"Normal" blend mode for layering in multi-input PB kernel

Hello all-
I'm sure there's a dead simple solution to this problem.  I've been trying to build a simple composite node for a PB Graph that takes three inputs, maintains transparent areas in the "top-most" layer (Layer 1), 50% opacity overall for the middle layer (Layer 2) and 100% opacity for the bottom layer (Layer 3) without applying mathematical blending (like multiply or linear dodge blend modes).
If someone could point me in the right direction with regards to "Normal" blend mode (as in Photoshop), I would be much obliged...
Thanks in advance!
Regards,
Henry

The PDF Reference Manual gives the formulas for many of Adobe's blendmodes so start there:
http://wwwimages.adobe.com/www.adobe.com/content/dam/Adobe/en/devnet/pdf/pdfs/pdf_referenc e_1-7.pdf.
Of course it never hurts to go back to Porter-Duff:
Compositing Digital Images.

Similar Messages

  • Are there blending modes for the layers?

    Like in Photoshop, is it possible to take on shape and blend (multiply, difference, soft light, etc.)the layers? I can't seem to locate it in Illustrator.
    Thanks all!

    Transparency panel.
    Layers in Illustrator don't mean the same as Layers in Photoshop. Think of Illustrator's Layers as equal to Photoshop's Layer Groups (folders in the Layers panel), with each object on an Illustrator equivalent to a Layer in Photoshop. You can change the Transparency Blend Mode of any object on a layer independent of the layer itself. If you click on the circle to the right of a Layer's name you can target that layer and change the entire Transparency Blend Mode for the Layer.

  • Normal blend mode + transparency

    I've searched around for help on what happens to create the resulting pixel color when normal blending mode is used in conjunction with transparency. Most of the sources I've read simply say that there is no blending in normal mode. Clearly, that can't be true when the top layer has some transparency applied. Sure, we interpret that as no blending. Our brains see it as a simple overlay. But two pixels of different color are displayed in the same location. Some kind of mixing is going on to display the result. What's happening?
    Thanks for your help. I know this is purely academic, but it's gnawing at me.

    Have You tried simply running a test with some Solid Fill-layers?
    The resulting values for the channels seem pretty simple to calculate if the lower layer is solid:
    resultingValue = lowerValue * ((100 - upperOpacity) / 100) + upperValue * (upperOpacity / 100)

  • Separate blend mode for each clone source

    If each clone source could have it's own blend mode (not to mention its own opacity and hardness) setting it would be more effective. The current blend mode setting in the clone source affects the preview only.
    I often have to jump back and forth between Normal, Lighten, and Darken modes, and would like the convenience of clicking between sources already set to what I want.
    Thanks

    What goes on in the new "Clone Source Panel" is unrelated to Tool Presets oddly. It would be possible, to optionally allow recording of the settings in the Panel, as part of the Clone Tool Presets. But they never bothered to do it. Its as if this feature was designed with no understanding of the importance of Tool Presets at all. This would solve your problem.
    The shortcut for Lighten Darken and Normal are Alt > Shift > G, K and N, respectively. This may speed up your work.

  • Delta (Extraction mode) for Infospoke on Multi provider

    Hello SAP-BW gurus,
    I want to develope a Infospoke on Multiprovider to implement the delta extration mode. Right now it is working for Cube but not for Multi provider. If anybody implemented this for Multiprovider, Please help me.
    Thanks in advance.
    Regards
    Prabhu

    Manga,
    Yes you are right, we can extract data from Multiprovider.
    I am doing that from past one month but it will work for only full update (Extraction mode). I want delta extraction mode on multiprovider.
    Regards
    Prabhu

  • Why no lighten/darken blending modes in Lab?

    With PS CS, I have noticed in Lab color space the lighten and darken blending modes for layers are disable. Also, if an RGB picture uses them, they are converted to normal blending mode upon conversion to Lab. Any idea why this limitation? And any way to circumvent it?

    This is true also for the Color Dodge, Color Burn, Difference, and Exclusion blend modes in CS3. (I don't remember if all of these modes exist in CS.) The only way to circumvent the mode conversion when switching from RGB to LAB seems to be flattening beforehand---not likely to be a happy solution for you.

