Photoshop :: Alpha Layers
Aug 14, 2009
I am currently making a skin for a boat, for a game called virtual skipper. Anyway I am doing this in PS Elements 7.0. I need to add alpha layers/channels to make the sails slightly transparent, or not transparent. I can't seem to find anything that tells you how to do this in Elements. So I assume it is not possible, or no one has done it before. So if anyone can help me with this, please do. I have made an adjustment layer and added white 80% transparent, over the sail layers. But when I save this as .DDS will the white adjustment layer dissapear like an alpha layer and leave semi-transparent sails or will it come out as it looks?
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Mar 9, 2008
did some pixel art for my programming projects and some GIMP stuff for banners and such. Photoshop and have found myself in need of alpha masks.
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Jan 18, 2013
when I added a layer mask to a layer, it would display in the palette as the alpha channel, which was very handy. Now, when I add a layer mask, it only appears as the mask icon; i.e., gray square with white circle in the middle. I have no clue what I did to change from the one to the other, but I would certainly like to get the alpha representation back!
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Sep 29, 2012
I have a text layer over some other layers and when I apply alpha-to-logo I can't see my other layers even though they still exist.
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Sep 23, 2011
Basically just want to make the middle separating line in the following image:
Identical to (same degree of horizontal fadeout into transparency):
I have spent hours on it trying to edit the original layer below the alpha transparency or adding layers, getting nowhere.
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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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Feb 6, 2004
How to save a png file with alpha channel (not transparent)?
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Jun 12, 2009
I want to fade a background texture so that it isn't so bold. In Flash I would do this with the alpha controls, but I Googled alpha for photoshop and it wasn't what I was looking for. I've tried playing with the partially transparent gradient, using mulitple layers, but I'm not getting the desire results.
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Jun 10, 2004
Is there any way to select a bunch of vector points useing an alpha mask?
...direct selection tool .. ? I want to select all the points that are inside the alpha mask and push/drag them with direct selection tool ,
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Oct 16, 2008
I have used an alpha channel to create some quite impressive weathering/scratches on a scratch drawn metallic background. My issue is that this image has been created for use on the internet and I cannot for the life of me find a way to save the image in a web friendly format and retain the scratches. Is there a particular way to merge this image as if I were merging layers to retain the scratches on the final JPEG? It may be something simple as can be but for the life of me it is STUMPING me.
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Apr 23, 2008
I'm having the hardest time trying to get an flv with transparency.
I have a series of numbered photoshop files. Each file contains one partially transparent layer (no mask), and when I open the files as an image sequence, the transparency looks good. However, when I export to FLV with Alpha enabled, my FLV doesn't seem to have an alpha channel.
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Mar 24, 2006
I created alpha masks in "Channels" , when I click "Layers" tab I can see the effect
but when I try to save that image for web I see that mask was not applied.
So my question is:
How do I actually apply the mask created in Alha Channel.
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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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Sep 20, 2002
blending 3D pictures(w/ black blackground) into another 2D picture with alpha channels in that 3D picture. Everytime I try to copy and paste under LOAD Selection, i get the 3D picture stuck with the black background or totally white with no picture when paste onto the 2D picture. I want to paste the 3D picture(minus the black background) to blend into 2D picture.
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Dec 3, 2008
I have an images and I want some part of this image and it is difficult to use marquee tool for that selection. So I want to know about alpha masking. I heard it is for complex selection.
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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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Jul 15, 2005
alpha channels, and how to use them?
how can i apply the alpha channel to the original to get all the green stains out?
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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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Oct 24, 2013
work in broadcast and a new piece of gear prefers png files. I know how to save png's with a transparency, that's not the problem. What I don't know how to do or if it's possible is to save them with a straight or fat alpha. Right now we feather or extend the edges out past the alpha of say a logo and save it as a tif, psd or .tga. That way once it's keyed over video or whatever, the edges look good, no black bad edging.. But switching to png files, how to make a straight or fat alpha since it sees transparency. I mean if I feathered out the edges, a png will see that correct, since there's no alpha?
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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.
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Dec 13, 2012
I have a project that requires a watercolor illustration to merge with a colored (imaged) background, so I need the white of the illustration to drop out. This isn't a Magic Wand, Select Color Range, or any 'selection' issue like that. I need a sophisticated color-to-alpha plugin that will render the white (or any color, I suppose), to transparent. Needs to be Mac compatible... seen some for Windows, but can't use them.
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May 2, 2013
I have a 3d render that has some semi transparent areas (shadows on matte objects) I want to get rid off. In AE a can simple adjust the alpha levels and set everything under 25 to be 0 for example.
In PS the entire alpha channel seems to be out of reach.. it's not in the Channels tab? I can add one but PS fills it with an B&W version of my RGB image.. What trick I'm a missing here?
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Jul 16, 2013
When importing some flat TIFF files from Photoshop CS5 into After Effects CS6, AE asks what kind of alpha channel these images have — straight or premultiplied.
What type of alpha channel does Photoshop use for non-layered TIFFs?
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Mar 29, 2012
I was trying to paste an alpha layer from one psd to another. For some reason, I can't paste into the alpha channel of one specific psd. I can't even drag it from one psd to the other. It works fine on another psd I have.
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Oct 26, 2012
Is there a way to save the alpha channel not premultiplied in a tga as I need straight alpha ... ? While testing I got strange behaviour.... I have 5 bar from white to black with RGB value of 255,191,128,64,0
1) Copy pasting those from rgb to alpha give me some "conversion error"
255191128640255191 and 192128 and 12964 and 650
Opening this in other software will give me
255175105460
2) Copy pasting the red channel to the alpha give me "converted premultiplied" value
255191128640255204149850
opening this in other software will give me
255191128640
I don't think we're the only one that needs to have straight alpha?
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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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