Photoshop :: CS4 Curves Behaviour Question
Nov 7, 2008
In previous versions of PS when you opened the curves adjustment pallette (or added a curves adjustment layer) you could click-point-drag your mouse cursor over areas of the image to reveal where on the curve those luminance values resided. With CS4 I cannot seem to make this happen. Whatever tool is enabled in the toolbar remains active and the usual eyedropper does not appear, nor are the values revealed on the slope of the curve.
Ok.. if I hold the Ctrl key down with my left hand (and hold the phone with my shoulder instead) I do get feedback on the image luminance value. But I also seem to keep unintentionally adding points on the curve when all Im trying to do is determine the luminance range of the subject area.
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Oct 27, 2008
With previous versions of Photoshop, when an RGB image in a given RGB colourspace was converted to CMYK by choosing Mode -> CMYK, it would convert to whatever CMYK was set as the Working Space in the Color Settings. With CS4 there's a warning dialogue that appears that makes one wonder if CS4 is behaving differently. It now says:
"You are about to convert to CMYK with no color profile. This may not be what you intend. To choose a profile, use Edit > Concert To Profile".
The resulting CMYK would certainly *have a profile* as it's the default selected in the Color Settings > Working Spaces menu. It's the same as if I had a CMYK file and selected Mode > RGB. This would convert from CMYK to whatever default RGB space is set in the Working Spaces menu. Yet from CMYK to RGB there is no such warning. Why not... the same logic would seem to apply.
I think the warning just confuses to user and makes them think an error's about to occur. A more appropriate warning might be:
"You are about to convert to your default CMYK (Color Settings > Working Spaces). This may not be what you intend. To choose another profile, use Edit > Convert To Profile".
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Jul 20, 2008
I am using CS3 under Vista and am using a Wacom Intuos tablet.
For no reason I can think of, the crop tool has started only extending itself into a rectangular shape covering about a third of any image I use it on. In other words, it is impossible to extend its area to the extent I want within, or co-terminous with, the image boundary - it will only go so far across and so far down. This applies to any image, whatever its shape and size.
I can't think of what might be causing this and would like to avoid a reinstall if I can.
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May 23, 2010
I've got AutoCAD LT 2010 running in Windows 7 under Parallels 5 on my Macbook Pro core i7
I'm getting erratic behavior of the crosshairs when trying to draft. There are two independent problems, depending on which view mode i'm in:
1.
In 'Cristal' or 'Coherence' view the crosshairs move with a lag or delay as i move my mouse. I've seen other complaints about this on forums, but no working solution as far as i can see.
2.
In 'Window', 'Fullscreen' & 'Modality' views, the crosshair movement is initially smother and more responsive, but then i'm getting a weird erratic jog effect when i try to pan around the model (by holding down the middle mouse button and dragging.
Both of these problems are incredibly infuriating and make drafting in Parallels a misery. AutoCAD LT is supposed to be supported in Parallels now so I'd like to know if there's a way of getting around this horrible UI glitch.
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May 11, 2011
I want to create a rig with physics behaviour of a marionette. It should be able to behave the way you manipulate a real marionette in real (over their strings) inside the viewport. I found a guy who did this in maya. Here is the link to a video:
[URL]
...around minute 3:10 you will be able to see how I want it. Is this possible in 3ds max too ? Maybe the new one 2012 ?
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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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Jul 3, 2008
how to use Curves, in CS3.
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Jun 26, 2013
How do you get bezier curves in PhotoShop CS6 to act the way they used to in CS5.5? In 5.5 i would be able to move/adjust the path with the direct select tool and the control arms would stay at the angle they were created at. In CS6, depending on where you direct selected the path, would depend on how the path could be/would be adjusted. And the control arms have become more fluid, rather than static. They do not keep the angle they were created.
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Jul 30, 2013
How do I get a percentage value in Curves-in CS5 it used to be command-click would make a dot on a point on the curve, to allow for accurate adjustment...
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Oct 25, 2013
When making adjustments in the curves panel the procedure in previous editions was to raise the curve in the upper section to lighten the image and lower it to darken the image. Mine is working just the opposite. When i raise (or lift) the curve the image darkens and when I lower it lightens. The lower half for contrast works the in the same backwarsds way.
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Oct 17, 2013
When using Curves to increase contrast for an image, I see that some people will use the eyedropper to define an anchor point on the Curve to manipulate, and others just seem to drag on a spot on the curve without first using the eyedropper.
1. Is there a reason to not use the eyedropper, and instead just drag a point on the curve?
2. Won't using the eyedropper always be more accurate than just eyeballing a spot on the curve to drag?
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Dec 13, 2012
I have a question about using toning curves...
In older versions of Photoshop, I was able to use Paul Butzi's beautiful toning curves (which are ACV files) through the Curves menu.
There was a 'Load' button, and if I pressed that, I could browse my curves folder and pick whatever curve I wanted. Is there any way to do that in Photoshop CS5? I can't seem to find a 'Load' button under Curves, and I'm not sure how to use the Custom Curve feature.
I can't seem to load them under Filters, either. How I could load them?
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Mar 29, 2011
When using Curves, one used to be able to move from one point to the next ("point" is what I use to refer to the points that determine the shape of the curve) by holding the Control key and pressing Tab.