  • Hue Blend Mode Confusion

    Hello,
      In reading about the Hue blend mode, I have come to understand (perhaps erroneously) that given two layers (T)op and (B)ottom, that if the Blend Mode of T is set to Hue, then the hue information in T will be blended with the saturation and luminosity in B, which essentially means that the hue information in B is replaced by the hue information in T. However, in running some experiments, I've noticed that when dealing with a very simple document comprised of two layers only, that setting the Blend Mode to Hue also changes the saturation and brightness.
    Here are the steps to duplicate the observed phenomena using two regular layers:
    Create a new blank document.
    Fill with the color that corresponds to the HSB values (0, 70, 50).
    Add a new layer above the existing layer (blend mode Normal).
    Fill the topmost layer with the color that corresponds to the HSB values (230, 70, 50).
    Using the Info panel, the HSB values for the document should read as (230, 70, 50).
    Change the Blend Mode of the topmost layer to Hue.
    Using the Info panel, the HSB values for the document should read as (230, 70, 50), but instead read as (230, 66, 53).
    And here are the steps to duplicate the observed phenomena using a regular layer and an adjustment layer:
    Create a new blank document.
    Fill with the color that corresponds to the HSB values (0, 70, 50).
    Add a Hue/Saturation adjustment layer (blend mode Normal).
    Adjust the Hue value in the Properties panel for the Hue/Saturation adjustment layer to be -130.
    Using the Info panel, the HSB values for the document should read as (230, 70, 50).
    Change the Blend Mode for the Hue/Saturation layer to be Hue.
    Using the Info panel, the HSB values for the document should read as (230, 70, 50), but instead read as (230, 66, 53).
    The results in both (for me) are identical. Am I misunderstanding the Hue blend mode?
    Thanks,
    Matt
    Photoshop Info:     13.0.1 x64 Extended
    OS:                        Windows 7 64-bit
    CPU:                      Dual Xeon E5440
    RAM:                     16 GB
    Video:                    Nvidia GeForce GTX-580

    Hi Chris,
      Thanks very much for your straightforward and helpful answer. So, it would appear that my simplistic understanding of the Hue blend mode as 'replacing' the hue of the underlying layer(s) is incorrect. Would a fair rendering of what the Hue blend mode actually does be as follows?
    "The Hue blend mode will perform a direct replacement of the hue in the underlying layer(s). The brightness and saturation of the underlying layer(s) will not be affected *unless* the resultant hue, saturation, and brightness 3-tuple would result in an illegal HSL combination, in which case the saturation and brightness of the resultant pixels will be altered to bring the HSL values into compliance."
    Also, is there a way for the Info panel to display HSL values?
    Thanks again,
    Matt

  • Has anyone ever encountered layer blend modes behaving strangely?

    I use photoshop quite a bit for retouching and photo compositing. Tonight I encountered a strange problem. I was trying to create a vintage look on a photo and had a number of adjustment layers including a curves, levels, color fill and there were also a few texture/noise layers all set to varying opacities. Near the top of all this I had a vignette layer that was black around the edges and white in the center set to blend mode of multiply. Well, when I was clicking on and off I realize that that vignette layer was definitely lightening the center part of the overall image quite a bit (the part that is white on the vignette layer), almost like a screen. So I flipped the vignette layer through different opacity modes and saw that there was no change in its behavior, every mode was screening the white, even darker color and multiply. I thought maybe it was interacting in a weird way with one of the other layers so I turned all the others off except the back ground-- still no change. Then I dropped the layer down one at time until it was below the background. When I started to move it up again, it was behaving normally for a moment until I moved it up a couple levels in the stacking order and then it went back to the screen behavior. Anyway I shuffled it around a bit but there was no consitency to when it would display the correct opacity and when it wouldn't, so it did not seem to be an interaction with any specific layer. I don't know, but I can't really think of any case where white set to multiply should produce a lighter result even if it were interacting with another opacity. In any case it does seem to me that there is something going on with the overall computation of opacities. I tried creating a new black and white layer and it was also doing the same thing, behaving strange and not displaying the correct opacity.
    I'm tired, so I'm going to bed. I'm going to shut off the computer and hope this goes away when I reboot, but if it does not, does this sound familiar to anyone? I'm not a regular visitor to this forum, but I thought I'd put it out there in case anyone else has experienced anything like this. I've only got 5 gigs of ram on this computer and I've been working away for a while... maybe photoshop just couldn't keep up(?) I'm using Photoshop CS5, RGB Adobe 1998 colorspace.  I've never had anything like this happen in the last 11 years I've been using photoshop. Hmmm.... hope I don't have to reinstall or call support or worse. fingers crossed.

    Nevermind. It is still having the problem. I have to think that this file is just corrupt somehow because I just opened another file and can't seem to cause the same problem. Basically, I can fill a layer with white, put it to a blend mode of multiply or darker color and it will block out everything of the image below, ie totally opaque. The opaqueness varies depending on the if there are other layers also on blend modes, but it does not seem to correspond to normal blend mode interaction. If I put it right on top of a regular layer with an image on it, it totally blocks it out on a blend mode of multiply... weird. I am going to scrap this file and see if the problem recurs in other files. My 2006 Mac Pro is getting some years on it and has been running pretty slow. I'm not a hardware expert but I've done everything I know how to do to maintain it. Was thinking of upping the ram to see if I can hold out a bit longer before I upgrade the computer. Wouldn't surprise me if this problem is related to the computer.

