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Subject: Help With Trans map please see attached pic

rowlando opened this issue on Nov 13, 2007 · 12 posts
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rowlando ( ) posted Tue, 13 November 2007 at 2:14 AM · edited Sat, 30 May 2026 at 6:04 AM

file_393264.jpg

Hi Trying to make this map work, everything is fine, its just how do you prevent the invisible areas becoming visable when rendering, ie they show up as clear plastic, must be a way to over come this.

Rowlando

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vincebagna ( ) posted Tue, 13 November 2007 at 3:09 AM

You have to plug the transmap in the specular node, so the black parts that play the role of mask for the transparency will do the same for the specularity.

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rowlando ( ) posted Tue, 13 November 2007 at 3:49 AM

Hi Vince

Could you show me a pic please on how to set it up.

Rowlando

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vincebagna ( ) posted Tue, 13 November 2007 at 4:15 AM

file_393270.jpg

Here i used a ball with a black and white map as transmap. You can see highlights where it should be transparent.

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vincebagna ( ) posted Tue, 13 November 2007 at 4:17 AM

file_393271.jpg

Now if you plug the same transmap in the specular value, it will play the role of a mask to hide highlights on the transparent parts. If you use the alternate specular node, just plug it in its setting.

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rowlando ( ) posted Tue, 13 November 2007 at 5:12 AM

Hi Vince

Thanks This is my set up but still I get the wrong results the invisiable areas still show up in a closs shine appearance

Thanks Rowlando

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vincebagna ( ) posted Tue, 13 November 2007 at 5:14 AM

So could you post a screenshot of your settings? So i could try to see what is wrong :)

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vincebagna ( ) posted Tue, 13 November 2007 at 5:17 AM

Just a thought:

do you use a reflection map? With a deeper sight it seems like you used one on the first shot. If so, just do the same as above but plug your transmap in the reflection value instead of the specular value.

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rowlando ( ) posted Tue, 13 November 2007 at 5:40 AM

file_393272.jpg

Here are my settings

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vincebagna ( ) posted Tue, 13 November 2007 at 5:46 AM

Ok, i see what it is:

just plug your transmap into the reflection_value, and perhaps into the specular value.
The white parts of the transmap will let the reflection appears, while the black parts will block it.

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rowlando ( ) posted Tue, 13 November 2007 at 6:22 AM

HI Vince

Thanks so much all works fine.

Have a great day or night

Rowlando

Seek what you can never loose

vincebagna ( ) posted Tue, 13 November 2007 at 6:23 AM

Happy you made it works ;D

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