Photoshop :: Curves, Channels And Paths (Questions!)
Nov 7, 2004
I think I fully understand what levels are, and I no longer just mess with the sliders til I get what I want. I know what each does and how to use the ALT key modifyer to detect clipping. But I got some questions about other Photoshop (*choir sings*) features..
I don't understand what these are. Are they like levels for colors? I notice there is a Red, Green and Blue curve adjustment, but I'm not sure what it does and how to read the graph where I put dots and curves on to modify the Color Curve.
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Dec 23, 2002
In some tutorials they make selections and store them into a channel. In others they use the pen tool and store the selection as a path.
Are these two ways or doing the same thing or they have different uses?
What are the pros and cons of each one?
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Mar 17, 2003
I need to send vectorized art to this company that only uses Illustrator. I have never used or even opened Illustrator. Ok, I'm very familiar with Freehand so I get the basic idea about vector. I have a 3 color logo that I have saved as a Photoshop DCS .eps file with the channels saved as spot colors so I can print separations with Pantone colors. According to what I have translated from the Photoshop guide what I need to do is figure out how to get my clipping paths of each channel to retain its fill when I export paths to Illustrator. I've tried and when I open the vectorized paths in say Freehand there is only lines and no fills. Do you guys have any ideas on how I can get these file seperations to this company with Illustrator?
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May 14, 2012
I cannot bring up Layers, Channels, or Paths. Running Gimp 2.6.10 on a Windows 7 machine. Selecting Windows...Dockable Dialogs...Layers or Channels or Paths does not bring up a new dialog window. Also there is nothing in Windows...Recently Closed Docs
This occurs regardless of image file opened. Not sure how long this has been the situation as I have not been using gimp on the computer where this problem is occurring for a couple months. Am not an advanced user though have used it occasionally for years. All other Selecting Windows...Dockable Dialogs... actions bring up window boxes normally. Tab does toggle display for the Toolbox etc. Just Layers, Channels, or Paths have an issue and I suspect it may have occurred because they were sharing the same window box. I did reset Preferences.
I am able to readily create layers on top of a base image but without the dialog box, only have access to the last one created. Also can merge down the last new layer or flatten the image. My suspicion is gimp may be displaying the dialog box at XY coordinates beyond my monitor screen displayable coordinates. There is a configuration file that saves the last used settings that I can simply delete?
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May 15, 2013
How do you get the 'Layers, Chanells and Paths' tool bar to appear. I am running Xubuntu 12.04, Gimp 2.6.12 and it does not appear. Can not upgrade to 2.8 because Ubuntu Software Center does not have it. I need this sub-window to wotk with test-along path.
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Jun 3, 2011
where I can find the "/" short line shaped brush so I can fill paths and draw curves. If I make one brush myself, the final result would be pretty coarse, and need anti-aliasing of some sort. The line drawn by my custom made brush just ain't that smooth.
Also, I wanna have my line in gold color with the metallic feeling, other than green line. You don't have to write detailed procedure, just tell me where should I look.
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Feb 3, 2012
The Layers, Channels, Paths Dialog Window doesn't appear on my screen. Have tried everything I can think of.
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Jan 21, 2012
The Layers, Channels, Paths Dialog Window doesn't appear on my screen.
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Jul 11, 2012
I'm trying to take a shape from illustrator and have the iOS graphics engine draw it without having to import the file. In order to do this, I need to somehow get a text break down of all the bezier paths / curves / points that comprise the shape so I can tell the iOS graphics engine the points that need to be drawn. Is there anyway to get a list of these points from illustrator?
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Jun 29, 2006
What are they used for? I have been using PS for around 3 years primarly for web design and I have never used channels outside of loading a selection. I searched for more info; I mostly got tutorials that use alpha channels, but no real explanation as to what they primarly do.
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Feb 23, 2013
I am preparing a batch of images for test submission, for a stock photo library.Recently a person working for one of the visual effects studios in London happened to tell me that these strict agencies use some set of layers that can separate tonality and color values to check for banding, dirtiness, noise and all those technical flaws that the human eye can't notice on a monitor.He said they perhaps have an action for it so that they can review faster.