  • Question about using blending modes when cloning

    Hi I want to clone on a blank layer above the background layer. I have the tool set to curent and below and the blank layer is set to normal blending mode.  I want the cloning to be in darken blending mode. I change the blending mode of the clone stamp tool to darken. Will that work on a blank layer that is set to normal or is it necessary to also change the blending mode for the blank layer to darken as well? Thanks for your help.

    Well thanks. It's not just a portion of the image that I want to clone on using different blend modes, but the entire image. I didn't want to duplicate the background to clone on as it adds a lot in size to the image and its harder to edit out incase I make a mistake. Guess I will have to have two layers, one set to lighten and one to darken. I wish that Adobe would make photoshop work in the next version so that you could just change the blending mode of the clone stamp tool in the tool bar. Wasn't it like this in versions before CS5?
    So I have another question for you. Can I use the healing brush on lighten and darken blending modes on a blank layer set to normal with sample current and below selected? Or do I have to switch between two separate layers, one set to lighten, one set to darken?
    Thanks again.

  • Combine by Blend Mode?

    I have a tedious production task I'd love help automating.
    I receive layouts with mutliple layers of product shots (with transparency) in Normal blend mode. Most of those layers also have separate shadow layers in Multiply blend mode. (Sometimes these layers have masks, othertimes not.) Depending on how the file was built, product layers might be in proximity of their shadow layers, or they may not, making organization and contraction challenging.
    (In case it matters, sometimes all layers (products and shadows) are housed inside a single group, sometimes there are no groups at all.)
    Ultimately, I'd like to merge all the Product layers into one Normal mode layer, and all the Shadow layers into one Multiply mode layer (with masks applied), with the two layers linked to each other.
    Can layers be identified and merged according to blend modes?

    This might work.
    But this disregards possible masks on groups and just moves the Multiply artLayers into one group and all others into another.
    // move all artlayers set to multiply and all other artlayers into two layersets and then merge those;
    // 2011; use it at your own risk;
    #target photoshop;
    if (app.documents.length > 0) {
    var myDocument = app.activeDocument;
    var artLayers = collectLayers(myDocument);
    var multiplyGroup = myDocument.layerSets.add();
    multiplyGroup.name = "multiply";
    multiplyGroup.blendMode = BlendMode.MULTIPLY;
    var normalGroup = myDocument.layerSets.add();
    normalGroup.name = "normal";
    for (var m = 0; m < artLayers.length; m++) {
         var thisLayer = artLayers[m];
         if (thisLayer.blendMode == BlendMode.MULTIPLY) {
              thisLayer.move(multiplyGroup, ElementPlacement.PLACEATBEGINNING)
         else {
              thisLayer.move(normalGroup, ElementPlacement.PLACEATBEGINNING)
    normalGroup.merge();
    multiplyGroup.merge();
    ////// function collect all layers //////
    function collectLayers (theParent) {
         if (!allLayers) {
              var allLayers = new Array}
         else {};
         for (var m = theParent.layers.length - 1; m >= 0;m--) {
              var theLayer = theParent.layers[m];
    // apply the function to layersets;
              if (theLayer.typename == "ArtLayer") {
    // exclude background layer;
                   if (theLayer.isBackgroundLayer == false) {
                        allLayers.push(theLayer)
              else {
                   allLayers = allLayers.concat(collectLayers(theLayer))
    // this line includes the layer groups;
    //               allLayers.push(theLayer);
         return allLayers

  • Blend Mode Options

    Hi. I've recently downloaded Photoshop CS6 trial version and i've tried to add a flare to a transparent background image and turn the blend option to colour dodge or screen but when i do so the black bg does no go. It stays there but i have seen in many other exampls video and i've even done it myself at school computers and at my home computer once but this time it just wont do it?
    Example:
    I open a signature for a forum i made with a transparent background.
    I import a flare. It has a black bg.
    Turn blend mode option to screen and the flare goes above the text but the black bg is still actually there.
    Help please?

    It's never worked as you think.  It has to do with how the various blending modes mix layers over pixels that have transparency, and that hasn't changed in recent history.
    But that's neither here nor there.  In order to save a PNG that has the ability to combine with page data below it, you're going to have to prepare your flare to use Normal blending, and use layer transparency to combine it.
    One way is to use the luminosity of the flare itself as a layer mask, which will have the effect of eliminating the black surroundings.  However, that will end up dark and leave some black in the pixels that do show, and that could conceivably combine in an unnatural looking way with light surroundings (i.e., darkening them).  You'll want to use such a PNG over the top of a dark background.  You can mitigate this some by doing things to the pixels of the flare layer while leaving the mask alone, such as pulling up the curves and increasing color saturation.
    -Noel

  • How to apply blending modes to a gif in CS6?

