, songPageButton);
function songPageButton(event:Event):void
    playRayJaySongChannel = playRayJaySong.play();
    PlaySongRJClip.visible = false;
    ClicktoPlaySong.visible = false;
    addChild(equilizer);
    equilizer.x = 269;
    equilizer.y = 246;
//Removes the equilizer from the stage when the music is complete.
PlaySongRJClip.addEventListener(Event.SOUND_COMPLETE, rjSoundComplete);
    function rjSoundComplete(e:Event):void
    PlaySongRJClip.visible = true;
    ClicktoPlaySong.visible = true;
    removeChild(equilizer);
//Removes the equilizer and event listeners from stage and calls dispatch event to close the movie clip.
closeSong_bnt.addEventListener(MouseEvent.MOUSE_DOWN, CloseSong);
function CloseSong(event:MouseEvent):void
    removeChild(equilizer);
    dispatchEvent(new Event("RemoveMSong"));
    PlaySongRJClip.removeEventListener(MouseEvent.MOUSE_DOWN, songPageButton);
    PlaySongRJClip.removeEventListener(Event.SOUND_COMPLETE, rjSoundComplete);
//Removes the MovieClip from the stage when the user clicks on the close button inside the MovieClip.
myPlaySong.addEventListener("RemoveMSong", RemoveSongClip);
function RemoveSongClip(e:Event):void
    SoundMixer.stopAll();
    removeChild(myPlaySong);
Any thoughts?

I figured out the problem. Here's how I reorganized the code (all in one frame).
//Code for Ray Jay song.
var playRayJaySong:RJSong;
var playRayJaySongChannel:SoundChannel;
playRayJaySong = new RJSong();
myPlaySong.equilizer_inst.visible = false;
//Plays the song.
myPlaySong.PlaySongRJClip.addEventListener(MouseEvent.MOUSE_DOWN, songPageButton);
function songPageButton(event:Event):void
    playRayJaySongChannel = playRayJaySong.play();
    playRayJaySongChannel.addEventListener(Event.SOUND_COMPLETE, rjSoundComplete);
    myPlaySong.equilizer_inst.visible = true;
    myPlaySong.PlaySongRJClip.visible = false;
    myPlaySong.ClicktoPlaySong.visible = false;
//Removes the MovieClip from the stage when the user clicks on the close button inside the MovieClip.
myPlaySong.closeSong_bnt.addEventListener(MouseEvent.CLICK,RemoveSongClip);
function RemoveSongClip(e:Event):void
    SoundMixer.stopAll();
    removeChild(myPlaySong);
    myPlaySong.equilizer_inst.visible = false;
    myPlaySong.PlaySongRJClip.visible = true;
    myPlaySong.ClicktoPlaySong.visible = true;
    playRayJaySongChannel.removeEventListener(Event.SOUND_COMPLETE, rjSoundComplete);
//Resets all of the movieclips to their orginal state.
function rjSoundComplete(e:Event):void
    myPlaySong.equilizer_inst.visible = false;
    myPlaySong.PlaySongRJClip.visible = true;
    myPlaySong.ClicktoPlaySong.visible = true;
Thanks all for your suggests and input.

Clipping indicator wont turn off

Okay, so I recently updated to ACR 6.7.
Since then everytime I open an image there are clipping indicators that won't turn off.
I know about the usual highlight and shadow indicators (pressing "o" and "u" respectively) and when i turn these on the other stuff disappears but if I turn these off then I get what I can only describe as less dramatic clipping indicators i.e. they are not just red but varying shades of purple and green.
Any ideas what these are? Will try post some screenshots if needed.

Had the opportunity to delve into the highlight clipping issue, and found another interesting anomoly. With ACR set to 100% to eliminate any display issues you can see in the first image the highlight clipping indicator with all the controls set to zero; which is what I would expect to see, and the highlights while hot, not too hot and moving the highlight control to the left as seen in the second image, the highligh clipping indicator is off with the highlight control set at -45 again with all the other controls set to zero
The second image shows no highlight clipping...
Now still reducing the highlight contol to -85 with all the other controls set to zero; and guess what? The highlight clipping indicator turned back on, not expected behavior.
So while we have an anomoly with the indicator, do we also have a problem with the highlight control itself?
I checked with the color picker and the highlight values with the control set at -45 showed R=254 G=254 B=254 not quite pure white, but still a blown highlight, but with the control set at -85 the RGB values increased to R=255 G=255 and B=255 which is pure white. At -45 there were some values lower than 254 but those increased to pure white wheras I would have thought they would have reduced in value as you further move the highlight control to the left
Not sure if this will help Eric and team, but a few more datapoints.....
Mike

Can you change the colour of an 'image' bounding box?

