Lightroom :: 4 - Support For 30 Bit (10 Bit / Channel) Color?
Mar 23, 2012
I wonder if there's a support for 30 bit color-capable displays (with compatible graphics card and driver, of course...) in Lightroom 4...
I have a NEC PA241W monitor and FirePro 5800 graphics card at my workplace --> which work well with 30 Bit color depth in Adobe PS CS5.0.4.
Since Lightroom 4 requires an "OpenGL 2.0" compatible graphics card it's obvious, that OpenGL is used now (I think LR3 didn't..?). If LR4 is able to handle 30(48) bit color depth(?)
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Jul 27, 2013
I'm about to make a significant investment in GPU and monitor if LR5 supports 10-bit color.
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Feb 9, 2013
if Lightroom supports 10-bit color. I know it supports ProPhotoRGB and 16-bit image files.
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Jan 2, 2013
Does PS11 give full support to 16bit per channel layers. what additional layer features does CS6 provide?
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Apr 2, 2013
ou have to hover over the image to see the real images. The images embedded in the webpage have their profiles stripped -- just like photoshop does! Interesting.how photoshop doesn't support color profiles in png's.
But now I have a great one.this is with the correct color profile and displays correctly in firefox and probably other browsers -- also displays correctly on windows desktop and in large-icon view.
Ok, grab that image and try to read it into photoshop..I do, and get no warning on profile mismatch like I do on jpg's or tiff's:photoshop strips the existing profile and adds sRGB which isn't the correct profile. This is how photoshop transforms good colors into bad:
Completly screwed up.I have had multiple people notice how my png saved images from photoshop had "off" or bad colors -- usually washed out in comparison w/my monitor profile.I can get 'ok' results if I flatten the image and *convert* my existing profile to sRGB -- and I usually get something that looks 'acceptable'...though the jpg's render in accurate color.
Basically, photoshop can't read or write png web images. and maintain color fidelity unless they have no profile. Even if they have an sRGB profile, I usually get washed out looking pics if I don't strip it but let adobe convert it.
In googling for my own problem, I found references to this problem in Adobe Photoshop going back to 2002.They could fix it with a file plugin for existing CS5-6 users, but it really needs to get fixed and Adobe needs to stop ignoring this problem.I find this extra depressing because I prefer to distribute my pictures losslessly in png, but with photoshop, I'm left with lossy jpegs to get accurate color reproduction.
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Jul 27, 2012
I have just lost proper color in my CS5 suite and it appears that I dropped a channel (red?). I did not change my profile and trying to do so has no effect.
Color is correct in all other programs and my monitor is correctly calibrated using Huey Pro. Attached is a screen shot of a side by side of the same image displayed in IrfanView and in Photoshop.
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Nov 10, 2006
Color pencil is a transparent medium, most like watercolors; as a result, it is equivalent to the CYMK mode in Photoshop.
I'm working on an exercise to use only the primary colors in color pencil. If I am in CYMK mode in Photoshop, I can separate each channel to see how much pigment goes into each color. However, I would like to print it on a transparency IN COLOR, so I can superpose them onto each other to see each contribution in its original color.
But whenever I have only one channel left - say, magenta - the image appears in grayscale.
Is there a way to have each channel show up only in its own color, rather than in grayscale?
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Feb 3, 2011
I'm a GP2 modder and as of now I'm using just PDN for edeting cars and stuff. GP2 has its own pallette of 256 colors.
Is it possible to load a *.pal-file into PDN? And is there a awy to expand the color-pallette shown in the color window? Is it also possible to save .*bmp with one special 256 pallette?
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Sep 8, 2012
How to make a Spot Color Channel on Photoshop? I am using this image as an example. The blue color in the background needs to be printed mostly with a spot color that is close to the original painting color (ex: Pantone Blue 072C) . But the CMYK color still should be present in within the blues to resemble the subtle nuances of the brush strokes. I can’t figure it out on my own.
For more samples of painting images, go to
[URL]..........
The reason I am doing this is because the artist’s works were represented on many publications over the years from many different countries. And we found out that CMYK color alone cannot duplicate the blue color very well (I mean the blue only, no problem with other colors). I know, it is hard to believe, but if you see all the publications and compare it to the original art, you would see the huge difference in color saturation and luminosity. That is the reason, I think it is necessary to use a spot blue for an upcoming catalog of the artist.
