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I recently saw some discussion on povray.text.scene-files (I think!) about
rendering a brain
and someone mentioned the CT and MR scan data at
http://graphics.stanford.edu/data/voldata/.
I got the data and converted them to df3 files (around 7MB each!) and
rendered them as an
emitting medium. The results are quite pretty (and squashed, I got the
scaling wrong!)
This is the CT scan, the MR scan has much more detail and will require more
careful choice
of colourmap to get a clean image.
The 'mouthful of toothpicks' effect is the result of shadowing from the
subjects fillings since this
is an X-Ray image.
Andy
Post a reply to this message
Attachments:
Download 'CTHead.jpg' (34 KB)
Preview of image 'CTHead.jpg'
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What's the render time like? It would be interesting to see an
animation rotating around the head.
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> What's the render time like? It would be interesting to see an
> animation rotating around the head.
Exactly what I was wondering... I bet an animation could look pretty dam
cool...
Oh, and can you do bizzare things like take arbitary slices through this
guys head? (I presume it's a guy that is......)
Andrew.
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From: A J Le Couteur Bisson
Subject: Re: CT Scan rendering [33kB jpg]
Date: 2 Feb 2003 18:38:47
Message: <3e3dac07@news.povray.org>
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"Andrew Coppin" <orp### [at] btinternet com> wrote in message
news:3e3d92df@news.povray.org...
> Oh, and can you do bizzare things like take arbitary slices through this
> guys head? (I presume it's a guy that is......)
Of course, and its a lot less messy than doing it for real I can tell
you...... oops!
Must go now, bye,
Andy
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"Andrew" <ast### [at] hotmailcom> wrote in message
news:3e3d5a85$1@news.povray.org...
> What's the render time like? It would be interesting to see an
> animation rotating around the head.
>
>
I tried a 30 frame animation overnight and I'm completely unimpressed :(
Rotating transparent objects rarely works well and this seems to be a
pathological case of that. Ah well, the still image is reward enough!
Andy
p.s. Andrew, apologies for the spurious email earlier, I still haven't
worked
out the difference between the Reply Group and Reply buttons ; )
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de news: 3e3e472d$1@news.povray.org...
> "Andrew" <ast### [at] hotmailcom> wrote in message
> news:3e3d5a85$1@news.povray.org...
> p.s. Andrew, apologies for the spurious email earlier, I still haven't
> worked
> out the difference between the Reply Group and Reply buttons ; )
Hi :)
Often happened to me as well before I put reply button on the right of
toolbar
Marc
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From: A J Le Couteur Bisson
Subject: Re: CT Scan rendering [33kB jpg]
Date: 3 Feb 2003 09:06:58
Message: <3e3e7782@news.povray.org>
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"Marc Jacquier" <jac### [at] wanadoofr> wrote in message
news:3e3e7078$1@news.povray.org...
>
> Often happened to me as well before I put reply button on the right of
> toolbar
> Marc
>
Doh! That is so blindingly obvious, thanks.
Andy
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