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Entraides et échanges autour de la technologie Scol - Informations and exchanges on the Scol technology

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#1 20-Mar-2012 14:40:27

Alexandre_Brazil
Member
Registered: 8-Dec-2011
Posts: 227

Alpha channel

Hello friends,

I need to apply the alpha channel into a 3D mesh to simulate hair on a dog. I tried all ways and it did not work (see example picture).

Send the link to download the whole scene if you want to do some testing.

[img=dog]www.nossotransito.com.br/dog.jpg[/img]

LINK:
scena

grateful

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#2 20-Mar-2012 15:53:27

Alexandre_Brazil
Member
Registered: 8-Dec-2011
Posts: 227

Re: Alpha channel

I am very interested in this new version features natural marker of augmented reality (markerless). What is the possibility of my receiving a beta version for using and testing go?

thank you

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#3 20-Mar-2012 16:20:03

arkeon
Admin. / Scol language & OpenSpace3D developer
From: Nantes
Registered: 30-Mar-2009
Posts: 5,161
Website

Re: Alpha channel

what exporter do you use ?
try to download my last Ogre Easy Exporter version and use an alpha channel in a png file directly in the diffuse channel
http://www.ogre3d.org/tikiwiki/Easy+Ogre+Exporter

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#4 20-Mar-2012 21:34:03

Alexandre_Brazil
Member
Registered: 8-Dec-2011
Posts: 227

Re: Alpha channel

Already using Easy Ogre Exporter, needed just use a PNG file on channel DIFFUSE.

He's all right now.

Thanks again

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#5 25-Mar-2012 15:30:39

hebdemnobad
Member
From: northamerica
Registered: 20-Apr-2011
Posts: 1,541
Website

Re: Alpha channel

If you  want a shader to do diffuse, normal, specular and alpha, you can use the one I worked on:

http://www.ogre3d.org/tikiwiki/tiki-ind … ef_id=2071

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#6 27-Mar-2012 13:21:12

Alexandre_Brazil
Member
Registered: 8-Dec-2011
Posts: 227

Re: Alpha channel

thanks for the help.

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#7 27-Mar-2012 13:25:04

hebdemnobad
Member
From: northamerica
Registered: 20-Apr-2011
Posts: 1,541
Website

Re: Alpha channel

just keep in mind flipping and rotating the alpha channel image...I have know idea why the shader treats the uv space of the alpha channel differently than the normal, diffuse in specular, but it does.

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