Photoshop :: Convert Blend Modes To An Alpha Channel?
Oct 11, 2008
I found an image of the sun as a PNG file on Google Images. It had an entirely black background, but no alpha, so I decided to use the Screen blend mode and the black surrounding it was effectively removed, making it transparent. However, if I try to export to a PNG, this effect is not exported. I would like to import it into Flash, so it's important that I find a workaround for this soon, or I will need to find a different image of the sun that already has alpha. (I don't have time to create an alpha channel myself.)
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Jun 21, 2012
Is there a way to kill all the blend modes in an illustration and convert them to just plane old fill colors? I'm exporting these things to HTML5 where blend modes aren't supported.
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Jan 7, 2008
im trying to add an alpha layer or alpha channel to a bitmap and save in BMP format.
I am using Photoshop 6.
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Jul 23, 2005
can someone tell me the easiers way to make an alpha tga file? Photoshop 7 can done alpha when i save to tga 32 bits, but in CS we have to do it manually...
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Sep 5, 2013
any difference between alpha layer and alpha channel? I mean has to be right? I just don't know what exactly that would be if there is. I'm trying to figure out some more stable uses for computer graphics when building textures with alpha layer or alpha channels. So far I get a flicker from opengl bug when using alphas. So I'm wondering if I use Alpha layer and something with a solid color underneath the geometry if I could achieve a more stable result where alpha sorting. Possibly clearing it up where my alpha layered geometry stays on top vs bleeding through at times it seems.
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Jun 13, 2012
My blend modes aren't working. If I try to apply a blend mode, no effect.
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Mar 19, 2003
Is there a way we can get like gradients of one layer mode to another. Or from normal to "overlay in a gradient fashion?"
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May 12, 2003
I have photoshop 6.0, trouble with blending 2 images. I wanna know how do I place the texture above the image. So that says that the Texture is Layer 2 and the real image is the backround.
other question.
I have 3 images I wanna create an animation with.
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Apr 29, 2009
Does anyone know the formulas or know of links for the formulas representing the different Photoshop blend modes?
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Sep 10, 2013
I know the shortcut for cycling through a preview of blend modes is to use the Shift keys and the + or - sign. What must I do to consistently get this shortcut to work. Am using CS5.
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Mar 24, 2011
I have a problem with the blend modes. I created a logo and i want to use it on a web page. On the sample picture i have created a random logo to show where my problem lies. The logo has a sunburst behind it which has transparent effects on the outside. Also i have made a big dot behind the logo with a soft brush. I have used blend modes - hard light on the logo and overlay on the white brush.
Now the problem is that i want to flatten the logo and the brush. And keep the background separate from that. The background is a tiled image so it would be better to use it on a web page instead of one flat image. But when i flatten the logo and the brush, then the blend mode effects disappear. I cant use the regular opacity because i want the grain to be shown through the sunburst. Also i cant cut out the image because the sunburst is transparent from the edges. So is there any way to flatten the logo and brush separately from the background and still have the blend mode effects to be shown?
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Apr 14, 2008
I know what the documentation says that they do, but it doesn't appear to be the truth. For example, if I take my image and overlay it with a 50% gray layer set to Luminosity mode, I would expect to see the hue and saturation of my image, with the luminosity of every pixel set to 50%, but that isn't what actually happens.
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Jan 4, 2009
one of my top questions ever about photoshop is where could I found some documentation about the real math equations and algorithms that plays inside blend modes operations?
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Aug 22, 2008
I'm having a huge issue in designing my up and coming website.
I've numerous layers within my soon to be designed page - however, a few of these layers are set to different blend modes (Overlay, Screen and Lighten).
I need to ensure that these layers remain looking the way they do on my page when they're part of my flattened site, but it's just not working for me. When I flatten all layers, it looks as I want it - however I can't do that, as I will ultimately be using a tiled background layer, and the background layer I'm using now is only as a guide.
how I can merge down a ('Screen', for example) layer, without it losing its screen look?
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Mar 14, 2014
Is there a keyboard command to cycle through blend modes?
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Aug 31, 2013
For successive layers, all have different blend modes ... for finding the pixel values seen on screen, we should start with the bottom most layer ... isn't it?
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Oct 5, 2008
problems with the the blend modes in the "stroke" layer style, or am I doing something wrong?
right click on layer > blending options > stroke > blend mode
(position=inside)
I want to use "fill type"="gradient", but the blend modes do not even work with "fill type"=color. For both fill modes, the stroke does not let any pixels of the layer shine through, no matter what blend mode I choose.
I often use blend modes, for example "darken", etc. I know how they work, but somehow for the stroke layer style it seems not to work at all.
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Mar 21, 2012
I've created some graphic artwork in Photoshop RGB, and now its time to output these graphics to an Illustrator CMYK file.
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I have a bunch of layers that I have created for lens flares / light effects and I created these via filling a layer black and then using the Lens Flare Filter and then converting the layer to a Screen layer blend.