He said that it is known as 'Craze Curves' or 'Visibility Curves' technique.He further added that all the studios use it before giving the final files to clients so that there is no issue in printing afterwards.It is sort of a quality control check and has been used by digital and advertising agencies all over the world.
But now his email seems to have changed and I can't get in touch with him to know how to use the technique.
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Oct 20, 2008
There are some questions I have about screen redraw in CS4.
First off screen redraw without GPU acceleration is much slower than in CS3.
In the "advanced options" of the GPU settings there is the option "color matching".
If I turn it off I don`t have the option to softproof anymore. That is turning softproof on or off doesn`t change the colors anymore. If I turn it on, I can softproof again but I get banding in a black to white gradient. Slight, but noticable. To see the diffenrence that the settings make you have to close and open the document again.
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Mar 2, 2007
I have both ImageReady and Photoshop but have never got the chance to actually tinker with any of them. Now, however, after seeing how much the programs can do, I really want to go serious with the programs. So I have a bunch of questions:
1. Photoshop, is it a generally easy program to learn?
2. Do you need to buy a book/tutorial or any of that stuff to really handle Photoshop or can you just tinker with the program and in a few months be able to handle it like a pro?
3. How do you add a border to an image using Photoshop?
4. How do you add letter or even a sentence in an image using photoshop?
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Dec 9, 2003
1/ On a non-English keyboard, some shortcut keys like [, ] and ~ can only be reached through the AltGR tab, and are therefore useless. Is it possible in CS to make one's own shortcuts for brush size etc?
2/ Does the histogram tool live-update when one uses tools like Levels or Curves?
3/ Are we still met by that backwards compatibility popup when we save?
4/ Do the precise pointers for brushes still hide on greyish works, forcing one to press the spacebar to see where the cursor is?
5/ How well is 16 bits really implemented? Case: Can I, in 16 bits in CS, duplicate an RGB image, switch the copy to LAB, copy the lightness channel to the clipboard and paste this in the original in an alpha or a layer mask or on a new layer?
6/ Do all filters work in 16 bits mode, and if third party ones don't, do they still work in PS? Filters like KPT3 (remember the problems with 7), Xaostools, ..
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Jan 22, 2008
1. How do I make my text into blocks, sort of 3D like (just by having black text color in the back of the existing text)?
2. I want to have mutiple lines in my text field, but everytime I press 'enter', it doesn't indent!
3. If I have a rectangular orange box, how do I make it go from dark orange to light orange (gradient)?
4. Can I turn sharp edges into rounded edges?
5. Is there anywhere where I can choose a border design? Like having dash lines for making my border.
6. How do I achieve the "fold" effect where a corner may be folded (like this example below
7. How do I make my text go diagnal?
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Dec 6, 2007
I have noticed some annoying things about initial interaction with PS that I wanted some quick feedback on:
* I know PS can not use layered PNG. Is there any tool out there that can convert these to PSD with layers intact? I have a ton of old work that is in that format and will cry if I have to recreate everything.
* I noticed that the select tool is very picky in PS. If I am working on a layer or object, I can not select out of that object to activate another layer or object. I have to confirm changes (annoying pop up) and select the object or layer from the layer panel....EVERY TIME. Is there a way to change this behavior?
* The text tool is defaulted to show in PT. Is there a way to change this to default in pixels? I am using Photoshop for the web in most cases, not print.
* The status bar (bottom left in Mac) can show document dimensions, but it is always in inches. Can I change this to pixels?
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Sep 15, 2005
1) is there a way to "save for web" only user slices? without the auto slices?
2) is there a way to 'copy' the slices (all of them together) from one file to another?
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Jan 6, 2009
1: How do I make a key/shortcut for 100% zoom (actual size)
2: Is Photoshop capable of showing boundaries of objects when hovering the mouse over them - so I know which ones will be selected).
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Jan 8, 2005
With my new Wacom I'm really getting into more experimentation with brushes, which led to several questions I'm hoping you'll help with answers or clarifications.
1. Based on what I've read it appears that I can create any number of brush sets for myself using an existing set as a model. If this is correct then I'm assuming that I can create these setss for most used or any other category? Do I understand this correctly?
