Layer Opacity

Can layer opacity be adjusted on PS Touch?

Found the answer and it is "Yes". At bottom left of layer window .. tap on papers icon.

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Layer Opacity percentage from Photoshop is different in After Effects

When importing a layered PS CS3 document into AE CS3 with layers set to different opacity, AE interprets the % differently. AE displays the % as a whole number but when you click on the field you can see the number goes to at least the thousandths.
This is an issue as our animators need to usually make footage loop perfectly and if they use the default imported value as the start value, and then change it over time and then create a new keyframe at the end of the loop to the whole number it displays, it is actually different so there is a slight shift.
As you can see in this example:
PS layer opacity = 10%
AE layer opacity = 10.196%
PS layer opacity = 20%
AE layer opacity = 20%
PS layer opacity = 30%
AE layer opacity = 30.196%
PS layer opacity = 40%
AE layer opacity = 40%
PS layer opacity = 22%
AE layer opacity = 21.0968%
PS layer opacity = 88%
AE layer opacity = 87.8431%
Anyone else know why this is happening? This is a mind boggler for me.
Thanks,
Jon
FYI, our Macs are running:
OS X 10.5.4
AE CS3 8.0.2.27
PS CS3 10.0.1

Simple: AE will use a higher precision than Photoshop even in the 8bpc/16bpc modes, let alone 32bpc. Photoshop will surely use the same values internally, but it doesn't display them. Dunno why, but PS being the old dog it is, I'm not really wondering... More of a question for that forum for sure. Could of course also be a problem with different color profiles/ color space settings between the apps, so this might be worth checking. Maybe you are using an outdated version of a profile in one of them... A simple solution inside AE would be to simply nail down those values with expressions, e.g.
opacity.valueAtTime(thisComp.startTime)
Otherwise: Stay away from the evil Photoshop. ;-)
Mylenium

CS 6 layer opacity issue

In the middle of working on a file my layer opacity started acting weird. If I reduce the opacity to 90% it looks like I have dropped it by 60%. This happened on the file i was working on but when I opened a new file and filled a box with solid black (100%) and then duplicated the layer and reduced that one to 90% it looked fine. SO I thought I had a memory issue. I quit PS then I restarted. Now no matter what file I open or create, my opacity is not proportional to the slider. 90% looks like 60% of any layer I make. Now, when I save the file and place it in an InDesign document, the preview looks as it should. What gives? There are no adjustment layers or layer masks apllied to the layers.
You can see the large discrepency in shade from 100% black to 90% black.
Please help. Its driving me nuts!

Charles,
Thanks for your reply but I discovered the problem. Gamut warning! I inadvertently must have hit shift-command-Y and unchecked the Gamut Warning under the View menu.
Here is the opacity in RGB mode with the gamut warning UNCHECKED:
And with the gamut warning CHECKED:
I knew it was just me hitting some random setting that screwed it up. User error as usual. Not sure why the gamut warning needs a keyboard shortcut, but whatever.

How to save png from psd that preserves transparency of 85% FILL opacity & 100% Layer opacity?

I am using PS CS3. My design has a shiny colored glass type effect with 100% layer opacity, but an 85% fill opacity so that you can see through it. I have tried everything to save as a png file that preserves the transparency but nothing works. Thanks for any help!

Thank you both for your help and questions.
I am using several effects including bevel and emboss, inner shadow, inner glow, satin, etc. If I lower the layer opacity then everything is affected and I want my highlights, etc. to stay crisp and still be able to see through the object as if it were colored glass.
I did finally figure out how to get it to do what I wanted. I lowered my fill opacity to 0% and added a color overlay at 65% opacity. This got me the exact look and transparency that I wanted when I saved as a png.
Thanks again.

Scripting Layer Opacity change

Hello!
I want to create a script that decreases current layer opacity by 5. Here's what I have now:
app.activeDocument.activeLayer.opacity -= 5;
The problem is, when I map the script to a hotkey and press it multiple times (e.g. to set opacity to 50%), it goes normal from 100 to 95, from 95 to 90 and so on until 75%. From that point, it goes to 69% (should be 70%). Then it proceeds as it should (69 -> 64, 64 -> 59).
It also breaks at 24% (24 -> 18), if that matters.
I use Adobe Photoshop CS6 on Windows 8.1 (x64).
Why is this happening (decrease by 6 when I have 5 in my code)? Am I doing something wrong? Sorry if this question is stupid, I am just new to Photoshop scripting...

ahawktom,
opacity is not a rounded value and opacity works with percent.
Try something like this:
if (app.activeDocument.activeLayer.opacity > 5) {
app.activeDocument.activeLayer.opacity = Math.round(app.activeDocument.activeLayer.opacity) -5;
Have fun

Layer opacity shortcut

Are able Layer opacity change through shortcut?
Thanks!

