Photoshop :: Opacity Percentage
Jan 18, 2007
This is something that i never really gave much thought - but what value do the opacity parentages really have?
See my assumption was that 50% + 50% = 100%. So if you had a solid black layer set to 50% opacity and you duplicated that layer one would think that it would be solid black again... but no is only 75% black. WHAT?
The other thing is that solid black with and opacity level of 50% over solid white is a true 50% gray which is half black and half white - do to half's not make a whole?
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Jul 25, 2013
sometimes when trying to manually input the percent number for either layer opacity or image zoom, when I try to type a number I just get a DING sound and it wont allow me to do anything. It goes away after I click a bunch of random things, minimize photoshop and then open it up again. Why does it do this? All I do is click on the percent number, try to input a new number but it sometimes just doesn't allow me to do so. I check all around the document to see if there is anything going on that may interfere but I notice nothing. What is it trying to tell me when it just dings and refuses to change the numbers?
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Aug 26, 2013
It does it every 4-6 times which is really really often since you brush about 10 times every 3 seconds or so when digital painting especially when shading, lighting, blending, etc with brushing.
Why does it do this? I cant recall when it started doing this but I think it was either when I updated from CS4 to CS6 or maybe it just randomly kicked in. I already updated my drivers and re-installed my tablet.
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Feb 10, 2014
In the animation I am working on, I need an object to instantly go from 100% opacity to 0% opacity. The problem is, even if you use the opacity of the layer as a keyframe, the object will not instanlty vanish, even if it is only on for the timeruler for a quick amount of time.
I need a tool that will drop from 100% opacity to 0% instantly.
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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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Apr 9, 2003
Who has experience with the "select"-tool?
In a picture I'd like to get the ratio of the selected and the unselected areas. That means: I select several parts of my picture (for example by using the magic wand tool) and would now like to know the portion of the selected areas (area of the selected parts, percentage, ....whatever) compared to the unselected ones.
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Apr 24, 2013
Any way to set a default zoom percentage value in the Photoshop CS6 Navigator panel?I normally zoom in and out using the CMD and + - keys, which give 12.5%, 16.67%, 25%, 33.33%, etc.I would like to set the value at the bottom left of the Navigator panel to 31.5%, then click and somewhere and save this as one of the default settings, so that it would replace,33.33% or come between that and 25%
A bit of a strange value I know, but I've found that this value gives me an image on the screen that is the same size as what I get out of the printer.bind having to type in 31.5 over and over again in the Navigator.
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Apr 20, 2013
I am trying to create "degraded" stimuli for an experiment - specifically, I'd like to remove a consistent percentage (70%) of pixels from an image and replace them with solid black. It is important that the pixels are removed in a random fashion - that is, if I modify a series of images in this way, I don't want the black areas to always appear in the same portions of the images.
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Aug 25, 2011
I'm trying to define my own watermark (just a piece of text) and define it as an action so that I can apply it as batch.
I'm creating a text layer as the signature, and I would like to move this text layer to the lower right corner of every image. For this, I'm trying to find a move by percentage command that will work for any image size. i.e. the signature must appear at 90% of the width and %92 of the height, regardless if the image is 2592x1728 or 1728x2592 pixels.
How to do a 'move by percentage' or alternative ways to achieve this?
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Mar 19, 2013
Any way to set a default zoom percentage value in Photoshop CS6?
I would like to set this to 31.5%.
A bit of a strange value I know, but I've found that this value gives me an image on the screen that is the same size as what I get out of the printer.
It would be great if I could do this, as it's a bit of a bind having to type in 31.5 over and over again in the Navigator.
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Oct 8, 2013
Just got CS6 and I cannot find the little percentage figure that used to sit at the bottom left corner to give an indication of the image size you are viewing and allow you to alter it. I'm sure it must be in there somewhere but I can't find it - and believe me I've looked.
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Jul 18, 2013
I have a windows 7 based machine with 24gb of ram and a 560to geforce video card and 980x CPU. have just reinstalled Photoshop cs5 and newest update, Photoshop now opens images at a viewing percent that is a lot smaller than the previous installation, currently a vertical image is 16.7% and a horizontal 25%, these should be 25% and 33.3% to almost fill the screen. what can I do to get images to open at a bigger zoom percentage?
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Dec 16, 2003
I'm looking for a way to resize a large number of images, but not to a specific size. Because of the vertical and horizontal orientation of my various photos, I want to be able to decrease the size of photos I won't be printing by a given percentage.
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Oct 20, 2013
I just upgraded to CC from CS4. In CS4, when recording an action I could set the rulers to percent and a percentage-based value would be recorded rather than a pixel value. For example, if I recorded the creation of a vector shape that filled the entire canvas, the step in the action would create a 100% by 100% shape, starting at point 0%, 0%. This allowed me to run a batch on varying canvas sizes, and get a shape that filled the canvas no matter the size. In CC, it always records pixel-based values no matter what the rulers are set to.