2. In creating the new brush set, I think I read that I need to "delete" the brushes in the set but that they will not really be deleted? Is that so or should I make a copy first?
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Oct 31, 2005
I'm having a heckuva hard time figuring this one out.
At the bottom of my canvas, I have a half-circle, with the curve facing up and the flat edge at the bottom border of my canvas.
At the top of my canvas, I have some text that is actually a graphic instead of text.
I'm trying to make the picture of the text curve to the same arc as the half-circle at the bottom of the canvas.
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Aug 15, 2004
My PS is starting to get a little out of control and I hope one of you guys can steer me in the right direction with this.
I do quite a bit of stuff in hi rez (300 dpi) switching back and forth between actual pixel view and fit on screen modes. Recently my "fit on screen" mode wants to keep getting bigger and bigger and no longer snaps back to the correct screen size. Does anyone know how I can fix this?
The other question should be pretty simple. I want to change the default blending options. Things like stroke, inner and outter glow color etc.
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Nov 3, 2007
At the bottom of the document window, the information displayed seems to only be able to show one item, is it possible to show multiple items avoiding clicking on there to cycle through them all to see the information?
Why is my image showing 732K in the document information, but mousing over it while it is closed showing 69K. Am I misunderstanding the file reading size, i.e. 1048 bytes is 1mg?
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Jul 11, 2009
Can you get certified on any version of photoshop or do you have to start at Photoshop 1.0? Once you're certified does your certificate "expire" ? Do you have to retake a test? If so how often?
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Feb 3, 2006
I'm not well versed in color matching so I use an application called Color Wheel Expert to help me choose matching colors and what not. For awhile I've tried to figure out how I can accomplish the same sort of thing simply using Photshop's color Palette/Picker, but haven't been able to figure it out.
Is there a simple way to determine a color's complement, triad, etc while selecting a color? What about getting 'shades' of a particular color? I know you just add white to get shades, but how do you accomplish that inside the color picker?
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Jan 24, 2004
I am trying to create a web page with a header similar in shape to the one pictured below. I plan to use PS6/Image Ready to create the background and nav system , then slice it and add text w/tables and html. I've tried using the pen tool to draw the header, but then I can't fill it. Can anyone suggest a good tute or point me in the right direction?
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Mar 19, 2009
I have a JPG image that I want to edit with photoshop 7. I know that if I edit directly the JPG image and save again as new JPG image, the quality of the new saved image will be degraded. Experienced user know that because JPG is a lossy format.
I want to retain the quality of the edited image. Then I heard that the TIFF format is a lossless format that support compression.
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Feb 23, 2014
I want to join two paths to create a shape that I can fill but at the same time retain one of the original paths (the red one in the image below). I can copy the path I want to retain but surely there is a more elegant solution. See below for for an illustration:
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Dec 4, 2012
Cannot lock other paths/unlock all paths in symbols?
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Dec 3, 2013
I am creating a quiz in edge with 10 levels - each level asks a question dealing with a particular topic for that level. To make it more challenging/random, I want to allow each level's question to pull from a pool of 2-3 possible questions for that particular level (rather than one general pool for all 10 questions).
I have created symbols out of each question - and played with a few randomizing options - but I am a tragically front-end designer
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May 8, 2006
I am trying to edit this picture, and i find my desired results by manipulating the channels (removing the blue and leaving the green and red so it looks as if the whole thing has been tinted yellow), but when I save it as a JPEG, the yellow is gone, leaving all RGB. How can I keep it with my yellow?
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Mar 27, 2003
I guess sometimes teaching newbies like me is annoying. I could take the easy way ripping like most of the people does, but i do really want to learn, and i have a question, so if someone thinks tht spending his time teaching a fool newbie is something worth, thr it goes...
I know when we have an image even it is using "RGB" or "CMYK" collor mode, it is divided in channels, red, green, blue and so... this i can understand quite clear, but wht exactly is an alpha channel??? wht collor it represents??? Wht is it for??? Is there an article tht i could read about it??? I can manage it well, but i'd like to know it's concepts..
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