Textures and alphas

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# 1 16-11-2012 , 03:38 PM

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Join Date: Mar 2011

Location: UK

Posts: 38

Doing a project for Uni, I am trying to build up some foliage in my scene I am using a tif file with an alpha channel, I attached the texture to colour attr but keep this message 'Error: (Mayatomr.Output) : while defining texture "file20:tex": failed to open texture file'

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# 2 16-11-2012 , 06:39 PM

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Join Date: Dec 2006

Location: South FL

Posts: 3,522

MR doesn't like your texture, it may a tiff with an unsupported compression (LZW I think) or maybe just out right corrupted. Trying opening it in an image editor and writing it out again. And restart Maya because I think MR will still have issues unless you flush it.

- Genny
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# 3 16-11-2012 , 07:51 PM

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Join Date: Sep 2002

Location: Plantation, Florida

Posts: 1,568

I never have issues using targa (TGA). Try that.

Dave Baer
Professor of Digital Arts
Digital Media Arts College
Boca Raton, Florida
dbaer@dmac.edu

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# 4 17-11-2012 , 12:18 AM

Technical Director
Join Date: Feb 2004

Posts: 2,988

Sigh... I wish they would just get rid of the tiff "format". Tiff's are really just a container, meaning the internal data in the file has many different standards (or none at all), which makes them a huge pain in production, especially when you're using multiple applications. Use either png or targa.

Imagination is more important than knowledge.

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# 5 17-11-2012 , 01:43 PM

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Join Date: May 2003

Location: London

Posts: 1,001

You will probably want to convert everything to a map texture for mental ray.
Can get scripts off highend3d.

You will want to work with exr and convert to this format.

FX supervisor - double negative

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