Per
Photoshop Elements
This tutorial was made possible in large part by Robin Sojourner, who I believe was the first on this board to discover that PSE can create alpha channels, even though it does not display them. This has been tested with PSE retail versions 3 & 4.
UPDATE: Special thanks to ArchTX Edo for supplying a necessary addition in Step 3 of the tutorial in order to make it work for PSE version 2.0.
It is unknown at this time if this tutorial will work with version 1.x or with bundled or pre-installed versions.
Paint Shop Pro
I should preface this by saying that I’m a Photoshop user so my PSP tutorials are not as detailed as my Photoshop ones. This will still walk you through what you need to do, but not with quite as much hand-holding as the Photoshop info.
The GIMP
Tutorial coming soon.
Last edited by Chosen Few : 10-27-2006 at 10:53 PM.
This tutorial was made possible in large part by Robin Sojourner, who I believe was the first on this board to discover that PSE can create alpha channels, even though it does not display them. This has been tested with PSE retail versions 3 & 4.
UPDATE: Special thanks to ArchTX Edo for supplying a necessary addition in Step 3 of the tutorial in order to make it work for PSE version 2.0.
It is unknown at this time if this tutorial will work with version 1.x or with bundled or pre-installed versions.
- On the Layers Palette turn off all layers except for the layer that has your bikini on it. (To turn a layer off, click the eyeball symbol to the left of its name.)
- If the bikini layer has any white space around the bikini itself, use the eraser to get rid of the white space. It's very important at this stage that the bikini be on its own layer with nothing else on it.
- On the Layers Palette, ctrl-click the thumbnail for the layer with the bikini on it. The thumbnail is the little picture of the layer directly to the left of the layer's name.
If using PSE 2.0, choose "select layer transparency" from the pop-up menu that appears. If using version 3 or 4, you won't see that menu, so don't worry about it.
This will select everything on the layer. You should see the "marching ants" outlining your bikini now. If there are elements of the bikini on any other layers, hold down shift, and then ctrl-click their respective thumbnails to add them to the selection. Make sure not to include the background or any of the template layers. - On the Select Menu at the top of the screen, go Select -> Save Selection. This will save the selection a newly created alpha channel. Unlike Photoshop, PSE has no channels palette so you can’t actually see the alpha channel, but it is there.
- If you still see the "marching ants" outlining the bikini shape, turn off the selection by clicking Select -> Deselect. For the next step, you'll want nothing selected.
- On the Layers Palette, create a new layer by pressing the button at the bottom right that looks like a square sticker being peeled from its backing. Click on the name of this new layer and drag it underneath the layer with the bikini on it. Paint the new layer 50% gray or darker; black is fine. (The gray/black layer will prevent the white halo sometimes caused when Alphas are created the way we just did it. If you don't know what I mean by that, don't worry about. Just make sure to always put a gray/black layer underneath your work and you'll never have to see that white halo. Alternatively, more advanced users may wish to use one of the better halo-elimination methods discussed in the FAQ, although they may not all be applicable to PSE.)
- Save as 32-bit TGA and upload to SL.
Paint Shop Pro
I should preface this by saying that I’m a Photoshop user so my PSP tutorials are not as detailed as my Photoshop ones. This will still walk you through what you need to do, but not with quite as much hand-holding as the Photoshop info.
- In Photoshop, you can edit channels directly, but in PSP, you have to use a tool called a mask as a proxy for what will in the end become the alpha channel. To create a new mask, go Layers -> New Mask Layer -> Show All. A new layer group will be created, at the top of which will be your new mask layer. Make sure all other layers are in the group and below the mask.
- On the Layers Palette, select the mask layer and make sure the little Mask Overlay Toggle button at the top is turned off. The Mask Overlay Toggle is directly to the right of the Link Toggle. It looks like a tiny picture of a theater mask. When it's off it's gray; when it's on it's red. Just so you know, turning it on can be useful so you can exactly what is happening with the mask itself, but you'll have a more WYSIWYG feel with it turned off.
- At this point, your mask will be all white (no transparency yet). On the mask layer, start painting the areas you want to be invisible black, and you'll see the checkerboard show through in those areas. Any areas you want semi-transparent, paint gray. The darker the gray, the more transparent; the lighter the gray, the more opaque. The areas you want completely opaque just leave white.
- When you're finished, go to Layers -> Load/Save Mask -> Save Mask To Alpha Channel, and then delete the mask (DELETE it, do not merge it) by right clicking on it in the Layers Palette and selecting Delete. If you need to edit the alpha later, go Layers -> Load/Save Mask -> Load Mask From Alpha Channel.
- Create a new layer, and drag the layer set above it, so that the new layer is beneath the set, but not inside it. Paint the new layer 50% gray or darker; black is fine. (The gray/black layer will prevent the white halo sometimes caused when Alphas are created the way we just did it. If you don't know what I mean by that, don't worry about. Just make sure to always put a gray/black layer underneath your work and you'll never have to see that white halo. Alternatively, more advanced users may wish to use one of the better halo-elimination methods discussed in the FAQ, although not all of them will be applicable to PSP.)
- Save your file as a TGA and you should be all set. Unlike Photoshop, PSP offers no option to choose 32-bit at the time of save. If an alpha channel is present in the image, the file automatically will be saved as 32 bit. If there's no alpha channel, the file will save as 24 bit.
Just to be thorough (thanks Jolan Nolan for pointing this out), there is an options button on the save dialog, which does include a bit depth selector, but I recommend leaving it alone. The dialog it calls up is kind of confusing. It allows you to select bit depth of 8, 16, or 24, but not 32. For SL purposes, leave it at 24 at all times (SL can't use 8 or 16). For some reason, the makers of PSP seem to think the extra 8 bits in the alpha channel aren't worth counting out loud, which is really strange, but don't worry; the file will still save correctly with 24 selected. As long as you work in RGB mode at all times, your images will automatically save correctly unless you tell it otherwise. To avoid problems, I recommend never pressing that options button unless you're sure you know what you're doing.
The GIMP
Tutorial coming soon.
Last edited by Chosen Few : 10-27-2006 at 10:53 PM.
Ok...so now I'm going nuts! lol
Anyone have any layman tips they can toss out?
Thanks,
Tami
deleted the mask by right clicking and selecting delete from the palette.