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Nov 18, 2013
I accidentally had my files marked at 16 bits/channel, went ahead and saved them as jpegs. Got a software prompt prior to saving that said "File must be saved as a copy with this selection." I did not know what it meant. I went ahead with the save. Now I am realizing my mistake because I have tried printing my images at a lab and the colors are WAY off. Very gray and horrible. I have my master files saved as psd files as well and have opened those, changed the bits/channel to 8, tried to print and the colors are still awful. I have many files that were saved this way. There has to be some kind of a fix without me having to re-edit dozens and dozens of photos.
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Sep 9, 2004
For a long time I have been struggling to find a good workflow for what I would call "multi channel color separation". What I want is to reduce a full color RGB image into an image with only a limited number (e.g. 5-8) well-chosen colors, for instance to use as set of masks for screen print. (I'd also like to use this as an effect in itself, mimicking a typical 'screen print' or 'litho' effect on an inkjet print)
The idea is to create a set of monochrome layers or spot color channels. Colors are to be selected by myself (so not necessarily RGB or CMYK). Each channel/layer has to be a continuous tone that I transform myself into a dedicated half tone screen (e.g. with the Andromeda screen filter).
Till sofar it is clear to me. My issue is: How to separate the image in the predefined set of colors?
I can not just select a color range: I can adjust a "tolerance" but that is too general. I need the pixels of with a specific hue but with the full range of lightness (e.g. all the purple pixels that range from dark/medium purple to very light purple). The dark colors can be made dark with a black channel. I'm not sure how to deal with the saturation range.
An approach that gives sometimes a result that is to some extent acceptable is to transfer from RGB mode to an Indexed Color mode and use a custom palette. However, this does not give much control on the halftone screening process.
I envision for instance an approach of filling a layer with a solid given color, select in one way or another only those parts that correspond to the original image and subtract that layer somehow from the image. This process is then to be repeated for each color. Up till now I have not been able to figure the right options to do this. But maybe there is a better way to do it.
One final wish: it would be great if the process can take into account that some layers in the final print are (semi-)transparent. In my opinion this would exclude just selecting a color and deleting de pixels.
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Jul 13, 2005
I creat an alpha channel it shows up as white on my Photoshop Version 6 while my friend's alpha channel comes up in black on Photoshop CS. Obviously each is a default setting. How do you change the alpha channel color from white to black and vice versa.
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Jun 17, 2004
I've got a cmyk image with nothing in the black or the cyan channels.
All I was wanting to do is make the yellow channel black and the magenta channel brown.
So, the yellow channel prints in black and the magenta channel prints in brown.
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Oct 23, 2013
Is paint.net v4.0 still promising color and alpha channel editing / masking?
I'm sure I read this in the roadmap feature list years ago, though I can't find the place to reference it. In fact this is my favorite anticipated feature for which I've been checking paint.net every month for the last five years!
I eagerly downloaded the 4.0alpha but see no sign of color channels to go with layers
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Mar 20, 2012
I'm using the 3D render engine vray, using its multimatte render element which assigns mattes of certain materials (or objects) in the scene to a channel: R, G, or B.
I'm curious about the best way to composite once I have this file rendered out. The simplest way I can think of is doing a color range selection on the matte channel's solid color, then using that selection to modify my image as necessary. But I have used After Effects to do this also, and there is a "channel select" effect that extracts the channel and converts it to an alpha mask in one step... makes me think there's a more elegant way in Photoshop as well.
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Jan 27, 2013
When I save an OIL PAINT file created in Photoshop CS6, it saves with red and blue shapes over the image. Before saving, the image looks fine. I'm running windows 8. Is it me or a CS6 bug?
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Feb 13, 2014
I'm experimenting with a digital IR camera. The images are very "magenta" in color and everyone states to simply "swap the Red and Blue" color channels. How can this be done in Paint.net? Is there a plugin that would process IR color pictures?
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May 31, 2013
Seen this error message, 'Organizer does not support color space in the file'?
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Nov 12, 2012
I want to change in CS6 the thumbnails for the red, green, and blue channels from color to black and white. How is this done?