This concerns bounding boxes not 'strokes'.
Is it possible to customise the default colour of a bounding box around an image?
I know that the default 'rectangle image frame' matches the Layer colour (eg: Layer 1 - Light Blue, with an the image bounded by a brown box) which is easily changed by moving it to another layer (eg: Layer 2 - Red, which displays an image bounding box of Cyan). What defines the colour of the bounding box of an image that is placed inside the 'rectangle image frame' and can it be changed?
I have no real necessity to change it, I just wondered if it was possible?
Steve

I'm not sure you understand the terminology.
The bounding box is an imaginary rectangle that encloses the shape of an object or group of objects. For a simple graphics frame this is the same size and shape as the frame and is poisitioned on the frame edge (and it's what you see when you select the frame). The bounding box is used for calculating object positioning. When dispalyed, it takes on the color assigned to the layer.
The frame edge is also fictitious. It's a screen display aid that can be tuned on or off to help you locate objects and also uses the color assigned to the layer. It corresponds to the path that describes the edge of the frame, so might not be rectangular (a bounding box is always rectangular).
The stroke is an attribute assigned to the path describing the perimeter of a closed object or the path itself of an open path. Stokes can be assigned a weight, color, and stroke style such as dotted or striped.
An image placed inside a frame has it's own bounding box, but not a frame edge or stroke. To see the image bounding box use the direct select tool to select the image inside the frame. If you crop an image so it is larger than the containing frame, or or enlarge the frame so the image does not completely fill it, you can see the differnce between the bounding boxes very easily. The color of the image bounding box is also tied to the layer color and is not editable by the user.

What does the bit depth symbol mean (*, #,..)?

In the title bar of the image in PS (CS3 on Vista 32b, in my case) it is indicated what "mode" the picture is in (Image>Mode), eg for an RGB picture with 16 bit color depth it says "[file name] @ [scaling] (RGB/16)".
The bit depth can be followed by various symbols. I have seen for example:
(RGB/16*)
(RGB/8#)
What do those symbols (*, #,...) mean?

They have to do with color profiles, not bit depth.
http://www.earthboundlight.com/phototips/photoshop-pound-sign-asterik-title-bar.html
i "If you see an asterisk (*), it means your image is in a color profile other than your working space default...If instead you see a pound sign (number sign, #), it means your image has no color profile associated with it."

Why does attaching my design to yahoo mail change the colours?

Hi there,
Sorry if I'm being stupid here - I'm quite new to AI and still getting my head around the colour profiles. I've just done a design that I need to get printed, so made sure it was in CMYK from the start. My friend (who is getting it printed) wanted the design as a jpeg, which exported fine on my mac, the colours look as they're supposed to (watercolours, so not overly bright), but when I attach it to an email (and when I uploaded it to this forum as well), this is what happens - the colours going all fluro.
I'm sure it's something really simple that I just have no idea about - hope someone can enlighten me!
Thanks,
Olivia

Sure it's something simple, but since you haven't provided any exact info about your procedures, we can't really know. Presumably they are simply stripping all color profile information and/ or doing some unwanted server-side recompression and conversion to RGB. That being so, the answer would be to pack your file into a ZIP or create a PDF which they may simply leave alone. Otherwise of course as with all CMYK content it doesn't do you any good if your own system isn't calibrated and you do not use the correct profiles just as the same your friend needs to work calibrated. Else there would be no point to it.
Mylenium

Blue Lightning Bolt: what's the rgb value?

I'd like to try to create a graphic that would allow me to hide that hideous thing. Does anybody know what's the colour?
(now that i think about it i might take a picture of it, and colour picking it..)
well, please guys let me know if you know it, i hope my ideas of creating a background of the same colour, or with stripes.. will help you out.
thanks for your help in advance,
Antonio

Generally speaking you want to make the whitest thing in an image *just* pure white in an image, but that could change depending on the image. You could imagine an evening image (e.g., around sunset) where the brightest things would be orange and should stay at least a little orange.
-Noel

Change the colour of lines in the same string indicator.