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I notice that when I convert to CMYK in photoshop I lose the effect of those screen layers, is there anyway I can get those layers to look the same in CMYK without having recreate them from scratch in the CMYK space?
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In my illustrator file I have a gradient background and was hoping to bring in these transparent lens flare lighting effects to place over the top of the gradient. I was thinking I might be able to merge the layers in Photoshop but unfortunately I need those screen layers to remain transparent.
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I also tried turning the layer to normal 100%, convert to CMYK, placing into my CMYK illustrator file and then changing the layer to screen mode there but its doesnt look the same, its turn transparent like I wanted but it looks like where there is transparency there is a 25% opacity white.
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Jul 10, 2012
It would be nice to have the full set of blend modes available to the AXIS tool in the timeline.
Quite often the most used blend modes for quick color treatments....Overlay, Hard Light and Soft Light etc...are not available in the timeline AXIS soft effect.
Is this a limitation of the soft effect as opposed to using ACTION or say Blend&Comp nodes?
New users would probably not find where the extra layer blend modes where, and may simply think that Smoke lacks these most used blend modes.
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Feb 12, 2004
What's alpha channel & how to use it?
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Apr 30, 2004
what is an alpha channel and how do i access it?
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Jul 28, 2006
I have created two masks with channels to use on an image. Now I want to combine the two channel masks into one to use. I made a new layer in channels of the composite masks which gave me an Alpha channel. The Alpha channels show the solid black paint lines where I filled in the selection voids. These solid lines affected the adjustment layers so I ended up doing some erasing at 50%. Not the shortest workflow direction. How can I combine two channel masks (selections) into a common selection and save as a new Channel?
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Nov 25, 2004
I created an alpha channel with marquee tool on a colored backgound, by using "select > save selection", the alpha channel appeared at the bottom of the channel palette. I know the white part should represents transparency and the black part is opaque. But when I import this into the Adobe premiere6.5, the thing is reversed, I have to use "alpha channel" plus "reverse" option to get what I want - see through the "white" part. I heard there is an option in the photoshop with which you can define whether you want "white" is transparent,black is opaque or vice versa,
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Oct 1, 2005
I have an image that I want to have an alpha channel even though it isn't used at all. Even if I save the image with transparency flag in "Save for web" (as PNG), Photoshop doesn't include the alpha channel with image because it's not been used. Is there a way I can overcome this (other than adding a single transparent pixel to image or using another program)?
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Aug 25, 2013
Well, I'm making a book cover...I have a background on top of which i put a label which will contain the name of the book but will "cut out" through the label to show the background.how would I do this in Illustrator, but with a actual object and a font instead of erasing out of a rectangle on an iPhone.
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Oct 23, 2013
Is there a way to export an alpha channel to apply it to new file?
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Aug 3, 2013
Once I create an alpha channel, how do I edit it? I have tried selecting and clicking the alpha channel, and then using the paintbrush tool. I understand that if I have a white foreground, painting should remove some of the mask, while a black background should result in the painting adding to the mask. But often nothing seems to happen when I paint. Or, at other times, the painting results in paint marks on my image but doesn't affect the "marching ants" and therefore doesn't affect the mask. I have already checked that my K setting in Color is at 0 for white and 100 for black. Using CS5 version 13.0 x64 with Windows 7.Â
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Aug 9, 2013
I can't seem to find a way to edit (or at least delete) the alpha channel of an image with transparency in Photoshop.
Ctrl-clicking the thumbnail of the layer and editing it in the channels tab is not what I mean...
Take a gradient, from Red 100% Opacity to Blue 0% Opacity. After I saved the gradient as a PNG, how can I for example use the levels adjustment on the PNG's alpha channel?
If I open the image in After Effects there is an option to control the alpha channel. That's quite embarrassing if a video software can edit the alpha channel and an image software can't...
I've attached screenshots to demonstrate what I mean.
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Jun 5, 2013
I am trying to select the aplha channel (and make it a selcetion ) by using the command +mouse click but I only get the black selected not the white. So i have to invert selection, which is annoying. Am i missing something? this worked 2 weeks ago and now it has changed.Â
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Feb 16, 2004
I'm developing a tile based game, I have basic ground tiles, and above these tiles can be objects. My game engine supports objects with an alpha channel, where the alpha channel is used for transparency:
alphachannel 0 = completely invisible pixel
alphachannel 255 = opaque pixel
alphachannel between 0 and 255 means the object and the background tile below that are blended, like semi-transparency.
This is useful to give the objects soft edges, and for semi-transparant fire, ghosts, and other nice looking effects. Code:
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Jul 6, 2009
I have an image that I created in Photoshop CS3 with a drop shadow on it and transparency around it. I need to save it as a 32-bit TARGA file with an embedded alpha, so that the transparency and drop shadow work when I bring it into my video editing software, but when I save it out as a 32-bit .tga it doesn't save an alpha with it. I seem to remember Photoshop automatically creating an alpha from your transparency when you save out a 32-bit .tga. What am I doing wrong?
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