Your question is very terse, but insofar as you can assign a shortcut key to an action or script, and an action can do just about anything you can do, then the short answer is yes.
If you do choose to create an action to help you manage layer opacity, you'll have to make some assumptions about the document you're working on, and the conditions in which you're working. An action can't really make decisions - for example it can't take one of two paths of execution based on whether the layer is an adjustment layer or an image layer. A script, by contrast, can do conditional execution.
With something as simple as current layer opacity, an action should be able to affect a variety of different kinds of layers, so assuming you want a shortcut key to set the current layer to a fixed level of opacity - e.g., 50% - I'd try the action approach first.
Hope this helps.
-Noel

Layer Opacity shortcuts not working on mac OSX 10.9.5

Hello,
I work on a macbook pro retina (OSX 10.9.5.) with photoshop CC and the shortcuts to change the layers' opacity don't work. When I press a number (with a tool other than the brush tool), I know it should change the layer's opacity depending on the number pressed.. but it does nothing. Which is strange because when I use this shortcut technique with the brush tool, it works just fine. Does anyone has the same issue ?
Is there a solution to fix it ?
Thank you for your answers !

I tried with the num lock and also with the shift key, but nothing happened . I already use the numbers at the top of the keyboard (the MBP retina doesn't have a number pad : first I thought that this was the reason it doesn't work, but then I saw that it worked just fine with the tool brush..) I'm really confused by this.

Creating slider to control current layer opacity in HTML?

Hi! I wanted to create a slider in custom panel which changes the for eg opacity of the current layer.
Here is what I used in HTML5
<div>
<input type="range" min="0" max="100" value="0" step="1" id="opacity" name="opacity" onChange="sliderChange(this.value)"/>
</div>
Here is the javascript function
$._ext_OPACITY={
      run : function() {
       app.activeDocument.activeLayer.opacity = 50;
Now can you please tell me how to link that HTML slider with this function so that user can change the opacity using the slider. Thanks alot.

Hi thanks alot for replying. Unfortunately it's still not working.
js/main.js
var csInterface = new CSInterface();
function outputUpdate(value) {
   csInterface.evalScript("setLayerOpacity('" + value + "')");
jsx/Photoshop.jsx
run : function setLayerOpacity(layerOpacity) {
    app.activeDocument.activeLayer.opacity = setLayerOpacity;
index.html
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<script src="./ext.js"></script>
<script src="./lib/CSInterface-4.0.0.js"></script>
<link id="ppstyle" rel="stylesheet" type="text/css" href="./style.css">
<title>Test</title>
</head>
<body onLoad="onLoaded()">
<div id="content">
<input type="range" min="0" max="100" value="0" step="1" id="opacity" name="opacity" onChange="setLayerOpacity(this.value)"/>
</div>
</body>
<script src=’js/main.js’></script>
</html>
Slider is displaying in photoshop also moving but doing nothing.

Opacity Issues, 3D enabled on layer Opacity does not work, turn it off and it functions normally.

I have a PSD/Text layer with 3D selected, Scale and Opacity are set. The layer in photoshop is a text layer, if this why it is not allowing transparency?
Here is a screen shot.
But if I turn off 3D it will function just fine...
https://www.dropbox.com/s/ql3n10f3ke3nahz/7-8-2013%202-21-26%20PM.png
AE CC
Windows 7 Ent x64.

That would be the reason why, I had drop shadows and an outline set. I will rasterize my styles to resolve the issue.
Thank you!

Using clip markers to drive layer opacity

Hi folks, I need a little help with an expression. Your input would be most appreciated.
I'd like to have a solid layer in my comp which has 0% opacity most of the time, but has 100% opacity only on those frames where there is a clip marker on a specified footage layer, AND the frames where the footage layer has a clip marker on an adjacent frame.
That last part may be confusing, but the practical upshot is that the layer is transparent until a clip marker comes along, whereupon it goes opaque for the surrounding three frames.
Thanks again!
Ari

// expression 1
L = thisComp.layer("footage");
if (L.marker.numKeys > 0){
if (Math.abs(L.marker.nearestKey(time).time - time) <= thisComp.frameDuration*1.1){
100
}else{
0
}else{
0
// expression 2
L = thisComp.layer("footage");
n = 0;
if (L.marker.numKeys > 0){
n = L.marker.nearestKey(time).index;
if (L.marker.key(n).time > time + thisComp.frameDuration*1.1){
n--;
n
Dan

Changing Layer Opacity in an Action

An action that I created uses and preserves adjustment layers. The action will not recognize the changes In opacity that I've made to the layers. How can I get the action to record the opacity changes?

Actually it should record that with no problem.
The step should appear as »Set current layer« (see attachment).
Please explain in more detail how you created the Action: Did you for example change opacity immediately after layer creation and how (via keyboard shortcut or slider), do you work with a non english version of Photoshop?

Ctrl-clicking layer name does not load layer opacity mask (CS2)

Q: Ctrl-clicking a layer name does not load the layers opacity as a selection in CS2 as it did in older versions?
A: You must ctrl-click the layer thumbnail, not the layer name, to select the opacity of the layer. Ctrl-clicking a layer name is now connected to the new way of selecting multiple layers in Photoshop CS2, as per the standard way of selecting multiple objects in the Win OS.

