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Community Forums: Home CafePress Community Forums Designer Lounge Image Editing Program Help Outer Glow-not showing correctly on coloured products, help!Page 1 2
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Photoshop CS4
Hi there, I have just uploaded some images with a white outer glow, which shows up fine on the black background in the image basket, but when applied to a dark product the white glow does not show correctly. In fact it shows up as a slight darkening around the edge. here is the design in question http://www.cafepress.com/cp/me...mno=360997779&side=F Does anyone know how to correct this? Thanks Simon |
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Hey Simon,
Your link goes to the sign in page. Log out, find the product and re-link. Thanks, David |=|=|=|=|=|=|=|=|=|=| Original and Off-Beat Designs at The Hype Factory! OMG it's The Hype Factory Blog! |
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moderator |
Glow effects around the edge don't generally work well on dark shirts, because of the way the printing process works.
Dark shirts get a white ink layer printed underneath the design. Glow effects usually use a gradual fade of transparency-- like 100% white fading out to 1% white. The ink doesn't work that way however. Any place that is not 100% transparent gets the white layer, so what you will get when it's actually printed out is a thick band of white around the design. It looks like you might have used a transparency effect inside the dove as well, which would run into the same problems. You should make any gradients from two solid colors rather than from a color to transparent, and you should get much better results. Hope that helps 
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The glow effect will not work on light colors because there is no such thing a white ink. Where ever you have white, it becomes transparent.
http://tutortanith.com/designtips3.htm Basically, as a rule of thumb for the light shirts, if it doesn't print on a printer, on a colored piece of paper, it won't print on light colored shirts. and as far as dark shirts go and as Ophelia said, they may look good on the computer, but they won't come out that way. Anything that has a "fade" effect turns into a "blob" when actually printed. |
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OK, thanks folk, I get that now. I can obviously put the design on solid colours to match the products, but for example with the dark T-shirts there is a range of colours. I can do a separate one for each colour, but I can't see a way where several colour choices of the same shirt can be made with the different logos on, that is why I was trying for transparent so the same design could go on different colours.
Is it necessary to upgrade to the premium shop in order to offer this? |
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moderator |
You can only put one of any given type of shirt in a basic shop. If you wanted to add more than one dark shirt you could either upgrade to a premium, or if you prefer you could open multiple basic shops and put one in each, some people do it that way.
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Many thanks Ophelia, that is an interesting possibility
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I'm using an older version of Photoshop (5.5, I think.) And, I realized that any effects that fall outside of the alpha (transparency) channel will not print on shirts. If you want shadows or glows to show up you have to create them as actual pixel layers and include that information in the alpha channel.
If you want a white glow on a dark shirt: 1- select the area of what you want to glow and copy to a layer behind your design, 2- fill it with white and blur it as far out as you want the glow to show, 3- select your alpha channel and add the transparency for your glow layer to it, 4- resave this *new* selection over the old alpha channel, 5- make the background the same color as the glow, 6- resave your image as a .png with the new alpha channel. Vi-o-la! The falloff of the transparency of the blur should translate into a falloff of the glow. |
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Sadly, no it won't. It will look like a fade, then show a white edge and a sharp cut off. It isn't the way the fade is done, it's the actually way it is printed that doesn't allow it to work right. |
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Hmm... So, CP's image processors won't accept a gradation in an alpha channel? That's less than optimal. I suppose one could fake it with a fine halftone... Maybe.
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Do your designs with glows look right in CP's product display? I have some with a fade off that look fine. I'd hate to think that customers have been ordering them based on that and getting something different.
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They look PERFECT in the product display.....trust me, they don't print that way. I have had some real issues with a few designs. I was lucky that I ordered them and saw the problems before a customer did. They print fine on the light shirts and tiles, mouse pads and so on...just not on the dark shirts cause of the process. Bummer, huh? |
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Yeah, to me the dark shirts are certainly not ready for "prime time". You really have to order a few samples to see how they'll look.
Solid white, IMHO is horrendous. Has a grayish tint. But if you tint it to say... a slight bluish (so the customer knows it's tinted) you get decent results. But, suffice to say, white isn't. And any type of gradiant is a disaster unless the gradiant itself is on a background color and not running off onto the shirt itself. itsmeuluckydevils - wudooeyeno? - donot hunter extraordinaire! - IITYWYBMAD? |
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moderator |
Well in I think general (not just at cafepress) when you design for any given medium, it's good to take the strengths and limits of the medium into account. Work with the medium rather than against it. In the end you might be happier with an intentionally designed solid outline or other effect on dark shirt designs, rather than wrestling it into faking a glow. That being said, it's definitely worth experimenting with things. But remember it's an experiment, so if you do I'd definitely suggest buy yourself a shirt sample with different effects, see what you can get it to do, and how much you like it.
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Topic Closed Community Forums: Home CafePress Community Forums Designer Lounge Image Editing Program Help Outer Glow-not showing correctly on coloured products, help!