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Old 23-05-2006, 01:04 AM   #1
Ahnos
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Default putting a picture on a surface

what is the best way to place a picture onto a surface? Let me explain my problem.

I want to put a picture of a hippocampus (slice of brain) onto a model of a hippocampus that I build. I first made the hippocampus shape out of NURBs (see picture below).

I wanted to put thisl picture just on the top surface of the model.

1) how do I prevent it from wrapping all the way around the whole surface?

2) how do I map a "non -square" image onto a surface. Image is oval without any background in Photoshop, but white backgorund shows up when i import it (like the photo below)


Thanx for any help......here's a picture of what I am trying to make..minus the white outer section
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Last edited by Ahnos : 23-05-2006 at 01:06 AM.
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Old 23-05-2006, 06:17 PM   #2
Falott
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I guess you have to warp yourself around UVmapping soon. itīs not that hard to understand.

to answer your questions. when assigning a shader to an object your file is being wrapped all around the object. you could try to map the file onto some faces only. secondly if you donīt want to have the white background showing up try to map the alpha channel with your "background-image"
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Old 23-05-2006, 06:22 PM   #3
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Default yup

Yes, I started a UV mapping tutorial last night and it is working. Thank-you. I wasn't aware of this option until now. It looked difficult but is proving not so bad, and very useful.

I will try the alpha channel thing next.

Thank-you
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