Thanks for the replies:
I tried the shift, ctrl & alt keys on start up of PS2 and received a msg fm windows Vista about the PS short cut. I said OK and nothing happened.
I started PS2 and then held the shift, ctrl & alt keys while it was starting. This seemed to reset some things because the original message that comes with PS came up. But the mask problem is still there.
I went further in your instructions and found the "reset all tools". Did that. Still have the problem with my mask not clearing totally.
Any more suggestions???? Thanks, Al

Layer Opacity with Mozilla Firefox

On the website I am creating I have layers with a background
colour with a lower opacity, so that it is slightly transparent.
When I preview the page in Internet Explorer, it works ...
but I can't seem to get it to work for Mozilla Firefox.
Does anyone know how I can make it work for both?
Thank you.
Del Dalton.

Ok. I've given that a try, but I can't seem to get it right.
I'm using Dreamweaver MX. To do what I did orignally I just
created a CSS style ".layer1" and went to extensions, filters and
then selected 'Alpha(Opacity=?)' - changing the '?' to the value I
wanted.
I'm not quite sure how, or where I can insert this
'-moz-opacity: ?'.
If you can, could you insert it to the code below, and I will
see if it works:
<html>
<head>
<title>the Bored Productions - Home</title>
<meta http-equiv="Content-Type" content="text/html;
charset=iso-8859-1">
<style type="text/css">

</style>
<script language="JavaScript" type="text/JavaScript">

</script>
</head>
<body>
<div id="Layer1" style="position:absolute; left:497px;
top:28px; width:268px; height:86px; z-index:1"></div>
</body>
</html>
Thank you.
Del Dalton.

Color changes between CS2 and CS4 opacity with effects turned on

Howdie.
I don't run into issues much with Photoshop, and this one has me stumped.
I needed to drop back to CS2 in order to use a warp mesh plugin. I saved out a small portion of a file that I created in CS4 (Only containing the layer I needed to warp) and then opened that file in CS2, turned off all the effects (drop shadow, inner glow, bevel & emboss), and applied the mesh warp, then saved the file. I went back into CS4 and re-opened it there and copied its layers into the bigger, original file. What is strange is that the colors were a LOT lighter than they should be when compared to the original unwarped layer. So in an attempt to figure out what was wrong, I checked all of my layer opacities, filter settings, layer mixing mode, etc. and everything was exactly the same. I even tried deleting the layer style and copying the layer style from the original layer...no change. I turn off the effects and check the color of the object and it reads the same as the original layer. Both layers have no semi-transparency in the colors. I turn the effects on and it is all whacked out. After a while, I figured out that the problem was that the layer opacity in the effects, although reading the same between both layers (70%), is behaving as if it should be at 90% opacity in the new layer in order to match the original. Its as if the layer worked on in CS2 has brought with it some corrupted info in its definition, that never leaves and affects any Effects you try to apply to it.
Has anyone experienced this one before?

A liitle bit more info here. Apparently, the pixel data for the warped parts screws with the effect, Inner Glow, in the Choke and Size sliders. The sliders simply quit functioning and have an abrupt light/dark toggle effect roughly near about value "7".
The only way I could fix the problem was to do this convoluted solution, since Duplicate Layer does not work.
    1. Clear the effects on the problem layer.
    2. At this point you can either work on the problem layer directly or duplicate it to create a work layer. Doesn't really matter because both layers will get deleted later anyway.
    3. With Channel Mixer, and for EACH color channel CMYK, move all 4 sliders hard left, so that the result is 0/0/0/0 for the CMYK values (Do NOT use Brightness & Contrast in place of Channel Mixer because you will lose any blurred edges. Also, using Channel Mixer does not swell or choke off the pixels along any "floating" shapes' edges).
    4. With the selection tool, create two small selection boxs at two opposite corners of the entire layer. Fill them with any color.
    5. Select the entire layer (CNTL + A on a PC), and copy it to the clipboard.
    6. Create a new Alpha channel and Paste. The little boxs at the opposite corners of the file were needed to precisely position a copy of the layer when we Paste it into the new channel. The contents of the channel must be exactly registered with where the original shapes were in the problem layer.
    7. If you want, you can now delete the boxs in the corners of the channel by filling them with black.
    8. Create a new layer and load the selection (the channel) we just created.
    9. Fill it with the desired color.
    10. Copy the desired effects from the original layer before warping was done and to the new layer we just created.
    11. Delete the old problem layer.
    12. Done.

Looking for Solution: Opacity Hotkeys in FW

I am a long time user of PS for web design (over a decade) but every once in a while I decided to give FW a whirl to see if I might want to switch. Everytime I am amazed that the quick and easy hotkeys for layer opacity are missing (keys 1,2,3...0) in PS.
I often layer many gradients and color layers with different layer modes to create subtle effects in my designs and having to mouse up to the layer opacity slider/box really slows me down.
Am I missing something very basic? If not are there any 3rd party add-on s that do this?
Thanks,
Eric
PS. I have not gotten past the above, but are there hotkeys for changing layer modes by chance....

Hey Eric, this should help
http://johndunning.com/fireworks/about/ToggleOpacity
The extension only has two Opacity toggle commands, 0% and 50%.
But as per in the description notes, duplicate the script and associated values, then assign keyboard shortcuts to those Commands.
h

Layer Opacity

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