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Problem with weird transparency around head


SkyLeone
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Hello, I'm still kinda of new to all of this and am learning. I had my body all setup and then suddenly I noticed this weird transparency around my head hair piece. I've removed everything on my body that I can but it still show up around the hair. Any pointers you can provide would be helpful. thanks in advance.https://www.flickr.com/photos/194821605@N04/shares/Akt9Jt

Edited by SkyLeone
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I think I know what you're talking about - I ran into something like that setting up a new head on an avie recently.

Check your worn eyebrow shape. It's going to look like a little wig icon. Right-click it and choose Edit. In the Style tab, try setting every slider way to the left, down to 0, and then click Save at the top - see if that helps a bit. 

 

 

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23 minutes ago, SkyLeone said:

Hello, I'm still kinda of new to all of this and am learning. I had my body all setup and then suddenly I noticed this weird transparency around my head hair piece. I've removed everything on my body that I can but it still show up around the hair. Any pointers you can provide would be helpful. thanks in advance.https://www.flickr.com/photos/194821605@N04/shares/Akt9Jt

That's an alpha glitch with the hair and there's nothing you can do.about it.(unless the hair is mod)  Someone will come along with the technical aspects of why it hapoens.

ETA.  

 

Edited by Rowan Amore
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15 minutes ago, Ayashe Ninetails said:

I think I know what you're talking about - I ran into something like that setting up a new head on an avie recently.

Check your worn eyebrow shape. It's going to look like a little wig icon. Right-click it and choose Edit. In the Style tab, try setting every slider way to the left, down to 0, and then click Save at the top - see if that helps a bit. 

 

 

I tried this and it didn't work.

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Oh THAT issue, okay I assumed you were still seeing the alpha after taking off the hair, too. I see the updated photo now.

Yeah that problem with alphas surrounding your actual worn hair is difficult to fix. It just works like that sometimes. The only solution would be to try another hairstyle or if the hair is mod, you could try playing with the alpha mode (right-click, edit the hair, Texture tab).

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The alpha in your hair is clashing with the alpha in the shadow on the floor - it's a texture with partial transparency. Aside from switching to hair without alpha (which will inevitably look much worse than the hair you have). The other solution, if you want to take photographs, is to move to another location where there is no conflict. Try to avoid backgrounds containing plants/trees or water as well; they will cause the same issue. 

Aside from photography, it's just something you have to learn to live with, if you want to keep nice hair.

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3 hours ago, Lewis Luminos said:

The alpha in your hair is clashing with the alpha in the shadow on the floor - it's a texture with partial transparency. Aside from switching to hair without alpha (which will inevitably look much worse than the hair you have). The other solution, if you want to take photographs, is to move to another location where there is no conflict. Try to avoid backgrounds containing plants/trees or water as well; they will cause the same issue. 

Aside from photography, it's just something you have to learn to live with, if you want to keep nice hair.

This is the answer.

this glitch is the biggest drawback to alpha hair. The only thing you can really do is angle your shot to where the glitch doesn’t occur or find a background that doesn’t use alphas.

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I think i might have fixed it by basically redoing everything from scratch and i might have hit wear hair instead of add. still not really sure the difference between them but I think somehow i managed to most fix it or at least it wasn't as bad as it was in the picture. thanks for all the help.

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4 hours ago, SkyLeone said:

I think i might have fixed it by basically redoing everything from scratch and i might have hit wear hair instead of add. still not really sure the difference between them but I think somehow i managed to most fix it or at least it wasn't as bad as it was in the picture. thanks for all the help.

Wear instead of add will detach any object already worn on the same attachment point. This is bad news if the creators of your stuff have been lazy and left it all attached to your right hand. Protip, don't use "wear" when you're in a public place or you may well find yourself unexpectedly naked.

It won't have made a difference to the alpha glitch but as @Aiyumei said, sometimes just right-clicking the hair and going into edit mode for a moment will temporarily fix it (until you move). 

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It always takes two separate overlapping textures which each contain some form of transparency to create an alpha sorting glitch. Sometimes the glitch will go away if you increase the distance between the two textures  but all of the suggestions above might help. You could also remove it in post-production with photoshop or some other art program.

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@SkyLeone I think the problem has been pretty well defined. Said in a more technical way... the render engine in the viewer gets confused on how to handle the transparencies. It fills in the hair transparency with the wrong background information.

The fixes are varied but they all do the same thing, they change the order of things in the render engine's process. So... for photography one can often take off the hair and put it back on and for a time the render will work correctly. But, move the camera and the problem may come back. But may be not. No way to know so, we try these things and all the other solutions mentioned.

In some cases you can change the hair's attachment point to change the render order. Make sure the hair attachment is NOT attached to the right hand. Being attached to the default location, right hand, is not always a problem but it often is. The render order for avatar attachments starts at the pelvis and runs out to the the extremities and through the stack of attachments as it gets to each point. As best I can tell the right and left hands are the longest render paths in the avatar.

 

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On 1/17/2022 at 1:45 AM, Charalyne Blackwood said:

If you can, edit the object behind you and set "Alpha Mode" (in the "Texture" tab) to "None"

That would result in the shadow becoming solid black with sharp edges. It would work better to remove the shadow altogether (either delete the prim or turn it 100% transparent) and add any shadows back in afterwards, using a photo editor such as photoshop.

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Actually, if the hair can be edited, the "Alpha Mode" should be set on "Alpha Masking" and in the "mask cutoff" field you should enter any number between 50 and 100. If you let it on 0, you'll get solid black with sharp edges as Lewis said before.

The transparency issue is a bug when two superposed textures (the hair texture and a background texture for instance) are both set on alpha blending.

Edited by Isaac Ashton
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^ This is the solution.

I see that hair halo all the time when my avatars are standing in front of the semi-transparent wall of my sky platform (trees with transparent sky above them). I only need to right click on the background wall to make it disappear.

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