Hi everybody,
I'm getting crazy, because I'm looking for the way to change the colour of
the lines I want in the same string indicator.
I'm doing an application to control an instrument by serial port, and I'm
concatenating the lines that this instrument gives me, but there is some
line that I would want to change its colour, because there has been an alarm,
for instance. And I only can change all the string.
Is there any way to do this? I don't know.
Could you please help me?

Thank You Very Much.
The fourth step is a little bit difficult to understand, but what I've done
is all the three first steps, and in the fourth one I've made an array (I32)
of the lines that I don't want to highlight and connect it to Disabled �tems.
Do you think this is a good solution?
Thank you again for your help. I really needed someone to help me, because
if not I would still be with the STRING INDICATOR.
Timothy John Streeter wrote:
>Hi Carlos>>I'm sorry for being too brief with the last email.>>1) Place
an 'Multiple Selection Listbox' on your front panel.>>2) Create an attribute
node. Make the attribute 'Item Names'.>>3) Put every completed line into
the last element of an array, and then pass the array
>to the attibute node. (This build the list>of strings in the Listbox).>>4)
To highlight a line, make an array containing the line numbers (I32) that
you want
>highlighted and pass it the terminal of the>Listbox.>>Hope this is more
helpful>>Tim>>Carlos Jorge wrote>> Thank you for your help, but I don't
understand what you have told me. What>> I have to pass to the indicator
node, and what is this indicator node? My>> problem now is the last thing
I have to do.>>>> Could you please explain my doubt with more detail?>>>>
Thank you a lot.>> Timothy John Streeter wrote>
>Hi Carlos>>Try using a 'Multiple Selection List Box' indicator instead of>>
a string indicator. You>> >can highlight a line by adding the line>number
to an array and pass it to>> the indicator node.>>Tim>>Carlos Jorge Granadino
wrote>> Hi everybody,>>>>>> I'm getting crazy, because I'm looking for
the way to change the colour of>>>> the lines I want in the same string indicator.>>
I'm doing an application>> to control an instrument by serial port, and I'm>>
concatenating the lines>> that this instrument gives me, but there is some>>
line that I would want>> to change its colour, because there has been an
alarm,>> for instance. And>> I only can change all the string.>> Is there
any way to do this? I don't>> know.>>>> Could you please help me?>>

Add ability to use raw data in the Histogram and clipping indicators

I have posted this as an ACR and Lightroom Feature Request at the Photoshop Family site.
http://feedback.photoshop.com/photoshop_family/topics/raw_data_histogram_display_lightroom _and_adobe_camera_raw?rfm=1
It was suggested I also post it here to for more visibility.
"The current Histogram display in Lightroom and Adobe Camera Raw accurately display the file image data for JPEG, PNG, PSD, TIFF file types, but not for raw files.
When a raw file is demosaiced and a camera profile applied it is no longer possible to determine the actual R-G-B-G2 raw data clipping levels. This is useful for determining best exposure settings (ETTR) when shooting tethered, evaluating exposure bracketed images, or for simply determining your camera's exposure metering accuracy.
This can be added as a user-selectable option button in the current Histogram to allow viewing of the camera file's R-G-B-G2 raw data values."
This has been requested in the past, but there appears to be mixed feelings and some confusion as to its benefits:
http://forums.adobe.com/message/3967184#3967184
The sole objective of using the raw image file data in the Histogram is to determine if the image file contains clipped pixels. The actual raw data preview image is of no value other than to "accurately" display those pixels using the Highlight and Shadow clipping indicators. A good example of this implementation is the RawDigger application available for download here:
http://www.rawdigger.com/

Yes but it can be problematic in so far as some users find it can slow down their system. When you first switch it on it can take a while for all your files to be updated. If you're in the habit of making edits and adjustments to multiple selected images this too can slow things down. Anyway, to activate the it you'll, need to open
Catalog Settings from the
File menu, then set the
Metadata: Automatically write changes into XMP to On - see attached screenshot.

Histogram Shadow Clipping Indicator - What do the colours indicate?

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