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Oct 25, 2012
Never had this issue in previous versions of Photoshop. Just upgraded to CS6 and played with a few of the Preferences.
For some reason, all files open at the smallest percentage possible (as small as <1%). How to set a default open size, or if I managed to check a box that made this happen? It's really annoying to zoom in on every document that I open.
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Feb 1, 2006
I am batch scanning 35mm slides 15 at a time using an Epson 1680. I have been playing with the various dpi's and scale to find the best settings so I can cut the slides and paste them into Powerpoint for a lecture. What I have been finding is that when I cut the slide from the scanned image (of 15 in the holder) and place it in my powerpoint slide and then enlarge it, it is too blurry.
I have tried enlarging the dpi to 2400 but the computer won't scan it. I seem to get OK images in powerpoint at 90dpi and 800% scale but I really want them sharper.
How can I do this? Is it best to scan the slides individually and not use the holder?
More importantly, although the slides look OK on my laptop how will they look when they are projected onto the big screen. I do't want them to be too blurry.
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May 2, 2013
Say I have an image that is 100x100 pixels. And I want to take one of the layers and resize it to 50% of the image size, so that it is 50 pixels. How can I accomplish that?
The reason I ask, is that have multiple images all with different size. But I have a signature (ie. watermark) that is always the same size. I want to be able to place this signature, and then resize it to XX% of the image it was placed on. That way, it should always have the same proportions.
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Apr 11, 2012
I am trying to create an action that will work with some product images. Every image document I make is the same size (1000 x 1000px). The layer that I paste onto that document will always vary in size. I like my product images to all have the exact same margin. So I always use the transform command to specify that the width of any layer should be exactly 930px. This gives me exactly the same margin on my 1000 x 1000px document every time, regardless of the original layer size. I want to create an action for this to speed up the process but when I press record I hit a stumbling block.
In reality, I choose transform and set width to 930px.
Photoshop records me choosing transform then setting the width to 97% (or whatever).Percentages are useless to me as my original layers vary radically in size. I need to transform by pixels.why photoshop is recording my transform by percentage and not the pixels that I actually use?
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Oct 14, 2012
It is relatively easy to extract a swatch-table from a picture, but is there a way in Photoshop or Illustrator to display the relative percentages of the colors in a picture (for example: 70% black, 24% white, 2% yellow, 4% blue, etc.)? So I don't mean the RGB-percentages but the amount of a certain colortone in the picture. The swatch only shows the colortones, not their quantitative percentage in the picture.
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Nov 17, 2006
i have to change it t pixel everytime i start up photoshop.
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Oct 25, 2008
I'm always changing this to percentage. any way to default to it?
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Mar 19, 2011
I have some hand drawn patterns that need resizing by percentage and printed. However, when I resize, it shows exactly the same and prints exactly the same.
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Jun 4, 2007
I would like to know if (and how) Revit can caculate the exterior glazing percentage on a facade.
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Mar 2, 2012
(Again) how to have the percentage format (%) for the calculated value?I calculated the percentage of each area in proportion to the total area. I wanted to show the percentage area in the “%” format. But sounds not to work!
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Jan 24, 2014
I'm working on a project involving DDS files. I'm working on the UI for the program, and we are re-writing and re-working the calls to DDS files. Part of the change is that we're changing from a pixel reference to a floating point %. However, my ruler options don't include a %. Aside from doing the math manually, is there a way to show a location on an image as a %?
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Aug 6, 2013
For example how can I create a horizontal guide at 33%, 50% and 75% down the artboard?
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Dec 10, 2013
How do you adjust the scale image percentage to extend out to the hundreths place instead of rounding to the nearest whole number?
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Feb 7, 2014
I have a square filled with a pattern tile. How can I see what the scaled percentage of the pattern is inside that object? I have multiple layouts with different scale values I need to get to the same percentage. I don't see anything within the info dialog box, or transform or appearance attributes? Is this something that's viewable?
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Aug 30, 2012
I am wondering if I can find out, how much a color covers a document in illustrator (vectorized document). Do you know a way? I need to now it in percentage. Is there any way or plugin, script etc.
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Sep 26, 2013
i have some smart folders of my fav. pics. i want to export them to disc for my mobile devices the pics have different resolutions.
I want to resize them in %. I saw only the option in pixel.
if there is no option in LR, can you recommend a freeware tool for mac or win?
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Jan 2, 2013
Illustrator CS6
I want to know if it is possible to get more than 2 decimal places in the Print Scale Percentage option box (as shown below)?
It seems to round to 2 and I would like to get at least 3 for better accuracy.
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