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Aug 2, 2004
I'm working in the multi-channel format, which as you may know, does not support layers.
Does anyone have any tips on experimenting with the layout, without the use of layers?
At the moment, I've been working out the layout in another (layer-supporting) colour mode, and then recreating that layout in the multi-channl mode.
Surely there is a better way of testing different layouts, within the multi-channel mode itself? I'm finding it very inflexible at the moment.
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Mar 28, 2013
I need to print a document with partial UV-spots, and cannot figure out how to make my Illustrator document ready for print!
The online print center guides me to: create a 'seperate print channel' for the specific elements in my document i want covered, with either a '5th color or a special color' set for 'over-print and 100% color'.
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Jul 26, 2013
I am a screen printer and I print my separations from Photoshop. I routinely work with multi channel files or RGB files with additional spot color channels. I have created actions to place my registration marks, re-size images, etc to get ready to print but I manually have to create the text labels for each screen if they are missing from the original artwork.
The files I work with have channels named as "Base White, Red, Green, 284 Blue" etc indicating the ink color. What i would like to be able to do is click an action that would copy the text from the channel name and insert it into a separate or each/all channels near the top of the file so that when I print each positive it has a corresponding label for ink color.
I am not sure if this is even possible, and I am limited on my knowledge when it comes to actions and have pretty much got lucky in the past getting them to do what I want without unnecessary steps.
On my registration target action it creates a new channel with each individual reg mark then combines them into one separate channel in which I just copy the contents and select all the ink channels and fill with black to make them appear, i'm happy with the steps it takes as it isn't too much trouble and if this could do the same with labels I would be happy with that.
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Jan 2, 2014
Just made sure updates for the video card and all the hardware were current and still getting this problem where when I go to adjust a channel of video a random frame from the below channel will insert itself into the clip that I just moved as if it was married into the source footage.
Adobe Premiere Pro
Running an nVidia 660 with 331 drivers installed
Win7 64 bit ultimate
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Nov 21, 2012
This question is more theoretical, as I have found a work around. On a layer, I have a gray color, which I sample, and it becomes the desired Foreground color.
I would like to Fill a Selection in an Alpha Channel with this gray color.
However, when I view the Alpha channel, my forground color is lost to black/white, which I understand, as the Alpha channel is a gray scale image.
But, I am able to sample a gray Swatch to make a Foreground color, but how can I preserve my chosen Foreground gray selected from a Layer? The only way that I know would be to make a new Swatch, and then use that when I am in Channels.
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Apr 20, 2012
There seems to be tons of threads on how to make a transparent image, but I haven't been able to fine one to do one specific thing.
How do I set the alpha channel to be black? I want to have a black background on a png file, but I need the black to be transparent to things behind it on a webpage.
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Sep 26, 2012
How can I get the channel subassembly to attach to the assembly insertion point at the channel flowline marker? I need the flowline to follow my profile elevations.
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Apr 11, 2012
I'm being a bit premature but when could we possible see support for the Olympus OM-D EM-5?The camera is getting in the hands of the consumer and would love to have LR support it
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Mar 15, 2014
Some of the main features of Lightroom are reasons for buying it in the first place. Adobe's refusal to support this well known and highly rated camera reveals something about a business model which ignores the needs of their customers. If I buy another camera next year why should I suppose that Adobe will deign to support it?
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Feb 2, 2014
I have LR 4 and now I have bought a Canon 70D. Lightroom said it was unable to interpret the RAW files and directed me to get an update. I have updated to 4.4 and still have the same problem. How can I get my RAW files into Lightroom 4?
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Jan 24, 2014
Does Lightroom 5.3 FULLY support Canon 70d raw?
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Oct 19, 2013
I can't finda list of cameras that are supported in LR5. There is a list for LR4but not LR5. In particular I have three cameras that all work withtethering but I don't have any working software to use thisfacility.
Canon G10
Leica DIgilux 2
Both these cameras came with tethering software that was subsequently dissabled in software updates (Not firmware updates)
I also have the EOS-M and for reasons I don'y understand Canon won't let EOS utility operate the camera even though this functionality exists within the camera because CaptureOnesupports EOS-tethering.
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