This no longer appears to work with Photoshop CS5. I am wondering how I can move from one point to the next without having to click on the next point. More often than not I end up actually moving the point when trying to click on it.
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Apr 4, 2012
So, I absolutely love a lot of the changes I've come across so far. I am very happy with the crop tool changes except for one thing. I work on hundreds of B/W headshots at a time where all I do is crop>curves. Up until CS6, when in the crop tool it would still show tone info in the info pallette. Now it shows nothing. This puts a crimp in my workflow because I either have to open the curves dialog or switch to the eyedropper tool to see if I need to apply curves. I have noticed that if I hide the crop area it will revert to showing the info .
Also, with the curves dialog I am going to complain about something that started with CS5. The 'click and drag in image to modify curve' feature is pretty cool but it should respect my option settings. I work with it displaying the amount of pigment but the click and drag feature doesn't respect this setting.
As I said small issues (especially the second one) but it would be nice to get them changed.
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Mar 21, 2006
I am stumped with this problem and havn't found a thread that seems to give me a points in how to simplify the procedure/problem described. Is there a plug-in ?
I am using PS7.0 and am at the beginner end of the spectrum.
I have TWO pictures and want to duplicate the colour values at certain points in the picture. The manual operation would be to:
1) Open Picture #1, put colour samplers in at the points I want duplicated (max 4) and write down on a piece of paper the RGB values at those points. I make the assumption that the points are all present on the Picture #2 and that the tonal values are all different enough that they fall on different parts of the tonal curve. ....
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Dec 1, 2004
how to draw a curve to get this kind of effect?
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Dec 20, 2003
how to make curves with a set pixel width. It's hard to explain my dillema with words beyond that... Most of my question is detailed in the picture I've enclosed... (I needed a few visual aids to get my point across, lol)... I'm going to post again in this thread with another picture to help further explain, so check that out if this one doesn't cut it for ya.
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Feb 4, 2008
I'm using photoshop 6 and have a problem. When I use dutone curves,I can't reset it. Namely that when I finished tinkering with the curve and save the image, when I start on a new image the old curve is still in place. How can I reset the curve back to its original state?
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Jun 5, 2009
Is there a way to invert photoshop curves? Like making the opposite curve to neutralize an existing curve that I have.Actually it's simply switching all the input and output values,
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Nov 16, 2008
I have PS 6.0.1. yes I know its an old version but it does everything i require so I have no need for upgrade.
One of the main function i use it for is adjusting curves. recently I have noticed when i open a jpg and select adjustment/curves. Photoshop automatically selects the eyedropper tool and the curves window is NOT displayed. When i attempt to do anything i get the windows error bell/noise. The only way i can carry on is by selecting escape on my keyboard.
This also happens if i attempt to add a curves adjustment layer. The eyedropper tool becomes selected and no curve adjustment window is displayed.
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Oct 21, 2008
PS CS3
Windows XP
how to use Bezier curves for PhotoShop CS 3.
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Nov 25, 2004
creating nice and smooth curves, curved lines etc.
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Jun 2, 2008
Using Photoshop CS3 I am unable to change my darkness to lightness orientation as recommended by Dan Margulis (lightness on left, darknss on right). That option was available in CS2. Is it no longer possible in CS3?
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Jun 1, 2004
i`ve created a shape using curves, how can i antialias it and get a smooth curve (and a smooth outline for my mask)?
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Aug 24, 2006
my curves dialogue window went from tenths back to quarters (dividers inside window) and i forgot how to get it back. I can't believe I forgot something so elementary.
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Apr 6, 2005
i've been using photoshop, but never got control of the pen tool, now in my work I HAVE TO use curves for a website design and i just can get em straight, i've been hours and hours trying and i cant get good results with this tool
here is and example curve i want to achieve and my curve, as you can see isnt "smooth connected" like the original.
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Jul 29, 2004
I'm creating a graphic to be published. The graphic is simply 2 text letters. I am told I need to save the file as an ESP and "convert type to outline or curves." Can anyone tell me how to convert text to outline or curves? I've searched the program up and down and don't see any outline or curve options... I don't even see a "text" tool.
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Jun 9, 2006
i'm trying to get bezier curves on SHAPES (Spheres, Cubes) in Photoshop CS...so i can reshape them...NOW i'm talking curves that are like contour lines ON the SHAPE...
example...
if you create an ELLIPSE from the ELLIPSE tool...you do SOMETHING to it (which i cant seem to remember) and you see LINES going up and down and left and right on it....and u can just freehand transform it.
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Aug 23, 2005
This may look like a simple effect to the pros, but im no sure how to achieve it in PS. Im designing a web page and i like designs with flowing curves ( I think it looks cool & modern looking) but Im not sure how to make these effects in PS. To give you an example of what i like, look at these example of sites (especially the first 2 pages)
How can I make beautiful curves with nice colours like these?
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Dec 19, 2006
I work for a vinyl fence co. and I take pictures and print befores and afters in photoshop. The white fences are turning out pink or grey and someone told me to use Curves to whiten...
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Feb 13, 2006
What is the difference between levels and curves?
They seem to do about the same thing when I play with them.
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