    Hello everyone! I am in need of a tutorial or at least a how-to-step-through on how to apply the different blending modes on a gif.
    For this specific situation, I have a gif with a black background and a white semi-glowing scope, but I just want the white glowing scope to show.
    I think that Lighten would be a good blending mode, but I just don't know how to produce the results I want.
    Could anyone give me a reference or a guide on how to do this?
    I'm not sure how to edit a gif either, being that there are so many tutorials saying this and that, leaving me confused in the end.
    If someone could break all this down for me in detail(as simple as possible) and what not, that'd be great!
    Until then, thank you!

    GIFs are in indexed color and don't support any blending modes nor layers. You need to do an Image --> Mode --> RGB and then a whole new world will open up...
    Mylenium

  • Learning blending modes

    I've learned most of what I know about PSE from a certain magazine from England.  But in their step by step instructions, you are told to use this or that blending mode, but not why.
    Are there any threads on here that expalin what the different modes do and when to use what?  I've tried to do search but didn't work.
    Thanks
    Ricih

    http://www.ronbigelow.com/articles/blend1/blend1.htm
    The above is a set of tutorials that includes tables listing practical uses of blend modes for photographers.
    His examples are done using photoshop but the blend modes are the same in both Photoshop and Photoshop Elements. Layer masking is used to constrain the blend mode effects to portions of the photos. With elements, you will need to use an adjustment layer so you can hijack the mask. If you are just going to blend the image with itself, create a levels adjustment layer...leave it at the default setting and click ok to accept. Adjust the levels adjustment layer's blend mode and opacity if desired.  This will act just as if you were working on a duplicate of the image...and you have a mask.
    If blending two different images, use a clipping mask/group. Here's a link on info about using clipping masks/clipping groups...same thing different name.
    http://www.photokaboom.com/photography/learn/Photoshop_Elements/layers/layer_groups_clippi ng_masks/1_layer_groups_clipping_masks.htm
    Other tutorials that cover blend modes...
    http://www.northlite.net/ps/blend.htm
    http://www.photoshopessentials.com/photo-editing/layer-blend-modes/
    http://www.photoshoptut.com/photoshops-blend-modes/
    http://www.psdtop.com/blog/basic/understanding-blending-modes/
    Still one more...don't read #20 as it covers advanced masking (Blend If) that isn't available in Photoshop Elements.
    http://www.teamphotoshop.com/articles-The-Techniques-Layer-Blend-Modes-Explained!-5,8,65a. html
    Edit: That last link you'll have to copy and paste it into your browser to get it to work. It's not linking correctly.

  • Color Dodge Blend mode issue in CS4

    Alright I'm running CS4 and I'm having an issue using the color dodge blend mode for my brushes. What im trying to do is to create a light effect which I've done this before and I've also run into this problem before and I've solved it but I just cant remember how. I have a dark gradient on my background and i created a new blank layer for my brush, i set the brush layer blend mode to Color Dodge and use a white brush so it will pick up on the gradient. The issue I'm having is it's just painting over the gradient as if nothing is there and it only starts picking up on the background on a ring that I uncover when I go over it with a brush I'll try and provide an image. the white is suppose to turn bright red when it goes over the colored part of the gradient but it only changes its color near this ring on the gradient that I didn't add in. . . it's a weird explanation and I'm sorry  cant explain it better but I hope someone knows or can figure out what I'm talking about or experiencing. your help is appreciated

    I tried what you said and overlay wont work because it's too dark. I don't know if it was something wrong with my brushes or something else.I opened an old PSD that i had done this same thing with and the color dodge was working on that but whenever i created a new one it would act strange like the image above. then i tried again later and for some reason it started to work. The only thing i did differently was reset my brushes and i created a group and changed the group's blend mode to Color Dodge then put in a blank layer inside the group folder with a normal blend mode and it worked for some reason. I still don't know exactly what i did but oh well it's working now. Thanks for your help. This is what i was trying to do so now you can see how it wasn't working above.

  • Layer blend mode doesn't show in export

    Hi,
    I am trying to export a composition from After Effects CC, I am using a Multiply blending mode in most of my layers to give it a better look.
    When previewing in after effects it looks as I want it too look but when I add to AME and export it to youtube and vimeo the Multiply blending mode does not work and it shows the composition as if all the layers had NORMAL blending mode.
    How can I fix this?
    Thanks a lot!

    Render a normal Image sequence or Quicktime clip directly from AE and convert it in AME, which would be smarter, anyway.
    Mylenium

Maybe you are looking for